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Батыр Орынбасар

@batyr-orynbasar

Middle Java Backend Developer | Java · Spring Boot

I work mostly with Java and Spring Boot, and I like figuring out how to make backend systems more reliable. At hackathons, I helped build an AI platform with RAG and a CRM system, taking home 1st and 3rd place.

Career

Experience: 1 years

Experience

Java Backend Developer

Dara Solutions LLP

Jul 2025 — Sep 2026

Built and improved Java and Spring Boot backend features for an educational platform serving up to 100,000 users.

• Developed and optimized backend functionality in Java and Spring Boot for an educational platform serving up to 100,000 users. • Improved existing business logic and system components, focusing on performance, stability and scalability under high load. • Built new features and fixed bugs in existing services, increasing the reliability of user flows. • Analyzed and refined the existing implementation, simplifying business operations and system maintenance. • Worked with frontend components when needed to ensure end-to-end user flows functioned correctly.

Backend Developer

sitedev.com

Collaborative work on client projects

Sep 2026 — Nov 2026

Developed client software, including CRM features, accounting data processing and automation of technical and operational tasks.

• Develop software solutions for clients, from processing and structuring accounting data to automating technical and operational processes. • Contribute to building CRM systems that streamline client management, business data and internal company processes. • Analyze client requirements and translate business needs into technical solutions. • Develop and enhance application functionality tailored to client needs. • Automate repetitive operations, reducing manual work and simplifying business processes.

Education

Bachelor's Degree, Computer Software Engineer

International IT University (IITU)

Achievements

1st place for an AI platform with RAG architecture at a hackathon

3rd place for a CRM system at a hackathon

Skills

JavaSpring BootSpring SecurityREST APIHibernate/JPASQLPostgreSQLSQLiteRedis1CDockerDocker ComposeJenkinsCI/CDApache KafkaRabbitMQExternal APIGitGitLabMaven