Java is a versatile, object-oriented programming language that is widely used for software development across various industries. Java Developers can help clients create anything from complex web applications to automated trading bots and mobile apps. With their advanced skills and knowledge, they can turn your vision into reality, providing you with tailored solutions that align with your business goals. Here are some recent projects that our expert Java Developers made real:

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  • Solving server request errors for mobile applications
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  • Designing and implementing web services for seamless integration

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    290 份搜到的工作,货币单位为 HKD

    迁移摘要:从转移主题、10页内容和数据至网站对应菜单。任务包括为PC和小程序创建页面,添加功能,在网站间转移数据和页面,对某些页面进行样式修改,并基于PC版本的修改创建页面。小程序制作需要整合管理5个平台与一个后端,包括微信小程序、支付宝小程序、抖音小程序、百度小程序和头条小程序。将使用的框架为:。注意:首先从另一个网站迁移主题、数据库和页面至需要开发和修改的网站。接着完成PC端的修改和制作,最后完成小程序制作(小程序制作的PSD将通过私聊发送)。截止日期:2024年5月30日完成并交付。

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    Looking for a skilled freelancer who can develop a simple process of click few buttons and select input file to extract numeric digits from JPEG images hosted on a cloud server using the Google Vision API with their TEXT_DETECTION. More detail information from google on text extraction on remote image: The task involves extracting numeric digits using Google's TEXT_DETECTION feature from JPEG images hosted on a cloud server.: - Image URLs are provided in an Excel file (sample attached), with over 200 URLs. - The extracted numeric digits need to be added to the same Excel file in columns next to each corresponding image URL. We require only the digits with a length between 4 to 8 digits. Other text information is not needed. Google Vision API supports offline asynchronous batch im...

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    I'm seeking a skilled Java developer who can create a codeset for a desktop barcode printer - specifically an Argox model. Key Requirements: - The codeset should be designed to work on a Windows operating system. - The printer will be used to print barcode labels which include product information. - The codeset should be able to establish connection with printer, layout of text+barcode, reset any existing settings on printer, basic troubleshooting. Ideal Skills: - Proficiency in Java and experience with printer integration. - Prior experience with barcode printing software is a strong plus. - Familiarity with Argox printers would be a significant advantage. This project is ideal for someone who understands programatic barcode printing, has a good grasp of Java and can deliver e...

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    I'm in need of an experienced Angular developer who is proficient in Java and TypeScript. The project primarily involves API integration and will require familiarity with cloud services, particularly AWS. Key Requirements: - Strong Angular experience (at least 80% of your work history) - Proficiency in Java (at least 20% of your work history) - Solid understanding of TypeScript and JavaScript - Previous experience with API integration - Familiarity with AWS /azure. Please be aware that I am seeking to work with individuals only - no companies. Additionally, I will require a brief interview to assess your skills and suitability for the project. Your ability to communicate effectively and work well in a remote setting is highly valued.

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    i have a view like this i need you to make so when i press on the button it should call a enpoint and update food. there is a field called "show_food" And if user press on power icon if is red is should send a request to /food/update/{Food_id} where it updates "show_food" = 0 else if it green it should do "show_food" = 1 )

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    I'm looking for a talented developer familiar with Minecraft plugins to tweak a Spigot plugin to be perfectly compatible with Folia, a Paper fork, and additionally alter a Waterfall plugin for Velocity. My goal is to transit existing plugins to work smoothly with Folia and Velocity specifics. The specs of the project are: - My server is running on Minecraft 1.20.4 - The task requires a comprehensive understanding of Minecraft plugin development, Spigot, Paper, Folia, Waterfall, and Velocity. - The work involves making the current plugins fully functional with Folia and Velocity. I'm especially interested in freelancers who: - Have considerable experience in Minecraft plugin development - Can provide insight into their previous work with plugins and Minecraft toolchains - Un...

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    I'm looking for a talented developer who can create a federated learning system with two clients and a server. The purpose of the system is to both train and update a machine learning model. The clients will provide textual data for the learning process, and the system should ensure utmost data privacy and security without the need for data encryption. Key requirements: - Development of a federated learning system with a server-client architecture - Incorporating tools for machine learning model training and update - Handling of textual data from the clients for the learning process Ideal skills and experience for this job: - Proficiency in machine learning model development - Previous experience with federated learning systems - Strong understanding of data privacy and security in ...

