Senior Scala Engineer; SolstiCE – Equity Derivatives Tech – VP

Position: Senior Scala Engineer (SolstiCE) – Equity Derivatives Tech – VP
Location: Greater London

For additional information, please review .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. Solsti

CE team is responsible for development, maintenance and support of an index calculation platform for the CIS business.
** Role overview
** The role of a Senior Software Engineer for Solsti

CE 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.
** You will be involved in
*** Liaising with the business stakeholders and business analysts to define new projects, ensure completeness of requirements and agree priorities.
* Evolving Solsti

CE technical architecture, data flows, and integrations with upstream and downstream systems.
* Designing new core functionality.
* Implementing and delivering new features to expand product and use case coverage, enabling increased system adoption for critical business processes.
* Ensuring ongoing system robustness and stability.
* Coordinating team’s response to production issues.
* Coaching and mentoring less experienced 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.
* Passion and interest in shaping the way the system should be evolving to stay relevant, dependable and maintainable.
* Ability to work both independently and as a part of a team in a fast-paced and rapidly changing environment.
** What technical skills you will require
*** Proficiency in Scala and Python.
* Expertise in component integration via REST APIs and message queues, such as Solace.
* Thorough understanding of multi-threaded programming.
* Working knowledge of No

SQL databases, such as Couchbase.
* Ability to create and maintain project builds (Gradle) and CI/CD pipelines (Jenkins, Tekton).
* Experience of…