Kafka websocket java example jobs

I'm seeking a highly experienced programmer in Habbo-style games development and a strong mastery of Java. The main goal of this project is the creation and customization of new Wireds for our Habbo emulator. Key Requirements: - Development and customization of Wireds that interact with users. - Wireds to be implemented in rooms and game mechanisms. - Highly personalized Wireds based on existing ones. Ideal Skills and Experience: - Extensive experience in programming Habbo-style games. - Proficient in Java. - Previous work with Wireds development. - Strong creative thinking for customizations. - Excellent understanding of user-interaction design within games.

...updates using the provided backend (e.g., WebSocket or API integration). Performance Optimization: Ensure smooth performance for high volumes of data and interactions. Code Documentation: Provide clean, maintainable, and well-documented code for future scalability. Browser Compatibility: Ensure compatibility with major browsers (Chrome, Firefox, Edge, Safari). Deliverables: Fully functional and responsive frontend as per the requirements. Deployment-ready frontend code with instructions. Assistance in integrating the frontend with my backend services. Timeline: Please provide an estimated timeline for completing the project. Budget: Indicate your rate or a project-based budget proposal. Additional Information: I will provide: APIs and WebSocket endpoints for data. Sampl...

Hi, Iam are looking for a highly qualified development team capable of working with Java and Vaadin. Ideally, you already have a pre-built Java Vaadin platform that can be extended, as our goal is to save time and launch quickly. In addition, parts of the solution must support Progressive Web App (PWA) capabilities. We look forward to hearing from you! Key Requirements: Java & Vaadin Expertise Proven experience with Vaadin framework (preferably with existing reusable components or a pre-built platform). Strong understanding of Java (including Java 8+ features and best practices). PWA Readiness Ability to integrate or develop Progressive Web App features for designated parts of the platform. Offline capabilities, push notifications, and other PWA...

I'm looking for an experienced developer to integrate Stripe Payouts into my website. The site is built using Java Spring Boot, so expertise in this framework is a must. Key Requirements: - Proven experience with Stripe integrations, particularly Payouts. - Strong expertise in Java Spring Boot. - Ability to deliver a seamless, secure and efficient integration. Please share your relevant experience and examples of similar projects you've completed. Looking forward to your proposals.

I'm seeking an expert in Java, Apache Tomcat, MySQL, and Eclipse IDE to build a vintage and classic style fashion website for me URGENTLY. Key Features: - Product Catalog: The catalog should display products in a grid view with images and prices, capturing the essence of vintage aesthetics. - User Login and Registration: A secure and user-friendly login and registration system is necessary. - Shopping Cart and Checkout: An efficient shopping cart and seamless checkout process are essential for a good user experience. Ideal Skills: - Proficiency in Java and Eclipse IDE - Experience with Apache Tomcat and MySQL - Strong understanding of web development - Ability to create a modern, minimalistic design with a vintage twist - Understanding of e-commerce website features a...

I am seeking a dedicated professional who can work from 8 PM to 4 AM IST. The ideal candidate will have robust skills in core Java and particularly excel in API testing. Experience with our Custom Apache Http client framework is essential. Key Responsibilities: - Creating custom test cases for our APIs - Debugging and troubleshooting APIs The perfect freelancer for this role will be quick to learn, adept at using tools such as Test NG, Maven, Splunk, and Linux and Git commands, and familiar with design patterns. Regular use of a MacBook and IntelliJ is a must.

...registration/login. Backend Development: Create RESTful APIs using Java (Spring Boot preferred). APIs to support user authentication, business/event data retrieval, and category management. Database: Use MySQL for basic data storage. Include tables for businesses, users, events, and categories. Key Features: Dynamic search and category-based filtering. User registration/login (basic authentication). Add/edit businesses and events (admin only). Deliverables: A functional prototype of the platform with source code. Clear instructions for running the application locally. Initial setup for deployment (e.g., Docker or cloud hosting guidance). Technical Requirements: Frontend: ReactJS, HTML5, CSS3, JavaScript/TypeScript. Backend: Java (Spring Boot), RESTful APIs. Database: ...

