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Full-Stack Developer; AVP

Job in Belfast City District, Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Citigroup Inc.
Full Time position
Listed on 2026-10-18
Job specializations:
  • Software Development
    Full Stack Developer, Backend Developer
Salary/Wage Range or Industry Benchmark: 70000 - 110000 GBP Yearly GBP 70000.00 110000.00 YEAR
Job Description & How to Apply Below
Position: Full-Stack Developer (AVP)
Location: Belfast City District

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 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

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.

Full time

In this role, you will help to build the new Securities Settlements Stock Record platform, which will scale for high trade volumes, improve real time and batch reporting timelines and reduce risk by enhancing data quality controls to avoid any reputational and financial impact to firm.

This role will work closely with technology and business leadership in NAM and EMEA region.

Key Responsibilities Full-Stack Architecture & Development
  • Backend & Microservices:
    Design, develop, and maintain high-performance, resilient microservices and RESTful APIs using Java, Spring Boot, and modern enterprise integration patterns.
  • Frontend Engineering:
    Build responsive, accessible, and intuitive single-page applications (SPAs) and user interfaces using Angular / React.
  • Database Design & Management:
    Model, optimize, and manage relational databases (Oracle), ensuring optimal query performance, indexing strategies, and data consistency.
  • AI Assisted Development:
    Appropriately leverage available AI tools to accelerate all development activities.
  • Engineering Standards:
    Ensure all software developed complies with Citi's standards around code quality and test coverage.
Cloud & Containerized Dev Ops
  • Containerization & Orchestration:
    Package, deploy, and manage containerized workloads using Docker, Kubernetes, and container platforms such as Open Shift.
  • CI/CD & Automation:
    Integrate code into automated CI/CD build and release pipelines (e.g., Jenkins, Tekton, Harness), enforcing code quality, automated testing, and security scanning.
Systems Analysis, Design & Leadership
  • Conduct feasibility studies, technical assessments, time/cost estimates, and IT planning to deliver technology solutions aligned with business strategy.
  • Monitor and govern all phases of the Software Development Life Cycle (SDLC), including requirements analysis, system architecture, coding, unit/integration testing, and production rollout.
  • Recommend and implement robust application security standards, role-based access controls (RBAC), and vulnerability remediations throughout the application lifecycle.
  • Act as a Subject Matter Expert (SME) and mentor junior engineers, fostering engineering best practices, code reviews, and technical documentation.
  • Operate with high independence of judgment, collaborating with cross-functional stakeholders, product managers, and enterprise architecture teams.
  • Proactively manage and assess risk, adhering strictly to firm policies, regulatory compliance, and governance frameworks.
Qualifications and Skills
  • Proven relevant experience in a full-stack development role.
  • Excellent problem-solving skills and ability to work in fast-paced, agile environments.
  • Strong communication and collaboration skills.
  • Ability to work under pressure and manage deadlines or unexpected…
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