Sr. Backend Developer

As a Senior Java Backend Developer at MostEdge, you will play a crucial role in architecting and maintaining critical backend services that support thousands of retailers and process hundreds of thousands of transactions per hour in real time. You will work closely with engineering leadership and cross-functional teams to scale the core platform and ensure it delivers measurable business outcomes. **Key Responsibilities:** - Architect Enterprise-Grade Java Services: - Build and optimize scalable, high-availability Spring Boot microservices for OLTP applications and commerce APIs. - Scale Transaction-Heavy Systems: - Design for concurrency, consistency, and resiliency across large data volumes and high-throughput workloads. - Lead in Microservices Design: - Guide the evolution of service architecture using Kafka, Kubernetes, and S3-compatible storage. - Operate in a Multi-Cloud Environment: - Deploy systems across AWS, GCP, and RunPod with Dockerized workloads and automated CI/CD pipelines. - Contribute to Agile Execution & Documentation: - Participate in Jira-based sprint planning, review PRs, and maintain technical documentation for engineering scale. In this role, you will have lead ownership of microservices powering real-time retail systems, contribute to processing 120,000+ transactions per hour, guide database modeling across MongoDB, MariaDB, PostgreSQL, MySQL, and drive performance standards across backend teams. **Qualifications Required:** - 10+ years of backend development experience using Java (Spring Boot) - Proven expertise in building and scaling high-volume OLTP systems - Strong knowledge of MongoDB, MariaDB, MySQL, PostgreSQL, Kafka, Kubernetes, Docker, and S3 storage - Experience in Agile development with tools like Jira and Confluence - Strong system design and architecture skills, including distributed systems and failure recovery **Additional Details:** At MostEdge, the values we uphold include leading with purpose, building trust, owning the outcome, winning together, and keeping it simple. We believe in designing systems that improve lives at scale, owning quality, committing deeply, mentoring peers, and cutting through complexity with clean design. **Note:** The job type for this position is full-time with benefits such as health insurance, life insurance, paid sick time, paid time off, and Provident Fund. The work location is in person. Apply now if you value reliability, clarity, and ownership, and if you are ready to move fast like a startup while building like an enterprise.,