Lead Java Developer working at Emumba, building distributed systems that operate reliably in complex environments. Collaborating to solve hard backend problems and architecting resilient solutions.
Responsibilities
Design and build scalable services using Java and modern backend frameworks
Architect distributed systems capable of handling high throughput and complex workloads
Build systems that are fault-tolerant, observable, and resilient by design
Analyze system performance across distributed components
Identify bottlenecks related to concurrency, memory management, or networking
Optimize services to ensure predictable performance and reliability
Lead technical discussions around system design and architectural trade-offs
Design service boundaries, data flows, and integration patterns
Ensure systems evolve in ways that maintain long-term maintainability and scalability
Mentor engineers through design reviews, code reviews, and architectural guidance
Raise engineering standards through thoughtful design and best practices
Help shape a culture where strong engineering decisions drive long-term success
Requirements
7+ years building production-grade backend systems with Java
Strong experience designing distributed systems or microservices architectures
Deep understanding of concurrency, multi-threading, and JVM behavior
Experience with Spring Boot or modern Java backend frameworks
Strong system design fundamentals: scalability, fault tolerance, reliability
Experience building systems that operate in containerized or cloud-native environments
Familiarity with event-driven architectures and message streaming platforms
Proven ability to lead complex engineering work and mentor other engineers**
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