Senior Software Engineer (Java Or Python) - VP

Citi

Belfast, UKhybridPosted Jul 23, 2026
Posting intelligenceActively listedReposted 22×, possible evergreen/ghost posting

Skills

javascriptlangchainangularspringpythonopenaiflaskazurereactjavagooglecloudawsvueml

About the role

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 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

Senior Software Engineer (Java Or Python)

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.

Role Overview/What will you do:

Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements

Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards

Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint

Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation

Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals

Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions

Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary

Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

Key Skills and Experience required

Additional Job Description

Experience in full‑stack application development with strong expertise in Java or Python

Deep experience with backend frameworks such as Spring Boot / Spring Core and Flask / FastAPI

Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue)

Experience designing and delivering scalable, cloud‑native applications

Exposure to Gen‑AI concepts including:

Large Language Models (LLMs) and transformer‑based systems

Prompt engineering and basic agent workflows

Vector search and retrieval concepts

Familiarity with Gen‑AI frameworks/tools such as LangChain, LangGraph, MLflow, or workflow orchestration tools (e.g., n8n) (hands‑on experience preferred, but deep ML expertise not mandatory)

Experience integrating Gen‑AI APIs (OpenAI, Gemini, Claude, etc.) into production applications

Familiarity with at least one major cloud provider (AWS, GCP, or Azure)

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

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 About Us | Culture, Values & 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.

#LI-AP2

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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