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GenAI Full-Stack Engineer Lead

Job Req Id:

26955324

Location(s):

Belfast, Northern Ireland, United Kingdom

Job Type:

Hybrid

Posted:

Aug. 04, 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 approximately 219,000 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.

Job Overview

We’re looking for a hands-on engineering lead with a passion for building AI-powered products and shaping engineering culture. You’ll provide technical leadership while remaining close to the code, partnering with teams across the organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices.

Key Responsibilities

  • Drive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations.
  • Remain hands-on with software architecture, system design, code reviews and engineering decision-making.
  • Set technical direction across full-stack ecosystems spanning frontend, backend, APIs, cloud services and platform components..
  • Partner with senior technology and business stakeholders to align platform strategy with organisational priorities.
  • Deliver high-profile, business-critical programmes with significant operational and executive visibility.
  • Champion engineering excellence, DevSecOps principles, platform engineering and continuous improvement.
  • Mentor engineering managers, principal engineers and senior engineers, building a culture of technical excellence and accountability.
  • Drive adoption of developer platforms, automation capabilities and enterprise engineering standards across multiple teams.

Skills & Experience

  • Proven experience leading software engineering organisations in a hands-on technical capacity.
  • Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React.
  • Experience delivering AI-enabled or Generative AI solutions within enterprise environments.
  • Experience building enterprise-scale cloud-native applications using Kubernetes, containers, microservices and event-driven architectures.
  • Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering.
  • Strong knowledge of SQL and NoSQL technologies, API design and integration patterns.
  • Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations.
  • Growth mindset with a passion for mentoring, coaching and developing technical talent.

What we’ll provide you

By joining Citi Belfast, 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.

#LI-AH4

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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.

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Global Benefits

Discover the top benefits offered to our global workforce, designed to support your well-being, growth and work-life balance. Explore a few of the highlights that make working with us rewarding.

Learn About Global Benefits

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