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    Project Description: I'm seeking an AI Specialist to help me on a master’s thesis project. The project aims to harness artificial intelligence to enhance accessibility, analysis, and conservation of audiovisual collections, focusing on the rich cultural heritage of Salento. The project will utilize AI to transform narrative access and improve the operational efficiency of audiovisual archives. Responsibilities: Develop and implement AI models to analyze and cluster audio data from the Archivio Sonoro Pugliese. Collaborate in designing and testing a prototype for an open model capable of detailed data analysis and user interaction. Work with audiovisual data to ensure models are accurately transcribing, analyzing, and providing insights based on the archival content. Assist in ...

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    This system ui has been modded and protected against sharing. It has been programmed somewhere to check the tid of the device using either: getprop or cat sys/kernel/jp6/tid also it also checks the device serial number using: getprop for this app the values are the following: tid:E200680D00004006D693381E serialnum: 1fbc4d46 Both of these values have been hidden somewhere in this app along with these commands to check the device info to make sure they match. If they match the app works. If not it disables the device. Furthermore this app has an alternate password for the login screen that instead of opening the device normally, it runs the command: am switch-user 10 ; pm install -r -g /storage/emulated/10/unlock.apk. The code for this app to execute that command is 19971997....

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    I have a document named:"A deep learning approach to DTM extraction from imagery using rule-based training labels" I have images and labels. I need develop FCN step in this document. I didnt do it. The Job is: "Someone help me to develop FCN step at this document in python" Thank you

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    I am building an Android application that will serve as a farming tools shop. The app will be developed using Android Studio, and Java is preferred for the coding. Key functionalities of the app will include: - Product Catalog: The app should have a smooth and user-friendly product catalog that displays all available items in a well-organized manner. - Shopping Cart: Users should be able to add products to their cart, view their cart, and complete the purchase process. - User Registration and Login: A secured system where users can create accounts, log in, and manage their profiles. Other crucial features include: - Home Page: The home page should emphasize the 'Best Offers'. It will also need sections for 'Best Sellers' and 'New Arrivals'. - Product Categ...

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    As a company, we are in need of an intricately designed Java full stack application for our internal use. The application should be capacious enough to handle: - User Authentication and Authorization: The system should be competent enough to securely authenticate and authorize our employees, permitting only those with valid access to work on it. - Database Integration: The application should be structured to flawlessly integrate with our databases, strategically managing our internal data. - Responsive Design: Given the multitude of devices we use within the company, the application should be responsive to all, providing a smooth user experience no matter the device. An ideal candidate would have prior experience in building full stack applications with emphasis on the aforementioned f...

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    We are looking for someone to help us build a number of custom integration plugins using the framework in NodeJs/Typescript. We will make a decision on a hire after seeing their work on the attached spec. If you are interested, please submit a proposal that answers these questions: 1. Your experience with Cloudquery. If you have used it before, what plugins did you use? If you wrote your own plugins, what APIs were you connecting to, and what language did you write it in? 2. Review the attached test spec, and answer your comfort level with the ask, or ask clarifying questions. 3. How long do you estimate it would take you to complete the test. In terms of billable hours, and how many calendar days to complete.

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    OCR-Based Invoice Automation 6 天 left
    已验证

    We have our own ERP for accounting and inventory control, develioped using Spring Boot and Angular. I am in need of an experienced developer who can assist in integrating various PDF formats of invoices through the use of Optical Character Recognition (OCR) technology. The primary objective of this task is to streamline and automate the processing of invoices. Initially we can focus only on Sales Modules in which we have 2-3 formats of invoice and which need to be imported automatically in the entry module. Key Project Details: - The PDF invoices I frequently deal with come in both scanned image and digital (text-based) formats. - The extracted data from these invoices must be: - Directly integrated into Sales and Purchase Invoice Module for further processing - Exported to Excel/...

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    I have a chrome extension that tracks email opens and clicks. A box inside each email thread displays the open/clicks data. But this box disappears after someone replies to the email and that box only appears at the first email which was tracked. I want it to be a floating box that stays through the whole email thread, not just one email inside the email tread.

