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.

Citi is seeking a highly motivated and curious engineer as a trading tool developer to work embedded within the Systematic & Credit Portfolio Trading business. This role offers a unique opportunity for in-person collaboration with traders, quants, and product development. You will rapidly iterate on revenue-making & risk-reducing tooling, learn the business context, and balance strategic builds versus immediate needs. This position provides an outstanding opportunity for a developer to directly experience the impact of their work and help grow a new strategic trading desk.

Key Responsibilities:

• Define trade tooling business requirements directly with traders
• Work collaborative with traders, quants and product dev team to develop trading tools (such as portfolio optimization, P&L analysis, trading recommendations etc.)
• Maintain an ecosystem for rapid application tooling that can support contributions directly from traders in a sustainable manner
• Leverage Python and React to create high quality software that can be delivered and adapted at the pace the business operates
• Collaborate with production support to ensure stability and maintainability of critical trading functions

Required Skills / Experience:

• Proven experience building applications and tools in Python/Java or similar language

• Experience with containerized deployment Kubernetes/Open Shift, Helm and Docker

• Strong engineering fundamentals - managing complexity and designing for stability and maintainability

• Experience with CI/CD tooling such as Jenkins, Harness, etc.

• Experience analyzing complex data sets and drawing evidence-based conclusions

• Experience using agentic coding agents to accelerate development while maintaining high quality code and comprehensibility of the resulting system

• Excellent oral and written communication skills

• Prior experience in Credit or capital markets is a plus

• Prior experience in Credit other secondary trading businesses is a plus.

Education:

Bachelor’s degree/University degree or equivalent experience

What we’ll provide you

By joining Citi London, you will not only be part of a business casual workplace with a hybrid working model (up to 2 days working at home per week), but also receive a competitive base salary (which is annually reviewed), and enjoy a whole host of additional benefits such as:

• 27 days annual leave (plus bank holidays)
• A discretional annual performance related bonus
• Private Medical Care & Life Insurance
• Employee Assistance Program
• Pension Plan
• Paid Parental Leave
• Special discounts for employees, family, and friends
• Access to an array of learning and development resources

Visit our Global Benefits page to learn more.

Alongside these benefits Citi is committed to ensuring our workplace is where everyone feels comfortable coming to work as their whole self, every day. We want the best talent around the world to be energized to join us, motivated to stay and empowered to thrive.

Job Family Group:

Technology

Job Family:

Applications Development

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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