Senior Software Engineer (Equinox) - Equity Derivatives Tech

citi
London

Senior Software Engineer (Equinox) – Equity Derivatives Tech

About Citi

Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity.

About the team

The Equity Technology organization is undertaking a multi-year investment to completely re-engineer the front office technology platform, to support business expansion plans to close the gap to competition.

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. The role of a lead engineer for Equinox requires a combination of strong technical and leadership skills – this role entails:

Role Overview/What you will you do

As a Senior Software Engineer, you will work together with various departments, such as front-office (trading, structuring), product development teams and 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:

  • 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 rapidly changing environment.

What technical skills you will require

  • Proficiency in Java.
  • Expertise in component integration via REST APIs and message queues, such as Kafka.
  • Thorough understanding of multi-threaded programming.
  • Experience in developing concurrent applications with asynchronous task processing based on actor model (Akka Actors) and streaming (Akka Streams).
  • Working knowledge of NoSQL databases, such as Couchbase.
  • Ability to create and maintain project builds (Gradle) and CI/CD pipelines (Jenkins, Tekton).
  • Experience of building and deploying containerised applications (for instance, using OpenShift).

Education: Bachelor’s degree in computer science or engineering field involving software programming or systems engineering.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

What we’ll provide you

By joining Citi, 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

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.

#LI-AP2

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi .

View Citi’s EEO Policy Statement and the Know Your Rights poster.
Posted 2025-12-15

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