Nomura Holdings, inc.
Senior Java Developer - Associate/VP
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Senior Java Developer
Corporate Title: Associate/VP Department: Global Execution Services – Instinet Crossing Technology Location: London (Hybrid)
Company Overview
Nomura is a global financial services group with an integrated network spanning approximately 30 countries and regions. By connecting markets East & West, Nomura serves individuals, institutions, corporates, and governments through its three divisions: Wealth Management, Investment Management, and Wholesale (Global Markets and Investment Banking). Founded in 1925, the firm is built on disciplined entrepreneurship, providing creative solutions and considered thought leadership. Visit Nomura’s website for more.
Department Overview
As part of the Nomura Group, Instinet Incorporated subsidiaries act as brokerage services providers to clients across over 65 markets worldwide. Through a combination of electronic trading strategies, experienced trading support, top-ranked Commission Management services, and cutting-edge analytics, Instinet helps institutions lower trading costs and improve performance.
Instinet is a pioneer in trading technology, introducing industry-standard innovations since its founding over 50 years ago. In the US, Instinet also offers boutique-model Equity Research. For more details, visit Instinet’s website.
Role Overview
As a Senior Java Developer in the Crossing Technology team, your primary responsibility is to develop, maintain, and optimize Instinet’s Crossing Systems, including the Instinet BlockMatch MTF and CBX crossing applications. You’ll also contribute to defining the technical direction of Instinet’s common Core trading systems.
Key Objectives for Success:
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- Work with business stakeholders to elicit and analyse requirements for new/existing crossing applications.
- Collaborate with senior architects to design scalable, high-performance software for business-critical trading systems.
- Implement performance and latency improvements using best practices in software performance engineering.
- Oversee the entire software lifecycle of projects, from design to production deployment.
- Ensure compliance with Nomura software standards while delivering high-quality software to QA and UAT teams.
- Integrate changes smoothly with deployment and Change Management functions in production.
- Conduct peer reviews of colleagues’ work to strengthen overall software quality.
- Provide 2nd-level support for trading system software (primarily covering UK/US market hours, with best-efforts coverage outside these times and occasional weekend/holiday on-call).
- Generate technical documentation and step-by-step guides to support cross-team training.
- Mentor junior team members, offering technical guidance and career development support.
Required Skills, Experience & Qualifications
- Working knowledge of equities trading systems, particularly in crossing/matching engines.
- Proficient in FIX protocol trading workflows, including perspectives from venues/exchanges.
- Extensive experience developing high-volume, low-latency Java trading systems, with expertise in:
- Performance profiling, monitoring, and tuning.
- Software performance engineering methodologies.
- Experience with source control systems (e.g., SVN, GIT).
- Background supporting fast-paced environments with mission-critical systems.
- Knowledge of designs and methodologies, such as Agile/Scrum, Microservices, distributed systems, and messaging frameworks.
- Strong proficiency in Java, with complementary skills in Perl or Python.
- Solid understanding of SQL, Linux, and networking fundamentals.
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Nomura Leadership Behaviours
Nomura expects all leaders to embody the following principles:
- Explore Insights & Vision: Diagnose root causes of challenges and define a clear direction for the future.
- Make Strategic Decisions: Evaluate all options, prioritise actions effectively, and resolve issues decisively.
- Inspire Entrepreneurship in People: Communicate ideas persuasively to motivate teams, enhancing productivity.
- Elevate Organizational Capability: Proactively drive professional development and knowledge-sharing culture.
- Inclusion & Psychological Safety: Champion Diversity, Equity, and Inclusion (DEI), fostering an environment where innovation and challenge are respected.
Additional Information
Right to Work
The UK Government has imposed measures to reduce net migration, which may affect hiring overseas workers requiring a Tier 2 Skilled Worker visa. Eligibility is determined based on genuine employment criteria—contact the team if further clarification is needed.
Diversity & Inclusion
Nomura is committed to fostering an inclusive and equal opportunity workplace, where diversity is celebrated. We do not discriminate on the basis of:
- Age
- Disability
- Gender identity and expression
- Pregnancy/identity/parenthood status
- Marriage/civil partnership
- Race
- Religion or belief
- Sex
- Sexual orientation
Reasonable adjustments are available for candidates with disabilities or long-term health conditions. Please contact Nomura for further assistance.
Nomura is an Equal Opportunity Employer.
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