Job Description
We are seeking a highly skilled and experienced Performance Engineer to lead performance-focused development initiatives across large-scale distributed systems. The ideal candidate will drive performance optimization, scalability, and reliability across complex architectures, influencing system design decisions.

How You Will Contribute And What You Will Learn
NIFN2026

Performance Engineering & Optimization
- Identify, analyse, and resolve performance bottlenecks across application, middleware, and infrastructure layers.
- Conduct deep-dive analysis into CPU, memory, I/O, network, and latency issues.
- Drive performance tuning initiatives for high-throughput and low-latency systems.
- Establish performance benchmarks and define SLAs/SLOs for critical services.

Debugging & Troubleshooting at Scale
- Lead root cause analysis for production performance issues and outages.
- Debug complex issues in distributed environments involving multiple services and dependencies.
- Analyse thread dumps, heap dumps, GC logs, and profiling data to diagnose issues.




- Work closely with DevOps and Arch teams for arriving at Scalable Solutions/Fix.

System Design & Architecture
- Provide design recommendations with a strong focus on Performance, Scalability and Resilience.
- Evaluate trade-offs in distributed system design (e.g., consistency vs availability, throughput vs latency).
- Influence architecture decisions for microservices, event-driven systems, and data pipelines.
- Ensure systems are designed to handle large-scale workloads efficiently.

Benchmarking & Capacity Planning
- Design and execute performance tests (load, stress, endurance, spike testing).
- Build benchmarking frameworks for recent and existing features.
- Perform capacity planning and forecasting for infrastructure and application growth.
- Validate system behaviour under peak and failure scenarios.

Feature Development at Scale
- Contribute to development of new features with performance considerat

📌 Senior Technical Specialist-Performance Developer (Chennai)
🏢 NOKIA
📍 Chennai