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高级威客
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雇用 vasundhara19
Welcome to Vasundhara Infotech LLP, your trusted tech partner in Flutter & React Native mobile apps, web apps, SaaS platforms, and AI-powered solutions. We help startups and enterprises build scalable, high-performance digital products, from MVPs to full production systems. With 13+ years of experience and 500+...Welcome to Vasundhara Infotech LLP, your trusted tech partner in Flutter & React Native mobile apps, web apps, SaaS platforms, and AI-powered solutions. We help startups and enterprises build scalable, high-performance digital products, from MVPs to full production systems. With 13+ years of experience and 500+ successful projects delivered, we don’t just write code, we build products that scale. Our Core Expertise Mobile & Web App Development • Flutter app development (iOS & Android) • React Native cross-platform apps • Web applications for startups & enterprises • MVP development & full-scale production systems • App Store & Google Play deployment • Performance optimization & scalable architecture SaaS Platform Development • Multi-tenant SaaS applications • Subscription & billing systems (Stripe, Razorpay, PayPal) • Admin dashboards & analytics • Secure authentication & role management • Cloud-ready, scalable SaaS architecture AI-Powered Solutions • AI-integrated mobile & web applications • Chatbots & AI assistants • Recommendation systems & intelligent automation • Machine learning & LLM-based solutions • AI APIs & data-driven insights Tech Stack Expertise Frontend: React.js, Next.js, Angular, Vue.js, Tailwind CSS, Material UI Backend: Node.js, Express, PHP-Laravel, Python-Django Mobile: Flutter, React Native, Swift (iOS), Kotlin (Android) Databases: PostgreSQL, MySQL, MongoDB DevOps & Cloud: AWS, Docker, GitHub, DigitalOcean AI & Automation: LLM-based solutions, RAG, chatbots, N8N Why Clients Choose Us • 13+ years of industry experience • 500+ projects delivered for global clients • Senior team of mobile, SaaS & AI engineers • Clean, scalable & maintainable code • Daily updates, clear communication & long-term support Industries We Serve SaaS & Startups | Education & E-Learning | Healthcare | FinTech | E-commerce | Logistics & Transportation | Hospitality & Booking Platforms | Mobility & Taxi Apps | Fitness & Wellness | AI-driven platforms What You Can Expect • Daily communication & progress updates • Thorough testing & QA • On-time delivery & guaranteed quality • Scalable, maintainable, and future-ready code • Support even after launch Ready to bring your idea to life? Let’s build something amazing together! If you’re looking to build: • A Flutter or React Native mobile app • A web app • A scalable SaaS platform • An AI-powered application • A startup MVP ready to grow Send us a message or invite us to bid. Let’s discuss your idea and turn it into a successful product. 收起 -
雇用 emilesd617
Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an...Hello, I can start immediately and can dedicate to your project full-time, 40+ hrs/week during your working time. I've 8+ years of experiences and specialized in C#, VB, .Net, Devexpress, JavaScript, Node.js, React, Next.js, Mobx, GraphQL, Neo4j, Tailwind CSS, SCSS, GPT, TypeScript, API integration, etc. I'm an excellent English speaker/communicator with good collaboration experience. Looking forward to discussing more details. Best regards. Emile. 收起 -
雇用 juliotrasferetti
I am a dedicated Computer Engineer and Game Developer with over 14 years of professional experience specializing in Unreal Engine technology. My expertise spans the entire evolution of the engine, including 10+ years in UE4 and over 3 years of cutting-edge development in UE5. I pride myself on a workflow built on...I am a dedicated Computer Engineer and Game Developer with over 14 years of professional experience specializing in Unreal Engine technology. My expertise spans the entire evolution of the engine, including 10+ years in UE4 and over 3 years of cutting-edge development in UE5. I pride myself on a workflow built on radical transparency and constant communication. I don’t just write code; I build architectural solutions that ensure your project is scalable, optimized, and delivered on time. Technical Expertise: Engine Mastery: UE5 (Lumen, Nanite, Blueprints/C++), UE4, and Legacy Unreal tech. Engineering: C++, System Architecture, Performance Optimization. Communication: Regular updates, clear documentation, and transparent milestones. 收起 -
雇用 vano101
Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one...Professional software developer with over 25 years of overall experience in software development and maintenance looking for challenge projects fit my skills. Main specialization: • developing Windows Desktop and Web solutions (mainly using C, C++, C#, ASP.NET) • converting/translating/porting code from one programming language to another programming language. • writing wrappers around miscellaneous libraries, packages and SDKs, mainly for using it with other programming languages. • consuming HTTP based APIs, (RESTful APIs, etc) • scraping data from web sites, both with and without Selenium Secondary specialization: • developing Linux and cross-platform solutions and utilities. • scripts/utilities to process Excel spreadsheets • Microsoft Office Automation 收起 -
