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Senior Java Engineer - Full Stack, Vice President

United Kingdom, London · Job Posted April 24, 2026
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Job Description

The Senior Java Full-Stack Engineer is an experienced, individual contributor position responsible for designing, developing, and implementing high-quality, end-to-end application systems and programs in coordination with the Technology team. The overall objective of this role is to drive application systems analysis, technical design, and programming across the full technology stack, leveraging modern technologies and AI-driven development practices.

Job Responsibility

  • Actively participate in the entire software development lifecycle (SDLC), from requirements analysis and technical design to coding, testing, deployment, and maintenance of both front-end and back-end components
  • Design, develop, and maintain resilient and scalable back-end services and APIs using Java and a microservice-based architecture
  • Design, develop, and implement intuitive and responsive user interfaces with a strong focus on front-end technologies like React or Angular
  • Integrate AI-powered development tools into the software development lifecycle (SDLC) to enhance productivity, code quality, and innovation
  • Champion and enforce high standards for code quality, performance, and security through strong code review practices across the full stack
  • Review and analyze proposed technical solutions for projects, providing expert guidance on architecture and design for distributed systems
  • Contribute to the formulation of technical strategy and roadmaps for application development
  • Develop a comprehensive understanding of how different business areas integrate to accomplish firm-wide goals
  • Provide evaluative judgment based on the analysis of factual data in complex and unique situations
  • Drive the delivery of end results on projects, ensuring high standards of quality and adherence to timelines
  • Ensure essential procedures are followed and contribute to defining and improving coding standards, design patterns, and development practices
  • Mentor junior engineers and lead by example in technical excellence and collaboration
  • Assess risk when making technical decisions, demonstrating consideration for the firm's reputation and safeguarding Citigroup, its clients, and assets by driving compliance

Requirements

  • 6-10 years progressive hands-on experience in software engineering
  • Demonstrated history of technical growth and tackling increasingly complex challenges in a full-stack capacity
  • Verifiable experience in designing, building, and maintaining large-scale, distributed, and mission-critical applications
  • Deep understanding of scalability, high availability, security, and observability
  • Comprehensive experience across the entire software development lifecycle (SDLC)
  • Strong proficiency in back-end development with Java, including Spring Boot
  • Proven experience designing, building, and operating applications based on microservice architecture
  • Strong proficiency in front-end development with React or Angular
  • Demonstrated experience utilizing AI-powered development tools
  • Deep understanding of engineering fundamentals including data structures, algorithms, design patterns, and best practices
  • Strong sense of ownership and accountability
  • Proven ability to drive technical projects to completion in a fast-paced, agile environment
  • Excellent problem-solving skills
  • Ability to work with complex and ambiguous requirements
  • Consistently demonstrates clear and concise written and verbal communication

Nice to have

  • Experience with data stores such as MongoDB or Elasticsearch
  • Experience with Next.JS
  • Familiarity with Specification-Driven Development methodologies
  • Experience in the Financial Services industry
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