Hire the Best Eclipse Developers & Programmers in Kharkiv, UA

👋 Need a high-load Java platform that scales without a glitch? 🚀 I provide full-stack ownership with Spring Boot and React Native, turning complex ideas into secure, production-ready reality. Backed by 20+ years and 100+ delivered projects, I build code that works for your bottom line, not just your repo. Check out my page to see my portfolio! 🛡️ As a Java Developer I've built high-load backend systems, REST AP payment solutions document processing platforms, and business applications used by thousands of users. As a Full Stack Developer and React Native Developer I've helped startups and growing companies launch scalable products while maintaining security, performance, and compliance. Throughout my career, I've worked with startups, established businesses, and enterprise clients, helping them transform ideas into reliable software products. My experience covers the entire development lifecycle, from architecture planning and technical discovery to development, deployment, optimization, and long-term support. My expertise includes Java Developer Spring Boot React Native AWS PostgreSQL Docker Kubernetes microservices cloud infrastructure and secure software architecture 💪 Full Stack Java Developer Expertise ✔️ 20+ years of Java development 100 successful projects using Java, Spring Boot, Spring Security, Hibernate, and enterprise architectures ✔️ Full Stack Development covering backend architecture database design frontend implementation and React Native mobile applications ✔️ Spring Boot Development, REST API microservices cloud-native applications and high-performance backend systems ✔️ Backend Architecture, distributed systems, 50 third-party integrations, authentication systems, and secure API development ✔️ PostgreSQL MySQL Redis AWS Docker Kubernetes CI/CD performance optimization and legacy system modernization ✔️ Extensive experience designing business-critical applications where scalability, maintainability, security, and long-term growth are key requirements ✔️ Experience integrating payment gateways, healthcare systems, cloud services, identity providers, and external enterprise platforms ✔️ Strong understanding of software architecture, design patterns, clean code principles, and modern development practices ✔️ Experience leading technical initiatives, collaborating with distributed teams, participating in code reviews, and helping businesses make technology decisions 🏥 Healthcare Software Development Expertise As a Senior Java Developer and Full Stack Developer, I've built secure and HIPAA-compliant healthcare software for startups, clinics, and digital health companies. ✔️ 100+ healthcare applications including EHR/EMR systems, telemedicine platforms, patient portals, and engagement solutions ✔️ 80+ FHIR & HL7 integrations for healthcare interoperability and secure data exchange ✔️ 150 React Native healthcare apps with Apple HealthKit, Google Fit, BLE, and real-time health monitoring ✔️ 100+ healthcare features delivered, improving patient engagement and clinical workflows ✔️ 50+ HIPAA-compliant architectures with encrypted storage, audit logging, RBAC, and secure APIs ✔️ 100 Java Spring Boot backend systems with up to 99.9% uptime ✔️150+ healthcare workflow automations, provider portals, appointment management, and patient communication platforms 💳 Fintech Software Development Expertise As a Full Stack Java Developer I've built PCI DSS-compliant fintech platforms focused on payments, identity verification, and transaction security. ✔️ 30+ Stripe, Apple Pay, Google Pay, and 3D Secure (3DS) integrations ✔️ 20+ KYC & AML workflows for onboarding and compliance automation ✔️ 100+ payment features delivered, reducing friction and improving transaction success ✔️ 25+ payment platforms, transaction systems, and financial API integrations ✔️ 15+ PCI DSS architectures with encryption, tokenization, audit logging, and secure authentication ✔️ 50+ financial reporting, payment workflows, transaction monitoring, and compliance solution 🏆 Key Results ✔️ 20+ years of commercial experience as a Full Stack Java Developer ✔️ 100+ enterprise projects across Healthcare, FinTech, SaaS, and AI ✔️ 55+ AI-powered products using OpenAI, Claude API, FastAPI, AI Agents & RAG ( use Lovable \ Bollt.new \ Base44 and etc ) ✔️ Up to 100% uptime for mission-critical healthcare and fintech systems ✔️ Up to 40% higher patient engagement through digital health solutions ✔️ Up to 25% lower payment decline rates with optimized payment workflows ✔️ Up to 35% faster application performance and scalability improvements ✔️ Up to 90% fewer security vulnerabilities with secure architectures 📩 Looking for a technical partner who understands both technology and business goals? I help companies build, scale, and modernize Healthcare Fintech SaaS and Enterprise products using Java Spring Boot Full Stack technologies and React Native

