Job Title

Lead Software Engineer

Location

Mumbai, IN

Job Summary

We are looking for an exceptional Senior Java Technologist to join our LSET development team building a high-performance, low-latency High-Frequency Trading (HFT) platform. You will be responsible for designing, implementing, and optimizing systems that handle real-time market data, order routing, and execution at microsecond latencies. You should be passionate about writing highly efficient, concurrent, and performance-critical code and have strong knowledge of Java internals, network programming, and low-latency system design. This is an individual contributor position within LSET IT team. The selected person would be part of Instinet Execution Services - LSET IT team. The selected person would report to IT Lead in Mumbai and would work closely with global LSET IT team.

Role Responsibilities

- Develop large, complex Latency Sensitive Trading Product Suite. Optimize performance for ultra-low latency, high-throughput processing
- Build execution gateways and interfaces to multiple exchanges and dark pools. Implement fault-tolerant systems and robust recovery mechanisms. Conduct profiling, benchmarking, and tuning JVM/GC/networking performance
- Understand the existing business functions and participate in defining new solutions that meet business objectives.
- Work with the product team, stakeholders and end-users for contribution towards requirement discovery and project prioritization.
- Design and develop high-quality software deliveries within the committed deadlines.
- Willing to work and contribute across entire SDLC - including dev, testing and support. Collaborate with various development, QA and support teams across different regions




- L3 support - quick support resolution of production and user issues, application testing and maintenance releases. Interface with other support teams, global internal and external clients related to support, use and output of the products. As part of global team, act as key contact point for queries of both technical and functional nature.
- Contribute towards establishing software delivery best practices. Collaborate on architecture, design decisions, and code reviews
- Willing to own deliveries and work hands-on across all aspects of software delivery including development, testing, documentation and support.

Proven experience building low-latency trading systems or real-time data pipelines. Strong understanding of FIX protocols and Knowledge of messaging systems like Kafka, Aeron, Chronicle Queue (nice to have).

Technical Skills

- Excellent technical skills in
- Strong Core Java
- High performance messaging
- Multi-threading, memory management
- Networking (TCP/UDP)
- Performance optimization
- Gitlab CI - Continuous Integration

Experience Qualifications

- Experience of Trading System Development and/or Complex Event Processing
- Deep understanding of multithreading, NIO, concurrency, lock-free data structures, and GC tuning
- Robust Knowledge of messaging systems like Kafka, Aeron, Chronicle Queue (nice to have)
- Understanding of memory management, multi-threading - concurrency and synchronization.
- Experience with memory-mapped files, off-heap storage, or zero-copy I/O
- Very detail oriented with excellent analytical skills
- Excellent verbal and written communication skills
- Highly proactive and takes initiative to identify problem areas and evolve solutions.

📌 Lead Software Engineer (Maharashtra)
🏢 Nomura
📍 Maharashtra