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    5,000 nosql couch mongo 找到工作

    ...管理采用字节跳动脉冲系统,前沿技术融合集成网易自研Phoenix;引擎(延迟 <50ms)、字节机器学习推荐模型(转化率提升40%),智能运维大脑,制作基 于ELK+Prometheus的自动化监控平台 3. 时间周期:4个月(16周) 4. 团队配置: 客户端开发:5人(每人负责4款玩法) 服务端开发:5人(每人负责4款玩法) 美术设计:2人(每人负责10款游戏的UI设计) 二、开发里程碑 1. 第1-2周:需求分析与技术预研(客户端/服务端规则文档 + 美术风格定稿) 2. 第3-12周:客户端与服务端并行开发(每周提交可测试版本) 3. 第13-14周:联调测试(客户端与服务端对接 + 压力测试) 4. 第15-16周:美术资源整合优化、上线准备(App打包、支付审核) 三、特殊要求 技术规范: 客户端:Cocos引擎(TypeScript),适配iOS; 服务端:Nodejs语言(微服务架构),Mongo+ Redis缓存; 美术:提供PSD/Sketch源文件 + Spine动画。 四、双方权责义务 甲方责任: 1.提供线上管理后台访问权限(合同签订后30日内) 2.提供各个玩法规则细节 3.每2个工作更新工作日报,确认开发进度并签署确认单 4.按合同约定全额托管支付开发费用至freelancer 乙方责任: 1.配置开发团队:5客户端 + 5服务端 + 2美术 2.每日提交代码至字节跳动脉冲系统 3.每2个工作更新工作日报(含进度/问题/解决方案) 4.严格执行阿里Aone流水线代码审查标准 五、违约条款 延期交付: 1.超期7日内:按总金额500元/日支付违约金 2.超期8-15日:按总金额1000元/日支付违约金 3.超期超过15日:甲方有权终止合同并索赔 质量标准: 六、知识产权 1. 全部交付代码及设计成果...

    $262237 Average bid
    $262237 平均报价
    3 个竞标

    ...管理采用字节跳动脉冲系统,前沿技术融合集成网易自研Phoenix;引擎(延迟 <50ms)、字节机器学习推荐模型(转化率提升40%),智能运维大脑,制作基 于ELK+Prometheus的自动化监控平台 3. 时间周期:4个月(16周) 4. 团队配置: 客户端开发:5人(每人负责4款玩法) 服务端开发:5人(每人负责4款玩法) 美术设计:2人(每人负责10款游戏的UI设计) 二、开发里程碑 1. 第1-2周:需求分析与技术预研(客户端/服务端规则文档 + 美术风格定稿) 2. 第3-12周:客户端与服务端并行开发(每周提交可测试版本) 3. 第13-14周:联调测试(客户端与服务端对接 + 压力测试) 4. 第15-16周:美术资源整合优化、上线准备(App打包、支付审核) 三、特殊要求 技术规范: 客户端:Cocos引擎(TypeScript),适配iOS; 服务端:Nodejs语言(微服务架构),Mongo+ Redis缓存; 美术:提供PSD/Sketch源文件 + Spine动画。 四、双方权责义务 甲方责任: 1.提供线上管理后台访问权限(合同签订后30日内) 2.提供各个玩法规则细节 3.每2个工作更新工作日报,确认开发进度并签署确认单 4.按合同约定全额托管支付开发费用至freelancer 乙方责任: 1.配置开发团队:5客户端 + 5服务端 + 2美术 2.每日提交代码至字节跳动脉冲系统 3.每2个工作更新工作日报(含进度/问题/解决方案) 4.严格执行阿里Aone流水线代码审查标准 五、违约条款 延期交付: 1.超期7日内:按总金额500元/日支付违约金 2.超期8-15日:按总金额1000元/日支付违约金 3.超期超过15日:甲方有权终止合同并索赔 六、知识产权 1. 全部交付代码及设计成果归甲方所有 2....

