Senior Java Engineer
Summary
Senior Java Engineer in Tbilisi developing and maintaining Java/Spring Boot microservices for advertiser billing (BAM) services — solving distributed-systems challenges with GraphQL, event-driven messaging (SQS/Kafka/RabbitMQ), MySQL/Aurora, DynamoDB and MongoDB, plus reliability work via Datadog monitors and GitLab CI/CD.
- 5+ years of hands-on backend engineering experience with Java and Spring Boot 3, building and maintaining production microservices
- Mid-to-senior level engineering background with demonstrated ownership of production services in a distributed systems environment
- Experience with GraphQL: either building APIs with Netflix DGS or consuming GraphQL APIs using the Apollo Java/Kotlin client
- Hands-on experience with event-driven distributed systems using at least one of AWS SQS, Apache Kafka, or RabbitMQ
- Strong experience with JPA/Hibernate and Spring Data JPA with MySQL/Aurora, including transactional design and optimistic locking
- Strong testing experience with JUnit 5, Mockito, and integration testing against live environments
- Experience with Gradle multi-module builds
- Experience with GitLab CI/CD pipelines
- Experience with Datadog, including metrics, monitoring, and production/deployment monitors
- Responsible use of AI coding assistants such as GitHub Copilot or Claude to accelerate development while maintaining code quality and correctness
- English level B2 or higher
- Develop and maintain Java / Spring Boot backend services, delivering feature development, bug fixes, and reliability improvements across BAM services
- Solve distributed systems challenges, including transactional consistency, event-driven correctness, notification reliability at scale, and safe multi-entity migrations
- Keep advertiser billing accounts accurate, compliant, and synchronized across MySQL / Aurora, DynamoDB, MongoDB, and external platforms such as Zuora
- Deliver production-ready features and fixes through GitLab CI/CD
- Maintain strong unit and integration test coverage that meets JaCoCo quality gates
- Improve system reliability through better observability, resilience patterns, safe canary deployments, and production deployments gated by Datadog monitors
Vention is a global engineering partner to tech leaders and fast-growing startups, combining 20+ years of product development expertise with an AI-first approach and a reputation for reliable delivery.
We’ve been building Java solutions since day one, with a team of 200+ engineers delivering everything from web and mobile applications to complex system integrations. Our expertise spans Java/J2EE development, app modernization, and large-scale migration projects.
- EDU corporate community (300+ members): tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
- Licenses for AI tools: GitHub Copilot, Cursor, and others
- 24 working days of vacation per year
- Expanded medical insurance
- Corporate getaways & team building activities
- Fitpass sport program
- Support for significant life events
- Access to discounts across a variety of stores, restaurants & cafes through a corporate discount program
- Referral bonuses for bringing in new talent