java developer for high-load microservices

Astra Tech operates in the technology and internet sector.

• Design, develop, test, and maintain scalable backend applications using Java and Spring Boot;
• Design and implement RESTful APIs and distributed services;
• Participate in system architecture and technical solution design;
• Build reliable and high-performance microservices and distributed systems;
• Work with relational and NoSQL databases, including database schema design, query optimization, and performance tuning;
• Integrate with internal and external systems through APIs, messaging systems, and event-driven architectures;
• Troubleshoot complex production issues and perform root cause analysis;
• Improve application performance, scalability, availability, and security;
• Write clean, maintainable, testable, and well-documented code;
• Conduct code reviews and ensure engineering standards and best practices are followed;
• Collaborate with DevOps/SRE teams on deployment, monitoring, CI/CD, and production operations;
• Participate in technical discussions and contribute to architecture and technology decisions;
• Mentor junior and mid-level developers and provide technical guidance;
• Continuously improve development processes, engineering practices, and system reliability.

• Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience;
• 5+ Years of professional software development experience with strong Java backend experience;
• Strong knowledge of Java 8/11/17+ and the Java ecosystem;
• Solid experience with Spring Boot, Spring Framework, Spring MVC, and Spring Data;
• Strong understanding of object-oriented programming, design patterns, data structures, and algorithms;
• Experience building and maintaining microservices and distributed systems;
• Strong knowledge of REST APIs, HTTP, JSON, and API design principles;
• Hands-on experience with relational databases such as PostgreSQL, MySQL, or Oracle;
• Experience with caching technologies such as Redis;
• Experience with messaging systems such as Kafka, RabbitMQ, or similar technologies;
• Good understanding of concurrency, multithreading, JVM internals, and application performance optimization;
• Experience with Git, Maven/Gradle, Docker, and CI/CD pipelines;
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud;
• Strong troubleshooting and problem-solving skills;
• Good understanding of software engineering principles, including SOLID, Clean Code, automated testing, and code review practices;
• Good communication skills and ability to work effectively in an international and cross-functional team;
• Professional working proficiency in English;
• Nice to have: experience with Kubernetes and container orchestration, high-availability and high-concurrency systems, event-driven architecture and domain-driven design (DDD), observability tools such as Prometheus, Grafana, ELK, database sharding, distributed transactions or large-scale data processing, application security, OAuth 2.0, OIDC, JWT and API security, FinTech, Banking, Payments, E-commerce or other high-transaction-volume industries, systems with strict requirements around reliability, consistency, reconciliation and auditability.

• Office role in Tbilisi, Georgia.