AI Engineer (Python) (AVP)

Citi; Belfast City District; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

27 days annual leave

Annual bonus

Private medical & life insurance

Employee assistance program

Pension plan

Parental leave

Employee discounts

Learning & development resources

Job summary

Citi is seeking an AI Engineer to join its global Tech team, building scalable AI systems powering a Global Lending Platform. You will work with LLMs, MCP tools and agent frameworks in a fast-paced SCRUM environment, with hybrid working options.

You will contribute to production-grade software, collaborate across teams, and grow through mentorship and continuous learning in a leading financial institution. The role emphasizes ownership, code reviews, and delivering features with reliability

Qualifications

• Hands-on experience applying large language models (LLMs) to solve real business problems, from ideation through to production deployment.
• Strong fluency in the Python AI/ML ecosystem, including Pydantic, REST API integration, database access, and orchestration frameworks such as ADK or LangGraph.
• Proficient in SQL and working with complex data in enterprise environments.
• A genuine team player who can also operate with full autonomy in office or remote settings.
• Excellent interpersonal and communication skills.
• Bachelor's degree in Computer Science is required.

Responsibilities

• Implement software components and applications for AI systems, focusing on MCP tools and AI agent frameworks.
• Operate as a committed SCRUM team member—own your work, ship features reliably, deliver production-grade applications.
• Balance speed with engineering excellence and drive tasks to completion in a fast-paced environment.
• Contribute to code reviews, technical discussions, and shared standards, collaborating with peers to grow.

Skills

LLMs

Python

REST API

SQL

Team player

Communication

Bachelor's degree in Computer Science

Education

Bachelor's degree in Computer Science

Tools

Pydantic

LangGraph

ADK

Job description

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.

We are seeking a highly motivated AI Engineer to join an experienced team of software developers. You will work on a new, strategically important AI system that directly powers one of Citi's Global Lending Platforms . This is a rare opportunity to build AI at real scale inside a leading global financial institution, with the support of seasoned engineers and a culture that values craft, ownership, and continuous learning.

Responsibilities

• Implement software components and applications for AI systems, with a primary focus on MCP (Model Context Protocol) tools and AI agent frameworks
• Operate as a committed member of a skilled SCRUM team — take ownership of your work, ship features reliably, and produce high-quality, production-grade applications
• Thrive in a fast-paced, results-driven execution environment, balancing speed with engineering excellence and driving tasks proactively to completion
• Contribute to code reviews, technical discussions, and shared standards, supporting colleagues and growing alongside talented peers

Skills & Qualifications

• Hands‑on experience applying large language models (LLMs) to solve real business problems, from ideation through to production deployment
• Strong fluency in the Python AI/ML ecosystem, including Pydantic, REST API integration, database access, and orchestration frameworks such as ADK or LangGraph
• Proficient in SQL and working with complex data in enterprise environments
• A genuine team player who can also operate with full autonomy — equally effective in the office or working remotely
• Sharp, structured thinker with strong analytical skills and the ability to independently research and master new technical domains
• Excellent interpersonal and communication skills
• Bachelor's degree in Computer Science

What's in It for You

• Learn from and work alongside experienced, senior engineers who are invested in your growth
• Work on a complex, high‑stakes project deployed globally within a leading financial institution
• Operate in a culture that actively encourages and sponsors personal and professional development
• Build with cutting‑edge AI tools — MCP, LLMs, agent frameworks — at real enterprise scale
• Flexible hybrid working model supporting both office collaboration and remote productivity

What we’ll provide you

By joining Citi, 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.

Full time

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.