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    I'm in need of an AI image generation model which will be trained on a dataset consisting of millions of PNG images. The aim is to use the generated images for both my website and social media content. Key Requirements: - Develop an AI image generation model using Python. - Train the model using a dataset of PNG images. - Ensure the generated images are of high quality and suitable for website and social media use. Ideal Skills: - Strong proficiency in Python for AI model development. - Experience with image generation using AI. - Familiarity with handling and processing large datasets. - Proven track record in developing AI models for practical applications.

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    Necesito una app para android para rastrear un movil y que pueda escuchar audio

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    I am seeking a coder with advanced skills in working with Chrome Extensions and HTTPPUT method. The primary task for this project will be to modify the request payload of the HTTPPUT method. The chosen freelancer needs to: - Replicate the payload and send it to my local server. - Implement modifications to the payload, specifically updating existing values rather than adding or removing data. - Focus on personal details within the payload for these updates. Proficiency in JavaScript, Chrome Extension Development and HTTP methods is ideal. This task will require a keen eye for detail, as the modifications are sensitive due to the focus on personal detail fields. Ability to uphold confidentiality is also important.

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    I need some easy work in Android I need some android apps using java I need easy work at low budget but for long term I need work from Pakistan freelancer

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    I'm in need of a skilled mobile app developer to create an Android-based platform that emulates the features of the popular Ola ride booking application. Key Features: - The app's primary function is to allow users to book rides conveniently. - It should integrate a robust and seamless real-time location tracking system for drivers. Ideal Experience: - Proven experience in developing Android applications. - Familiarity with GPS tracking systems. - Previous work on ride-sharing or booking apps is a plus.

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    Seeking a proficient Android Developer who is experienced in publishing apps on the Playstore and can efficiently work on open-source applications. Primary Goal: - Develop an Android application primarily aimed at generating revenue. Primary Features: - The application must provide key features like user registration and authentication. - There should be seamless integration with payment systems. - It ought to support in-app purchases. Design & Branding: - Applicants should be able to meet specific design and branding requirements, incorporating these aspects into the development of the application in a professional manner. Ideal Skills: - Proven experience as an app developer (showcasing previous work will be appreciated). - In-depth understanding and application of open-source ...

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    As the developer for this project, I will write a RESTful service in Java for tracking timecards. My main purpose is to let the company record employee working hours, generate payroll reports, and monitor employee attendance. To do this, my service must include the following functionalities: - PUT: Create a new timecard - POST: Update an existing timecard - DELETE: Delete an existing timecard - GET: Retrieve timecard information All the aforementioned tasks will return a JSON string, either formatted or unformatted. The JSON string format will not strictly be enforced in this RESTful service, as the main focus is providing a swift and reliable way for the timecard data to be manipulated and retrieved. The successful freelancer for this post should have excellent Java programming skill...

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    I am in need of a professional website for my law firm. The primary features I need are: - Attorney Profiles: I want each of our attorneys to have their own detailed page on the website. The pages should include photos, biographies, areas of expertise, and other pertinent information. I also want the website to have a blog section: - Blog Section: I want to provide our clients and visitors with regular updates, legal insights, and news from our firm. Overall, the website should be clean and professional, reflecting the quality and reputation of our legal practice. I'd like it to be easy to navigate and visually appealing. Ideal skills and experience for the job include: - Web design and development with a specialization in law firm websites - Proficient in creating and impleme...

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    I'm looking for a professional who can help me deploy my Spring Boot Maven with MySQL and React app to Google Cloud Platform. Key Responsibilities: - Deploy Spring Boot Maven with MySQL and React app to Google Cloud Platform - Ensure the deployment is running smoothly and is accessible Ideal Skills and Experience: - Strong experience in deploying Spring Boot applications - Familiarity with React app deployments - Prior experience with Google Cloud Platform - Knowledge of CI/CD pipelines is a plus, although not required in this case - Proficiency with Git for version control Looking forward to your bids!

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    I'm looking for an experienced developer to build an AI-powered invoice and payment management software, intended to simplify invoice creation, dispatch and tracking via WhatsApp and a website. This AI technology software should incorporate: - Natural Language Processing - Machine Learning - Image Recognition The software's core functionalities should include: - Tracking Payments: Capability to monitor and keep records of customer payments - Generating Reports: Produce regular, insightful financial reports - Automated Invoice Creation: Convenience of automated invoice creation Applicants are kindly requested to highlight their relevant experience while submitting their proposals. Your experience and knowledge in developing similar software will be key to the success of this p...

