Principal Software Engineer

Nomura Holdings, Inc.; Mumbai; On-site; INR 2,500,000 - 4,000,000; Full time

Job summary

A global financial services firm is seeking an experienced individual contributor to join their Latency Sensitive Trading team in Mumbai. The role involves designing and optimizing systems for ultra-low latency trading, collaborating with a global team, and conducting L3 support. Candidates should have extensive experience with Java, messaging systems, and a solid understanding of the investment banking domain. This position offers a unique opportunity to lead in developing cutting-edge trading technologies.

Qualifications

• 15-18 years of experience in relevant field.
• Proven experience building low-latency trading systems.
• Excellent analytical skills with attention to detail.

Responsibilities

• Design, implement, and optimize real-time market systems.
• Develop and optimize Latency Sensitive Trading Product Suite.
• Provide L3 support and ensure production stability.

Skills

Strong Core Java

High performance messaging

Multi-threading

Networking (TCP/UDP)

Performance optimization

Gitlab CI – Continuous Integration

Investment Banking domain

Understanding of Equity Trading Markets

Education

B.E/B.Tech/MCA/M.Tech

Tools

Kafka

Aeron

Chronicle Queue

Job description

Business Unit Overview

Global Execution Services (GES) Technology builds and maintains software solutions used by agency-model execution business (Instinet) of the Nomura Group. This business provides brokerage services to clients in over 60 markets around the world. Through its advanced suite of electronic trading strategies, experienced high-touch trading group, top-ranked Commission Management services, award-winning desktop trading platform, and unparalleled access to insightful analytics, content and unique liquidity, execution services business helps institutions lower overall trading costs and ultimately improve investment performance. Nomura has introduced a range of now industry-standard trading technologies and has been an innovator at the forefront of the market's evolution. For more information, please visit www.instinet.com.

GES Technology India team is an integral part of the global team, which is spread across US, UK, HK and India. It works in partnership with the regions to deliver technology solutions for global execution business.

Role & Responsibilities

Latency Sensitive Trading (LSET) provides quant hedge funds and high frequency trading firms with ultra-low latency Direct Market Access (DMA) services and service tools (SWS) for tracking client risk and trading flows. This is highly technically advanced and industry leading product that covers all key geographical markets.

This is an individual contributor position with high ownership within LSET IT team. The selected person would be part of Instinet Execution Services – LSET IT team. The selected person would report to Global Head for LSET / GES India Head and would work closely with global LSET IT team across London, New York, Tokyo and Mumbai.

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.

• 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).

Position Specifications

Experience

15-18 years

Qualification

B.E/B.Tech/MCA/M.Tech

Mandatory Skill Set

• Investment Banking domain – good understanding of capital markets.
• Knowledge of Equity Trading Markets – especially compliance related issues and challenges.
• Any exposure to exchange connectivity / FIX / Trading Systems
  • Excellent technical skills in
    • Strong Core Java
    • High performance messaging
    • Multi-threading, memory management
    • Networking (TCP/UDP)
    • Performance optimization
    • Gitlab CI – Continuous Integration
• Experience of Trading System Development and/or Complex Event Processing
• Deep understanding of multithreading, NIO, concurrency, lock-free data structures, and GC tuning
• Strong 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
• Strong communication & leadership skills
• Highly proactive and takes initiative to identify problem areas and evolve solutions.
• Exposure to C, C++, FPGA/Verilog would be a plus

Desired Skill Set

• Python

We are committed to providing equal opportunities throughout employment including in the recruitment, training and development of employees. We prohibit discrimination in the workplace whether on grounds of gender, marital or domestic partnership status, pregnancy, carer’s responsibilities, sexual orientation, gender identity, gender expression, race, color, national or ethnic origins, religious belief, disability or age.

*Applying for this role does not amount to a job offer or create an obligation on Nomura to provide a job offer. The expression "Nomura" refers to Nomura Services India Private Limited together with its affiliates.

*The benefits are subject to change and will be in accordance with Company’s policies as may be applicable from time to time.