Nordic Bluetooth, Zephyr, nRF Connect SDK, nRF Mesh, Cypress/Infineon BT/WiFi, STM32, Silabs, Espressif ESP32, NEC/Renesas/Dialog, Atmel/Microchip, Arduino preferably. C/C#/Python Have over 11 years of professional experience in electronics development, embedded systems, hardware design, IoT. In past I have worked for prosperous Startup, manufacturer company and have designed electronics products from scratch to mass production. Experienced in development and testing of embedded systems. MCU: Nordic nrf52 BT SoC. Espressif ESP32 WiFi BT. Cypress/Infineon PSoC6 BT/WiFi WICED ST STM32 F0, L4, L4+ Cortex-M0-M4. ST Bluetooth 5 BLUENRG-2 SiLabs (Energy Micro) EFM32 ARM Cortex-M3 Atmel AT90S, ATtiny, ATMEGA, XMEGA.. Microchip 12F, 16F, 18F. Renesas/Dialog (Nec) 78k. DA. Rockchip. Development Tools - Eclipse - IAR - CodeVisionAVR - Keil µVision IDE. - Visual Studio - Altium - GCC - CCS C Compiler - Arduino VERSION CONTROL/BAG TRACKING - SVN - Git - Jira - Asana

Hi, I’m a Java Developer with extensive experience in software development, specializing in backend, and full-stack solutions. I build high-performance, scalable applications using Java, Spring Boot, and modern web technologies. My expertise covers RESTful API design, microservices architecture, and cloud-based solutions with Amazon Web Services (AWS) and Docker. ✔ Core Skills & Technologies: I leverage a versatile tech stack to build scalable, secure, and high-performance applications, ensuring reliability and efficiency. 🟢 Programming Languages: Java, JavaScript, TypeScript, Python, PHP – Used to develop 20+ enterprise applications, handling thousands of daily users. 🟢 Frameworks & Libraries: Java Spring Boot, Spring Framework, Hibernate, React, Angular, jQuery – Optimized system performance, improving response times by 25%. 🟢 Database Management: MySQL, SQL, MongoDB – Designed and maintained databases processing over 1M+ transactions monthly. 🟢 Web & Application Development: Web Development, Java Development, Desktop Applications, Standalone Applications, WordPress – Delivered 50+ projects, enhancing client operations and user engagement. 🟢 DevOps & Deployment: Docker, Apache Tomcat, Git – Streamlined CI/CD pipelines, reducing deployment time by 30%. 🟢 Software Engineering: Software Architecture & Design, Software Development, Software Debugging – As a Java Developer I developed scalable solutions supporting 50K+ active users. 🟢 UI/UX: HTML CSS JavaScript, HTML5, CSS3 – Created responsive interfaces that increased user engagement by 20%. 🟢 Testing & Quality Assurance: JUnit, Software Testing – Reduced production issues by 40% through automated and manual testing. ✔ What I Build as a Java Developer My expertise spans across developing: 🟢 Backend Systems: Scalable microservices architectures, high-performance enterprise applications, developed by a Java Developer 🟢 Web Development: Secure full-stack solutions with Spring Boot, JavaScript, HTML, CSS 🟢 API Development & Integrations: RESTful API, GraphQL, third-party API integrations 🟢 SaaS Platforms: Cloud-powered software development with AWS, Docker, and Kubernetes 🟢 Custom CRM & ERP Solutions: Optimized for business process automation 🟢 DevOps & Infrastructure: CI/CD pipelines, cloud deployment, serverless solutions ✔ Industries I Work With My solutions empower businesses in diverse industries: 🟢 EdTech & E-Learning: LMS platforms, interactive e-learning solutions 🟢 HealthTech & Medical: Secure healthcare applications, compliance-driven systems 🟢 E-commerce & Retail: Payment integrations, inventory management solutions 🟢 FinTech & Banking: Secure financial applications, transaction processing 🟢 SaaS & Enterprise Software: B2B platforms, cloud-based solutions 🟢 HRTech & Recruitment: Custom HR systems, workforce analytics 🟢 Manufacturing & Logistics: ERP integrations, supply chain management 🟢 Travel & Booking: Reservation systems, customer portals ✔ Development Approach & Work Style 🟢 Problem-Solving Mindset: Writing clean, maintainable, and well-documented code for scalability 🟢 Client-Centric Approach: Aligning technology solutions with business goals 🟢 Agile Software Development: Iterative development, CI/CD pipelines, continuous integration 🟢 Performance & Security Focused: Optimized queries, security best practices ✔ Leadership & Client Impact: 🟢 Led teams of 5+ Java developers to implement scalable Java solutions for clients worldwide( from India to the US). 🟢 As a Java Developer, I developed Java-based platforms contributing to a significant increase in client revenue. 🟢 Consistently received 4.9/5 ratings, reflecting dedication to quality and client success. If you're looking for an experienced Java Developer, Senior Java Developer, Full Stack Developer, Java Spring developer, Javascript Developer, Python Developer, Java developer India to build scalable, high-performance applications, let’s connect!🚀