    $195857 Average bid
    $195857 平均报价
    1 个竞标

    ...我们正在寻找一支富有创新精神、技术实力雄厚的开发团队,共同打造一款集AI技术与大数据分析于一体的智慧园区管理平台。该平台旨在通过智能化、数字化的手段,全面升级园区管理效率,提升用户体验,促进园区内商业、生活、安全、税务等多方面的智能化融合。本项目将以Java为开发基础,采用分布式与微服务架构,确保系统的高可用性、可扩展性和灵活性。 项目技术要求: 1. 技术栈: 主要编程语言:Java(包括但不限于Spring Boot、Spring Cloud等框架) 分布式架构:基于Kubernetes或Docker容器化部署,实现服务间的松耦合与高效调度。 微服务架构:将系统拆分为多个独立的服务,如用户服务、支付服务、数据分析服务等,通过API Gateway进行服务间的通信与管理。 数据库:采用MySQL/PostgreSQL等关系型数据库存储结构化数据,结合Redis、MongoDB等NoSQL数据库处理高并发访问与缓存。 消息队列:Kafka/RabbitMQ等,用于解耦系统组件间的依赖,提高系统响应速度和容错性。 大数据处理:Hadoop/Spark等用于海量数据的存储与处理,结合Elasticsearch等实现快速检索与分析。 AI与机器学习:集成TensorFlow/PyTorch等深度学习框架,实现图像识别、自然语言处理等AI功能。 2. 功能需求: AI数字名片:通过人脸识别与AI分析技术,为园区内人员生成个性化的数字名片,支持快速识别与社交互动。 智慧园区:集成物联网(IoT)技术,实时监控园区内环境(如温湿度、空气质量)、能源使用情况及设备状态,实现智能化管理。 智慧商城+跨境电商:搭建在线商城平台,支持商品展示、在线交易、物流跟踪等功能,并融入跨境电商元素,...

    $391714 Average bid
    $391714 平均报价
    1 个竞标

    基本要求: 1、全职 2、每周保证4天以上、每天至少4小时开发 3、自身中文沟通无障碍(不是指用机器翻译软件) 4、懂证券知识优先 开发框架:fastapi 技术栈:dynaconf、confluent-kafka、pytz、croniter、tzlocal、ujson、attrs 数据库:mongo 消息队列:kafka

    $86 / hr Average bid
    $86 / hr 平均报价
    2 个竞标

    ...整个系统是一个移动APP 的服务系统,分为前端online 系统和后端 offline 系统,整体的架构如下图所示: 其中Online 系统中: 1. Mobile APP 服务器提供RESTful WebService API,为移动APP 提供数据 服务,包括:用户验证、数据查询、数据更新等。 2. Web 服务器为一个简单的网站前端服务器,支持一个Mobile APP 的网页 版精简服务。 3. Operation Data Store(ODS)是一个运营数据库,所有的mobile APP 运营相关的数据,包括:用户数据、业务数据等,都存储在该数据库中。 Offline 系统主要提供后端离线的数据分析功能。他同样由三部分组成: 1. 分布式的网络爬虫系统用于爬取指定的站点内容。 2. 数据分析与挖掘系统处理爬取的网页数据,并提取、分析相关的数据, 用于更新ODS 中的业务模型。 3. NoSql 数据库用于存储数据爬取、分析、挖掘中的中间数据和最终结果。

    $313 Average bid
    $313 平均报价
    1 个竞标

    ...you’ll write and review TypeScript on a Node.js back-end (mostly and the occasional API route) while shaping front-end features in React or Angular—the two frameworks our client teams rely on most. A few legacy components still run in Vue, so being comfortable poking around that code base is helpful but not mandatory. Our data layer mixes traditional SQL (PostgreSQL, MySQL) with NoSQL stores (MongoDB, DynamoDB), so you should feel at home optimizing queries, designing schemas, and switching paradigms when the use case demands it. Everything ships through cloud pipelines. Most workloads live on AWS with some enterprise clients anchored in Azure; experience configuring services, tweaking IAM / RBAC, and automating CI/CD in either environment will make you productive...

    $157 / hr Average bid
    $157 / hr 平均报价
    104 个竞标
    MeHerenDigi
    6 天 left

    ...either RESTful APIs or GraphQL endpoints and support complex business logic involving multi-step workflows, configurable access conditions, rule-based executions, and automated state validations. User sessions must be securely managed using JWT or equivalent token-based authentication systems with encrypted sensitive data and protected endpoints. The platform requires a structured relational or NoSQL database capable of managing interconnected entities such as users, digital assets, contacts, role assignments, access configurations, protocol conditions, multimedia files, user states, notifications, verification systems, and execution logs. Relationships between entities are dynamic and configurable by the user through the interface, meaning the database architecture must support...

    $109766 Average bid
    $109766 平均报价
    39 个竞标

    ...Interface utilisateur responsive, design clair et sobre, cohérent sur desktop comme mobile. • Architecture scalable et code bien structuré pour faciliter l’ajout futur d’un système de paiement et d’autres modules. Exigences techniques – React, Redux ou contexte équivalent pour la gestion d’état. – Node.js + Express pour l’API, en REST ou GraphQL selon votre recommandation. – Base de données NoSQL ou SQL au choix, avec migrations et schémas documentés. – Tests unitaires de base et dépôt Git pour suivre les livraisons. Livrables 1. Code source complet. 2. Documentation d’installation et de déploiement. 3. Brève not...