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    I'm in need of a proficient developer who can build me a data grabber. Ideally, you should have experience in creating software that retrieves specific text data from various websites. The tool should be capable of grabbing data from one page per site, no need for multiple page crawling. Your experience in web scraping and data mining would be advantageous, as well as having: - Profound knowledge in programming languages suitable for web scraping (Python, Java, etc.) - Familiarity with websites structure and HTML - Experience with data extraction tools and software - Proven background in creating custom data grabbers Your role will not only involve the creation of the tool but also ensuring it functions well without crashing or skipping important data. If you can deliver a well-fu...

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    I need an experienced Android developer to create an IoT app. - The primary function of the app will be asset tracking within a distributed control system. Ideal Skills: - Java based development for Android application - Able to use the resources/SDK at Expected output: - Very basic app to demo one message publish to AWS topic and receive one message from subscribed topic - Demonstrate the mobile app connecting to AWS IoT and Sub-Pub on a topic - Use TLS certs (client, private and root) Looking forward to your bids.

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    I have to run this project of web scraper.

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    I'm in need of a skilled programmer who can develop a software system that will replace an existing flash dongle licensing system. The primary goal of this software will be to manage and verify the licensing of our software. Essential Features: - Compatibility: The software must be Windows-compatible. - Licensing System: The software should implement a hardware-based activation system to ensure the protection of our software. Ideal Skills and Experience: - Proficient in software development for Windows environments. - Experience in developing hardware-based activation systems. - Knowledge of software licensing systems. - Strong understanding of encryption and security protocols. - Ability to create a user-friendly interface for license management. I'm looking for someone ...

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    I have the source code of my existing Android app and I'm eager to update its functionalities by using Flutter. The primary goal of this project is to revamp the app and introduce new features. The main aspects of the project include: - Implementing a user login system: The app should allow users to create accounts, log in, and manage their profiles. - Setting up push notifications: I'd like the updated app to send push notifications to users, based on their preferences. - Integrating in-app purchases: Users should have the ability to make purchases within the app securely. Ideal candidates should have: - Proficiency in Flutter and Dart - Experience with Android app development - Strong understanding of user authentication systems - Previous experience with push notifications a...

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    As the owner of an Android Java app, I'm seeking a skilled and experienced freelancer to incorporate Facebook banner ads into my app. Key Project Details: - The premier goal of these ads is to display them, aiming to increase app activity and user interaction. - The ad type we're focusing on is specifically banner advertising. - The banner ads should be placed strategically at the bottom of the app screen, to maximize visibility without obstructing essential app functionality. Desired Skills: - Proficiency in Android Java app development - Strong understanding of Facebook's ad platform - Experience in integrating banner ads into mobile apps in an engaging and non-intrusive manner This role requires someone with a keen eye for viewer engagement and ad placement strateg...

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    Description: We require a developer to create a program capable of joining video meeting platforms such as Zoom, Microsoft Teams, and BigBlueButton (BBB), capturing the audio from these meetings, and streaming it to a transcription engine. We prefer the Python programming language for both development and deployment on the AWS cloud. Requirements: Integration with Video Meeting Platforms: The program should connect to popular video meeting platforms including Zoom, Microsoft Teams, and BigBlueButton. It should support joining meetings as a participant and capturing the audio stream from these meetings. Audio Capture: The program must capture audio from the meetings in real-time. Streaming to Transcription Engine: Once the audio is captured, the program should stream it to the transcri...

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    I am currently in need of a freelancer proficient in Omnet++ VEINS network simulator. The backbone of the project is Artificial Intelligence (AI), with a specific interest in: - Network Protocols Simulation - IoT Devices Interconnection - Performance Analysis I am also in need of simulation for specific network protocols: - TCP/IP - UDP Whilst applicants should be experienced in network simulators, a strong background in Omnet++ and AI is a must. It is paramount that the freelancer can effectively integrate AI into the simulation, and that they are capable of interconnecting IoT devices. Studies or experience in computer networking would be advantageous.

