Senior Backend Engineer (Java | Reactive | Microservices)

Sarvaha is looking for a Lead/Senior Java Developer with 5 years of experience (10 years preferred) and strong expertise in Java, system design, and reactive microservices to architect and build high-throughput, cloud-native, event-driven microservices platforms . Sarvaha is a niche software development company that works with some of the best funded startups and established companies across the globe. Please visit our website at to know more about us. What You’ll Do Design and develop scalable micro-services using Java 17 and Spring Boot Solid experience with Spring WebFlux & reactive programming Proven production experience with Kafka (Producers, Consumers, Kafka Streams) Develop secure, high-throughput REST APIs Hands-on experience with AWS (EC2, S3, Lambda, SNS/SQS) and/or Azure Event Hub Experience with REST APIs, asynchronous programming, and non-blocking I/O Collaborate with DevOps to ensure reliability, tracing, and observability of systems Participate in code reviews, mentor team members, and promote engineering best practices Troubleshoot and resolve production issues in distributed systems You Bring BE/BTech/MTech (CS/IT or MCA) with strong software engineering fundamentals Strong expertise in the Spring ecosystem (Spring Boot, Web, Data) Strong knowledge of Spring WebFlux , Project Reactor , and non-blocking I/O Solid understanding of Kafka (Producers, Consumers, Streams) and message-driven design Experience with AWS (EC2, S3, Lambda, SNS/SQS) or Azure SDKs and Event Hub Expertise in designing and developing high-performance, resilient, and observable systems Exposure to Docker, CI/CD pipelines, and Kubernetes (preferred) Familiarity with microservices testing strategies like contract testing , mocking, & test containers Strong problem-solving abilities & system design thinking (caching, partitioning, load balancing) Clear communication, love for documentation, and mentoring to programmers on the team What Sets You Apart Monitoring experience with Grafana, Prometheus, ELK, or Datadog Excellent collaboration with cross-functional teams—developers, DevOps, QA Knowledge of both AWS and Azure is a strong plus Why Join Sarvaha? Work on challenging, real-world distributed systems Remote-first culture (WFH even before the pandemic) Collaborate with high-caliber global teams Strong focus on engineering quality & architecture Competitive compensation and long-term growth opportunities