Hire the Best JavaFX Developers in Lviv, UA

📢 Available for New Projects 📢 I am a Senior Java Developer and Full Stack Developer with 10+ years of experience building production-grade backend systems, SaaS platforms, and web applications that scale globally. As a Java Developer and Full Stack Developer, I specialize in transforming complex business requirements into reliable, high-performance software solutions. Why hire me as your Java Developer and Full Stack Developer? ⭐ 100% Job Success Score ☕ 10+ years of commercial Java development across enterprise and startup environments 🚀 30+ production systems — SaaS platforms, web apps, APIs, and microservices ⚙️ Expert Java Developer in Spring Boot, Spring Cloud, Hibernate, and microservices 💰 Built fintech Java backend processing $15M+ annually on AWS 📈 Scaled logistics platform to 1.2M+ daily API requests with Redis optimization 🏆 Delivered Full Stack Developer MVP in 6 weeks securing $500K+ pre-seed funding 🖥️ Full Stack Developer — Java backend + React + Node.js + REST API ☁️ AWS, Docker, Kubernetes, CI/CD pipelines 🗄️ PostgreSQL, MySQL, MongoDB ✅ TDD, SOLID principles, clean architecture, Agile 👥 Led 10+ developer teams across full-cycle SaaS delivery What I build as a Java Developer and Full Stack Developer: As a Java Developer, I design backend systems, REST APIs, and microservices that power SaaS platforms, web applications, and enterprise software. As a Full Stack Developer, I cover the complete stack — Java Spring Boot backend, PostgreSQL database, React frontend, and AWS cloud deployment. I have delivered SaaS platforms, CRM systems, ERP solutions, marketplace platforms, booking systems, fintech applications, healthcare platforms, logistics systems, and EdTech products. Industries served: 🏦 Fintech — payment processing, financial SaaS, embedded financing 🏥 Healthcare — HIPAA-compliant platforms, patient management systems 🚚 Logistics — real-time tracking, fleet management, delivery platforms 🛒 E-commerce — marketplace platforms, inventory and order systems 📚 EdTech — learning management systems, educational SaaS platforms 🏗️ Construction — project management, field operations, procurement 📊 SaaS — multi-tenant architecture, subscription billing, dashboards Technical expertise: Backend: Java, Spring Boot, Spring Cloud, Spring Security, Hibernate, Microservices, REST API, Kafka, Redis, OAuth2, JWT Full Stack: React, Next.js, TypeScript, Node.js, NestJS, Redux, Tailwind CSS Cloud: AWS (EC2, S3, RDS, Lambda), Docker, Kubernetes, Jenkins, GitHub Actions, Terraform Databases: PostgreSQL, MySQL, MongoDB, Redis, Elasticsearch Integrations: Stripe, Plaid, Firebase, Twilio, QuickBooks, OpenAI API, Claude API What I deliver: ✅ SaaS platform development from MVP to production ✅ Web application development and modernization ✅ REST API design and microservices architecture ✅ Third-party API integrations ✅ Fintech and payment system development ✅ Marketplace and booking platform development ✅ Custom CRM, ERP, and internal tooling ✅ Cloud infrastructure setup and optimization As a Java Developer and Full Stack Developer, I think about architecture, scalability, and maintainability from day one. Whether you need a Java Developer for a critical backend service, a Full Stack Developer to build your SaaS platform, or a technical partner to architect your web application — I deliver production-ready results. Looking for a Java Developer, Full Stack Developer, Spring Boot Developer, SaaS Developer, or Web Application Developer who builds systems that scale? Let's talk 🚀

Software architect with 25+ years of experience designing and shipping production systems — from embedded firmware and native iOS to modern cross-platform mobile apps, cloud backends and AI-powered products. I debug production crashes other freelancers can't. For the last 5+ years I've specialized in: ▸ MOBILE — Expo / React Native: architecture, custom native modules (Swift / Kotlin), EAS Build, OTA updates, store submissions, performance work ▸ BACKEND — NestJS / NodeJS: modular architecture, DI, TypeORM, AdminJS panels, JWT / RBAC, Swagger / OpenAPI, scheduled workers, websockets ▸ INTEGRATIONS — Stripe, RevenueCat, PayPal, Apple StoreKit, OpenAI, Anthropic, Firebase, SocketIO, MapLibre, LiveKit, OpenTok, CallKit / VoIP, BLE, background geolocation I design end-to-end: data models, API contracts, mobile component trees, subscription / payment reconciliation, observability, and the operational details that turn a prototype into something that survives Apple review, Stripe webhook retries, and a year of feature drift. My first 15 years were C/C++ on Win32, VxWorks, and QNX, followed by ~10 years of native iOS (Swift) and Android. That low-level foundation is why I can debug production crashes, reason about battery / memory / latency, and write custom Expo native modules when off-the-shelf packages fall short. WHAT YOU GET: an architect who scopes honestly, owns the design from data model to App-Store binary, and pushes back when a decision will hurt you in production.

