Low Latency Jobs in London

101 to 125 of 253 Low Latency Jobs in London

C# Developer - Up to £120,000 + Bonus + Package

Greater London, England, United Kingdom
Hybrid / WFH Options
Hunter Bond
real-time global trading and decision systems. Flexible Hybrid Model – Combine remote work with the energy of a London-based office. 🧠 Your Role Design, build, and optimize high-performance, low-latency systems for real-time financial applications. Develop scalable, efficient software using C#/.NET, with hands-on involvement in architecture and system design. Partner with Front Office More ❯
Posted:

C# Developer - Up to £120,000 + Bonus + Package

london, south east england, united kingdom
Hybrid / WFH Options
Hunter Bond
real-time global trading and decision systems. Flexible Hybrid Model – Combine remote work with the energy of a London-based office. 🧠 Your Role Design, build, and optimize high-performance, low-latency systems for real-time financial applications. Develop scalable, efficient software using C#/.NET, with hands-on involvement in architecture and system design. Partner with Front Office More ❯
Posted:

Software Engineer

Greater London, England, United Kingdom
STS Digital Group
cross-functional stakeholders. • Fluent in English, both written and spoken. Beneficial • Experience with Python and React. • Detailed experience with AWS (EKS, EC2). • Experience working on real-time or low-latency distributed systems. • Familiarity with quantitative pricing integration and automated testing frameworks. • Understanding of risk management, order management systems (OMS), and trade lifecycle workflows. • Experience building FIX or More ❯
Posted:

Front Office Developer

Greater London, England, United Kingdom
CMC Markets
Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed messaging . Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business More ❯
Posted:

Senior Quant Algo Developer

London, United Kingdom
Barclays
risk and make a positive, significant impact on our revenue generation. To be successful as a Senior Quant Algo Developer, you should have experience with: Algorithm development experience with low-latency modern C++ Experience with data engineering practices using KDB+/q Practical knowledge of volatility trading and market microstructure in equity derivatives Some other highly valued skills More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Front Office Developer

london, south east england, united kingdom
CMC Markets
Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed messaging . Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business More ❯
Posted:

Senior Pricing and Risk Developer

London, South East, England, United Kingdom
CMC Markets
Join CMC Markets' Pricing and Risk team, where you’ll work on our low latency, high-frequency trading platform. You will use cutting-edge Java programming techniques so experience in this area is essential. As a Senior Developer, you’ll not only code but also take on key design responsibilities, shaping impactful projects. You'll mentor junior members More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

London Area, United Kingdom
Hybrid / WFH Options
Techfellow Limited
scalable code with an emphasis on correctness and reliability Work closely with quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performance tuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of … the full development lifecycle, from architecture through deployment and monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in More ❯
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

City of London, London, United Kingdom
Hybrid / WFH Options
Techfellow Limited
scalable code with an emphasis on correctness and reliability Work closely with quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performance tuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of … the full development lifecycle, from architecture through deployment and monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in More ❯
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

london, south east england, united kingdom
Hybrid / WFH Options
Techfellow Limited
scalable code with an emphasis on correctness and reliability Work closely with quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performance tuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of … the full development lifecycle, from architecture through deployment and monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in More ❯
Posted:

Software Developer - OTC Trading Systems | Data-Driven Trading Technology Firm

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Techfellow Limited
scalable code with an emphasis on correctness and reliability Work closely with quants, analysts, and compliance stakeholders to refine system requirements and deliver production-ready solutions Implement and optimise low-latency infrastructure, including network stack integration, thread-per-core architectures, and performance tuning Contribute to team-wide design discussions, code reviews, and continuous improvement initiatives Take ownership of … the full development lifecycle, from architecture through deployment and monitoring What You’ll Bring... 4+ years hands-on experience building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in More ❯
Posted:

Quantitative Developer (Rust)

City of London, London, United Kingdom
AAA Global
reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus More ❯
Posted:

Quantitative Developer (Rust)

London Area, United Kingdom
AAA Global
reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus More ❯
Posted:

Quantitative Developer (Rust)

london, south east england, united kingdom
AAA Global
reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus More ❯
Posted:

Quantitative Developer (Rust)

london (city of london), south east england, united kingdom
AAA Global
reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus More ❯
Posted:

Platform Engineer Linux Python Cloud - HFT

West London, London, United Kingdom
Hybrid / WFH Options
Client Server
twice a week (please note there is an on-call requirement). About you: You have commercial experience as a Platform Engineer, DevOps Engineer or SRE within an HFT, low latency or web scraping environment You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong More ❯
Employment Type: Permanent, Work From Home
Posted:

Platform Engineer Linux Python Cloud - HFT

London, England, United Kingdom
Hybrid / WFH Options
Client Server
twice a week (please note there is an on-call requirement). About you: You have commercial experience as a Platform Engineer, DevOps Engineer or SRE within an HFT, low latency or web scraping environment You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong More ❯
Posted:

Platform Engineer Linux Python Cloud - HFT

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
twice a week (please note there is an on-call requirement). About you: You have commercial experience as a Platform Engineer, DevOps Engineer or SRE within an HFT, low latency or web scraping environment You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

Platform Engineer - Trading

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
twice a week (please note there is an on-call requirement). About you: You have commercial experience as a Platform Engineer, DevOps Engineer or SRE within an HFT, low latency or web scraping environment You have strong bash or Python scripting skills You have multi-cloud experience (AWS and/or Azure preferred) You have a strong More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

KDB Developer

City, London, United Kingdom
Reed Talent Solutions
algorithms, and ultimately P&L. Prototype solutions rapidly in an agile environment with frequent demands from Front Office teams. Analyze and manipulate large data sets in a high frequency, low latency environment. Provide technical design, architecture, and infrastructure expertise to expand the KDB+ footprint within the bank. Participate in all aspects of product delivery including design documentation, functional More ❯
Employment Type: Contract
Rate: GBP 450 - 467 Daily
Posted:

KDB Developer

Central London, London, England, United Kingdom
Reed
algorithms, and ultimately P&L. Prototype solutions rapidly in an agile environment with frequent demands from front office teams. Analyze and manipulate large data sets in a high frequency, low latency environment. Provide technical design, architecture, and infrastructure expertise to expand the KDB+ footprint within the bank. Participate in all aspects of product delivery including design documentation, functional More ❯
Employment Type: Contractor
Rate: £450 - £467 per day, Inc benefits
Posted:

Lead Data Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
to ensure high data quality and reliability. Mentoring a small team of data engineers, driving excellence and continuous learning. Partnering with Data Science and BI teams to deliver reliable, low-latency data for analytics and reporting. What we're looking for: 5+ years' experience in data engineering, including technical or team leadership. Expertise in AWS (preferred) or Azure More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Front Office Technical Team Lead

London, South East, England, United Kingdom
CMC Markets
Skills & Experience: Strong expertise in Java , Spring Framework/Spring Boot , or similar backend frameworks. Proven experience designing and developing API-based, microservices-driven architectures . Solid understanding of low-latency, multi-threaded systems and distributed messaging . Experience mentoring developers and promoting best practices in code quality and architecture. Collaborative mindset with experience working closely with business More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Full Stack Engineer

Greater London, England, United Kingdom
Hybrid / WFH Options
Futuria
designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and AI services Drive fast, iterative collaboration across product, design, and engineering teams Continuously improve the platform through testing More ❯
Posted:

Full Stack Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Futuria
designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs and AI services Drive fast, iterative collaboration across product, design, and engineering teams Continuously improve the platform through testing More ❯
Posted:
Low Latency
London
10th Percentile
£77,500
25th Percentile
£95,000
Median
£120,000
75th Percentile
£152,500
90th Percentile
£172,500