    $3698 Average bid
    $3698 平均报价
    82 个竞标

    ...technologies (e.g., Docker) Manage and maintain servers and infrastructure Collaborate on AI-related projects, including AI agents and integrations Ensure code quality, performance, and security best practices Required Skills & Qualifications: Proficiency in programming (any major language such as Python, JavaScript, etc.) Experience with APIs (RESTful or GraphQL) Strong knowledge of databases (SQL and/or NoSQL) Familiarity with frontend and backend frameworks Experience with containerization and service orchestration Solid understanding of server management and deployment workflows Knowledge of cloud storage systems (e.g., AWS S3 or similar buckets) Experience or strong interest in AI and AI agents Ability to work independently and manage tasks effectively Fluent in English ...

    $3721 Average bid
    $3721 平均报价
    296 个竞标

    ...oportunidades. Deseables a corto plazo (no obligatorios en este sprint, pero quiero que la base técnica los contemple) – Búsqueda filtrada de oportunidades. – Sistema de mensajería interna entre compradores y vendedores. Requisitos técnicos • Código limpio y documentado, idealmente en Node.js, Laravel o framework equivalente que permita desplegar microservicios. • Base de datos relacional o NoSQL optimizada para consultas rápidas. • Frontend responsive (React, Vue o similar). • API REST bien versionada para futuras integraciones. • Control de versiones en Git y despliegue continuo en entorno cloud (AWS, GCP o Azure). Entregables 1. Repositorio con todo el código fuente y...

    $34659 Average bid
    $34659 平均报价
    101 个竞标

    ...two absolutely critical pillars. The system should sustain heavy, spiky traffic without degradation and recover gracefully from failure scenarios. You’ll guide the high-level design (microservices vs. modular monolith, service-to-service communication, fault isolation) and drill down into concrete AWS components such as ALB, ECS / EKS, Lambda, DynamoDB or other NoSQL options, SQS, EventBridge, and appropriate caching layers. A NoSQL data store will back the core domain. I’m expecting you to propose a clean, future-proof schema (or data model) that supports rapid queries at scale, detail read/write patterns, and outline backup, replication, and disaster-recovery strategies. Observability must be woven in from day one: metrics, traces, and logs surfaced through ...

    $415 / hr Average bid
    $415 / hr 平均报价
    84 个竞标
    Flutter App Backend Bug Fix
    5 天 left
    已验证

    Hello Backend developer, we are running app of Flutter where we need work suport from backend developer who expert on Dashboard -React-js Backend -node-js express .js and Mongo . DB . We have few tasks which need to do quickly. We have Flutter app source code where we need to fix some issues which missed by last developer. you must be good on backend so you can communicate with our frontend developer Fluuter expert to work with ... 1. Our app is based on business like where user get learning services by artist musician by booking process lessions and artist teach users via zoom meeting process one on one and more then one users too ... and get paid. In that payment gateway we use stripe where payment split like...when user pay to artist....we also get our 10% commission on...

    $274 Average bid
    $274 平均报价
    37 个竞标

    ...sure the two layers speak to each other securely (JWT or similar). A responsive UI, cross-browser compatibility, and clear code comments are must-haves, as this app will serve both desktop and mobile browsers. Deliverables • Angular front-end with modular components, services, and state management • Node.js API with routing, middleware, and basic authentication • Database schema (SQL or NoSQL—open to your recommendation) seeded with sample data • Setup scripts or Docker files so I can spin the project up locally in one command • A concise README explaining build, test, and deployment steps The first milestone will be the user authentication flow; once that’s solid, we’ll iterate on additional features. Clean Git commits and r...

    $133 / hr Average bid
    $133 / hr 平均报价
    114 个竞标

    ...classic web and cloud-hosted attack surfaces. Key focus areas • Authentication issues: confirm sign-in, session handling and privilege escalation vectors are fully locked down. • Data leakage: verify that Firestore, Cloud Storage buckets and any API endpoints are not exposing sensitive information through misconfigurations or improper access rules. • Injection attacks: test for SQL-like or NoSQL injection, as well as any injection vectors in Cloud Functions or user-supplied inputs. Scope & approach I am open to any methodology—black-, white-, or grey-box—as long as the final deliverables cover the items above and reflect real-world scenarios against a live Firebase deployment. Deliverables 1. Formal penetration-test report detailing met...

    $22014 Average bid
    $22014 平均报价
    32 个竞标

    ...can take ownership of features end-to-end, write clean and maintainable code, and communicate clearly in a remote environment. ## Responsibilities: - Design, develop, and maintain backend services using Node.js, Python, .NET, or Go - Build and integrate RESTful APIs and microservices - Develop modern frontend applications using frameworks like React, Vue, or Angular - Work with databases (SQL/NoSQL) and cloud platforms (AWS, Azure, or GCP) - Contribute to AI/GenAI features such as data pipelines, semantic search, or LLM integrations (if applicable) - Write clean, testable, and well-documented code - Collaborate remotely and provide regular progress updates ## Required Skills: - Strong experience in at least one backend language: Node.js, Python, .NET, or Go - Experience bui...

