Senior Java Engineer, Equity Derivatives Tech – Hybrid

Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

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Job Req :

Location(s):

London, England, United Kingdom

Job Type:

Hybrid

Posted:

Apr. 24, 2026

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities.

Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech.

Department

Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‑trade, clearing and margin processes. Our ambition is to deliver a seamlessly integrated, highly automated platform that drives outstanding client outcomes and accelerates growth across our global franchise.

As part of the team, you’ll collaborate closely with high‑calibre engineers and deeply engaged business and product partners - working together to define and deliver the next generation of Equities technology at Citi.

About the team

Citi Investment Strategies (CIS) Engineering group comprises four teams. Equinox team is responsible for development, maintenance and support of a data platform for the CIS business.

Role overview

The role of a Senior Software Engineer for Equinox requires a combination of strong technical and leadership skills. You will work together with business stakeholders from Trading and Benchmark Administration Team (BAT), and with other members of the Equity Derivatives Tech development team to provide solutions that improve efficiency, decrease operational risk, and enable the business to expand and automate their current processes.

What you will be involved in

• Defining the technical architecture for Equinox, data and process flows from upstream and to downstream systems.
• Liaising with the business stakeholders and business analysts to define new projects, ensure completeness of requirements and agree priorities.
• Designing new functionality.
• Owning iterative delivery of new features to the business.
• Ensuring ongoing system robustness and stability.
• Playing an active role in team’s response to production issues.
• Coaching and mentoring more junior team members to improve the standard of work.

What you will bring

• This role is for someone who enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously.
• You will be a highly motivated self-starter who is comfortable taking on new challenges and picking up and learning new technologies.
• Hands-on professional software development experience at a senior level.
• Proven experience of defining technical architectures and leading complex projects through to delivery.
• Proficiency in object-oriented and functional programming.
• Rigorous application of clean code and TDD principles.
• Demonstrated leadership skills and ability to lead by example.
• Proactive approach to identifying issues that affect productivity of the team, finding and implementing appropriate solutions, inspiring the team to adapt and grow.
• Ability to work independently in a fast-paced and…