About this role
Salary: £62,000 - 102,000 per year
Requirements: Significant working knowledge of Java or C++Ability to work to tight deadlines as part of a teamAbility to diagnose and troubleshoot real-world issues with floor traders, production support, and othersAbility to work effectively within a larger team and communicate appropriately with different audiencesGood understanding of network protocols, including Multicast and TCP/IPWorking experience with microservices architecture is a plusKnowledge or experience building ultra-low-latency market data platforms is a plusExperience with low-latency market data, algorithmic or electronic trading, or the finance industry is beneficial but not essentialSound programming practices, including unit testing, code reviews, and agile methodology, are beneficialFamiliarity with JIRA, Confluence, GIT, and uDeploy is beneficialKnowledge of low latency, network concurrency, multicast, server configuration, and 10GB network interfaces such as SolarFlare using OnLoad is usefulKnowledge of equities products such as stocks, futures, options, and swaps is beneficialKnowledge of developing database code and processes in KDB is beneficial Responsibilities: Develop new functionality for our Global Market Data platformDesign and develop the Global Market Data platform and its system functionality in EMEAImplement and enhance new or altered systemsSupport deployed market data systems in conjunction with our Equities Production Support teamsSupport existing Market Data applications and clientsCoordinate exchange-mandated changes affecting the Global Market Data platformImprove application functionality, primarily in response to the Electronic Trading DeskWork with the Global Equities business to develop the platform and provide low-latency market data Technologies: ConfluenceGitSupportJIRAJavaNetworkTCP/IPmicroservicesC++ More:
We are Citi, a global bank with approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions. We provide consumers, corporations, governments, and institutions with financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. This is a full-time Applications Development role in our Technology group, based in Belfast, Northern Ireland. You will join a team supporting a technology-focused business group, with opportunities to develop technical skills in low-latency systems and learn about the Equity Trading business. We are an equal opportunity employer and consider qualified candidates without regard to characteristics protected by law.
last updated 40 week of 2026