    $157 / hr Average bid
    $157 / hr 平均报价
    168 个竞标

    ...pull live data where possible and display results instantly on the front end. • Transactional functionality: the site must accept and record payments or transfers securely, with clear audit trails and automated email confirmations. Technical expectations The front end should be responsive and fast; the backend should expose clean APIs, log every critical event, and store data in an SQL or NoSQL database you recommend. Security best practices (encryption, CSRF protection, input sanitisation) are essential. I’m flexible on the tech stack—Laravel, Node, Django, or another modern framework—as long as it’s well-documented and easy to maintain. Deliverables 1. Complete source code for front end and backend 2. Database schema and migration scripts ...

    $1191 Average bid
    $1191 平均报价
    75 个竞标

    ... • Orchestrate multi-step workflow management and actually execute tasks, not just reply with information The agents must live entirely inside n8n, using its native nodes plus any custom node code you create. They will receive a trigger, decide what needs to happen, carry the action out, then hand back clean, structured results. Typical integrations include webhooks, REST/GraphQL APIs, SQL/NoSQL data stores, Google Sheets, and CRMs; if a different connector is more efficient, I’m open to it. Acceptance criteria • Each bot reliably completes its assigned task without manual intervention • Execution logs and error handling are visible in n8n so I can audit every run • Clear documentation—one short README per flow—showing input schema...

    $71 / hr Average bid
    $71 / hr 平均报价
    41 个竞标

    ...instantly. Here is the scope in plain terms: • The bot should handle standard Telegram interactions such as /start, /help, and at least a few custom commands that I will outline once the project begins. • Every meaningful interaction must be written to the database so I can view or analyse it later, and the bot should be able to fetch specific records when prompted. • I’m open to either SQL or NoSQL solutions—advise me on what best suits scalability, low-maintenance hosting, and straightforward backups. • Clear documentation in English is essential so I can deploy the bot on my own server after delivery and tweak basic settings without calling you every time. Once complete, I will test it with real users; if everything works as described&...

    $3486 Average bid
    $3486 平均报价
    103 个竞标

    ...Ensure scalability and performance Handle API integrations or scraping (depending on source availability) Maintain data freshness (scheduled updates or real-time sync) Preferred Skills: Strong experience with APIs and backend development Experience with web scraping and/or third-party API integrations Knowledge of Python / Node.js / Java (any backend stack is fine) Familiarity with databases (SQL/NoSQL) Experience with job boards or similar aggregation systems is a plus Deliverables: Fully functional API/service Clean and well-documented code Basic documentation on how to use and extend the system Additional Details: Please share examples of similar work (if any) Mention your approach (API integration vs scraping) Timeline and cost estimate...

    $3854 Average bid
    $3854 平均报价
    153 个竞标

    ...the narrator's perspective - Mood: Reflective/Thoughtful - Genre: an overlooked scene from The Great Gatsby novel Ideal skills and experience: - Strong illustration skills - Experience with romance and reflective themes - Ability to capture emotional depth in artwork Specific passage from the book: “Inside, the crimson room bloomed with light. Tom and Miss Baker sat at either side of the long couch and she read aloud to him from The Saturday Evening Post - murmurous and uninflected, running together in a soothing tune. The lamp-light, bright on his boots and dull on the autumn-leaf yellow of her hair, glinted along the paper as she turned a page with a flutter of slender muscles in her arms.” This scene has exactly two characters in it. It is early evening. I...

    $635 Average bid
    $635 平均报价
    108 个竞标

    ...frontend architecture - Clean and well-structured backend APIs - AI-powered features integrated into core workflows - Production-ready deployment setup - Maintainable and well-documented codebase Technical Requirements - Strong experience with React and TypeScript - Experience with Node.js (NestJS preferred) - Solid understanding of system design and scalability - Experience with databases (SQL/NoSQL) - Familiarity with Docker, CI/CD, and cloud platforms - Interest or experience in AI/LLM integration Nice to Have - Bachelor’s degree in Computer Science, Software Engineering, or a related field - Experience building AI-enabled or data-driven SaaS platforms - Familiarity with LLM APIs (OpenAI, Anthropic, etc.) and prompt design - Experience with microservices architecture o...

    $157 / hr Average bid
    $157 / hr 平均报价
    286 个竞标
    Image Unblurring
    3 小时 left

    I need a professional to unblur 2 personal images of someone sitting on a couch. I can provide limited images of the person for reference (not blurred) Ideal skills and experience: - Proficiency in photo editing software (e.g., Photoshop, GIMP) - Experience with image sharpening techniques - Attention to detail and ability to enhance image quality Please provide samples of previous work.

    $533 Average bid
    $533 平均报价
    84 个竞标

    ...a back-end architecture that scales gracefully; I’m open to either SQL or NoSQL and would like your guidance on which engine, schema strategy, and indexing approach best fits heavy read/write traffic. On the front end I want an artistic, colourful aesthetic that mirrors the subject matter yet stays responsive and accessible on desktop, tablet, and mobile. Think smooth gallery transitions, bold palette choices, and fluid animations that never compromise load speed. Key functions the first release must deliver: • Rate paintings (1–5 stars, one vote per user) • Comment on each painting with basic moderation tools • Ranking You’ll handle: • Database design and optimisation, plus recommendations on SQL vs NoSQL • REST or Gr...