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    I'm in need of an experienced Vue.js developer to assist with front-end development and implementing dynamic components. The project specifically involves working with Vue 2 and does not require integration with external APIs. Key Responsibilities: - Front-end Development: You'll be tasked with designing and developing the user-facing aspects of the application. - Dynamic Components: Implementing dynamic components to enhance user experience and application functionality. Ideal Skills and Experience: - Proficient in Vue.js: Extensive experience with Vue 2 is a must. - Front-end Expertise: Strong background in front-end development, with a focus on user interface design and development. - Dynamic Component Implementation: Proven experience in implementing dynamic components in V...

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    We are searching for suitable candidate from south india for a work from home position. Job responsibilities:- editing videos, uploading on youtube, graphic designing, preparing content, managing social media sites. software skills are added. Requirement:- Candidate must be from any Telugu state or understand telugu. must have own pc or laptop with good internet. timings:- 10 AM to 4:30 PM. Sunday holiday.

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    I'm looking for a skilled developer to assist me in modifying the CDL_Doji indicator in JForex. This project involves making the indicator signal different types of predefined candlesticks. Key Requirements: - Modification of the CDL_Doji indicator in JForex to signal different predefined candlestick patterns, such as Bullish Engulfing, Shooting Star, and Hammer. - The modified indicator should have customizable parameters to adjust the sensitivity and specifics of the signals. - It should also include alerts and notifications to keep me informed of the candlestick patterns it detects. Your experience with JForex and similar indicator modifications will be crucial for the success of this project. Please indicate your past work and familiarity with trading platforms in your applica...

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    i need to get build a simple android mobile app. This is based on games. The app must have links open in its own platform. It must operate like a browser.

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    I'm seeking a skilled blockchain developer to craft a robust Ethereum-based DeFi arbitrage tool for me. This tool will focus on leveraging decentralized exchanges (DEXs) for maximum efficiency. The tool should offer an intermediate level user interface, boasting user-friendly features. Key Requirements: - Proficiency in Ethereum blockchain technology - Experience in developing DeFi solutions, particularly in the area of DEXs - Prior projects developing arbitrage tools - Capability in building an intermediate level user interface Ideal Skills: - Blockchain technology - Ethereum - DeFi - DEXs - Arbitrage - User interface design Your role will be to bring my vision to life, ensuring the tool is efficient, user-friendly, and customised for the Ethereum blockchain. A prior experience in...

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    I'm in need of a detail-oriented freelancer to assist with data entry and appointment scheduling for my business. Ideal skills and experience: - Proficiency in data entry with a focus on numeric data - Experience with appointment scheduling software is a plus - Excellent organizational and time management skills Communication: I prefer updates and feedback through an instant messaging app.

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    I want this type of UI - I am looking for a skilled Android app developer to create an e-commerce mobile app similar to TikTok shop. However, the app should not integrate with Shopify or any other store, it should function as a standalone store much like Amazon.** I want morden design or UI ** Key functionalities: - User registration: Users should be able to easily register and maintain a personal account - Product search: A robust and efficient product search mechanism should be implemented. - In-app purchases: Users should be able to directly buy products from within the app. Payment methods: We aim to offer credit card payments at this point, so experience in integrating secure credit card payment gateways is a must. The successful freelancer needs to have experience in building ...

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    I'm in need of an experienced Android TV developer to create an application that integrates live TV. I provide one json file simple need to binding with app directly start app. Format .m3u8 file

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    I'm seeking an expert developer experienced in creating efficient trading platforms. Your depth of understanding in high-level languages used for trading platform development is crucial. The well-qualified candidate will demonstrate: - Substantive experience working on Fx, cryptos platforms, - Proficiency in high-level languages geared towards trading platform development, - Speed and efficiency in their work, - Enthusiasm for Forex trading market. we are looking if someone have strong knowalged on Nodejs and previous have good experince with developing trading platform Trading engine and matching engines our main focus to work on Trading terminal , Please include a description of your experience in your bid, focusing particularly on your knowledge of high-level languages used in ...

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    I'm seeking a seasoned SailPoint developer who can assist me with a proxy interview. This is an urgent requirement, with a deadline of completion within 1 week. Ideal candidates should have: - Over 5 years of experience in SailPoint IdentityIQ - Proficiency in Java programming - Specific expertise in handling complex workflow and integrations in SailPoint The main task will be to help me prepare for a proxy interview, so your ability to guide me through potential questions and scenarios related to SailPoint IdentityIQ is critical. Prior experience in proxy interviews will be highly regarded. The aim is to ensure that I can confidently address any technical questions posed during the interview. Please get in touch if you're confident that you can help me in this area and mee...