I'm in urgent need of a skilled Java or Kotlin programmer for native Android development. The task at hand is to create a client-server application for managing mobile clients. It's crucial that you have substantial experience working on such applications. Key Requirements: - Expertise in Java or Kotlin for Android development - Proven track record of developing client-server applications - Immediate availability for urgent project commencement In this long-term project, there's potential for permanent hiring. I will consider professionals who demonstrate commitment, deliver quality work, and have sufficient availability to dedicate to this project. Please note, the specifics of the application functionalities, the type of database to be used, and the metho...

I'm looking to develop an automated trading system for stock trading on the Zerodha platform. Key Features: - Real-time Data Analysis: The system should analyze market data in real-time. - Automatic Order Execution: Based on the analysis, the system should automatically place buy/sell orders. Ideal Skills: - Proficiency in programming languages (Python, Java) for algorithm development. - Experience with Zerodha's API for platform integration. - Strong understanding of stock market dynamics and trading strategies. Please provide examples of similar projects you've completed in your proposal.

Hi , I have 15+ Years of experience in IT industry , currently working in Big MNC in India as a technical architect. I can provide training on java, springboot, Microservices, REST API, ReactJs. Also, training will be provided(in tamil and English) to crack the interviews. College students also welcome!! Please contact me @8940726777

You have a pre-built java vaadin saas platform? I'm looking for an experienced developer who can work with a pre-built Java Vaadin SaaS platform. The key tasks will involve extending the platform to meet our specific requirements, as well as incorporating our branding guidelines into the design. Ideal Skills: - Proficiency in Java and Vaadin - Experience with SaaS platform development - Strong understanding of UI/UX, with the ability to adapt to branding guidelines - Prior experience with platform customization and feature extension

Do you have a prebuilt java vaadin platform ideally with multi role function? I'm in need of a Java Vaadin SaaS platform with 9 roles.

...databases (e.g., MongoDB). - Create efficient database schemas and queries. - Ensure secure and reliable data storage and retrieval. 3. **Integration and Security**: - Integrate third-party services and APIs as needed. - Implement best practices for security (e.g., authentication, authorization, data protection). 4. **Real-Time Features** *(if applicable)*: - Implement WebSocket or other real-time solutions for features like live notifications or chat. 5. **Code Quality and Collaboration**: - Write clean, maintainable, and well-documented code. - Collaborate with front-end developers to ensure seamless integration. - Participate in code reviews and testing to maintain high-quality standards. ### **Key Skills Required:** - Expe...

...and selling gift cards via third-party providers. inventory, transaction, and API management. 4.Top-notch security and failover mechanisms. 5.Real-time reporting and analytics. Our Tech Stack: Backend: Node.js, Frontend: (UI designs already available; needs integration). Database: MongoDB Cloud: AWS for hosting and server management. Other Tools: Redis, RabbitMQ/Kafka, Prometheus, Grafana, ELK Stack Key Responsibilities: and optimize APIs for seamless client integration. scalable, secure admin and client dashboards. dynamic API switching and failover mechanisms. compliance with data protection regulations (GDPR/CCPA). designed UI into the platform using What We’re Looking For: expertise

I need a Java implementation of a priority queue using a skip list for an academic assignment. The project will require the following: - Code comments and explanations: The code needs to be clear and easy to understand, with comments explaining the purpose and functionality of each section. - Unit tests: You will need to create unit tests to verify the functionality of the priority queue. - Detailed documentation: The implementation should be thoroughly documented, explaining each part of the code and the overall design of the priority queue. Moreover, a key requirement of this project is optimizing for insertion efficiency. The priority queue should be designed to handle insertions as efficiently as possible. Ideal skills for this project include: - Proficiency in Java -...

I'm looking for a professional code reviewer to check the quality of my Java and Python codes. The primary goal is to ensure maintainability. I also have concerns regarding the scalability of the code. Key Tasks: - Assess for code smells - Identify unused classes/variables - Evaluate the code's scalability Ideal Skills and Experience: - Proficient in Java and Python - Experience with static code analysis - Strong focus on code maintainability - Understanding of scalability concerns

I'm seeking a professional software tester to eval... Conduct a quality analysis utilizing SonarCloud. 3. Address issues found or provide justifications for not fixing them. 4. Prepare and publish a Docker image on DockerHub. 5. Ensure the Docker container is operational (e.g., as a web app or Java application). 6. Analyze code coverage with Cobertura or Jacoco. 7. Perform mutation testing using PiTest. 8. Conduct performance tests with JMH. 9. Create automated tests for poorly tested code components. 10. Assess security using OWASP FindSecBugs and OWASP DC. Ideal candidates should be proficient in Java, have extensive experience with Jenkins, and be well-versed in software testing methodologies. Familiarity with Docker, SonarCloud, Cobertura, Jacoco, PiTest, JMH, and O...