    $5382 Average bid
    $5382 平均报价
    157 个竞标
    Memora - Herencia
    已经结束 left

    ...responsiveness for desktop, tablet, and mobile, and visual consistency based on a predefined design system. The backend must be structured as an API (REST or GraphQL), responsible for business logic, validations, and execution of system conditions. It must handle entities such as users, digital assets, contacts, protocol configurations, and messages, stored in a properly modeled relational or NoSQL database. The platform must include functional modules such as a dashboard with indicators and quick access, a digital asset and document management system with CRUD operations, categorization, permission handling, and optional integration with external APIs, as well as a guided protocol configuration flow structured in multiple stages (asset selection, activation configuration, rule ...

    $3533 Average bid
    $3533 平均报价
    130 个竞标

    ...QA/testing where required --- ### Basic User Support * Help troubleshoot issues faced by: * Employees * Distributors * Internal users * Improve usability based on real feedback --- ## **Required Skills (MANDATORY)** * Minimum **5+ years experience** * Strong expertise in: * **Python (FastAPI or similar frameworks)** * **React (modern hooks-based architecture)** * **MongoDB (NoSQL document design)** * Experience with: * REST APIs * Debugging complex systems * Ability to work with **AI-generated code and refine it** --- ## **Preferred Skills (HIGHLY VALUABLE)** * Experience with: * OpenAI / Gemini APIs * Document processing / OCR workflows * Understanding of: * Role-based access systems * Workflow-driven applications * Experience with: * Nes...

    $5176 Average bid
    $5176 平均报价
    56 个竞标

    I’m building an online m... • An intuitive dashboard for me (the admin) to approve profiles, moderate content and pull basic analytics. • Responsive design across mobile and desktop, plus clean, maintainable code ready for future feature drops like escrow payments or integrated analytics. Tech stack is your call—as long as you choose modern, widely supported tools (React / Vue / Next, Node / Django / Laravel, SQL or NoSQL, AWS / GCP etc.) and document setup clearly so another dev can jump in later. Acceptance criteria: a deployed, production-ready site running on my domain, source code in a private repo, concise setup docs and a short walkthrough video showing the main flows (sign-up, search, chat, create campaign). If this sounds like a fit, let’s ...

    $494 Average bid
    $494 平均报价
    22 个竞标

    ...for end-to-end architecture, from UI patterns to microservices and cloud deployment. ### 3. Core Technical Stack Organize your requirements into logical categories so experts can quickly see if they fit. * **Backend & Cloud:** Java/J2EE, Spring, Hibernate, Oracle DB, and Microservices. * **Infrastructure:** Expertise in ECS, Kubernetes, and OpenShift. * **Data & Performance:** Elastic Search, NoSQL, Caching solutions, and performance tuning. * **Frontend (UI):** JavaScript (ES2015+), Angular, Micro Frontend patterns, and NX. * **Security:** Strong focus on Authentication and Authorization protocols. ### 4. Preferred "Bonus" Skills Highlight these separately to ensure you don't filter out great candidates who might lack one minor niche tool. * **Design:*...

    $63 / hr Average bid
    $63 / hr 平均报价
    76 个竞标

    I have the brand, product data, and a clear set of user journeys mapped out; now I need a production-ready e-commerce site built with the tools I already rely on daily—React (TypeScript), Node.js, SQL/NoSQL, AWS, and Tailwind CSS. Here’s the heart of the job: • A responsive storefront that loads fast, scales cleanly, and feels native on mobile and desktop. • A shopping cart that persists across sessions and recalculates totals accurately. • Secure checkout wired to a mainstream payment gateway (Stripe or PayPal—open to your recommendation). • Product pages that let customers leave ratings and written reviews, with a simple moderation flow. • A lightweight admin dashboard for inventory, order, and review management. Acceptan...

    $57794 Average bid
    $57794 平均报价
    57 个竞标

    I’m developing a social party quiz that lets two teams—or several individual players—pass a single Android phone or tablet around the room and battle it out without any internet connection. Picture friends at a café, a family on the couch, or students in a dorm all huddled over one device, buzzing in for bragging rights. Core gameplay • Local-only, hot-seat style play on Android. • A scoreboard that tracks team or player points as we go. • Questions are answered by typing a direct response on the screen; the app then checks accuracy instantly and awards points. I’m open to layering in multiple-choice or true/false later, but typed answers are the priority for v1. • A simple way for me to update or bulk-import fresh question...

