Hire the Best Java Developers
in Kazakhstan

Senior Backend Engineer with 11+ years building high-load systems for banks and fintech companies in Kazakhstan and Europe. Selected results: — Integrated 10+ payment systems (Kaspi, Halyk, BCC and international providers) into production platforms handling real money transactions — Optimized a POS application running on ~5,000 terminals, achieving a 43% performance improvement — Built backend integration with 15 government APIs for a bank's e-government platform, plus a custom load balancer and rate limiter to cut downtime under high load — Delivered credit scoring logic (PL/SQL) for a system processing ~10M loan applications daily for one of Kazakhstan's largest banks Tech stack: Java (8–17), Kotlin, Spring Boot, PostgreSQL, Oracle SQL/PL-SQL, MongoDB, RabbitMQ, Docker, Google Cloud I work best on backend systems where reliability and correctness matter — payments, banking integrations, high-load APIs. Happy to discuss your project and how I can help.

I am a senior developer with experience from high-load banking systems to startup products for small and medium businesses. I have experience as a head of dev team, built many systems using microservice architecture Also have experience with - Java, Spring boot - Backend development, REST, GraphQL - Angular, Nuxt (Vue) for Web development, - Kubernetes for deployment in high load systems, - Docker compose for small projects, - have exp in Nginx configuration. I prefer to work with a clearly defined technical task, with Agile methodology

I’m a game developer experienced in building games. I worked also as a Qa engineer, Knows Unity, Manual and auto testing Regular communication is important to me, so let’s keep in touch.

Greetings! I'm a senior web developer and certified java programmer with 20+ years of experience incorporating user and business requirements into cost-effective, secure and user-friendly solutions. I have a strong background in IT, Manufacturing & Business Process Automation, Neural Networks. I'm currently focused on full-stack software development, building projects from ground up. Technology Summary Java, J2EE, JavaScript, HTML5, Node.js, MongoDB, SQL, Linux, AWS, C++, Rust, AngularJS, React

Hello, I'm a software / data engineer with 14+ years experience. I'm searching for long term projects based on Java / Python / Spark / AWS. I'm always open to learning new technologies. Stack of technologies: Language: Python / Java Technologies and Frameworks: Spring-Framework, Spring-boot, Spring-security, REST Services. Database Access: JDBC, JPA/Hibernate, Querydsl Databases: PostgreSQL, MySQL, Oracle, MS SQL. Unit Testing Tools: JUnit, TestNG, Mockito Reporting Tools: JasperReport, iText Version Control Systems: Git, SVN Project management & Building tool: Maven, Gradle, Ant Other Stuff: Microservices, Docker Bug tracking: JIRA, Redmine, Trello

Hello! I'm a passionate software developer with experience in Java, Python, web development, and cloud computing. I enjoy building smart and scalable applications, integrating AI-powered APIs, and ensuring software quality through testing. Projects I’ve Worked On: ✓ Web & Backend Development: Built and maintained various web applications using HTML, CSS, JavaScript, Streamlit, Java, Python & Kotlin. ✓ Cloud Computing: Designed and deployed VPS solutions on AWS, and worked on multi-objective optimization for an optimal cruise control system. ✓ AI-Enhanced Web Applications: Integrated AI APIs to enhance web solutions & participated in a HackParty coding competition in Rome where we built an extension for Google Chrome using Lara translate API. ✓ Machine Learning: Developed models for pulmonary nodule classification, applying machine learning techniques to assist in medical diagnostics. What I offer: • Web Development: Full-stack solutions using Java, Python, HTML, CSS, JavaScript, & Streamlit • AI-Powered Web Applications: Implement AI-driven features into web apps using APIs • Software Testing & QA: Functional, performance, and usability testing • Cloud Services: AWS deployment, server setup, web hosting • Technical Teaching: Web development & Intro to programming (Java, Python) • Prompt Engineering – Designing and optimizing prompts for AI models. I love working on challenging projects and bringing ideas to life through technology. Let’s collaborate and build something great together! Feel free to message me to discuss your project!