76 to 100 of 253 Low Latency Jobs in London

Senior Backend Engineer

Hiring Organisation
Reelables
Location
City of London, London, United Kingdom
worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency … designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of dollars, and creating the rock-solid, secure logic that our entire product ecosystem depends on. ...

Low Latency Java Engineer - Up to £100k Base Salary + Bonus

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Role: Low Latency Java Engineer - Up to £100k Base Salary + Bonus Salary: Up to £100k Base Salary + Bonus Location: London Skills: Java, Multithreading, Concurrency, any focus on performance This firm is an elite tech scale up with extremely high tech standards. They are made … tech and pushing it to the limits. What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very friendly, tight-knit environment • Flat structure, with a clear progression ...

Low Latency Java Engineer - Up to £100k Base Salary + Bonus

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Role: Low Latency Java Engineer - Up to £100k Base Salary + Bonus Salary: Up to £100k Base Salary + Bonus Location: London Skills: Java, Multithreading, Concurrency, any focus on performance This firm is an elite tech scale up with extremely high tech standards. They are made … tech and pushing it to the limits. What else is in it for you? • Software Engineers are treated as the company's #1 asset • Low attrition rate; people working there love what they do on a daily basis! • Very friendly, tight-knit environment • Flat structure, with a clear progression ...

Backend Software Engineer C++ Rust Low Latency

Hiring Organisation
Client Server
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Backend Software Engineer/Developer (C++ Rust Low Latency Trading) London/WFH to £180k+ Opportunity to join a hugely profitable High Frequency Trading firm that specialise in crypto markets and earning substantial bonuses in a senior, hands-on Backend Software Engineer role, working with Rust. ...

Junior Rust Developer - Crypto Market Maker

Hiring Organisation
Radley James
Location
London Area, United Kingdom
quantitative environment. We're seeking a Junior Rust Developer to join its front-office technology team in London. The successful candidate will work on low-latency, high-performance systems that directly support 24/7 trading operations, collaborating closely with senior engineers and trading stakeholders. Key Responsibilities Maintain … trading systems Required Skillset 1–3 years of relevant development experience in a Linux environment Strong working knowledge of Rust (essential) Proven interest in low-latency systems and performance optimisation Degree in Computer Science, Software Engineering, or a related discipline Strong interest in financial markets and blockchain technologies ...

Junior Rust Developer - Crypto Market Maker

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
quantitative environment. We're seeking a Junior Rust Developer to join its front-office technology team in London. The successful candidate will work on low-latency, high-performance systems that directly support 24/7 trading operations, collaborating closely with senior engineers and trading stakeholders. Key Responsibilities Maintain … trading systems Required Skillset 1–3 years of relevant development experience in a Linux environment Strong working knowledge of Rust (essential) Proven interest in low-latency systems and performance optimisation Degree in Computer Science, Software Engineering, or a related discipline Strong interest in financial markets and blockchain technologies ...

Senior Backend Engineer (Telco Integration Lead) Golang

Hiring Organisation
Ventula Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
data into a real-time defense against global fraud. Key Responsibilities Telco Integration & Architecture ? Own and build the Security Signal Ingestion path, the secure, low-latency, and out-of-band data channel connecting to our founding members' network API gateways. ? Architect and implement a carrier-agnostic, vendor-agnostic … signals from at least two telco partners, culminating in a Go/No-Go demo. ? Ensure all network API integrations meet the stringent P99 latency budgets (e.g., < 150ms) required to support our sub-500ms Time-to-Trust product goal. ? Collaborate with the platform team to build a parallel development ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
London, UK
Employment Type
Full-time
systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. Deep expertise in Linux networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing, filtering … from prototype to GA. Collaborative, inclusive culture emphasizing design docs, code reviews, and knowledge sharing. What you'll do Lead architecture and delivery of low-latency backend services for DDoS detection, classification, and mitigation. Define and evolve scalable data/control planes (policy, signaling, telemetry, orchestration) with strong ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
systems and DevOps engineering experience. Basic qualifications 7–10 years building production backend systems, including 3–5 years in high-scale and/or low-latency environments. Deep expertise in Linux networking data path and kernel-level networking (e.g., XDP, eBPF, dpdk, iptables, nftables) for traffic processing, filtering … from prototype to GA. Collaborative, inclusive culture emphasizing design docs, code reviews, and knowledge sharing. What you'll do Lead architecture and delivery of low-latency backend services for DDoS detection, classification, and mitigation. Define and evolve scalable data/control planes (policy, signaling, telemetry, orchestration) with strong ...