    $8900 Average bid
    $8900 平均报价
    139 个竞标

    ...are non-negotiable. You must have hands-on experience or strong willingness to learn within the first 30 days. Additional Technical Requirements React: Modern component architecture, hooks, state management Node.js: Backend development, API design, server-side logic Python: Scrip ng, automation, data processing, AI integrations Database Systems: PostgreSQL, MongoDB, or similar (SQL and/or NoSQL proficiency) Version Control: Git/GitHub workflows, branching strategies, code reviews Nice to have: RFID/wearable technology integration experience Experience working with government/military sector clients UI/UX design sensibility CI/CD pipeline setup (GitHub Ac ons, Jenkins, etc.) Side Note This is a permanent work-from-home role under an Independent Contractor arrangement...

    $3886 Average bid
    $3886 平均报价
    255 个竞标

    ...sound experience with Single Page Applications, API integration (REST/RPC), as well as a good understanding of accessible and user-centered UI/UX concepts. In close cooperation with our team, you will develop high-performance frontends, participate in architectural decisions, and ensure high code quality through code reviews and best practices. Ideally, you also have experience with databases (SQL/NoSQL), design systems, and agile working methods. Please provide the following: We are seeking a highly professional designer. Please share your top 3 relevant work samples that specifically align with this project. We prefer direct portfolio links that allow us to accurately evaluate the quality of your design work. We value applicants who provide links that showcase their unique de...

    $157 / hr Average bid
    $157 / hr 平均报价
    239 个竞标

    Looking for a hands-on Tech Lead to drive an AI-driven modernization pilot. You’ll work across architecture, legacy s...Code / ChatGPT Experience: Generating production code using AI Using AI for debugging / refactoring Creating test cases via AI Comfortable reviewing and validating AI-generated code Tools / Stack (Expected Exposure) Backend: Java / .NET / Node.js APIs: REST / GraphQL Cloud: AWS / Azure DevOps: GitHub / GitLab / Jenkins Observability: Datadog / ELK / Prometheus / Grafana Databases: SQL (strong), NoSQL What Stands Out (Real Signals) You’ve used AI to speed up delivery in real projects You’ve worked on messy legacy systems (stored procedures, monoliths) You’ve shipped something using AI-assisted workflows end-to-end... No companies and only ind...

    $15841 Average bid
    $15841 平均报价
    54 个竞标

    ...And the Zoom one on one group sessions all of it. 6. Make sure when you sign up for Zinkly app ...terms of service should come up. We will share Source code to interested developer to work. Once you completed the job perfectly. You need to publish the updated version and live on app store. Our testing person also checks work. Flutter Dashboard -React-js Backend -node-js express .js and Mongo . DB Budget 1000 Rs. Thank you....

    $94 Average bid
    $94 平均报价
    13 个竞标

    I'm seeking an experienced Python developer to help with data analysis and automate data scraping tasks. Key Requirements: - Develop Python scripts for data analysis. - Automate data scraping from websites. - Deliver clean, structured datasets for analysis. Ideal Skills: - Proficiency in Python,...Develop Python scripts for data analysis. - Automate data scraping from websites. - Deliver clean, structured datasets for analysis. Ideal Skills: - Proficiency in Python, especially for data manipulation. - Experience with libraries like BeautifulSoup, Scrapy, or Selenium. - Strong background in data analysis, preferably with Pandas or NumPy. - Familiarity with data storage solutions (e.g., SQL, NoSQL). Looking for someone who can write efficient, reliable scripts and has a keen ...

    $4278 Average bid
    $4278 平均报价
    88 个竞标

    I need a robust, high-performance automation to...must scrape the account dashboard to identify if it is a Corporate (Enterprise) or Individual account. Requirements: Efficiency & Speed: Use of Python (Asyncio/Aiohttp), Node.js, or Go is preferred for high-concurrency. Proxy Support: Since we are checking 300k accounts, the tool must support HTTP/SOCKS5 proxies (with rotation) to avoid IP bans. Database Management: Ability to handle large SQL/NoSQL exports and merge results without data loss. Error Handling: Robust "retry" logic for timed-out connections or portal glitches. Deliverables: A high-speed verification engine. A clean, de-duplicated final database/report with Status (Live/Dead) and Type (Corporate/Individual). Source code with instructions on how to m...

    $3706 Average bid
    $3706 平均报价
    122 个竞标

    ...And the Zoom one on one group sessions all of it. 6. Make sure when you sign up for Zinkly app ...terms of service should come up. We will share Source code to interested developer to work. Once you completed the job perfectly. You need to publish the updated version and live on app store. Our testing person also checks work. Flutter Dashboard -React-js Backend -node-js express .js    and Mongo . DB Budget 1000 Rs. Thank you....

