Java SDE III (Senior Software Development Engineer)

Experience: 58 Years

Location: Bangalore (Work From Office)

Interview Mode: Face-to-Face

About the Role:

We are looking for a highly skilled Java SDE III who has strong expertise in core computer science fundamentals, backend engineering, distributed systems, and system design. The ideal candidate will be hands-on, performance-focused, and capable of building highly scalable and resilient services.

Key Responsibilities :

• Design, develop, and optimize high-performance backend systems and microservices.
• Implement scalable APIs with clean architecture and strong coding practices.
• Build distributed systems with high availability, low latency, and zero single points of failure.
• Adopt resilience patterns like circuit breaker, back pressure, caching, graceful degradation, and fallback.
• Write clean, testable, maintainable, and production-ready code in Java.
• Collaborate with architects and cross-functional teams to drive system design and scalability.
• Troubleshoot complex production issues with strong debugging and profiling skills.

Mandatory Skills :

Programming & Core CS

• Strong programming expertise in Java
• Deep understanding of Collections, Polymorphism, Design Patterns
• Strong proficiency in Data Structures & Algorithms with performance considerations
• Experience with Java advanced concepts: Annotations, Lambdas, Streams, Concurrency

Backend & APIs

• Hands-on experience with REST frameworks (Spring Boot preferred)
• Understanding of REST maturity models and API best practices

Distributed Systems & Reliability

• Experience designing distributed, fault-tolerant, scalable systems
• Experience implementing resilience patterns:
• Circuit breaker, fallback, graceful degradation
• Back pressure, caching, request collapsing
• Familiarity with Resilience4J / Hystrix
• Strong understanding of CAP theorem, microservices scaling (cloning, sharding)

Secondary / Nice-to-Have Skills:

• Knowledge of gRPC, Thrift, Protobuf
• Understanding of networking protocols: TCP, UDP, HTTP/2, SSL
• Experience with load balancing & adaptive routing strategies
• Experience with CQRS, Event Sourcing, Eventual Consistency
• Exposure to:
• Redis, Memcache, EHCache, Hazelcast, Aerospike
• Application servers: Tomcat, Jetty, Undertow, Netty, Embedded servers
• Experience with streaming/messaging systems:
• Kafka, Spark, Flink, Storm
• Understanding of 12-factor app principles and service ecosystem:
• API Gateway, Service Discovery, Config Management, Feature Flags