Graduate Software Engineer

Hiring Organisation
Platform Recruitment
Location
EC2M, Coleman Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£40000 - £60000/annum
performance team with a culture of knowledge sharing and collective growth. The business are well reputed for growing graduates internally, and for providing ultra-low-latency solutions using C++. The role: Write high-performance C++ code. Low-latency networking. Work on live projects from … GitHub/extensive examples of personal programming projects (C/C++ preferred) Genuine interest in technology! You will stand out if you have low-level personal projects (e.g., compilers, networks, OS...) You will not be considered if you do not have a portfolio/code examples to share ...

Senior Software Engineer (Trading Systems)

Hiring Organisation
Beamost Ltd
Location
London, UK
Employment Type
Full-time
help evolve the system as the business grows. This is an excellent opportunity for someone who enjoys autonomy, technical responsibility, and working on low-latency, high-performance applications. What You'll Do Maintain, extend, and optimise an existing Python-based trading application Add new features and improve current … capabilities with a focus on performance, reliability and clean architecture Build and optimise real-time pipelines handling high-frequency data Improve latency, throughput, and reliability using profiling and performance engineering Work with Redis, Azure VMs, and Anaconda environments Implement and maintain systems requiring millisecond-level timing precision Troubleshoot production ...

Devops Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
from day one. The Role This isn’t pipeline maintenance. You’ll take full ownership of platform reliability, performance, and security, powering mission-critical, low-latency products and AI-driven features. What You’ll Own Build and manage cloud infrastructure from scratch with Terraform Lead Zero Trust security … experience CI/CD pipeline design experience Observability stack experience Scripting skills (Python, Go, or similar) Nice-to-Haves Zero Trust/mTLS experience Low-latency/high-throughput systems experience Apache Kafka expertise Kubernetes automation tools (e.g., ArgoCD) Who You Are A proactive problem-solver who takes ...

Devops Lead

Hiring Organisation
numi
Location
London Area, United Kingdom
from day one. The Role This isn’t pipeline maintenance. You’ll take full ownership of platform reliability, performance, and security, powering mission-critical, low-latency products and AI-driven features. What You’ll Own Build and manage cloud infrastructure from scratch with Terraform Lead Zero Trust security … experience CI/CD pipeline design experience Observability stack experience Scripting skills (Python, Go, or similar) Nice-to-Haves Zero Trust/mTLS experience Low-latency/high-throughput systems experience Apache Kafka expertise Kubernetes automation tools (e.g., ArgoCD) Who You Are A proactive problem-solver who takes ...

Senior React Engineer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
energy derivatives space. The business runs a cutting-edge electronic trading platform that serves both internal trading teams and external clients, offering low-latency, highly reliable trading access via a modern UI. We are looking for a self-starter who takes ownership of technical challenges and delivers robust … frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka, and cloud platforms such ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
London, UK
Employment Type
Full-time
technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building production backend systems (at least 3 years in high-scale or low-latency environments). Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/… gates from prototype to GA. Collaborative, inclusive engineering culture with code reviews, design docs, and knowledge sharing. What you'll do Design and build low-latency backend services for DDoS detection, classification, and mitigation across OCI's global edge. Implement scalable data and control planes (policy, signaling, telemetry ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
South London, UK
Employment Type
Full-time
technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building production backend systems (at least 3 years in high-scale or low-latency environments). Proficiency in one or more: Java/Python/C Rust/Go Strong preference for Java for control-plane/… gates from prototype to GA. Collaborative, inclusive engineering culture with code reviews, design docs, and knowledge sharing. What you'll do Design and build low-latency backend services for DDoS detection, classification, and mitigation across OCI's global edge. Implement scalable data and control planes (policy, signaling, telemetry ...

Network (Infrastructure) Engineer | Leading Global Investment Group

Hiring Organisation
Techfellow Limited
Location
London Area, United Kingdom
regions. The role sits at the intersection of delivery and operations. You’ll contribute to new network build-outs while also supporting an existing low-latency estate that underpins trading and research systems. The environment spans traditional data centre networking, cloud connectivity, automation, and performance-sensitive routing - offering … trading, research, and corporate systems Troubleshoot and resolve network incidents across routing, switching, and connectivity layers in both on-prem and cloud environments Support low-latency systems, balancing reliability, performance, and operational resilience Contribute to network-related projects, including new deployments, upgrades, and capacity improvements Work with senior ...

