Equities Technology (Low Latency Developer) - JAVA OR C++

Citibank (Switzerland) AG; Belfast City District; Hybrid; GBP 65,000 - 100,000; Full time

Job summary

Citi in Belfast seeks a high‑performing Equities Technology Low Latency Developer with Java or C++. You will contribute to the Global Market Data platform, implement ultra‑low‑latency features, and work with traders and production teams to diagnose real‑world issues.

The role offers hybrid working in a fast‑paced financial engineering environment, with opportunities to learn the equities business and advance technical skills in distributed microservices and network protocols.

Qualifications

• Significant experience in Java or C++ development.
• Experience with microservices architecture is a plus.
• Experience building ultra-low latency market data platforms is advantageous.

Responsibilities

• Develop new functionality for the Global Market Data platform.
• Support deployed market data systems with production teams.
• Collaborate with traders and engineers to diagnose live issues.

Skills

Java

C++

Microservices

Low latency

TCP/IP

Job description

## Equities Technology (Low Latency Developer) - JAVA OR C++Apply: Hybrid: Belfast United Kingdom: Full time: Posted Today: 26980463Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. We enable clients to achieve their strategic financial objectives by providing them with cutting-edge ideas, best-in-class products and solutions, and unparalleled access to capital and liquidity. **What We do / The Team*** 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. **Role Overview/What will you do:*** 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. **Key Skills and Experience required:*** Significant years of working knowledge of Java OR C++* Working experience of Microservices architecture is a big plus.* Knowledge and experience in building ultra-low latency market data platform will be a big plus.* 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 of algorithmic trading and electronic trading business or technology would be beneficial, but not essential.* 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. ------------------------------------------------------## **Job Family Group:**Technology------------------------------------------------------## **Job Family:**Applications Development------------------------------------------------------## **Time Type:**Full time------------------------------------------------------## **Most Relevant Skills**Please see the requirements listed above.------------------------------------------------------## **Other Relevant Skills**For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------*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.*