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Full Stack Engineer (Kotlin and/or Python) – VP

United Kingdom, London · Job Posted May 05, 2026
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Job Description

Full Stack Engineer (Kotlin and/or Python) – VP. 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.

Job Responsibility

  • Design & Develop: Iteratively develop robust, high-performance software solutions from initial concept through to production deployment, directly impacting trader efficiency and capabilities
  • Business Acumen & Product Ownership: Collaborate closely with business stakeholders, demonstrating a keen understanding of business drivers and a strong product owner mindset
  • Code Excellence: Produce clean, efficient, and well-documented code, adhering to best practices and contributing to a high-quality codebase
  • Engineering Leadership: Champion and share best engineering practices, foster a culture of continuous improvement, and mentor junior colleagues across the wider technology team
  • Innovation & Adaptation: Proactively evaluate and integrate new technologies, including AI tooling, to maintain a leading edge in our solutions
  • Full Lifecycle Ownership: Take ownership of the entire software development lifecycle, from design and development to testing, deployment, and monitoring in a DevOps-centric environment

Requirements

  • Strong proficiency in modern backend languages such as Kotlin and/or Python
  • Extensive experience with microservices architecture and developing scalable, resilient services
  • Demonstrated experience deploying and managing applications within containerization platforms like Kubernetes and OpenShift
  • Experienced in Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks) would be desirable
  • Deep understanding and practical application of DevOps principles, including CI/CD pipelines, automated testing, and trunk-based development
  • A strong commitment to fully automated testing and continuous integration
  • Prior experience with front office applications and an understanding of trading workflows, financial instruments, or market data will be a significant advantage
  • Bachelor’s degree or University degree in Computer Science, Engineering, or a related field, or equivalent practical experience in a similar role

Nice to have

  • Experienced in Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks)
  • Prior experience with front office applications and an understanding of trading workflows, financial instruments, or market data

What we offer

  • 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
  • Hybrid working model (up to 2 days working at home per week)

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