Hire the Best Core Java Developers
in Turkey

⚡ Backend systems should not become fragile over time; they must stay maintainable, scalable, and reliable as products grow. I am a Backend Engineer specializing in Java, Kotlin, and Spring Boot, focused on building production-grade systems where clean architecture, long-term maintainability, and stability are critical. I combine strong backend engineering practices with practical system design to create APIs and services that remain easy to extend, debug, and operate in real-world environments. Clients work with me when system quality, clean code, and scalable backend architecture matter, not just feature delivery. 🏆 Proven Engineering Approach ✔ Clean, maintainable backend architecture ✔ Production-focused development mindset ✔ Long-term scalability and reliability focus ✔ Clear communication and structured collaboration 🚀 Core Capabilities ☕ Backend Engineering with Java & Kotlin • Spring Boot application development • REST API design & implementation • Business logic architecture • Secure and maintainable backend systems • Performance-focused backend development 🏗 Scalable System Architecture • Microservice-based architectures • Modular and maintainable code structure • Service communication patterns • Production-ready backend design • Reliability and scalability optimization 🗄 Database & Persistence Engineering • PostgreSQL, MySQL, MongoDB • Hibernate / JPA / Spring Data JPA • Query optimization & data modeling • Relational and NoSQL database design ⚙ Development & DevOps Workflow • Docker-based environments • Git-based development workflows • Unit & integration testing • CI/CD-friendly project structures 🔍 Engineering Focus 🏢 Enterprise & Business Platforms Scalable APIs • backend services • maintainable systems 🚀 Startup Products & SaaS Platforms Fast iteration • clean architecture • long-term scalability 💡 Engineering Mindset • Architecture-first thinking • Clean and understandable code • Simplicity over over-engineering • Production reliability focus • Ownership from development to deployment • Long-term maintainability mindset 🧰 Technical Stack Java • Kotlin Spring Boot • Spring MVC • Spring Data JPA REST APIs • Microservices PostgreSQL • MySQL • MongoDB Hibernate • JPA Docker • Git ✨ Why Clients Choose Me ⭐ Clean and maintainable backend architecture ⭐ Scalable production-ready systems ⭐ Strong Java & Kotlin expertise ⭐ Clear communication & accountability ⭐ Reliable engineering mindset 🚀 Ready to Build Stable, Scalable Backend Systems? If you need a backend engineer who cares about clean architecture, maintainable systems, and production reliability, I am ready to help. Let us build backend systems that stay reliable, scalable, and easy to maintain long after launch.

Hi, I am a motivated senior software developer who strives for excellence in work. I have been working remotely for the last 6 years since pandemic. I have worked with a few US company for more than 2 years. I have just started working on freelancing on Upwork. My goal is to prove my skills and knowledge to clients for now. Briefly, I have experience for more than 10 years in Java software development. I have a strong academic background in Computer Science. I am specialized in Spring framework and Spring Boot. 𝐎𝐔𝐓𝐒𝐓𝐀𝐍𝐃𝐈𝐍𝐆𝐒 - Ability to design and develop micro-services and Restful APIs effectively in Java 8+, Java 17 and Java 21 - Spring Web, MVC, Kafka, JPA, Hibernate, JDBC, Reactive Programming, Webflux - SQL and NoSQL, MongoDB, PostgreSQL, MySQL, Snowflake, DBT - OAuth 2.0 , JWT / API Key, Spring Security 𝐅𝐑𝐎𝐍𝐓-𝐄𝐍𝐃 - React, Redux - Javascript, HTML, CSS, Tailwind CSS

I am a Software Developer who loves building strong backend services, RESTful APIs, and system architectures using Java. My main goal is to turn your business needs into clean, fast, and high-performing technical solutions. My primary focus is backend development, but I also have full-stack web development experience. This helps me understand the whole software lifecycle, work easily with frontend teams, and deliver complete web applications when needed. 🔹 What I Can Do For You: Backend Architecture: I don't just write code; I design systems. I can help you from database design (Relational & NoSQL) all the way to deployment. API Development: I build secure, fast, and well-documented RESTful APIs that connect your systems smoothly. Database Design & Optimization: I create clean database schemas and optimize queries to make sure your application runs fast. Full-Stack Flexibility: I can also work on the frontend when necessary to make sure everything works perfectly together. 🔹 Tech Stack: Backend: Java, Spring Boot, Hibernate / JPA Architecture: RESTful APIs, Microservices, MVC Databases: PostgreSQL, MySQL, MongoDB Frontend: HTML, CSS, JavaScript Tools & DevOps: Git, Docker, Maven/Gradle, Postman Practices: Clean Code, SOLID Principles, OOP

I specialize in designing and developing robust, scalable, and secure web applications from end to end. I have a solid foundation in both front-end and back-end technologies, and I bring a practical, solution-oriented mindset to every project I take on. My backend expertise lies in Java and Spring Boot, where I build RESTful APIs, implement business logic, and manage databases with PostgreSQL. I follow clean code principles and design patterns to ensure maintainability and scalability. On the front-end, I work with HTML, CSS, JavaScript, and React.js, creating responsive and intuitive user interfaces. I focus on user experience, performance optimization, and cross-browser compatibility. I also use tools like Axios for API communication and Redux for efficient state management when needed. Version control (Git), containerization basics (Docker), and deployment to cloud platforms are part of my development workflow. I write clear documentation, perform thorough testing, and communicate proactively to ensure that the final product exceeds expectations. What sets me apart is my dedication to writing clean, efficient, and well-tested code, my strong grasp of full project lifecycles, and my genuine passion for turning ideas into high-quality digital solutions. Whether you're a startup needing a quick MVP or a business looking to modernize your systems, I'm here to help.

Hello, Graduated from computer engineering. Developing java based web and desktop applications for about 7 years. Worked as a full stack developer in ERP, file management and security projects with java spring boot as backend and react.js in frontend. Used APIs and communicated third party APIs in my projects. Please, contact me to discuss the details of your project. The main technologies I use : Java, Spring boot, Spring Data, Spring MVC React Js, JSF, JSP, HTML, css, Javascript PostgreSQL, DB2, MySQL, MSSQL Redis Websphere,Apache Tomcat Jasper Reporting Tool, SSRS Git, TFS Azure Devops