Hire the Best Core Java Developers
in Lithuania

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.

👋 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.

Full-Stack Engineer | Java Spring Boot | Angular | Python | Node.js | MEAN / MERN | Cloud, AI & DevOps (AWS) Hi, I’m Muhammad Talha, a results-driven Full-Stack Developer with over 8 years of hands-on experience building secure, scalable, and high-performance applications. I have successfully delivered end-to-end solutions for industries including Banking, IoT, and Healthcare, transforming complex business requirements into production-ready software. I specialize in working across the full software development lifecycle. From understanding business needs and designing robust system architectures to developing clean, maintainable code and deploying applications to cloud environments, I take full ownership of the development process to ensure reliable and efficient outcomes. **Backend Development** I have strong expertise in Java and Spring Boot, with extensive experience building RESTful APIs, microservices-based architectures, and secure backend systems. I focus on performance, scalability, and clean code practices using Hibernate and industry-standard design patterns. **Frontend Development** On the frontend, I develop modern, responsive, and user-friendly interfaces using Angular, React, TypeScript, and Material UI. I ensure seamless integration between frontend and backend systems, delivering smooth user experiences across devices. **Cloud & DevOps** I work with AWS to deploy and manage scalable cloud-based applications. My DevOps experience includes Docker, Kubernetes, and CI/CD pipelines, enabling automated, reliable, and efficient deployments while minimizing downtime. **Databases** I have worked extensively with both relational and NoSQL databases, including MySQL, PostgreSQL, and MongoDB. I design optimized data models and queries to ensure performance, reliability, and data integrity. **Best Practices & Quality** I follow SOLID principles, Test-Driven Development (TDD), and proven design patterns to build maintainable and future-proof applications. Performance optimization, security, and long-term scalability are always top priorities in my work. Clients value my problem-solving mindset, clear and proactive communication, and commitment to delivering high-quality solutions on time. If you’re looking for a dependable full-stack developer who can take ownership of your project and turn your ideas into a reliable, scalable product, I’d be happy to connect and discuss your requirements.