    $102 Average bid
    $102 平均报价
    19 个竞标

    Busco un programador a tiempo completo especializado en desarrollo de software a me... • Portal de autoservicio donde el cliente consulte datos, descargue documentos y siga el estado de sus solicitudes. El puesto abarca desde la arquitectura y elección de stack hasta programación, pruebas automatizadas, despliegue continuo en la nube y mantenimiento evolutivo. Valoro experiencia con frameworks modernos (Node.js, Laravel, Django, React, Vue, etc.), bases de datos relacionales y NoSQL, APIs REST/GraphQL y WebSocket. Entrego acceso a repositorio Git y entorno staging; espero código limpio y documentado, pruebas unitarias y trabajo organizado con metodología ágil. Indícame tu disponibilidad inmediata, herramientas preferidas y ejemplos de...

    $3698 Average bid
    $3698 平均报价
    126 个竞标

    ... Design and implement real-time (Kafka, Spark/Flink) and batch (Airflow, Spark) pipelines for high-throughput data ingestion, processing, and transformation. · Develop data models and manage data lakes and warehouses (Delta Lake, Iceberg, etc) to support both analytical and ML workloads. · Integrate data from diverse sources: IoT sensors, databases (SQL/NoSQL), REST APIs, and flat files. · Ensure pipeline scalability, observability, and data quality through monitoring, alerting, validation, and lineage tracking. · Collaborate with AI/ML teams to provision clean and ML-ready datasets for training and inference. · Deploy, optimize, and manage pipelines and dat...

    $249851 Average bid
    $249851 平均报价
    2 个竞标

    I run a fitness studio and I’m looking for a skilled social-media wordsmith to craft professional, polished Instagram captions that turn scrollers into members. The voice has to be clean and confident—no slang, no fluff—yet still feel motivating enough to push someone off the couch and into our gym. What I need: • A short batch of ready-to-post captions tailored specifically to the gym industry • Each caption should be concise, engagement-driven, and formatted with a clear call-to-action and relevant fitness hashtags • Copy must stay consistent with our brand guidelines: professional tone, accurate terminology, positive energy • All work delivered punctually in an editable document (Google Docs or Word) so my team can schedule them inside...

    $94 Average bid
    $94 平均报价
    31 个竞标

    ...components. The core of the site is a large product database, so performance and usability are critical. Scope of work • Design a modern, sleek, fully responsive interface that feels effortless on desktop, tablet and mobile. • Build a back-end structure capable of storing and serving about one hundred thousand SKUs without lag. A relational database is fine if it scales well; if you prefer NoSQL or a hybrid approach, explain your reasoning. • Implement advanced search and filtering so visitors can pinpoint parts by dimensions, material, tolerance, finish, or any other attribute we load. • Provide detailed product categorization (multi-level taxonomy, breadcrumb navigation, and clear URLs) so users never feel lost. Tech flexibility I am open to Re...

    $4199 Average bid
    $4199 平均报价
    311 个竞标

    ...in Node.js (event loop, async patterns, performance tuning) Advanced experience with (SSR, ISR, routing, optimization) Experience handling large-scale SaaS platforms (multi-tenant systems preferred) Solid understanding of system design, microservices, and distributed systems Experience with video streaming/CDN platforms (Bunny Stream or similar) Proficiency in database optimization (SQL/NoSQL) Familiarity with caching layers (Redis or equivalent) Strong debugging and profiling skills Experience with DevOps practices (CI/CD, Docker, cloud environments) Nice to Have Prior experience auditing or rescuing poorly structured large codebases Knowledge of edge computing/CDN optimization Experience with observability tools (Datadog, Grafana, etc.) Candidate Profile:- Based in Chandig...

    $39 / hr Average bid
    $39 / hr 平均报价
    26 个竞标
    iOS Build & Support Help
    已经结束 left

    Special Note : Only apply and placed your bid if you agree with our budget and work process .Dont ask any more budget . Do not waste both side time please. We are Looking for IOS developer to do...again you get updated source code to generate the Build. Same process going on till work completed by our developer. 4. Once all done...you need to upload both versions IOS and androd on Appstore and playstore. 5. You need to push source code of app on GIT and linked with store. 6. You need to upload source code on Hostinger server which we are using VPS. 7. You need to keep download database from Mongo database accesss. means you can download database and share backup file for us. Only apply if you agree with our budget and work process .Dont ask any more budget . Budget is 601 Rs. ...

    $102 Average bid
    $102 平均报价
    11 个竞标

    Job Overview: We are seeking a highly skilled Senior ERP Developer with 5+ years of experience to design and build robust, scalable ERP solutions tailored for the manufacturing industry. The ideal candidate will have strong expertise in modern web technologies including React.js, Node.js, and NestJS, along with hands-on experience in both relational (SQL) and NoSQL (MongoDB) databases. In this role, you will be responsible for developing and enhancing ERP modules, contributing to system architecture, and ensuring high performance and reliability of applications. You will work closely with cross-functional teams to translate business requirements into technical solutions, with a strong focus on manufacturing workflows and enterprise-grade systems. Experience with cloud platforms such...

