Java developer distributed systems

Vention is a global engineering partner to tech leaders and fast-growing startups. It combines product development expertise with an AI-first approach and delivers Java solutions, including web and mobile applications, system integrations, app modernization, and large-scale migration projects.

• Develop and maintain Java and Spring Boot backend services, delivering features, 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 Git Lab CI/CD
• Maintain unit and integration test coverage that meets Ja Co Co  quality gates
• Improve system reliability through observability, resilience patterns, safe canary deployments, and production deployments gated by Datadog monitors

• 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 ownership of production services in a distributed systems environment
• Experience building APIs with Netflix DGS or consuming GraphQL APIs using the Apollo Java/Kotlin client
• Hands-on experience with event-driven distributed systems using AWS SQS, Apache Kafka, or RabbitMQ
• Strong experience with JPA/Hibernate and Spring Data JPA with MySQL/Aurora, including transactional design and optimistic locking
• Experience with JUnit 5, Mockito, and integration testing against live environments
• Experience with Gradle multi-module builds
• Experience with Git Lab CI/CD pipelines
• Experience with Datadog metrics, monitoring, and production/ deployment monitors
• Responsible use of AI coding assistants such as Git Hub Copilot or Claude while maintaining code quality and correctness
• English B2 or higher

• 24 Working days of vacation per year
• Expanded medical insurance
• Corporate getaways and team-building activities
• Fitpass sport program
• Support for significant life events
• Discounts at stores, restaurants, and cafes through a corporate discount program
• Referral bonuses for bringing in new talent
• Corporate EDU community with 300+ members, tech communities, interest clubs, events, a small R&D lab, a knowledge base, and a dedicated AI track
• Licenses for AI tools, including Git Hub Copilot and Cursor