About the Role:
We are looking for a highly skilled Backend Engineer to design, build, and scale high-performance distributed systems. The role involves working with modern backend technologies including Spring Boot, Apache Kafka, Cassandra, and PostgreSQL to build resilient, scalable, and real-time data-driven applications.
Key Responsibilities
• Design and develop scalable, high-performance backend services using Java and Spring Boot
• Build and maintain event-driven architectures using Apache Kafka
• Develop and optimize data models across:
o Cassandra (high-throughput, distributed workloads)
o PostgreSQL (transactional systems)
• Implement RESTful APIs and microservices architecture
• Ensure system performance, reliability, and scalability in production environments
• Work on data consistency strategies across distributed systems
• Collaborate with cross-functional teams including Product, DevOps, and Frontend engineers
• Participate in code reviews, architecture discussions, and technical design decisions
• Troubleshoot and resolve production issues and performance bottlenecks
• Write clean, maintainable, and testable code (unit/integration testing)
Required Skills & Qualifications
• Strong experience in Java and Spring Boot
• Hands-on experience with Apache Kafka (producers, consumers, streams, event design)
• Experience working with:
o Cassandra or other NoSQL distributed databases
o PostgreSQL or relational databases
• Solid understanding of:
o Microservices architecture
o Distributed systems concepts
o Event-driven systems
• Experience in designing RESTful APIs
• Knowledge of data modeling for both RDBMS and NoSQL
• Familiarity with containerization (Docker) and deployment pipelines
• Strong problem-solving and debugging skills
Good to Have
• Experience in payment systems, UPI, or financial services is highly preferred.
• Knowledge of message-driven patterns (event sourcing, CQRS)
• Experience in high-throughput, low-latency systems (like payments/UPI domain)
• Exposure to monitoring tools (Prometheus, Grafana, ELK)
• Understanding of security best practices
• Experience working in Agile/Scrum environments
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