...should be optimized for mobile devices to keep the app size manageable (suitable for Play Store upload). Improved User Experience: Focus on making the conversation flow smoother and more engaging, enhancing the app’s interactivity and "girlfriend" persona. The app should be able to adapt its responses dynamically based on user input. Required Skills: Strong experience with Android development and Java/Kotlin programming. Familiarity with Machine Learning and LLMs, with knowledge of local model deployment. Experience with AI models on mobile platforms, optimizing for low latency and minimal storage. Knowledge of Play Store requirements for app size and performance. Ability to troubleshoot and optimize existing backend code. Preferred Skills: Experience with Ope...

I'm in need of a seasoned professional with extensive experience in Java or Python to develop an efficient email checker. The primary purpose of this tool is to filter and group emails. Key Requirements: - Development of a fast-running, headless email checker using Openbullet - Incorporation of 2Captcha via manual captcha solving - Use of residential proxies for the operation Ideal Skills and Experience: - Proficient in Java or Python - Previous experience with Openbullet - Familiarity with 2Captcha - Expertise in using residential proxies - Ability to build a fast, efficient tool

My project is a chess board that can be played online with the people connected at that time with the addition of being able to control the board by voice o...has all the features that pages like chesscom or lichess have; being able to drag and drop, being able to select and move, see captured pieces, see moves made, rewind moves, visual alerts, rotate the board, look at the clock, pre-moves, etc., and without that I can't move on to the next thing, which is to allow people to connect to each other over the Internet. In this case, I thought about a websocket, but I haven't done that yet. I also haven't integrated those voice or image control functions with the camera or microphone. I just wish all of that was integrated and maybe added a non-relational database to sav...

I nee...Responsibilities: - Set up a new Deribit Test account and generate API keys for authentication - Implement order management functions, including placing, canceling, modifying orders, getting the order book, viewing current positions - Develop a WebSocket server functionality for real-time market data streaming - Allow clients to subscribe to symbols and stream continuous order book updates for those symbols The ideal candidate should have: - Profound expertise in C++ programming - Prior experience working with trading systems - Familiarity with WebSocket server implementation - Understanding of low latency requirements in trading - Capability to handle all parameters during order modifications Please ensure to provide examples of similar projects you have completed ...

...translate, and save the output automatically. Requirements: The program must use external AI services (not create an AI from scratch). It should support integration with popular AI tools via APIs. Ensure accurate text extraction, even with stylized fonts. Ideal Skills and Experience: Experience with OCR (Optical Character Recognition) technologies. Proficiency in programming languages such as Python, Java, or C#. Strong understanding of API integrations with AI tools like Google Translate, DeepL, or OpenAI. Familiarity with handling comic and document file formats. Deliverables: Fully functional program with clear user instructions. Source code for future updates. Bonus Features (Optional): Batch processing for multiple comics at once. Option for users to select or customize ...

I need two methods developed for my Selenium WebDriver + Java automation project. These methods should control the internet connectivity of a RemoteWebDriver instance during test execution. - The first method should make the browser offline, and the second should bring it back online again. - Both methods should take RemoteWebDriver as input. - The methods should be tested on both Linux and Windows platforms, and on both Chrome and Edge browsers. - Future-proofing is a plus, as I may require varying levels of network latency in the future. Ideal skills for this project include proficiency in Java and Selenium WebDriver, experience with network simulation in automated tests, and expertise in both Linux and Windows operating systems.

years of experience 8 years . Proven experience in Amazon Alexa . Hands-on experience in OpenSearch, Kefka, Splunk, Glue,pyspark,EMR, Lambda,dynamo DB . Coding: python,c++, Java, object-oriented language, or other modern programming language . Integrate Alexa skills with third-party APIs, databases, and other systems

years of experience 8 years . Proven experience in Amazon Alexa . Hands-on experience in OpenSearch, Kefka, Splunk, Glue,pyspark,EMR, Lambda,dynamo DB . Coding: python,c++, Java, object-oriented language, or other modern programming language . Integrate Alexa skills with third-party APIs, databases, and other systems

