Job Description

We are looking for a Senior Java Engineer to develop and maintain backend services for distributed billing and account management systems. The mandatory requirements are 4+ years of Java and Spring Boot experience, GraphQL with Netflix DGS or Apollo Java/Kotlin Client, event-driven systems, and strong Spring Data JPA and CI/CD experience. RECRUITMENT PROCESS 1. Application — Share a few details about your experience and background. 2. Coding Challenge — If applicable, complete it in the coding language you are most comfortable with. 3. Video Interview — Record a short video introduction in English. 4. Technical Interview or Hiring Manager Interview — Discuss your experience and fit for the role. 5. Offer — If it’s a match, you’ll receive an offer. WHAT YOU’LL GAIN - Remote work — Work from where you feel most productive. - Local presence in India — Work in a structured and compliant environment aligned with Indian regulations. - Competitive compensation in INR — Receive compensation in INR, plus support for learning, education, and wellness. - Exciting projects — Work with modern technologies for global clients and fast-growing companies. MUST HAVES - 4+ years of hands-on backend engineering with Java and Spring Boot 3 , building production microservices. - Senior level with demonstrated ownership of production services in a distributed-systems environment. - Experience with GraphQL , either building APIs with Netflix DGS or consuming them via the Apollo Java/Kotlin client. - Hands-on experience with event-driven, distributed systems using AWS SQS, Apache Kafka, or RabbitMQ . - Strong JPA/Hibernate and Spring Data JPA experience with MySQL/Aurora , including transactional design and optimistic locking. - Proficiency writing JUnit 5 unit tests with Mockito and integration tests against live environments. - Experience with Gradle multi-module builds . - Experience with GitLab CI/CD pipelines . - Experience with Datadog for metrics and monitors. - Responsible use of AI coding assistants (e.g., GitHub Copilot, Claude) to accelerate development while maintaining code quality and correctness. - Upper-Intermediate English level. NICE TO HAVES - Prior experience in the Billing or Payments domain. - Experience with DynamoDB (AWS SDK v2) and/or MongoDB (Spring Data) in a multi-store architecture. WHAT YOU WILL DO - Develop and maintain backend Java/Spring Boot services, contributing feature development, bug fixes, and reliability improvements across billing and account management services. - Solve problems involving transactional consistency, event-driven correctness, notification reliability at scale, and safe multi-entity migrations for advertisers globally. - Keep advertiser billing accounts accurate, compliant, and synchronized across multiple datastores (MySQL, DynamoDB, MongoDB) and external platforms (Zuora). - Deliver production-ready features and bug fixes through GitLab CI, ensuring unit and integration test coverage meets JaCoCo quality gates. - Strengthen system reliability through improved observability, resilience patterns, and safe canary and production deployments gated by Datadog monitors.