雇用 Pyyetru
⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script,...⭐⭐⭐⭐⭐ NinjaTrader, MT4/5, TradingView, IBKR, QuantConnect, AI Trading ⭐⭐⭐⭐⭐ I help traders get high-quality results on time without the risk of hiring the wrong developer. I build algorithmic trading bots and strategies for forex, futures, stock, crypto traders using Ninjascript, MQL, Pine Script, Python, Freqtrade, Backtrader, and CCXT. I help independent traders and small funds automate entries/exits, visualize edges, and get instant notifications to catch opportunities faster. I design systems to stay consistent across market regimes, withstand noise, slippage, latency, and partial fills, avoid overfitting, degrade gracefully when assumptions fail, and handle real-world edge cases like weekend gaps, news spikes, and low liquidity. ✅ Trading Platforms • IBKR TWS & IB Gateway API integration (ib_insync) • NT7 / NT8 strategies, indicators, addons • MT4 / MT5 indicators, Expert Advisors, • TradingView Pine Script indicators, strategies, screeners, alert webhook bridge • MultiCharts, QuantTower, Sierra Chart, Thinkorswim, Charles Schwab ✅ Backtesting & Quant Research • QuantConnect, VectorBT, Backtrader strategy backtesting, risk analysis • AI / RL strategy development (SB3, Gymnasium, SAC / PPO / A2C) ✅ Risk Analysis & Risk Management • Pre-trade risk checks (position limits, leverage) • Real-time P&L, drawdown & exposure monitoring with kill switches • Liquidity & execution risk (slippage, widening spread, commission, exchange fee) • Strategy risk validation (overfitting detection, walk-forward testing) ✅ Market Data & APIs • Stock market API integration & subscription cost optimization (IQFeed, DxFeed, Massive, AlphaVantage) ✅ Infrastructure, Observability, Data • Execution Engine • Kafka, Redis • Grafana, Prometheus • Trading performance monitoring dashboards • Time-series databases & tools: QuestDB, InfluxDB, TimescaleDB, ClickHouse, kdb+, ✅ Products & Licensing • Charting applications in C# Avalonia, Next.js • Copy trading tools • Trading product licensing ==================================================================================== "I believe the current trade I am in will be a loser ... a big loser at that." Larry Williams "Throughout all my years of investing I've found that the big money was never made in the buying or the selling. The big money was made in the waiting." Jesse Livermore "Don’t focus on making money, focus on protecting what you have." Paul Tudor Jones "In trading, you have to be defensive and aggressive at the same time. If you are not aggressive, you are not going to make money, and if you are not defensive, you are not going to keep the money." Ray Dalio "Amateurs think about how much money they can make. Professionals think about how much money they could lose." Jack Schwager 收起 -
雇用 sufyand1
My name is Sufyan Asghar, a highly skilled and dedicated Python Developer & DevOps Engineer with a focus on building robust, efficient, and user-friendly applications. With 4+ years of experience, I bring strong expertise in Python, Django, and Linux server management, along with hands-on knowledge in automation,...My name is Sufyan Asghar, a highly skilled and dedicated Python Developer & DevOps Engineer with a focus on building robust, efficient, and user-friendly applications. With 4+ years of experience, I bring strong expertise in Python, Django, and Linux server management, along with hands-on knowledge in automation, cloud deployment, and CI/CD pipelines. I specialize in designing, developing, and maintaining backend solutions and full-stack applications, leveraging deep expertise in database systems, RESTful APIs, and automation to streamline processes, improve scalability, and ensure seamless functionality across projects. Some Highlights of My Expertise: 1: Software Development 2: Developing RESTful APIs using Django & Django Rest Framework (DRF) 3: Implementing secure authentication & authorization (Token-based, OAuth, JWT) 4: Designing efficient database models & optimizing complex queries 5: Integrating third-party services & APIs into Django applications 6: Deploying Django applications to cloud platforms (AWS, DigitalOcean, etc.) Database Management Systems: 1: PostgreSQL 2: MySQL 3: SQLite 4: MongoDB 5: Microsoft SQL Server DevOps & Server Management: 1: Linux server setup & management (Mail, FTP, Samba, File Sharing) 2: Shell scripting & automation 3: Cloud deployment & CI/CD pipelines 4:Server security & performance optimization If you're looking for a reliable Django & Python developer who can also bring DevOps expertise to build scalable, secure, and high-performing applications, I would be thrilled to collaborate with you. Let’s discuss your project requirements and turn your ideas into reality. 收起 -
雇用 martini002
Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software...Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. 收起 -
雇用 Neelumsoft
Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website...Hello Everyone, I am Faisal Manzoor Hussain, professional full stack developer holding experience in website development, desktop development and hybrid application development with proven success. I'm here to help businesses all over the world to grow their online presence through mobile apps and website development services. My target is to help these companies automate their complex business logic. I also hold specialization in developing APIs and integrate almost all sorts of APIs in your application. I also automate business processes to help your business run smoothly. Why should you hire me? Reasons that sound logical in hiring me include ● 99% Completion rate ● Top 3% in Freelancer.com directory ● Lower hourly rate for long term projects ● Life time free bug fixing guarantee Coming to our array of services, I offer my customers with: ● Mobile Responsive Website Design, Development & Optimization. ● Graphics Design & 3D Logo Design & Brand Identity. ● Android App Development (Native & Hybrid) ● Wix Studio, Google Apps Script, SalesForce, Xero, AMP, GSO and Progressive Web Applications Development ● Web Services (JSON, XML, SDK, SOAP, SAML, SSO) ● Website Maintenance (Regular Updates) ● Cloud Formation, JotForm.com, Bubble.io, klaviyo.com Major Web API Integrations are namely- - Google (Maps, Drive, Analytics, My Business, Tag Manager, Gmail) - Payment Gateways (PayPal, Square, Stripe + Connect, PayTM, Skrill, 2Checkout, Paynet, BrainTree). - Shipping Platforms (Fedex, Royal Mail) - SMS Gateway (Twilio, BrainsSMS, Clickatell) - Social (Facebook, Instagram, Twitter, LinkedIn, YouTube, Skype) - AWS, GCP, Big Data, Big Query, AI, and Data Engineering - HealthCare (Stafferlink, Deputy) - Smoobu, Remote lock, MQTT, Web Sockets, - NFC, RFID, Sensors, Fingerprint, and QR processing, Aurdino, Power BI - Blockchain, Smart Contracts, Ethereum, Binance Smart Chain, NFT, Data Mining Tools, MVC and CMS that I'm are compatible working with are: 1. OpenAI, Machine Learning, Chat GPT, Tensorflow 2. Codeigniter, Laravel 3. AngularJS 4. Wix 5. Squarespace 6. Shopify 7. Bootstrap, Foundation 8. Intel XDK Android Application Development 9. Ethr.js Solidity 收起 -
雇用 elqueabandona
# MS Office/VBA expert # Business degree and Master in innovation & technology. # Full or Part-time developer # 400+ projects successfully completed on different platforms About me: ╚ I work every day with Excel: complex formulas, databases, reports, and VBA are everyday for me. I can detect your problem just by...# MS Office/VBA expert # Business degree and Master in innovation & technology. # Full or Part-time developer # 400+ projects successfully completed on different platforms About me: ╚ I work every day with Excel: complex formulas, databases, reports, and VBA are everyday for me. I can detect your problem just by checking your file or talking to you for a few minutes. ╚ I also consider myself a creative person and I use that creativity in each of my projects. ╚ Communication is essential to achieve the goals, that is why I maintain a smooth relationship with my clients. ╚ You can use the "Hire Me" feature to start working with me. You must bear in mind that I will never accept a project before talking about all the essential points (what you need, how you want to achieve it, deadline, etc) ╚ Communication outside this Platform is forbidden by T&Cs, I am a professional. Please don't insist. Skills: ¶ Visual Basic for Applications (macros) ¶ Excel/Open Office/Lotus 123 ¶ Complex formulas ¶ Databases ¶ Dashboards ¶ Reports ¶ Mail Merge /Emails through Outlook-Gmail-others ¶ Arrays ¶ Forecasting 收起 -
雇用 rezajav
I have been developing a CRM for 6 years , described in a video bellow: https://www.youtube.com/watch?v=E5n55zaWKzU I'm Expert in both UI Design and Data Structure at the same time that gave me ability to consider UI when i design data model and also Consider Model when i create UI and handle scenarios Architect...I have been developing a CRM for 6 years , described in a video bellow: https://www.youtube.com/watch?v=E5n55zaWKzU I'm Expert in both UI Design and Data Structure at the same time that gave me ability to consider UI when i design data model and also Consider Model when i create UI and handle scenarios Architect and design very complex Data Structure : Relational tables ,design indexes on big data ,Optimize Index views, Stored procedure, fulltext indexing Server side: I have wrote about 2 million lines of code in C# since 2002 like my own ORM (many times faster than LLBL and NHibernate !) I wrote 5 Articles in Codeproject Client side : I write in pure javascript (I have my own libraries) and C# ASP.Net i developed Websocket, WebRTC, Canvas 2D 3D, three.js, JQuery, JSON, SSL, CSS , write codes that compatible with Chrome , Firefox and IE I can create your project , a super fast web application, Mobile friendly with IOS/Android APP version, all at the same time. 收起