Looking for BMC Remedy/Helix Developers for Pune or Delhi location Experience : 5-7 years Skills : BMC remedy, He...CMDB Module. Strong know-how of functional and design aspects of the BMC Remedy ITSM Suite is a must. Experience in developing enterprise software products, in a fast-paced, distributed, and agile development environment Experience in Asset Management, Smart IT and Helix Dashboard Experience in developing/accessing Web Services including good knowledge of REST protocols and web development using Java-script/Jason will be an added advantage Experience in SRM, BWF, DWP, and DWP Catalog IS Application Development Experience Product Upgrades Experience Handling SaaS space challenges including Deployment and monitoring Should be able to manage a team , excellent communicati...

I'm seeking a mentor to enhance my Core Java skills, with a specific focus on Object-Oriented Programming (OOP), Project based task daily Key Requirements: - Proficiency in Core Java and OOP - Experience in teaching or mentoring - Ability to create and guide through coding exercises Ideal Skills: - Core Java - Object-oriented programming - Mentoring/Teaching - Coding exercises design

...Scrapy) for structured extraction of content from articles, ensuring compliance with copyright laws. Dynamic Infographics: Integrate libraries (e.g., D3.js, Canva API) to generate interactive and visually appealing infographicsDeploy the system on a scalable cloud platform (AWS, GCP, or Azure) using container orchestration tools like Kubernetes for high availability. Use message queues (e.g., Kafka, RabbitMQ) for handling concurrent requests. Implement caching (e.g., Redis, Memcached) to improve response time for frequently accessed summaries. b. Performance Optimization Dynamic Workload Balancing: Implement load balancers to distribute incoming workloads evenly. Processing Pipeline Optimization: Use asynchronous processing for resource-intensive tasks like summarization and vi...

My Windows-based Java desktop application is not functioning as expected. I'm looking for an experienced programmer with a strong background in fixing Java desktop applications. Please apply if you have: - Extensive experience in Java programming - Proficient debugging and problem-solving skills - Previous experience working with Windows desktop applications

... Design and develop new Android applications and features. Collaborate with cross-functional teams to define, design, and ship new functionalities. Ensure the best possible performance, quality, and responsiveness of applications. Stay updated with the latest trends and best practices in Android development. Requirements: Proven experience of 2+ years in Android development. Strong knowledge of Java or Kotlin. Familiarity with Android SDK, APIs, and third-party libraries. Experience with version control systems like Git. Understanding of UI/UX principles for mobile applications. Ability to work independently and handle multiple tasks. Preferred Skills: Knowledge of modern architectural patterns like MVVM or Clean Architecture. Experience with RESTful APIs and database integration...

I'm in need of a seasoned Android developer to bring my app, developed in Java with Firebase as the backend, to its final stage. This project involves the integration of remaining features, enhancing the UI, conducting essential testing, and getting the app ready for deployment. Key Responsibilities: - Finalize and integrate the remaining app features. - Enhance the UI for a smooth and user-friendly experience. - Ensure seamless integration with Firebase for backend functionalities. - Carry out basic testing to ensure all features function as intended. - Prepare the app for final deployment. Ideal Candidate: - Proficient in Android development, specifically with Java and Android Studio. - Extensive experience with Firebase integration. - Possesses a strong sense for UI...

I'm looking for an expert web scraper who can help me extract a full, publicly accessible, Trading View script. The purpose of this extraction is to allow me to modify indicators. Requirements: - Proficiency with Chrome Debugger. - Advanced skills in Java Script and Pine Script. - Proven experience in web scraping. Please note, I do not require any additional data extraction. I only need the script.

Our platform automatically generates slides in HTML format and our clients need PowerPoint versions so that they can edit them as needed. We have already started building a standalone component in Java and we're looking for someone to help work on it. You can see an example of the current state in the attachments. The PDF exports of the HTML slides work well, however, PPTX not so. As you can see in the attachments, the PPTX should look much more like the PDF version. We're looking for an experience Java developer with experience in HTML and Javascript for this project.

