426 to 450 of 538 Low Latency Jobs in the UK

High-Performance Trading Systems Engineer (C++/Python)

Location
City Of London, England, United Kingdom
full stack needed for a global trading operation. You will work with quantitative researchers and traders, own features from idea to production, and ensure low latency, high availability and robust monitoring. #J-18808-Ljbffr ...

Senior Real-Time Ad Auctions & Marketplace Engineer

Location
Cambridge, England, United Kingdom
systems. You will own multi‐objective optimisation, moving from framing the problem to production rollout, mainly in Java on the JVM. You will operate low-latency JVM services, apply probability and statistics to test changes, and collaborate with senior engineers across codebases. #J-18808-Ljbffr ...

Senior C++ Cloud Video Engineer (Hybrid)

Location
Greater London, England, United Kingdom
join the Cloud Video Framework team. You will build backend solutions for high-performance video experiences, spanning audio/video processing, codecs, streaming, and low-latency systems. You’ll lead technical discussions, mentor junior engineers, and collaborate across product and engineering teams to deliver scalable cloud-based media ...

Senior KDB+ Developer: High-Performance Risk Data

Location
Greater London, England, United Kingdom
with business stakeholders – particularly within Risk functions – to deliver robust, efficient and maintainable solutions. The role involves designing tick systems, handling large datasets with low latency, optimizing q queries and mentoring #J-18808-Ljbffr ...

Senior C++ Engineer: Live Media & Cloud Video (Remote)

Location
United Kingdom
Engineer with strong C++ skills to design and optimize our video processing and cloud frameworks. You will work across live environments, helping to deliver low-latency, scalable media solutions for fans, players, officials, and broadcasters. You'll collaborate with cross-functional teams, contribute to architectural decisions, and mentor ...

VP, Fixed Income Tech Delivery Leader

Location
Greater London, England, United Kingdom
Citi seeks a senior engineer to shape the future of fixed income tech. You will lead development in a high-performance, low-latency environment, utilizing Java/Spring and microservices in cloud-based services. Expect architectural influence, mentorship, and collaboration with business teams to progress Citi's technology ...

Mandarin-English AI Engineer for Production ML

Location
Greater London, England, United Kingdom
fine-tuning models to building high-performance inference pipelines. You will write clean Python, deploy containerized services with Docker/Kubernetes, and push for low latency, reliability, and global scale across voice and text applications. #J-18808-Ljbffr ...

Senior Java Lead - Equities Algo Trading Platform

Location
Greater London, England, United Kingdom
level to drive the design and delivery of the firm's market-leading execution platform, collaborating with quants, traders and technologists. You will tackle low-latency, real-time systems, mentor engineers, and shape scalable infrastructure for live markets across global teams, with a focus on performance, reliability ...

Senior AI Engineer: GenAI for Enterprise Finance (Hybrid)

Location
City of Edinburgh, Scotland, United Kingdom
full AI engineering lifecycle, from architecture to production deployment, working with multi-disciplinary teams across client projects. The role emphasizes scalable MLOps, low-latency AI, and hands-on development in a client-facing, agile environment within Capco’s Technology Delivery team. #J-18808-Ljbffr ...

Senior Python Backend Engineer — Real-Time Data for Trading

Location
Greater London, England, United Kingdom
role emphasizes fast delivery, ownership of features, and collaboration with traders and quants to solve real business problems. You will design and implement low-latency data feeds, enhance system visibility, and work across teams in an agile environment. Hybrid work and a competitive compensation package are offered. #J ...

Systematic Market-Making Quant Engineer

Location
Greater London, England, United Kingdom
build, and optimize high-performance trading systems. You will work with traders and technologists to translate financial ideas into robust software that scales under low latency conditions. The role emphasizes algorithm design, data-driven performance analysis, and rapid feature delivery, with a strong focus on Java or C++ ...

ML Systems Engineer for Quantitative Finance

Location
Greater London, England, United Kingdom
research, trading, and engineering teams to build state-of-the-art ML systems for quantitative finance. You will optimize training pipelines, deploy models to low-latency production environments, and work across C/C++, Python, CUDA, and related GPU technologies. Join a fast-paced, collaborative team focused ...

