Java Backend Developer

Pinnacle99 INC

India

Backend Software Engineer – Billing & Account Management

Location: India

Time Zone: IST

Contract: Long-Term Contract through March 2027

Work Arrangement: Remote

Experience: 5+ Years

Role: Backend Software Engineer

About the Role

We are looking for a Backend Software Engineer with strong hands-on experience in Java, Spring Boot, microservices, and distributed systems to support a high-impact Billing & Account Management platform.

This role is ideal for a mid-to-senior backend engineer who has experience building and maintaining production-grade, event-driven services and working with transactional financial or business-critical data.

Key Responsibilities

Design, develop, maintain, and enhance backend services using Java and Spring Boot 3.
Build and support scalable microservices in distributed environments.
Develop event-driven services using AWS SQS, Apache Kafka, or RabbitMQ.
Design reliable and idempotent event handlers.
Work with JPA/Hibernate and Spring Data JPA for transactional data processing.
Design and maintain database solutions using MySQL/AWS Aurora.
Implement transactional consistency, optimistic locking, and production database migrations.
Integrate backend services with external REST APIs and third-party platforms/SDKs.
Develop unit and integration tests using JUnit 5 and Mockito.
Contribute to Gradle multi-module builds and GitLab CI/CD pipelines.
Monitor application health, metrics, and deployment quality using Datadog.
Troubleshoot production issues and improve system reliability, resilience, and observability.
Participate in safe deployments, canary releases, and production support.
Use AI coding assistants such as GitHub Copilot or Claude responsibly to improve engineering productivity while maintaining code quality.

Required Qualifications

5+ years of professional backend software engineering experience.
Strong hands-on experience with Java and Spring Boot 3.
Proven experience developing production microservices.
Strong understanding of distributed systems and event-driven architecture.
Hands-on experience with at least one of:
Apache Kafka
AWS SQS
RabbitMQ
Experience designing idempotent event processing/handlers.
Strong experience with JPA/Hibernate and Spring Data JPA.
Production experience with MySQL or AWS Aurora.
Understanding of transactions, optimistic locking, and database schema migrations.
Experience with JUnit 5, Mockito, and integration testing.
Experience with Gradle, including multi-module projects.
Hands-on experience with GitLab CI/CD.
Experience with Datadog metrics, monitoring, and alerts.
Experience integrating applications with REST APIs or third-party SDKs.
Strong problem-solving and production troubleshooting skills.

Preferred Qualifications

Experience in Billing, Payments, Revenue Systems, or Financial Technology.
Experience with GraphQL.
Netflix DGS experience.
Experience with DynamoDB and AWS SDK v2.
Experience with MongoDB / Spring Data MongoDB.
Experience working with multiple datastores in a single architecture.
Experience with Zuora or similar billing platforms.
Experience with reliability engineering, canary deployments, and deployment quality gates.

Ideal Candidate

The ideal candidate has built and supported production backend services that:

Consume events → process them reliably/idempotently → persist transactional data → integrate with external platforms → pass automated tests → deploy through CI/CD → monitor through Datadog.

Candidates with strong Java/Spring Boot backend engineering plus distributed systems and event-driven architecture experience are encouraged to apply.

Interested candidates, please share your updated resume along with your availability and location.

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