Greetings! I have been working as a Java developer for more than 14 years, my main clients are from Europe, Israel, India, China and USA. I am developing both desktop software and web applications, RESTful microservices etc. You can safely entrust me with the work on your project and will never be disappointed in our cooperation, I can guarantee the high responsibility and quality of the tasks that I carry out, which you can be sure of when you take me to your team. Main skills: Java technologies: - Java 8, 9, 11, 17 - JavaFX - Zuul, Ribbon, Eureka - Spring: Core, MVC, Web-flow, Integration, Batch, Boot, Social, Data, Config - Quarkus - Maven 2/3, JUnit 4 - JMS: RabbitMQ, ActiveMQ - JDBC, Hibernate 3.x, Neo4j - ESB, JNDI, JSP - WebDriver - JHipster NodeJS development: assisting libraries: express, async, soap, log4js connectivity: mongodb, redis, stomp-client, socket-io testing, building: should, mocha, grunt deployment: PM2, npm publishing and related activities promises, some EcmaScript 6 thingies Front-end development: Angular HTML 5, CSS 3, JavaScript (ES 5/6) JQuery, Bootstrap Other: pug (jade) Datastores: MySQL, MongoDB, PostgreSQL Other: AWS, Google Cloud, Azure services: Compute Engine, Cloud Storage, Data Store, SQL regular usage of Linux-based systems (anything necessary to develop and support software) infrastructure: Jenkins, SVN, git - commit/push/pull level ActiveMQ, Camel Elasticsearch

I don't work with russian terrorists!!! Hello, Upwork community! I would be happy to provide you with my service, I represent an IT company is developing complex enterprise web applications, desktop applications and microservices using Java technologies. At SmartFoxPro ltd., we deliver unparalleled web&desktop development solutions to fit each of our customers’ unique business requirements and strategies. Our experts utilize new technologies, enhanced frameworks and mature methodologies to develop applications that facilitate business transformation. SmartFoxPro offers the best practices in web&desktop development to ensure reliable and successful deliverables. We pay maximum attention to solution architecture and code quality. By constantly mastering new technologies and approaches we ensure you’re getting quality you deserve. We have been working fore more than 9 years with such famous brands like: Liebherr, DHL, Knime, Oxceed (Germany). Also we have a lot of clients from UK, USA, Israel, China, Europe and India.

📣 Hello and welcome! I'm Maksym Myronov, a Full-Stack Software Developer with several years of hands-on experience building scalable web applications using Java (Spring Boot) and React (TypeScript). I’m results-oriented, proactive, and detail-focused, with a strong background in software architecture, clean code, and problem-solving. I’ve worked in international teams (Germany, UK) and enjoy collaborating on challenging, meaningful projects. 💻 WHAT I OFFER 🌐 WEB DEVELOPMENT I build high-performance, responsive, and maintainable web applications using React 18, TypeScript, Redux Toolkit, and Material UI on the frontend, and Java Spring Boot 3 on the backend. My full-stack expertise allows me to deliver seamless user experiences and robust server-side logic. ⚙️ API DEVELOPMENT & INTEGRATION I design and implement RESTful APIs using Spring Boot, Hibernate/JPA, and PostgreSQL/MySQL. I’ve integrated various third-party services — payment systems, email/SMS notifications, and analytics — ensuring secure and efficient communication across platforms. 🏢 ENTERPRISE & CLOUD SOLUTIONS (JAVA) I develop scalable enterprise applications using Java 21, applying SOLID, Design Patterns, and Clean Architecture. Experienced with Docker, GitLab CI/CD, and AWS (EC2, S3, RDS) for automated deployments and cloud infrastructure. 📊 DASHBOARDS & DATA-DRIVEN SYSTEMS I’ve built interactive dashboards and monitoring tools with React and charting libraries for data visualization. I focus on performance, clarity, and maintainability to provide value-driven insights. 🤝 TEAM COLLABORATION & CODE QUALITY I practice Agile/Scrum, conduct code reviews, onboard new developers, and maintain high code standards through testing (JUnit, Jest) and continuous integration. 📌 MY TECH STACK Frontend: React 18, TypeScript, Redux Toolkit, Material UI, HTML5, CSS3, Vite Backend: Java 21, Spring Boot 3, Hibernate/JPA, REST API, Node.js (basic) Database: PostgreSQL, MySQL Tools & DevOps: Docker, GitLab CI/CD, AWS EC2/S3/RDS Testing: JUnit, Jest Other: Jira, Confluence, Agile/Scrum, SOLID, Design Patterns, Clean Code principles If you’re looking for a reliable and self-motivated developer who can take ownership of both backend and frontend, ensure clean architecture, and deliver production-quality solutions — let’s discuss how I can contribute to your project. 🚀