Campus ML Engineer: Build Scalable AI for Finance

Location
Greater London, England, United Kingdom
with our research, trading and engineering teams to build state-of-the-art ML systems for quantitative finance. You will work on training pipelines, low-latency inference, and production deployment. Join a fast-paced, collaborative environment where you apply cutting-edge techniques to complex domains, optimize workflows ...

VP, Fixed Income Tech Delivery & SFT Systems

Location
Greater London, England, United Kingdom
Citi's Tech team in the UK is seeking a senior Applications Developer to help redefine global finance. You will contribute to low-latency, high‐impact systems used across 180+ countries, and work on cloud-native microservices powering real-time trade processing. You will lead or guide developers ...

F5 Network Engineer

Hiring Organisation
Xact Placements Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
load-balancing plant behind thousands of business-critical apps — and automate the work that keeps it fast, stable and scalable. Think ultra-low-latency trading platforms, global DNS, and a real engineering culture that funds your F5 certifications. You'll... Design, build and troubleshoot the F5 load-balancing ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
APIs, and enterprise data integrations Fine‐tune, optimize, and deploy large language and multi‐modal models with a focus on scalability, reliability, and lowlatency performance Build scalable MLOps pipelines and cloud‐native AI applications to support secure, production‐grade deployments Collaborate with clients and cross‐functional teams ...

C++ Engineer Crypto Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
development, and more than 2-years relevant trading experience Solid C++ Engineering skills Experience of trading ideally in a buy side environment Understanding of Low Latency Infrastructure Understanding of Trade Order Books Ideally Familiar with encryption algorithms, consensus mechanisms, security protocols, distributed computing. The environment is that ...

C++ Market Data Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
South East, United Kingdom
Employment Type
Permanent
from vendor consolidation platforms and internal APIs Building real-time processing and derivation engines (bars, NBBO) that need to be fast, resilient and recoverable Low latency C++ development Shipping SDKs and platform interfaces so specialist teams can plug in their own derived-data calculations Hiring and mentoring ...

C++ Market Data Engineer

Location
London, United Kingdom
from vendor consolidation platforms and internal APIs Building real-time processing and derivation engines (bars, NBBO) that need to be fast, resilient and recoverable Low latency C++ development Shipping SDKs and platform interfaces so specialist teams can plug in their own derived-data calculations Hiring and mentoring ...

Senior Network and Security Engineer

Hiring Organisation
CMC Markets
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Nexus switch platforms Excellent documentation, communication and stakeholder engagement skills Desirable Experience supporting Market Data network feeds Exposure to SD-WAN technologies Experience supporting low-latency production networks within trading or financial services environments Experience with Cisco ASA and Meraki Wireless Hands-on experience with Palo Alto firewalls ...

Network and Voice Engineer

Hiring Organisation
Source Group International
Location
London, UK
Employment Type
Full-time
management where appropriate (e.g., scripting, templates, infrastructure as code).Required skills and experience Strong hands-on experience supporting enterprise networks in a high-availability, low-latency environment. Expertise with Cisco and/or Juniper routing and switching; solid understanding of TCP/IP, DNS, DHCP and network services. ...

Senior Quantitative Researcher – Options Market Making

Location
Greater London, England, United Kingdom
collaboratively with other researchers and traders from various scientific fields and prestigious academic institutions, to develop innovative real-time trading models and solutions for low latency trading systems for exchange-traded options. You will share your knowledge and expertise with other researchers to tackle various challenging projects including ...

Systems Research Engineer

Hiring Organisation
European Tech Recruit
Location
Edinburgh, Scotland, United Kingdom
pipelines, specifically focusing on KV cache management and heterogeneous memory scheduling. AI Serving: Optimising high-throughput frameworks (vLLM, Ray Serve, PyTorch Distributed) to ensure low-latency, multi-tenant performance. Research Leadership: Contributing to top-tier venues (OSDI, NSDI, EuroSys, MLSys) and driving those innovations into real-world production. ...

Senior Network Solution Architect

Location
Otley, England, United Kingdom
management and capable of balancing multiple demands with competing deadlines Travel required as needed, mainly in EMEA Ways to stand out from the crowd: Low latency/high BW interconnect such as InfiniBand/Ethernet AI previous knowledge Ability to handle and resolve critical customer issues/problems ...