20 of 20 Low Latency Jobs in Northern Ireland

Senior Software Engineer – Ultra Low Latency Risk Engine Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Developer to join the Equities Electronic Execution (Electronic Trading) technology team. This role is focused on the design, development, and delivery … Citi's next-generation low-latency Risk Engine for cash equities and its integration into the broader execution platform — encompassing the Centralised Position Service, Client Connectivity, Market Access layers, and high-throughput market data processing. The engineer will own critical, latency-sensitive risk-checking components that ...

Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

Location
Belfast City District, Northern Ireland, United Kingdom
Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading) Engineer the future of global finance. At Citi, our Tech teamdoesn’tjust support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countriesoperatingat a scale few can match. … theEquities Electronic- Execution (Electronic Trading)technology team. The person in this role willbe responsible forthe design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency ...

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

Location
Belfast City District, Northern Ireland, United Kingdom
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 … 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 ...

Hybrid Senior Low-Latency Java Engineer - Equities

Location
Belfast City District, Northern Ireland, United Kingdom
Citigroup Inc. in Belfast is recruiting a Senior Low Latency Java Engineer for Equities Electronic-Execution. You will design, develop and deliver next‐gen low‐latency trading components, including algorithmic routing, market data processing and connectivity to global exchanges. You will lead high‐performance development across ...

VP Ultra-Low Latency Equities Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast is seeking a Senior/VP level Equities Technology developer to advance the Global Market Data platform with ultra-low latency capabilities. You will contribute to design and implement low-latency market data functionality and work closely with floor traders, production support ...

Senior Low-Latency Risk Engine Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking a Senior Software Engineer to design and deliver an ultra low-latency risk engine for cash equities, integrating with connectivity and data layers. You will own high-performance components, optimize JVM/C++ with low latency in mind, and collaborate across global teams ...

KDB Application Technology Lead Analyst (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
Applications Development Technology Lead Analyst (KDB Lead Developer) is a senior-level technical leadership role responsible for architecting, establishing, and implementing high-performance, low-latency tick and time-series data systems. This role leads the design, development, optimization, and support of real-time and historical KDB+/… deployment of KDB+ on-premises and in cloud environments (e.g., AWS, GCP, KX Insights). Performance Engineering & Stability Conduct deep profiling, capacity planning, and latency/memory optimization across high-volume market and transactional data streams. Implement robust Disaster Recovery (DR), business continuity (COB), high-availability (HA), and automated ...

Site Reliability Engineer III

Location
Belfast City District, Northern Ireland, United Kingdom
core technology foundations powering our Clearing, Risk, and derivatives applications. In this role, you will help build resilient, automated systems that combine ultra-low latency with high-concurrency performance, enabling CME's product teams to innovate safely at scale. You will work alongside senior engineers, mentor junior colleagues … Architect, Certified Kubernetes Administrator (CKA), or Certified Kubernetes Application Developer (CKAD). Domain Expertise: Any experience in Financial Markets or other highly regulated, ultra-low latency, high-concurrency environments would be highly beneficial although not essential," Why CME Group? Global Significance: Build technology that underpins the integrity ...

Low-Latency Equities Tech: Java/C++ Developer

Location
Belfast City District, Northern Ireland, United Kingdom
Citi in Belfast is seeking a software developer to join the Global Market Data platform team. You will contribute to low-latency market data infrastructure and collaborate with traders and production support to diagnose real-world issues. Requirements include strong Java or C++ experience, microservices familiarity, and knowledge ...

Real-Time Systems Engineer II – Rust & Low-Latency

Location
Belfast City District, Northern Ireland, United Kingdom
design, code, test, and review production software, working with product and engineering peers to refine requirements and deliver scalable solutions. You will contribute to low-latency, high-traffic services and participate in on-site and remote work arrangements as part of Magnite's hybrid model. #J-18808-Ljbffr ...

Java Developer (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
standards, software development tools and techniques Experience in developing distributed systems Experience in the use of Containers (Docker, Kubernetes) Desirable skills Experience in Low Latency Software Development in a microservices environment high performance architectures and high throughput applications is a plus Experience in C++ or C# is beneficial ...

Sr. Software Engineer (Python, C#)

Location
Belfast City District, Northern Ireland, United Kingdom
Human Security Layer. Provide or help providing solution to complex problems Design and build reliable distributed systems that handle volumes of data with low latency Maintain and support business‐critical systems where scale and latency are front‐of‐mind Ship code to production every day using ...

Senior DevOps Engineer (Trade Surveillance Platform)

Location
Belfast, Northern Ireland, United Kingdom
client environments Proactive, adaptable and motivated to learn Desirable Financial services or capital markets experience Exposure to trade surveillance or regtech platforms Experience in low-latency or high-throughput environments Why Join Data Intellect? Join a new, strategically important team in Belfast Work on complex, high-impact systems ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync)* Worked within an Agile Cross-functional delivery team.* Developing well tested software into low latency event driven production environments.* Full software development lifecycle in a technical role.* Pub/Sub patterns with Messaging technologies (such as SOLACE ...

Senior Software Engineer (Full Stack)

Location
Belfast City District, Northern Ireland, United Kingdom
with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync) Worked within an Agile Cross-functional delivery team. Developing well tested software into low latency event driven production environments. Full software development lifecycle in a technical role. Pub/Sub patterns with Messaging technologies (such as SOLACE ...

Java Developer

Location
Belfast City District, Northern Ireland, United Kingdom
unexpected changes in expectations or requirements Desirable Skills: Experience in containerisation Experience in DevOps - lightspeed, GitHub, Docker Unix and Shell scripting Knowledge of low-latency coding principles Education: Bachelor’s degree/University degree or equivalent experience By joining Citi, you will not only be part ...

Engineer II

Location
Belfast City District, Northern Ireland, United Kingdom
with dedicated mentorship!). ● Understanding of data structures and algorithms.● Experience building and operating large-scale, high-traffic enterprise server applications.● Experience with Low-Latency Mechanics: Threading, concurrency, and memory management with a focus on minimizing latency.● Able to balance high-quality development with pragmatism and consistent, sustainable ...

Senior Site Reliability Engineer – Cloud & Platform Automation

Location
Belfast City District, Northern Ireland, United Kingdom
Group is seeking a Site Reliability Engineer (SRE) III to strengthen our Google Cloud platform and middleware stack. You will help design resilient, low-latency systems across CME’s core derivatives applications and mentor junior engineers. In addition to hands-on engineering, you will drive cloud transformation, participate ...

Senior SRE - Platform Reliability & Cloud Automation

Location
Belfast City District, Northern Ireland, United Kingdom
Cloud (GCP) infrastructure and middeware platform engineering. You will help build resilient, automated systems for CME's derivatives platform, enabling high concurrency with ultra-low latency. You will mentor junior engineers, participate in production operations, and contribute to cloud transformation efforts across the engineering stack. #J-18808-Ljbffr ...

KDB+ Tech Lead: Real-Time Tick & Time-Series Architect

Location
Belfast City District, Northern Ireland, United Kingdom
Citi is seeking an Applications Development Technology Lead Analyst (KDB Lead Developer) to architect and implement high-performance, low-latency KDB+/q time-series data systems for real-time trading, market data, and analytics. The role serves as SME, guiding technical direction and mentoring engineers across business ...