My VPN iOS app, developed in Rust Flutter, has stopped processing in-app purchases due to Apple's recent transition to StoreKit2. Both the iOS app code and the server-side implementation, which is written in Java and connects to WHMCS, require updates. I need a freelancer who can: - Update the iOS app to utilize StoreKit2 - Make necessary adjustments to the server-side implementation - Ensure seamless integration with WHMCS A strong understanding of Rust Flutter, Java, and WHMCS is essential. Please bid only if you are familiar with all of these.

Dear Candidates, We are an expanding development team specializing in the MERN stack, PHP, Vue.js,,,Javascript,HTML,CSS and Java. We are seeking a motivated and results-oriented Business Development Manager to join our dynamic team. The ideal candidate should have experience in sourcing and acquiring genuine projects from platforms such as Upwork, Freelancer, Fiverr, LinkedIn, and more. Your responsibilities will include actively identifying opportunities, negotiating terms, and closing deals with clients to drive consistent business growth. Compensation: This role offers a project-based salary, with remuneration aligned to the scale and success of each are looking to fill this position as soon as possible. If you are interested and believe you have the skills

I'm in need of a seasoned Android developer to bring my app, developed in Java with Firebase as the backend, to its final stage. This project involves the integration of remaining features, enhancing the UI, conducting essential testing, and getting the app ready for deployment. Key Responsibilities: - Finalize and integrate the remaining app features. - Enhance the UI for a smooth and user-friendly experience. - Ensure seamless integration with Firebase for backend functionalities. - Carry out basic testing to ensure all features function as intended. - Prepare the app for final deployment. Ideal Candidate: - Proficient in Android development, specifically with Java and Android Studio. - Extensive experience with Firebase integration. - Possesses a strong sense for UI...

...for an expert in GraalVM who can provide the necessary native-image commands to compile my full-screen AWT Java application into a Windows executable. This executable should be able to run on PCs without Java installed. I have the Java JDK and the native-image on my PC. The task involves: - Providing the GraalVM native-image commands to compile the Java app into a single executable file. - Delivering the commands without the need for an installer package or an executable with dependencies. Ideal candidates for this project should have: - Extensive experience with GraalVM and its native-image capabilities. - Deep understanding of Java and AWT. - Previous experience in converting Java applications into Windows executables. - Ability to deliver s...

I'm looking for an experienced Android developer to finalize my app built in Java with Firebase as the backend. The project involves integrating remaining features, polishing the UI, conducting basic testing, and preparing the app for deployment. Your tasks will include: - Finalizing and integrating the remaining app features. - Enhancing the UI to create a polished and user-friendly experience. - Ensuring smooth integration with Firebase for backend functionalities. - Conducting basic testing to confirm all features function as intended. - Preparing the app for final deployment. The ideal candidate should have: - Strong expertise in Android development, particularly with Java and Android Studio. - Extensive experience with Firebase integration. - A keen eye for UI/UX ...

I am looking for an experienced Android App developer who is proficient in Java. The app will serve as a utility tool focusing primarily on file organization. Key Responsibilities: - Develop a file organization utility tool for Android. - Ensure the app supports both local and cloud storage options. Ideal Skills: - Proficient in Java and Android app development. - Well-versed with HTTP and FTP protocol and methodology. Specifically, expertise in POST and GET requests is needed. - Experience with Google Suite/API is a plus.

...implementation (needs optimization) 2. Trading Platform Core ✅ P2P trading system implementation Trade creation and management Real-time trade status updates Basic trade matching system Trade chat functionality Dispute handling system (basic implementation) 3. User Interface ✅ Modern responsive design Dashboard implementation Trade listing and filtering Basic notification system Real-time updates using WebSocket Remaining Tasks & Improvements 1. Multi-language Support ? Implement i18n framework Add language selection functionality Create translation files for: Persian (Farsi) English German 2. Payment System Enhancement ? Based on reference sites: Integration with Iranian payment gateways Support for multiple payment methods:Stripe/paypal Direct bank transfer Card-to-card tr...

Hi, I am looking for a Vaadin Java developer Team, that has a prebuild platform in vaadin Java with 3 or more roles. I want to develop a platform but dont want to waste time at all, so therefore anyone who already has build something, could show me and we can progress from there. Looking forward for your inquiries.