Hi! If you need your own website / high performance mobile or desktop application, you can always contact me! So, I suggest to consider my skills. First of all, I write code to my satisfaction. It gives me a lot of motivation to earn experience and meet new customers. I love to communicate with people and solve their problems or give an advice. I am full-stack peogrammer. Here you can see a list of languages, which I use to create an art: ✴️ PHP (Also Laravel Framework and CodeIgniter) [6 years of experience] ✴️ JavaSript (Also JQuery and Vue 3) [6 years of experience] ✴️ Java (5 years of experience) ✴️ SQL (Mysql, MongoDB and others) [6 years of experience] ✴️ Webpack ✴️ Vite ✴️ Docker / Docker Composer 📑 Also I am good in next markup languages: ✴️ HTML 5 ✴️ CSS 3 (Also with flexbox / grid) ✴️ SCSS / SASS (preprocessors) ✴️ Bootstrap (It is possible to use it as needed) So, if you really interested in my skills, I will always ready to help you! 😉

Hello there, I'm a Java developer with over 7 years of experience building and improving backend systems and APIs. I focus on creating reliable, well-structured solutions for platforms that handle many users and complex operations. 🛠️ My main tools include: • Languages: Java, JavaScript, TypeScript, Python, PHP • Frameworks: Spring Boot, React, React Native, Node.js, Laravel, Symfony • Cloud & DevOps: AWS, Azure, Docker, Jenkins • Databases: MySQL, PostgreSQL, MongoDB, NoSQL • Methods: Agile, TDD, CI/CD, GitFlow • AI Tools: I use CursorAI and other AI daily for efficient coding. I'm skilled in designing system architecture, leading technical projects, and ensuring smooth performance. I'm ready to take on challenging projects, from upgrading existing codebases to building new features from the ground up. 💬 Let's start working on your project right now, just write me in DM!

I build Python automation tools, AI-powered scripts, and backend integrations that save time and reduce manual work. My core stack: Python, OpenAI/Claude API, REST APIs, web scraping, JavaScript/TypeScript, Node.js, PHP. What I've delivered: - AI editorial review tool — processes .docx manuscripts with automated annotations - YouTube Data Scraper — collects video, comment and channel stats via Data API - JARVIS — desktop AI assistant with voice recognition and GPT integration - Real-time network security scanner with WebSocket updates I write clean, documented code and deliver on time. Available for automation scripts, AI integrations, data pipelines, and API work.

I am a Java developer with over 14 years of experience building full stack applications, enterprise systems, and SaaS platforms 🚀 My focus 🎯 is on using Java, Spring Boot, React.js, PostgreSQL, and AWS to deliver reliable, scalable software. As a Java developer, I have delivered dozens of projects across industries and use cases. My backend work is built entirely with Java. I create secure APIs and microservices using Spring Boot. I have deep experience in system architecture, backend performance, and database design. Every project I take as a Java developer is written with clean, maintainable Java code. I know how to structure services that scale. As a Java backend developer, I have built and maintained systems for high-load traffic, third-party integrations, and complex business logic. I manage full backend pipelines, from architecture and development to deployment and monitoring. I use Spring Boot and follow best practices every Java developer should apply. I also work as a full stack Java developer, connecting Java backends with React.js and JavaScript frontends. I create dashboards, user interfaces, and admin tools that are fast, stable, and fully integrated. I know how to deliver full stack features without bottlenecks. I have led teams as a senior Java developer, mentoring other developers, reviewing Java code, and improving team performance. My clients rely on me not just for development, but also for decisions about architecture, data structure, and deployment strategy. As a Java developer, I care about the full picture. In most projects, I take the role of a Java spring developer and own the backend infrastructure. I work with Docker, PostgreSQL, REST APIs, and cloud services. I often work independently, taking full responsibility for both backend and frontend parts as a full stack developer. Being a professional Java developer means I deliver production-ready code, meet deadlines, and communicate clearly. I work well with teams or as a solo contributor. My background as a Java backend developer and Java spring developer allows me to adapt to different project needs. If you need a Java developer who can work on backend systems, full stack features, or cloud-based platforms, I am ready to help. Whether you need a senior Java developer, a Java backend developer, or a reliable full stack Java developer, I can take your project from idea to production. 🛠️ Core Skills: - Java developer - Java backend developer - Full stack Java developer - Java spring developer - Spring Boot microservices - React.js and JavaScript - PostgreSQL, AWS, Docker Let’s talk if you need a results-driven Java developer to join your team or take over delivery. ‼️ Message me for a free 40-minute consultation ‼️