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👋 Hi, I am an Oracle Certified full-stack Java developer with 10+ years of experience in software development. 🚀 What I Offer: ✔️ Expert in Java and full-stack development, from backend to frontend ✔️ High-quality, scalable, and maintainable code ✔️ Great communication, proactiveness, and attention to detail ✔️ Ability to work independently or as part of a team 💡 Need help with a Java-related project? Let’s build something amazing together! Tech Stack: 💻 Programming Languages: Java | TypeScript | JavaScript 🖥️ Frontend: Angular | Jasmine | Playwright ⚙️ Backend: Spring Boot | Spring Framework (Spring MVC, Spring Security, Spring Data etc.) | Java EE (JSP, JSF, EJB, JPA) | Hibernate | JUnit | Spock Framework | Testcontainers | Mockito 🖥️ Desktop Applications: JavaFX 🗄️ Databases: MongoDB | PostgreSQL | Oracle Database | MSSQL | MySQL 🚀 DevOps & CI/CD: Docker | Docker Compose | Kubernetes | Jenkins | SonarQube 📡 Protocols & APIs: HTTP, HTTPS, SFTP, SSH | REST, SOAP | AMQP 🛠️ Build Tools: Maven | Gradle | Ant 📩 Let's connect! I’d love to discuss how I can contribute to your project.

I help companies build and improve Java backend systems, API integrations, and scalable product architecture. With 13+ years of experience, I work with startups and established companies on backend development, third-party integrations, architecture decisions, and long-term product improvement. I’m a good fit if you need to: - build or extend a Java backend application - integrate external APIs, payment providers, or third-party services - improve architecture in an existing product - optimize performance, reliability, and database queries - estimate technical scope before development starts - AI features such as RAG, vector search, or LLM integrations to an existing backend Core stack: - Java, Kotlin - Spring Boot, Spring MVC, Spring Security, Spring Data, Hibernate, JPA, jOOQ - PostgreSQL, MySQL, MongoDB, Oracle REST APIs, SOAP, backend integrations - GitLab, Bitbucket, Jenkins, Fastlane I also work with AI backend integrations, including Spring AI, MCP servers and tools, OpenAI/Groq/OpenRouter integrations, embeddings, vector databases, and RAG architecture. Feel free to message me if you need a backend architecture review, API integration estimate, or help with improving an existing Java product.

Full-stack developer specializing in web applications built with Node.js, Next.js, and the MERN stack — now extending into LLM application development: AI-powered web apps, autonomous agents, and workflow automation using Claude/GPT/Gemini APIs, RAG, and multi-model pipelines. Other experiences over 14 years of development include: - C/C++ - Javascript (Node.js/React.js/Next.js, jQuery 3+) - MySQL/MongoDB database design - HTML5 + CSS3 (sass/scss) - Sphinx FullText search implementation on high load systems - XML/JSON parsing - Version control tools (Git, Github) - Experience in integrating third-party APIs (Twilio, Google, GitHub, SOAP, ChatGPT etc) - RESTFull API development experience - Advanced Linux user - AWS, Docker - SmartZone API, Radius client My value as a developer is not only about the technical skills, but also about creativity at problem solving and good system design. I work on a consistent schedule and I don't suddenly fall silent or disappear just like that.

I’m an expert PHP Back-End developer with 12+ years of experience. Top Rated, 100% Job Success! I feel comfortable working with: -PrestaShop (20+ years); -OpenCart (20+ years); -SilverStripe (15+ years); PHP, MySQL, PostgreSQL, JavaScript, HTML, CSS, jQuery, XML, SOAP, JSON, GIT... Custom extensions, modules, plugins, API integrations, migrations, bug fixes. Design to PHP website. ---Front-End jobs only if it's part of Back-End job.--- !NO Wordpress please!

Main skills: Frontend: HTML/CSS(SCSS)/js(jquery/Vue/React(next)) Backend PHP: PHP/PHP(Wp+Wooccommerce) Backend Python: Python/Python(Django, Flask, FastAPI) DevOps: Ansible, Kubernetes, Terraform, Google Cloud Platform, GitLab, VictoriaMetrics, Grafana, Prometheus, CI/CD Design: UI/UX, Figma, Photoshop Other skills: AI frameworks: Tensorflow, PyTorch, Keras Development of bots for Telegram, Viber, WhatsApp, Instagram Parsers: Selenium, Scrapy, bs4 Message Brokers: RabbitMQ, Kafka R: RStudio, Shiny, dplyr, httr, RCurl, DT, cronR, Sockets, leaflet etc Operating Systems: Linux(Ubuntu), Windows DBMS: MySQL, PostgreSQL, MongoDB, Redis Tools: Celery, RabbitMQ, Docker, Jira, OpenCV, Numpy, Matplotlib, Scipy, Pandas, Apache Spark, SciPy, Subprocess, Websockets, aiohttp, asyncio, REST API, SOAP, Docker, GIT, SVN Industry Knowledge: Math, Statistics, Probability theory, Decision Theory