Low Latency Jobs in London

76 to 100 of 320 Low Latency Jobs in London

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 ❯
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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 ❯
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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 ❯
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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 ❯
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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 ❯
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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 ❯
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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 ❯
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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
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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 ❯
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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 ❯
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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 ❯
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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 ❯
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Graduate Software Engineer

City, 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: GBP 40,000 - 60,000 Annual
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
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DevOps Engineer

London Area, United Kingdom
Hybrid/Remote Options
AAA Global
SENIOR CLOUD AND DEVOPS ENGINEER – ULTRA LOW LATENCY HIGH FREQUENCY TRADING CRYPTO Base salary: USD [150’000 - 200’000] p.a. Participation in the core team bonus pool (20% of net P&L) Full time 100% Remote - European time zone Start Date: As soon as possible COMPANY DESCRIPTION We are an innovative and fast-paced proprietary trading firm specializing … manage a highly resilient AWS-based infrastructure to support high-frequency trading (HFT) strategies. Enhance Performance: Collaborate with developers and traders to identify and resolve performance bottlenecks, ensuring optimal low-latency trading in a fast-paced environment. Drive Automation: Create automation scripts and tools to streamline infrastructure management and operational processes, reducing manual intervention. Fortify Security: Implement and … in the cryptocurrency sector. Experience working at AWS or Binance is a plus. Performance Optimization: Proficient in optimizing system performance across hardware, software, system, and network levels to reduce latency and enhance throughput. Cloud Mastery: Extensive expertise with AWS is essential, with insider knowledge preferred. Familiarity with additional cloud platforms is a plus. A strong understanding of load balancing More ❯
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DevOps Engineer

City of London, London, United Kingdom
Hybrid/Remote Options
AAA Global
SENIOR CLOUD AND DEVOPS ENGINEER – ULTRA LOW LATENCY HIGH FREQUENCY TRADING CRYPTO Base salary: USD [150’000 - 200’000] p.a. Participation in the core team bonus pool (20% of net P&L) Full time 100% Remote - European time zone Start Date: As soon as possible COMPANY DESCRIPTION We are an innovative and fast-paced proprietary trading firm specializing … manage a highly resilient AWS-based infrastructure to support high-frequency trading (HFT) strategies. Enhance Performance: Collaborate with developers and traders to identify and resolve performance bottlenecks, ensuring optimal low-latency trading in a fast-paced environment. Drive Automation: Create automation scripts and tools to streamline infrastructure management and operational processes, reducing manual intervention. Fortify Security: Implement and … in the cryptocurrency sector. Experience working at AWS or Binance is a plus. Performance Optimization: Proficient in optimizing system performance across hardware, software, system, and network levels to reduce latency and enhance throughput. Cloud Mastery: Extensive expertise with AWS is essential, with insider knowledge preferred. Familiarity with additional cloud platforms is a plus. A strong understanding of load balancing More ❯
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Senior Software Engineer

London Area, United Kingdom
Barrington James
between cutting-edge quantum computing hardware and data centre infrastructure. You will be partnering closely with hardware engineers and physicists to design and implement cutting edge solutions for scalable, low latency systems that enable real-time quantum-classical integrations. If you are an expert in low level programming, hardware software integration and high-performance systems to develop … quantum control systems, classical compute orchestrations, and high-throughput data pipelines. Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for quantum control systems. Develop low-latency interfaces between quantum hardware and classical compute. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware and drivers … for custom hardware platforms. Analyse and optimize system performance, including latency, throughput, and resource utilization. Participate in system architecture design and contribute to technical decision-making. Furthermore, you will conduct code reviews, mentor junior engineers, and promote best practices in software development. Collaborate with cross-functional teams including physicists and engineers to ensure seamless integration of hardware and software More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Barrington James
between cutting-edge quantum computing hardware and data centre infrastructure. You will be partnering closely with hardware engineers and physicists to design and implement cutting edge solutions for scalable, low latency systems that enable real-time quantum-classical integrations. If you are an expert in low level programming, hardware software integration and high-performance systems to develop … quantum control systems, classical compute orchestrations, and high-throughput data pipelines. Key Responsibilities Design, develop, and optimize software in C++ and/or Rust for quantum control systems. Develop low-latency interfaces between quantum hardware and classical compute. Collaborate with hardware teams to integrate software with FPGAs and high-speed digital electronics. Develop and maintain firmware and drivers … for custom hardware platforms. Analyse and optimize system performance, including latency, throughput, and resource utilization. Participate in system architecture design and contribute to technical decision-making. Furthermore, you will conduct code reviews, mentor junior engineers, and promote best practices in software development. Collaborate with cross-functional teams including physicists and engineers to ensure seamless integration of hardware and software More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Albert Bow
London (Hybrid) | Up to £100k Albert Bow has partnered with a fast-growing global fintech platform transforming how institutional clients access digital assets. The team is building high-performance, low-latency trading systems at the forefront of financial services. The Role: Join a dedicated, high-performing engineering team to build and maintain Order Management Systems, exchange gateways, and … teams to improve system reliability and efficiency Contribute to architecture and system design in a fast-paced environment What You’ll Bring: Strong Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in More ❯
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Senior Software Engineer

