> Markdown version of [/jobs/ext/2414839-equities-technology-java-developer-vp-citi](https://www.wearedevelopers.com/jobs/ext/2414839-equities-technology-java-developer-vp-citi). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Equities Technology Java Developer - VP - Citi - **Company:** Citigroup Inc. - **Location:** Belfast, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Algorithmic Trading, Confluence, JIRA, Unit Testing, C++ (Programming Language), Code Review, Databases, Data Infrastructure, Perl (Programming Language), Multicasting, Network Interface, Network Protocols, Server Administration, Shell Script, TCP/IP, Concurrency, Git, Low Latency, IBM UrbanCode Deploy, Microservices - **Published:** August 25, 2026 - **Apply:** https://www.reed.co.uk/jobs/equities-technology-java-developer-vp-citi/57275331 ## About the Role * Significant years of working knowledge of Java. Also, Perl/Shell Scripting. * Ability to work to tight deadlines as part of a team. * Ability to work with floor traders, production support and others in diagnosing and troubleshooting real-world issues. * Candidate must be able to work effectively as part of a larger team and be able to communicate at an appropriate level depending on the types of people involved. * Good understanding of Network Protocols - Multicast/TCP/IP. Any Beneficial / Nice to have skills and experience: * Low Latency Market Data Skills. * Experience with C++ would be considered a plus * Experience of algorithmic trading and electronic trading business or technology would be beneficial, but not essential. * Working experience of Microservices architecture is a big plus. * Experience of working in the finance industry would be beneficial but not essential. * Sound programming approach with unit test testing, code reviews and following agile methodology. * JIRA, Confluence, GIT, uDeploy all beneficial to know. * Low latency, network concurrency, multicast, and server configuration knowledge are additional useful skills. Including configuration of 10GB Network Interfaces such as SolarFlare using OnLoad. * Knowledge of Equities products (stock, futures, options, swaps etc) would be beneficial. * Knowledge of developing database code and processes in KDB. ## Description * Development of the Global Market Data platform to meet the requirements of the Global Equities business. * Support for deployed market data systems in conjunction with Equities Production Support teams. * Implementation and enhancement of new/altered systems. * Working with a business group who are committed to technology and receiving low latency market data. * Design and development of the Global Market Data platform in EMEA. * Design and development of system functionality. * Coordination of Exchange mandatory changes as they pertain to the Global Market Data platform. * Application functionality improvements driven primarily by the Electronic Trading Desk. * Support for existing Market Data applications and clients., * On-going development of new functionality for the Global Market Data platform. The Global Market Data platform is evolving rapidly, offering many opportunities to exercise and improve technical skills in the area of low latency. The role also offers the opportunity to learn the Equity Trading business. ## Related Videos - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025)