Network (Infrastructure) Engineer | Leading Global Investment Group

Hiring Organisation
Techfellow Limited
Location
City of London, London, United Kingdom
regions. The role sits at the intersection of delivery and operations. You’ll contribute to new network build-outs while also supporting an existing low-latency estate that underpins trading and research systems. The environment spans traditional data centre networking, cloud connectivity, automation, and performance-sensitive routing - offering … trading, research, and corporate systems Troubleshoot and resolve network incidents across routing, switching, and connectivity layers in both on-prem and cloud environments Support low-latency systems, balancing reliability, performance, and operational resilience Contribute to network-related projects, including new deployments, upgrades, and capacity improvements Work with senior ...

eFX Java Developer Contract - 12 months Inside IR35

Hiring Organisation
CBSbutler Holdings Limited
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 - 550 Daily
Low Latency Java Developer - Contract Location: London - Hybrid 3 days per week in the office Duration: 12 months Rate: £480-£550 per day Inside IR35 Hiring for a Senior Java Developer with strong FX and low-latency experience to join an eFX Algo IT team. ...

Senior Network Engineer

Hiring Organisation
N P Associates
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £110,000 per annum
This is a key role with huge scope to learn new skills. Preferred candidates will have some previous Financial/Banking experience along with Low-Latency and Multicast. Over time, this may develop into a Team Lead or Managers role so any previous experience may be beneficial. Responsibilities … experience (PIM, MSDP, IGMP) highly desirable though training will be provided. Experience with cloud providers or virtualisation technologies (e.g. VMware) desirable Experience working with low latency technologies/networks a strong advantage Linux administration skills are a bonus, with potential to collaborate with the Linux SA team ...

Senior Manager, DDOS Engineering and Development

Hiring Organisation
Oracle
Location
London, UK
Employment Type
Full-time
with clear ROI. Lead new service development from concept and business case through GA: PRDs, architecture, stage gates, resourcing, and launch readiness. Deliver low-latency, high-availability backend services for detection, classification, and mitigation across OCI's global edge. Drive scalable data and control planes (policy, signaling, telemetry … with clear ROI. Lead new service development from concept and business case through GA: PRDs, architecture, stage gates, resourcing, and launch readiness. Deliver low-latency, high-availability backend services for detection, classification, and mitigation across OCI's global edge. Drive scalable data and control planes (policy, signaling, telemetry ...

Quantitative Developer

Hiring Organisation
Fionics
Location
London Area, United Kingdom
Quantitative Developer - London/Remote 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems Requirements: 2+ years quant dev or HFT experience Expert … Python skills Financial markets and trading systems knowledge Our network: Pay: $180K-$2M+ based on experience Locations: London, Remote Focus: Ultra-low latency, systematic platforms, research infrastructure From prop trading tech to systematic fund platforms. Ready to build the future of trading? Apply now for confidential discussions. ...

Quantitative Developer

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
Quantitative Developer - London/Remote 40+ leading quant firms seeking top-tier developers. Multiple immediate openings. What you'll do: Build low-latency trading systems and infrastructure Develop quantitative libraries and research platforms Optimize execution algorithms and risk systems Requirements: 2+ years quant dev or HFT experience Expert … Python skills Financial markets and trading systems knowledge Our network: Pay: $180K-$2M+ based on experience Locations: London, Remote Focus: Ultra-low latency, systematic platforms, research infrastructure From prop trading tech to systematic fund platforms. Ready to build the future of trading? Apply now for confidential discussions. ...

Senior Network Engineer : Trading Firm : CCDE/CCIE : £150-200k+

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Senior Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCIE qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile … bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading networks Implement optimisations to build low latency network Work on network redesign, expansion and upgrade Support trading teams in relation to high frequency Automation, capacity planning and connectivity advancement ...

Senior Network Engineer : Trading Firm : CCDE/CCIE : £150-200k+

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
Senior Network Engineer to work on it’s trading infrastructure. To apply, you will ideally be CCIE qualified with a strong background in low latency and multicast networks. Our client is a leading global market maker with an emphasis on technology to match. They seek an experienced profile … bleeding edge Cisco environment. What you'll be doing: Design, deploy and troubleshoot global network infrastructure Design industry leading networks Implement optimisations to build low latency network Work on network redesign, expansion and upgrade Support trading teams in relation to high frequency Automation, capacity planning and connectivity advancement ...