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Salary
$122k – $230k per year (Estimated)
Location
Remote/Hybrid (London, United Kingdom)
Seniority
Principal
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 23, 2026. Citi scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Citi is one of the largest banks in the world, tracing its lineage to the City Bank of New York founded in 1812 and taking its modern shape through the 1998 merger that created Citigroup. Its most distinctive asset is a cross-border payments and treasury network unmatched by any competitor, moving trillions of dollars a day for multinational corporations, governments and other banks across roughly ninety countries. Alongside that institutional franchise it runs markets and investment banking, wealth management and a United States personal bank, and has spent recent years simplifying itself by exiting consumer operations across Asia, Europe and Latin America.

We are seeking a highly motivated and innovative Principal Engineer to join our dynamic team. In this pivotal role, you will be at the forefront of our AI transformation journey, partnering directly with technology leaders to fundamentally reimagine and re-engineer core business processes. The ideal candidate is a creative problem-solver with a unique blend of technical expertise, business acumen, and a passion for AI. You will act as the crucial bridge between business needs and technical solutions, identifying opportunities for AI-driven automation and bringing those concepts to life. A key part of your role will be to drive the adoption of these reference solutions within various business contexts and to apprentice future experts, ensuring the onward sustainability and scalability of our AI capabilities. You will achieve this by leveraging the full breadth and depth of Citi AI capabilities, including our growing set of AI agents.

Responsibilities:

  • Apply depth of knowledge and expertise to all aspects of the software development lifecycle, as well as partner continuously with stakeholders on a regular basis
  • Develop and engineer solutions within multiple agile software delivery teams, working to collaboratively deliver sprint goals, write code, and participate in the broader Citi technical community.
  • Actively contributes to the implementation of critical features and complex technical solutions. Write clean, efficient, and maintainable code that meets the highest standards of quality.
  • Collaborate with other Principal Engineers to define and evolve the overall system architecture and design.
  • Provide guidance on scalable, robust, and efficient solutions that align with business requirements and industry best practices.
  • Offer expert engineering guidance and support to multiple teams, helping them overcome technical challenges, make informed decisions, and deliver high-quality software solutions.
  • Foster a culture of technical excellence and continuous improvement.
  • Stay up to date with emerging technologies, tools, and industry trends.

Qualifications:

  • Prove experience in a Software Engineering leader role with 1 or more leveraging AI coding agents effectively
  • Deeply interested in building solutions that delight the consumer and are technically sound

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Job Family Group:

Technology

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Job Family:

Digital Software Engineering

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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.

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