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Senior UI Engineer

https://www.citi.com/ Logo

Citi

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Location:
United Kingdom , London

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

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:

  • Actively contribute to and uphold the long-term technical vision and architectural roadmap for core platforms within the Banking Technology middleware ecosystem, encompassing Java, Spring Boot, Kafka, Microservices, GraphQL, and NoSQL databases. Implement and advocate for organizational engineering standards, best practices, and architectural patterns to ensure scalability, reliability, security, and maintainability across all engineering initiatives
  • Lead by example in coding, design, and problem-solving. Mentor and provide technical guidance to senior and junior software engineers, fostering a culture of innovation, continuous learning, and technical excellence. Share knowledge, best practices, and innovative solutions with the team
  • Apply and champion DevSecOps and Site Reliability Engineering (SRE) principles in daily work, ensuring high standards of system availability, performance, security, and operational efficiency for critical production platforms. Proactively identify and address technical debt, mitigate system risks, and implement robust disaster recovery capabilities
  • Act as a primary technical advisor to senior business leaders and product owners, translating complex business requirements into clear, actionable technical designs and innovative solutions. Effectively articulate technical insights, architectural decisions, and development progress to diverse audiences
  • Actively drive the exploration, evaluation, and hands-on application of emerging technologies, advanced architectural patterns, and innovative solutions (e.g., Apache Flink, Artificial Intelligence) to enhance product offerings and improve engineering productivity
  • Collaborate extensively with other engineers and technical leads across engineering, product management, and operations to ensure alignment of technical designs, seamless integration of solutions, and achievement of broader organizational goals. Influence technical decisions through deep expertise and well-reasoned arguments
  • Take ultimate accountability for the successful, on-time delivery of complex, high-quality, and user-centric software components. Uphold rigorous engineering standards through thorough design, code, and security reviews, and contribute to comprehensive technical documentation, ensuring a culture of engineering excellence

Requirements:

  • Significant progressive experience in backend software development, with a proven track record of owning the design and delivery of complex, large-scale software projects as a senior individual contributor
  • Deep, hands-on expertise and architectural understanding of enterprise-level middleware technologies including Java, Spring Boot, Kafka, Microservices architecture, GraphQL, and NoSQL databases. Demonstrated experience with high-volume, low-latency distributed systems. Experience with Apache Flink is a significant advantage
  • Demonstrated ability to architect, design, and implement highly scalable, resilient, secure, and performant distributed systems
  • Expert-level understanding of the modern Software Development Lifecycle (SDLC), CI/CD pipelines, DevSecOps, and Site Reliability Engineering (SRE) best practices, with extensive, hands-on experience in their practical application
  • Exceptional verbal and written communication skills, capable of articulating complex technical concepts to diverse audiences and working effectively with business and technical stakeholders to drive positive outcomes
  • Bachelor’s degree in Computer Science, Engineering, or a related technical field is required
  • a Master’s degree or equivalent advanced professional qualifications are a plus

Nice to have:

Experience with Apache Flink is a significant advantage

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

Additional Information:

Job Posted:
March 05, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
Job Link Share:

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