Ultra-Low Latency Jobs in the UK

76 to 100 of 154 Ultra-Low Latency Jobs in the UK

Low-Latency Java Developer – Front Office FX

london, south east england, united kingdom
Vertus Partners
delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re … JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading systems More ❯
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Low-Latency Java Developer – Front Office FX

slough, south east england, united kingdom
Vertus Partners
delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re … JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading systems More ❯
Posted:

Low-Latency Java Developer – Front Office FX

london (city of london), south east england, united kingdom
Vertus Partners
delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re … JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We’re Looking For Proven experience designing or building low-latency trading systems More ❯
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Python Software Engineer

City of London, London, United Kingdom
Durlston Partners
an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial … ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise performance and scalability across key More ❯
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Python Software Engineer

London Area, United Kingdom
Durlston Partners
an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial … ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise performance and scalability across key More ❯
Posted:

Python Software Engineer

london, south east england, united kingdom
Durlston Partners
an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial … ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise performance and scalability across key More ❯
Posted:

Python Software Engineer

slough, south east england, united kingdom
Durlston Partners
an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial … ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise performance and scalability across key More ❯
Posted:

Python Software Engineer

london (city of london), south east england, united kingdom
Durlston Partners
an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount. They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial … ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data. Key Responsibilities Develop and maintain systems for real-time market data, trade execution, and reconciliation. Optimise performance and scalability across key More ❯
Posted:

C++ Low-Latency Developer - Leading HFT Firm | London

London, England, United Kingdom
Selby Jennings
technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what … s possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. Collaborate with traders, quants, and infrastructure engineers to deliver robust, scalable, and lightning-fast trading solutions. Profile, benchmark … kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track record of building latency-critical systems in trading, gaming, or telecom environments. Bonus: Experience with FPGA acceleration, RDMA, or custom NIC firmware. Why Apply? Work with some of the fastest systems and smartest More ❯
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C++ Low-Latency Developer - Leading HFT Firm | London

london, south east england, united kingdom
Selby Jennings
technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what … s possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. Collaborate with traders, quants, and infrastructure engineers to deliver robust, scalable, and lightning-fast trading solutions. Profile, benchmark … kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track record of building latency-critical systems in trading, gaming, or telecom environments. Bonus: Experience with FPGA acceleration, RDMA, or custom NIC firmware. Why Apply? Work with some of the fastest systems and smartest More ❯
Posted:

C++ Low-Latency Developer - Leading HFT Firm | London

slough, south east england, united kingdom
Selby Jennings
technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what … s possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. Collaborate with traders, quants, and infrastructure engineers to deliver robust, scalable, and lightning-fast trading solutions. Profile, benchmark … kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track record of building latency-critical systems in trading, gaming, or telecom environments. Bonus: Experience with FPGA acceleration, RDMA, or custom NIC firmware. Why Apply? Work with some of the fastest systems and smartest More ❯
Posted:

Java Developer - Front Office

London, United Kingdom
delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and Cross-Asset projects further down the line. Key Responsibilities Design and develop ultra-low latency Java systems for electronic FX trading. Work closely with traders and quants to deliver performant pricing and hedging solutions. Lead components of system re … JVM tuning. Contribute to a high-performing, globally distributed engineering team. Technical Environment Core Java, Aeron, lock-free/concurrent programming High-performance messaging, distributed systems, and low-latency design Real-time pricing, RFQ, and automated hedging systems What We re Looking For Proven experience designing or building low-latency trading systems More ❯
Posted:

C++ Engineer - Pushing the Speed of Light Ultra-Low Latency Trading Systems

South East, United Kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming - data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that's 10ns faster doesn't just run better - it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you've been building toward. To apply, please either send an email, or respond to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C++ Engineer — Pushing the Speed of Light | Ultra-Low Latency Trading Systems

City of London, London, United Kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send me@mondrian-alpha.com an email More ❯
Posted:

C++ Engineer — Pushing the Speed of Light | Ultra-Low Latency Trading Systems

London Area, United Kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send me@mondrian-alpha.com an email More ❯
Posted:

C++ Engineer — Pushing the Speed of Light | Ultra-Low Latency Trading Systems

london, south east england, united kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send me@mondrian-alpha.com an email More ❯
Posted:

C++ Engineer — Pushing the Speed of Light | Ultra-Low Latency Trading Systems

london (city of london), south east england, united kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send me@mondrian-alpha.com an email More ❯
Posted:

C++ Engineer — Pushing the Speed of Light | Ultra-Low Latency Trading Systems

slough, south east england, united kingdom
Mondrian Alpha
custom allocator design , branchless algorithms , and profile-guided optimization . A habit of benchmarking rather than assuming — data, not theory. Ideal Background Proven experience building ultra-low-latency systems in trading, gaming, or networking. Deep understanding of CPU architecture , from cache hierarchies to speculative execution. The mindset of someone who thinks in nanoseconds and … bureaucracy, no excuses. Engineering, hardware, and trading sit shoulder-to-shoulder. Code that’s 10ns faster doesn’t just run better — it changes the business. If you believe latency is the final frontier, and profiling is the only truth, this is the environment you’ve been building toward. To apply, please either send me@mondrian-alpha.com an email More ❯
Posted:

Software Engineer C++

City of London, London, United Kingdom
Ncounter LTD
Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the backbone of real-time trading. Youll join a collaborative team of developers, quants and platform engineers … line application support, analysing production telemetry and driving improvements Core Skills & Experience: Strong proficiency in modern C++ (C++17 or later) and STL Deep understanding of multi-threading, low-latency optimisation and Linux systems Experience working on high-frequency or real-time systems (financial or otherwise) Familiarity with network programming, serialization and distributed architectures Strong analytical and More ❯
Employment Type: Permanent
Posted:

C++ Software Engineer

London, South East, England, United Kingdom
Ncounter
Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order validation, routing and exchange connectivity - the backbone of real-time trading. You’ll join a collaborative team of developers, quants and platform … line application support, analysing production telemetry and driving improvements Core Skills & Experience: • Strong proficiency in modern C++ (C++17 or later) and STL • Deep understanding of multi-threading, low-latency optimisation and Linux systems • Experience working on high-frequency or real-time systems (financial or otherwise) • Familiarity with network programming, serialization and distributed architectures • Strong analytical and More ❯
Employment Type: Full-Time
Salary: £150,000 - £175,000 per annum
Posted:

DevOps/Cloud Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Manha Resource Solutions Ltd
ll Be Doing Automate and scale cloud infrastructure (GCP, Kubernetes, distributed systems) Code like an engineer – Rust & Python are your daily weapons Fine-tune Linux servers for ultra-low latency performance Build bulletproof CI/CD pipelines and monitoring setups Document everything — clear, sharp, reusable What You Bring Deep hands-on GCP + Kubernetes More ❯
Employment Type: Full-Time
Salary: £45,000 - £65,000 per annum
Posted:

Data Scientist (LLMs)

Manchester, Lancashire, United Kingdom
Hybrid / WFH Options
ConnexAI
and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Scientist (LLMs)

Manchester Area, United Kingdom
Hybrid / WFH Options
ConnexAI
and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯
Posted:

Data Scientist (LLMs)

bolton, greater manchester, north west england, united kingdom
Hybrid / WFH Options
ConnexAI
and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯
Posted:

Data Scientist (LLMs)

warrington, cheshire, north west england, united kingdom
Hybrid / WFH Options
ConnexAI
and improve LLM-based systems for low-latency RAG systems, intent detection, call scoring, and email classification. Support real-time inference infrastructure with ultra-low latency and detailed monitoring. Create and maintain evaluation datasets to test safety, prompt following, and conversational quality. Collaborate with engineers and researchers to apply new More ❯
Posted:
Ultra-Low Latency
10th Percentile
£67,500
25th Percentile
£75,313
Median
£162,500
75th Percentile
£225,000
90th Percentile
£230,000