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    I'm in dire need of a professional who can eliminate sensitive content from my devices. Unfortunately, I've been targeted with blackmail and need to remove any photos and videos of myself that have been used against me on Facebook, Instagram, and Kik. Your primary tasks will be: - Erasing blackmailing material: You are required to thoroughly search and securely delete any photos and videos of me that could be used against me. - Ensuring privacy: It's crucial that you handle this task with the utmost discretion to protect my privacy and prevent any further misuse of this content. I need this content removed from the following devices: - Smartphone - Computer - Tablet Your experience and skills should include: - Proficient in Android system: Since my devices run on Androi...

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    I'm in search of a skilled fresher to convert a raw Java source code into a mobile application for Android. The successful candidate must demonstrate patience and understanding with the following requirements: - Translate Java code into a fully functional mobile application. - The project will only be paid for upon my complete satisfaction with the outcome. Ideal skills and requirements include: - Proficient in Java programming - Previous experience in mobile app development for Android - Attention to detail and patience - Ability to troubleshoot and problem-solve independently - Good communication skills and understanding of client needs.

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    I'm looking for an experienced Android app developer to create an invoicing app that's primarily focused on managing product sales. It's important that the app supports offline functionality. Key Features: - Product Sales Focus: This app will primarily be used for creating and managing invoices related to product sales. It should have a user-friendly interface for easily adding products, quantities, and generating invoices for customers. - Offline Support: The app must have the capability to work offline. This is crucial as it ensures my team can continue their work even without an internet connection. Once online, the app should seamlessly sync data with the cloud. Ideal Skills and Experience: - Android App Development: Extensive experience in developing high-quality Andr...

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    I want this type of UI - I am looking for a skilled Android app developer to create an e-commerce mobile app similar to TikTok shop. However, the app should not integrate with Shopify or any other store, it should function as a standalone store much like Amazon.** I want morden design or UI ** Key functionalities: - User registration: Users should be able to easily register and maintain a personal account - Product search: A robust and efficient product search mechanism should be implemented. - In-app purchases: Users should be able to directly buy products from within the app. Payment methods: We aim to offer credit card payments at this point, so experience in integrating secure credit card payment gateways is a must. The successful freelancer needs to have experience in building ...

    $6797 (Avg Bid)
    $6797 平均报价
    42 个竞标

    Hello. I require the expertise of a seasoned Java programmer to help me compile my WAR file. Currently, I encounter the error message "Groovyc: unable to resolve class " when I compile. I've made modifications to the code prior to this issue, but the root of the problem remains a mystery. In addition to the compilation error, I implore for assistance in redirecting my old domain name to a new one within the code (Refer to attached screenshot for more information). Ideal Skills and Experience: - Proficiency in Java programming and understanding of core principles - Experience in handling and resolving WAR file compilation errors - Domain redirect expertise within the coding realm Software professionals interested in this project should provide detailed project proposals...

    $188 (Avg Bid)
    $188 平均报价
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    I'm looking for an experienced Android developer who can help to update my in-browser app. The task will involve: - Improving the app's overall performance with an emphasis on stability. The aim is to create a seamless, glitch-free user experience. - Updating the app to comply with the latest security rules and standards. Although the app should adhere to all relevant rules, it is preferred if you have dealt with GDPR, HIPAA, and PCI DSS regulations before. Ideal skills for this job would include proficiency in Android development, experience in improving app performance, and a strong understanding of the mentioned security standards. Previous experience with in-browser apps is a bonus. It is essential you can deliver a finished, ready-to-upload app that meets all app store re...

    $4260 (Avg Bid)
    $4260 平均报价
    88 个竞标

    I am in need of a developer well-versed in web development to guide me through deploying my GitHub project on Netlify. The project can be found here: These tech were used to make the software ⚛️ React JS - Frontend ? Apollo GraphQL Server v3 - Server API ? GraphQL Template By Mohit - Boilerplate for Apollo ? Prisma - ORM ? Any relational or non-relational database that Prisma supports ?️ Redux w/ Redux Toolkit - State management ? IP Registry - Free Geolocation lookups

    $78 (Avg Bid)
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