London Area, United Kingdom
Albert Bow
London (Hybrid) | Up to £100k Albert Bow has partnered with a fast-growing global fintech platform transforming how institutional clients access digital assets. The team is building high-performance, low-latency trading systems at the forefront of financial services. The Role: Join a dedicated, high-performing engineering team to build and maintain Order Management Systems, exchange gateways, and … teams to improve system reliability and efficiency Contribute to architecture and system design in a fast-paced environment What You’ll Bring: Strong Python and SQL experience Experience with low-latency, high-throughput systems (trading, fintech, or real-time applications) Familiarity with multithreading, network programming, and performance optimization Understanding of algorithms, data structures, and distributed systems Experience in More ❯
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Senior Backend Engineer (Platform Security)

London, UK
Hybrid/Remote Options
Ventula Consulting
carriers to turn their network 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 connector layer to consume RESTful … validate and integrate real-time 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 path using mocked data to … high-performance, distributed systems in production. Required Technical Skills A minimum of 5 years of production experience with C++ or Go (Golang). Strong, demonstrable experiefnce with real-time, low-latency data processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding More ❯
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Senior Backend Engineer (Platform Security)

City of London, London, United Kingdom
Hybrid/Remote Options
Ventula Consulting
carriers to turn their network 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 connector layer to consume RESTful … validate and integrate real-time 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 path using mocked data to … high-performance, distributed systems in production. Required Technical Skills A minimum of 5 years of production experience with C++ or Go (Golang). Strong, demonstrable experiefnce with real-time, low-latency data processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding More ❯
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Senior Backend Engineer (Telco Integration Lead)

City of London, London, United Kingdom
Hybrid/Remote Options
Ventula Consulting
carriers to turn their network 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 connector layer to consume RESTful … validate and integrate real-time 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 path using mocked data to … production experience with Go (Golang). Experience in other languages (e.g., Python, Node.js) is valued, but will not replace this core Go requirement. Strong, demonstrable experiefnce with real-time, low-latency data processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding More ❯
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Senior Backend Engineer (Telco Integration Lead)

London Area, United Kingdom
Hybrid/Remote Options
Ventula Consulting
carriers to turn their network 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 connector layer to consume RESTful … validate and integrate real-time 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 path using mocked data to … production experience with Go (Golang). Experience in other languages (e.g., Python, Node.js) is valued, but will not replace this core Go requirement. Strong, demonstrable experiefnce with real-time, low-latency data processing. You obsess over milliseconds and understand the trade-offs. Proficiency with cloud platforms (AWS, GCP, or Azure) and containerization technologies (Kubernetes, Docker). Deep understanding More ❯
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Trade Support Engineer

City of London, London, United Kingdom
Bonhill Partners
key part in ensuring system stability, operational excellence, and seamless trade execution across global markets. Key Responsibilities Provide real-time support for trading platforms, ensuring uptime, data integrity, and low-latency performance. Monitor, troubleshoot, and tune Linux-based production environments, identifying and resolving issues to maintain optimal system performance. Manage and validate market data feeds to guarantee timely … Pandas, NumPy). Advanced SQL experience (PostgreSQL or similar) working with large, real-time datasets. Proven Linux system administration experience, including shell scripting, process monitoring, and performance optimization in low-latency or real-time trading environments. Solid understanding of market data sources (Bloomberg, Refinitiv/Reuters, ICE, etc.). Prior exposure to electronic trading, execution platforms, or market More ❯
Posted:
Low Latency
London
10th Percentile
£85,000
25th Percentile
£98,750
Median
£120,000
75th Percentile
£150,000
90th Percentile
£172,500