I'm facing an issue with my Java project which needs to connect to Firebase for sending push notifications. Despite having configured the roles, permissions and scopes in Google Cloud Platform, I keep receiving an error related to the token: "Error parsing token refresh response. Expected value access_token not found." I've tried multiple methods for refreshing the token, as well as regenerating the credentials JSON file several times, but nothing seems to work. What I need: - Help in debugging this token error. - Screen sharing via Google Meet or a similar platform. Please note that I will not share my project code. I work on VScode, and any assistance would be greatly appreciated.

I'm looking for a skilled developer to map our pre-built React frontend to an existing .NET API. The project involves: - Displaying product details from the API on the frontend - Implementing basic authentication to access the API Ideal candidates should have: - Strong experience with React - Proficiency in .NET - Familiarity with basic authentication methods - Prior experience in API mapping to frontend Please provide examples of similar projects you've completed.

... Required Skills and Experience: - Proficiency in Tuya API: Demonstrated experience integrating and working with the Tuya IoT platform and API library. - Web Development Expertise: - Strong knowledge of frontend frameworks like React, Vue.js, or Angular. - Backend experience with technologies such as Node.js, Python (Django/Flask), or Ruby on Rails. - Familiarity with RESTful APIs and WebSocket protocols. - Smart Home Systems: Understanding of smart home ecosystems, particularly lighting devices, and their communication protocols. - UI/UX Design: Ability to enhance provided templates for an intuitive and visually appealing user experience. - Project Portfolio: Proven track record with examples of similar smart home or IoT projects. Preferred Qualifications: - Experience w...

I'm in need of a service that can provide an image, a definition, and an example sentence for a significant number of words (more than 100). This is for the American Language Course, which is a book used to teach English to international military students. These words will be provided by me in sections. I have attached an PowerPoint example for section 7.1. Key Requirements: - Ability to source or create suitable images for each word. Any type of image is acceptable (stock images, custom illustrations, etc.) just as long as it appropriately represents the word. Preferably realistic. ChatGPT works. - Strong understanding of language to craft clear, concise definitions and example sentences. - Creativity and resourcefulness in finding or creating engaging and rel...

Project React Native project utilizing the @wdragon/react-native-voice open-source library (Modification Request) Required Technical Skills • Tech Stack: • React Native • TypeScript • Swift or Objective-C (for iOS development) • Java or Kotlin (for Android development) Requirements1. Consistent Cross-Platform Functionality (iOS & Android) All features must operate consistently on both iOS and Android. 1. Improvement of Speech-to-Text (STT) Processing Currently, audio played from the device speaker is being picked up again by the microphone and processed as STT input. We need to clearly distinguish between: The sound coming from the speaker The user’s voice captured by the microphone Only the user’s voice s...

Mountain climbing is a fun activity, but what if it becomes a scary story. Mount Lawu is a mountain located in the border area between Karanganyar (Jakarta) and East Java.

...You may contribute your expertise by… Crafting and answering questions related to computer science in order to help train AI models Evaluating and ranking code generated by AI models Examples of desirable expertise: Currently enrolled in or completed a bachelor's degree or higher in computer science at a selective institution Proficiency working with one or more of the the following languages: Java, Python, JavaScript / TypeScript, C++, Swift, and Verilog Ability to articulate complex concepts fluently in Austrian German. Excellent attention to detail, including grammar, punctuation, and style guidelines Payment: Currently, pay rates for core project work by coding experts range from USD $30 per hour. PLEASE NOTE: We collect, retain and use personal data for our p...

I need an experienced professional who can perform regression testing on my web application using Selenium with Java. Key Requirements: - Proficiency in Java and Selenium - Experience in performing regression tests - Capability to conduct tests on Chrome browser - Understanding of data creation through API - Data writing and extraction from excel/CSV - Page Object Model The focus of this project is to ensure that all features of the web application are working as intended after updates or changes, and to identify any potential issues before they impact users. The ideal freelancer will be detail-oriented, capable of developing comprehensive test cases, and able to communicate findings clearly and effectively.

I need a proficient Java Springboot developer for integrating REST APIs of flight reservation system, specifically for data retrieval from various third-party APIs. Ideal Skills and Experience: - Extensive experience with Java Springboot - Proficient in REST API integration - Familiar with retrieving data from third-party APIs - Experience in software development, particularly back-end development. - Competency in problem-solving and troubleshooting. Please include examples of similar projects you've completed in your proposal.