    $2867 Average bid
    $2867 平均报价
    68 个竞标

    ...turnaround once assets are provided. • Links to any similar work demonstrating real-time object detection or automated video generation. Final deliverable: one fully functional demo video that proves the end-to-end automation works, plus any scripts or tools you build so I can replicate the process for future events. LOOK AT THE EXAMPLE. We need more sports and instead of the family sitting on the couch, we need then the Athlete looking to his phone and see himself there and him pushing then the video to social channels best etc......

    $274 Average bid
    $274 平均报价
    18 个竞标

    ...next three months to hunt down the root causes and redesign the platform so it scales smoothly. You’ll collaborate directly with me and two in-house developers; we work on GitHub, communicate over Slack, and deploy through a basic CI pipeline that will probably need tightening as part of this project. Key objectives 1. Diagnose and eliminate the freeze: trace blocking operations, long-running Mongo queries, memory leaks, or event-loop starvation. 2. Re-architect for scale: propose and implement a more resilient design—whether that means service decomposition, queueing, load balancing, horizontal sharding, or smarter caching. 3. Harden the codebase: add automated tests, performance monitoring, logging, and graceful-degradation fallbacks. Acceptance criteria ...

    $2076 Average bid
    $2076 平均报价
    61 个竞标

    ...the data layer designed around a hybrid model—relational tables for structured, transactional data alongside a NoSQL store for high-volume or schemaless collections—so familiarity with both SQL (PostgreSQL or MySQL) and something like MongoDB, DynamoDB, or Firestore is essential. I already have product requirements mapped out; what I need from you is: • A scalable architecture diagram showing tenancy isolation, shared services, and CI/CD flow • Implementation of the core multi-tenant framework (user provisioning, tenant onboarding, permission engine, billing hooks) • Database schemas and migration scripts for the SQL side, plus collections and indexing strategy for the NoSQL side • Containerised deployment (Docker / Kubernetes or sim...

    $2256 Average bid
    $2256 平均报价
    169 个竞标

    ...accents). I want to maximize the "loft" feel by hacking internal walls to create an open-concept "Great Room." Scope of Work: Space Planning (2D): * Optimize the Living/Dining area after hacking "Bedroom 3" to create a massive lounge. Plan an expanded Master Suite after hacking the wall to "Bedroom 2." 3D Visualization (3-5 Renders): The "Mega Lounge": Visualization of a large, distributed modular couch setup in a long, narrow living room (approx. 3.6m width). The Master Suite: Visualization of a combined bedroom/wardrobe/bistro-nook area. Details: Must show a "dark shadow line" floor transition where walls were hacked. Furniture Scaling: Provide advice on dimensions for modular sofa pieces and a "transformer" ...

    $2805 Average bid
    $2805 平均报价
    51 个竞标

    ...project-style gallery or dashboard that showcases trading instruments in real time, and a Contact form so users can reach support without leaving the page. The front end has to be modern, fast and responsive—React, Vue, Svelte or a similar framework is fine as long as it renders smoothly on desktop and mobile browsers. For the back end, I lean toward Node.js/Express or Python/Django with a SQL or NoSQL database to store user profiles, order history and configuration data. Real-time market quotes should stream through WebSockets from a third-party API, and every sensitive request must pass through HTTPS with the usual encryption, rate-limiting and input validation in place. I will consider the job complete when the source code is delivered, runs error-free on my VPS an...

    $2905 Average bid
    加急
    $2905 平均报价
    56 个竞标

    We are Looking for IOS developer to do our tasks. 1. You need to apple machine to work. 2. You need to generate IOS Build by using our Flutter app Source code. 3. You Need to share IOS Build to our testing person to test the app. Once test done ..Our develope...you get updated source code to generate the Build. Same process going on till work completed by our developer. 4. Once all done...you need to upload both versions IOS and androd on Appstore and playstore. 5. You need to add source code of app on GIT and linked with store. 6. You need to upload source code on Hostinger server which us VPS using services. 7. You need to keep download database from Mongo database accesss. Only apply if you agree with our budget and work process .Dont ask any more budget . Budget is 601 Rs. ...

    $47 Average bid
    $47 平均报价
    13 个竞标

    ...Resistance: Assess the difficulty of reverse-engineering the application. 2. API / Server-Side Testing: API Endpoint Discovery and Mapping: Identify all API endpoints used by the mobile application. Authentication & Authorization Flaws: Test for broken object-level authorization (BOLA/IDOR), broken function-level authorization, and other access control issues. Injection Attacks: Test for SQL Injection, NoSQL Injection, Command Injection, etc., on all API endpoints that accept user input. Sensitive Data Exposure: Ensure APIs are not leaking sensitive user or system information. Security Misconfiguration: Check for insecure server configurations, verbose error messages, and other misconfigurations. Mass Assignment: Test for vulnerabilities where an attacker can modify object p...

    $8986 Average bid
    $8986 平均报价
    27 个竞标