Low Latency Jobs in London

76 to 100 of 336 Low Latency Jobs in London

Linux Engineer - Kubernetes

City Of London, England, United Kingdom
Harrington Starr
with bold investments in modern technology. With a strong in-house development culture and agile delivery mindset, the business is pushing boundaries in AI, machine learning, and high-performance, low-latency trading infrastructure. The 300-person technology team operates in a Scrumban framework and covers Cloud, DevOps, Cybersecurity, Software Engineering and more. In this Kubernetes-focused role, you … ll help build and scale a bare-metal HPC platform for a broad spectrum of use cases – from latency-sensitive trading to big data and analytics – with the opportunity to expand into cloud where appropriate. What you’ll do: Design and manage highly available Kubernetes clusters across multiple datacentres Collaborate with Linux, infrastructure, and SOC/CERT teams to … secure and optimise bare-metal environments Support mission-critical workloads including low-latency trading systems, leveraging tools like Calico, OPA/Gatekeeper, and Kyverno for policy enforcement and security Replace legacy networking infrastructure with a Kubernetes-first architecture, treating pods as first-class citizens in a highly available, BGP-based leaf/spine fabric Lead systems administration on More ❯
Posted:

Backend Software Engineer C++ Windows - Finance

London, England, United Kingdom
Hybrid/Remote Options
Client Server
of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange Connectivity software systems that require real-time and low latency, maintaining data feeds and developing key underlying transport protocols for data transmission. The platform has been built with C++ and C# deploying to AWS and requires high … scalability and low latency - they currently handle 40 billion messages per day. Location/WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. There is also the possibility to work remotely (in the UK) if you're not within a commutable distance of London. More ❯
Posted:

Software Engineer

Greater London, England, United Kingdom
StreetID
Collaborate with quantitative analysts and model developers to integrate risk models into production systems. Build robust data pipelines and interfaces for market data, trade data, and risk sensitivities. Ensure low-latency and high-throughput performance across the platform. Participate in architectural decisions for the evolution of the risk platform, including microservices, cloud migration, or messaging integration. Support daily … patterns. Familiarity with market risk, credit risk, or counterparty risk concepts. Experience with messaging systems (e.g., Solace, Kafka, or RabbitMQ) and distributed architecture. Solid understanding of multi-threaded and low-latency system design. Exposure to quant libraries, risk factor decomposition, or sensitivities is a strong plus. More ❯
Posted:

C++ Developer

City of London, London, United Kingdom
Computappoint
systems analysis, design, and development. Comprehensive knowledge of designing and building server-side C++ applications, ideally on RedHat 7 or later. Proven experience of developing large scale mission critical, low latency or fault tolerant systems. Experience of software development methodologies and working in a structured environment. Knowledge of financial services, derivatives or trading in an exchange, sell-side … or front office environment would be highly beneficial. Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++, Red Hat Linux (ideally V7 or later), Low Latency/High Performance trading applications/platforms. Services offered by Computappoint More ❯
Posted:

C++ Developer

London Area, United Kingdom
Computappoint
systems analysis, design, and development. Comprehensive knowledge of designing and building server-side C++ applications, ideally on RedHat 7 or later. Proven experience of developing large scale mission critical, low latency or fault tolerant systems. Experience of software development methodologies and working in a structured environment. Knowledge of financial services, derivatives or trading in an exchange, sell-side … or front office environment would be highly beneficial. Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++, Red Hat Linux (ideally V7 or later), Low Latency/High Performance trading applications/platforms. Services offered by Computappoint More ❯
Posted:

Senior Software Engineer

London Area, United Kingdom
Reelables
for millions of smart labels 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 meets cutting-edge innovation. You … ll be 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. Who we are Reelables is a rapidly scaling tech … performance testing. Implement advanced security best practices within the application code and API gateways for handling sensitive logistics and tracking data. Optimize service performance and database queries to achieve low-latency responses under peak loads during high-traffic periods (think Black Friday logistics!). Drive application-level error handling, retry logic, and resiliency patterns across the microservices landscape. More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Reelables
for millions of smart labels 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 meets cutting-edge innovation. You … ll be 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. Who we are Reelables is a rapidly scaling tech … performance testing. Implement advanced security best practices within the application code and API gateways for handling sensitive logistics and tracking data. Optimize service performance and database queries to achieve low-latency responses under peak loads during high-traffic periods (think Black Friday logistics!). Drive application-level error handling, retry logic, and resiliency patterns across the microservices landscape. More ❯
Posted:

C++ Developer

London, South East, England, United Kingdom
Computappoint
systems analysis, design, and development. Comprehensive knowledge of designing and building server-side C++ applications, ideally on RedHat 7 or later. Proven experience of developing large scale mission critical, low latency or fault tolerant systems. Experience of software development methodologies and working in a structured environment. Knowledge of financial services, derivatives or trading in an exchange, sell-side … or front office environment would be highly beneficial. Experience of developing low-level, high performance systems. Familiarity with Service Orientated Architecture, concurrency models and threading, multicast messaging or FIX message protocols would be advantageous. Key Skills: C++ (ideally version 17 or later), Red Hat Linux (ideally V7 or later), Low Latency/High Performance trading applications/ More ❯
Employment Type: Full-Time
Salary: £130,000 - £140,000 per annum
Posted:

KDB Developer

London Area, United Kingdom
Hybrid/Remote Options
Airswift
to build and optimise a high-performance kdb+ data platform supporting algorithmic and market data analytics. Key Responsibilities: Design and implement scalable kdb+ solutions for global trading teams. Develop low-latency systems for market data capture and analytics. Collaborate with quant teams, business sponsors, and tech stakeholders. Contribute to the technical direction of the kdb+ product suite. Translate … kdb+/q and large-scale system design. Strong grasp of computer science fundamentals and modern development practices. Unix/Linux development experience. Core Java development skills. Expertise in low-latency systems and tick data capture. Nice-to-Have: Familiarity with market data and algorithmic trading environments. Experience with financial instruments such as Equities, Futures, Options, and FX. More ❯
Posted:

KDB Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Airswift
to build and optimise a high-performance kdb+ data platform supporting algorithmic and market data analytics. Key Responsibilities: Design and implement scalable kdb+ solutions for global trading teams. Develop low-latency systems for market data capture and analytics. Collaborate with quant teams, business sponsors, and tech stakeholders. Contribute to the technical direction of the kdb+ product suite. Translate … kdb+/q and large-scale system design. Strong grasp of computer science fundamentals and modern development practices. Unix/Linux development experience. Core Java development skills. Expertise in low-latency systems and tick data capture. Nice-to-Have: Familiarity with market data and algorithmic trading environments. Experience with financial instruments such as Equities, Futures, Options, and FX. More ❯
Posted:

Python Developer

City of London, London, United Kingdom
Hybrid/Remote Options
Radley James
their Singapore office or fully remote—offers a unique opportunity to shape trading infrastructure and systems that power high-frequency and systematic trading strategies. Responsibilities: Develop and maintain robust, low-latency trading systems and infrastructure. Collaborate with traders and quantitative researchers to translate strategies into production-ready code. Optimize data pipelines, analytics tools, and backtesting frameworks for maximum … Strong proficiency in Python, with experience in production-grade code and software engineering best practices. Solid understanding of financial markets, particularly equities, derivatives, or FX. Experience building scalable systems, low-latency applications, or algorithmic trading infrastructure. Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment. More ❯
Posted:

Python Developer

London Area, United Kingdom
Hybrid/Remote Options
Radley James
their Singapore office or fully remote—offers a unique opportunity to shape trading infrastructure and systems that power high-frequency and systematic trading strategies. Responsibilities: Develop and maintain robust, low-latency trading systems and infrastructure. Collaborate with traders and quantitative researchers to translate strategies into production-ready code. Optimize data pipelines, analytics tools, and backtesting frameworks for maximum … Strong proficiency in Python, with experience in production-grade code and software engineering best practices. Solid understanding of financial markets, particularly equities, derivatives, or FX. Experience building scalable systems, low-latency applications, or algorithmic trading infrastructure. Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment. More ❯
Posted:

KDB Developer

London Area, United Kingdom
Vallum Associates
Key responsibilities · Develop and implement solutions for a core kdb+ data platform used by global trading teams. · Build and maintain high-performance, high-volume, low-latency systems, from market data capture to user analytics. · Collaborate with global business sponsors, quant trading teams, and technology teams to deliver projects. · Contribute to the design and technical direction of the kdb+ … of computer science fundamentals and modern software development practices. · Experience with development in a Unix and/or Linux environment. · Core Java development experience is often required. · Experience with low-latency systems development and tick data capture. · Knowledge of market data and algorithmic trading data is highly beneficial. · Experience with various financial products like Equities, Futures, Options, and More ❯
Posted:

KDB Developer

City of London, London, United Kingdom
Vallum Associates
Key responsibilities · Develop and implement solutions for a core kdb+ data platform used by global trading teams. · Build and maintain high-performance, high-volume, low-latency systems, from market data capture to user analytics. · Collaborate with global business sponsors, quant trading teams, and technology teams to deliver projects. · Contribute to the design and technical direction of the kdb+ … of computer science fundamentals and modern software development practices. · Experience with development in a Unix and/or Linux environment. · Core Java development experience is often required. · Experience with low-latency systems development and tick data capture. · Knowledge of market data and algorithmic trading data is highly beneficial. · Experience with various financial products like Equities, Futures, Options, and More ❯
Posted:

Software Engineer

City of London, London, United Kingdom
Zenith Search
and ship fast. What you’ll build: Pre-trade analytics (liquidity/pricing/scenario/what-if) and risk calculation services used in real time on the desk. Low-latency data services and streaming APIs (WebSockets/gRPC etc.) for live market and risk data. High-performance trader-facing UIs: time series views, blotters, RFQ/axe … a top-ranked university). Nice to have (not required) Fixed income/macro/FX/electronic trading/risk experience. Background in real-time, data-intensive, or low-latency environments. If you’re impact-led, comfortable owning production software that sits next to real money, and want to work where engineering output is directly tied to More ❯
Posted:

Software Engineer

London Area, United Kingdom
Zenith Search
and ship fast. What you’ll build: Pre-trade analytics (liquidity/pricing/scenario/what-if) and risk calculation services used in real time on the desk. Low-latency data services and streaming APIs (WebSockets/gRPC etc.) for live market and risk data. High-performance trader-facing UIs: time series views, blotters, RFQ/axe … a top-ranked university). Nice to have (not required) Fixed income/macro/FX/electronic trading/risk experience. Background in real-time, data-intensive, or low-latency environments. If you’re impact-led, comfortable owning production software that sits next to real money, and want to work where engineering output is directly tied to More ❯
Posted:

Quantitative Developer (Low Latency) EMEA (F/M/D)

London, United Kingdom
Flowdesk
new HFT platform built in Rust. Your mission will be to work on (and not limited to); Develop trading algorithms; Create and improve algorithms for trading, including those for low-latency, high-frequency trading Build front-office systems; Create systems for algorithmic trading, including data, risk, live trading, and post-trade Integrate with DeFi venues; Onboard real-time … most profitable trading desks within the space. Location is either remote; or hybrid if you are based in London, Paris or Singapore. Very high level of raw programming talent Low-level development/performance optimization 2+ years coding HFT systems/Trading system development Solid understanding of how order books, order state machines, etc. work Rust programming skills (can More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Trading Software Engineer

City of London, London, United Kingdom
Quant Capital
This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You’ll work on latency-optimised infrastructure designed for scale, precision and adaptability. This is a role that suits those who have been working on high performance systems at the very highest level. The … and real-time controls. You'll work directly with researchers and analysts, deploying models into production and designing architecture that balances performance and flexibility. Key Responsibilities Build and maintain low-latency trading platforms across asset classes Design pricing and risk logic, market data processing, and order handling Optimise data flow and system throughput under real-time constraints Implement … competitive programmer. Advanced experience in Kotlin or Java (Other languages considered C#/F#/C++) Deep familiarity with Linux environments and system-level APIs Experience with high-throughput, low-latency systems Ability to work independently and review code for correctness and clarity Finance experience not required, but curiosity helps Why Apply High-impact team with wide scope More ❯
Posted:

Trading Software Engineer

London Area, United Kingdom
Quant Capital
This role sits in a highly autonomous engineering team building performance-critical trading systems that power both OTC and exchange-based strategies across global markets. You’ll work on latency-optimised infrastructure designed for scale, precision and adaptability. This is a role that suits those who have been working on high performance systems at the very highest level. The … and real-time controls. You'll work directly with researchers and analysts, deploying models into production and designing architecture that balances performance and flexibility. Key Responsibilities Build and maintain low-latency trading platforms across asset classes Design pricing and risk logic, market data processing, and order handling Optimise data flow and system throughput under real-time constraints Implement … competitive programmer. Advanced experience in Kotlin or Java (Other languages considered C#/F#/C++) Deep familiarity with Linux environments and system-level APIs Experience with high-throughput, low-latency systems Ability to work independently and review code for correctness and clarity Finance experience not required, but curiosity helps Why Apply High-impact team with wide scope More ❯
Posted:

Senior Low Latency Java Engineer - High Performance Systems

London, United Kingdom
McGregor Boyall Associates Limited
We are hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant, sub-40s latency pipelines, shaping architecture decisions and solving More ❯
Employment Type: Permanent
Salary: GBP 100,000 Annual
Posted:

Senior Software Engineer

London Area, United Kingdom
Paritas Recruitment
a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. We are looking for individuals who eFX trading low latency More ❯
Posted:

Senior Software Engineer

City of London, London, United Kingdom
Paritas Recruitment
a skilled eFX Software Engineer to join their electronic trading team in London. Acting a Senior within the team, this role offers the chance to work on cutting-edge, low-latency FX trading platforms that support global markets, while shaping innovative solutions in a collaborative environment. We are looking for individuals who eFX trading low latency More ❯
Posted:

Graduate Software Engineer

EC2M, Coleman Street, Greater London, United Kingdom
Platform Recruitment
projects to join a high-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 day one with a team to support … or related degree Must have a 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 If you are interested learning More ❯
Employment Type: Permanent
Salary: £40000 - £60000/annum
Posted:

Graduate Software Engineer

London Area, United Kingdom
Platform Recruitment
projects to join a high-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 day one with a team to support … or related degree Must have a 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 If you are interested learning More ❯
Posted:

Graduate Software Engineer

City of London, London, United Kingdom
Platform Recruitment
projects to join a high-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 day one with a team to support … or related degree Must have a 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 If you are interested learning More ❯
Posted:
Low Latency
London
10th Percentile
£85,000
25th Percentile
£98,750
Median
£120,000
75th Percentile
£150,000
90th Percentile
£172,500