126 to 150 of 150 Low Latency Jobs in London

Backend Software Engineer

Hiring Organisation
Medly AI
Location
London Area, United Kingdom
migrating our systems to AWS, consolidating our databases, worked on our python based AI backend and building a unified environment optimized for cost, latency, and scalability. This is a high-impact opportunity for someone eager to take ownership, solve complex challenges, and help power the next generation of educational … technology. Role Responsibilities Build and optimize a unified, cost-efficient, low-latency data environment within AWS Work on our AI backend and help make it scale proof Help with migration to AWS Consolidate mobile and web databases into one optimized Postgres environment Develop processes for importing and editing ...

Senior C# Developer .Net Core - Finance

Hiring Organisation
Client Server
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems b click apply for full job details ...

Reliability Engineer

Hiring Organisation
City Elite Transaction Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
Administer Solace appliances/brokers (on-prem & cloud) Production support, incident response, root cause analysis System monitoring, capacity planning, performance tuning WAN optimization for low-latency messaging Automation and documentation ...

AI/ML Engineer

Hiring Organisation
Brio Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £100000/annum
advanced machine learning and deep learning models into production. Architect scalable LLMOps pipelines on GCP/Vertex AI , including fine-tuning, vector search, and low-latency inference. Build end-to-end LLM applications , leveraging RAG (Retrieval-Augmented Generation) , agentic workflows, and prompt engineering. Implement robust evaluation frameworks ...

Software Engineer - London - Up to £140,000 Starting Base + Exceptional Bonuses/Benefits

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
technology to drive decision making at scale. Your Responsibilities (Full Spec. Available): Develop and optimise high-frequency trading systems Write efficient code to minimise latency, maximise throughput and ensure seamless operation under high-pressure conditions Driving innovation by exploring new technologies, machine learning and cutting edge tools to advance … competitive edge Who You Are: Strong proficiency in any OO language (they are agnostic) - (low-latency or systems-level experience preferred) Deep understanding of data structures, algorithms, and computer architecture Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach ...

Software Engineer - London - Up to £140,000 Starting Base + Exceptional Bonuses/Benefits

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
technology to drive decision making at scale. Your Responsibilities (Full Spec. Available): Develop and optimise high-frequency trading systems Write efficient code to minimise latency, maximise throughput and ensure seamless operation under high-pressure conditions Driving innovation by exploring new technologies, machine learning and cutting edge tools to advance … competitive edge Who You Are: Strong proficiency in any OO language (they are agnostic) - (low-latency or systems-level experience preferred) Deep understanding of data structures, algorithms, and computer architecture Proven ability to tackle complex challenges with initiative and agility in high-pressure environments Apply now or reach ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
West London, UK
Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms Design and implement low-latency event processing pipelines Ensure backend infrastructure is reliable, scalable, and secure Enhance database efficiency and refine data storage strategies Maintain comprehensive multi ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London, UK
Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms Design and implement low-latency event processing pipelines Ensure backend infrastructure is reliable, scalable, and secure Enhance database efficiency and refine data storage strategies Maintain comprehensive multi ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
East London, London, United Kingdom
Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms Design and implement low-latency event processing pipelines Ensure backend infrastructure is reliable, scalable, and secure Enhance database efficiency and refine data storage strategies Maintain comprehensive multi ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
City of London, London, United Kingdom
Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms Design and implement low-latency event processing pipelines Ensure backend infrastructure is reliable, scalable, and secure Enhance database efficiency and refine data storage strategies Maintain comprehensive multi ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/ £500/day (Outside) | 6-months | UK remote or London Hybrid

Hiring Organisation
Owen Thomas | Pending B Corp™
Location
Central London / West End, London, United Kingdom
Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend services and APIs that power our mobile and web platforms Design and implement low-latency event processing pipelines Ensure backend infrastructure is reliable, scalable, and secure Enhance database efficiency and refine data storage strategies Maintain comprehensive multi ...

Lead Machine Learning Engineer

Hiring Organisation
Sky
Location
london (rotherhithe), south east england, united kingdom
Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate closely with data scientists, engineers, and product managers to design ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, London, United Kingdom
working with one of the most prestigious high-frequency trading companies in the world to find a verification engineer to help verify their complex low-latency FPGA systems. You'll be joining a team at the forefront of innovation in design verification, where you'll be supported ...

Design Verification Engineer

Hiring Organisation
Platform Recruitment
Location
London Area, United Kingdom
working with one of the most prestigious high-frequency trading companies in the world to find a verification engineer to help verify their complex low-latency FPGA systems. You'll be joining a team at the forefront of innovation in design verification, where you'll be supported ...

HPC Engineer

Hiring Organisation
Autonomai Recruitment
Location
City of London, London, United Kingdom
globally on infrastructure projects and vendor relationships. Work directly with quantitative researchers to optimize workloads on HPC systems. What You’ll Work On Ultra-low latency, high-throughput trading infrastructure where optimization directly drives performance. HPC and simulation platforms supporting large-scale ML and AI pipelines. Integration ...

HPC Engineer

Hiring Organisation
Autonomai Recruitment
Location
London Area, United Kingdom
globally on infrastructure projects and vendor relationships. Work directly with quantitative researchers to optimize workloads on HPC systems. What You’ll Work On Ultra-low latency, high-throughput trading infrastructure where optimization directly drives performance. HPC and simulation platforms supporting large-scale ML and AI pipelines. Integration ...

Backend Engineer (Distributed Systems Engineer)

Hiring Organisation
TechChain Talent
Location
City of London, London, United Kingdom
Role We’re hiring a Backend Engineer with deep distributed systems expertise to help architect and optimize our core infrastructure. You’ll work on low-latency, high-throughput systems that power decentralized coordination, execution, and data integrity across global nodes. What You’ll Build • Core backend services ...

Backend Engineer (Distributed Systems Engineer)

Hiring Organisation
TechChain Talent
Location
London Area, United Kingdom
Role We’re hiring a Backend Engineer with deep distributed systems expertise to help architect and optimize our core infrastructure. You’ll work on low-latency, high-throughput systems that power decentralized coordination, execution, and data integrity across global nodes. What You’ll Build • Core backend services ...

Senior Backend Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. Cross-Team Collaboration: Work with ...

Java Risk Engineer – Multi-strat Hedge Fund – £250k TC

Hiring Organisation
Saragossa
Location
City of London, London, United Kingdom
/PMs, building risk calculation models and utilising innovative technology will be your day-to-day here. Supporting the business grow by building sophisticated, low-latency applications is the main remit, and you'll be given everything you'll need to succeed with that. The culture here ...

Java Risk Engineer – Multi-strat Hedge Fund – £250k TC

Hiring Organisation
Saragossa
Location
London Area, United Kingdom
/PMs, building risk calculation models and utilising innovative technology will be your day-to-day here. Supporting the business grow by building sophisticated, low-latency applications is the main remit, and you'll be given everything you'll need to succeed with that. The culture here ...

Data Center Engineer

Hiring Organisation
Thurn Partners
Location
London Area, United Kingdom
large-scale, high-performance data center operations. Expertise in capacity management, telemetry, and operational best practices. Knowledge of co-location environments and infrastructure for low-latency systems. Strong leadership and vendor management skills, with a global perspective. Why This Role? Be a key player in managing infrastructure critical ...

Data Center Engineer

Hiring Organisation
Thurn Partners
Location
City of London, London, United Kingdom
large-scale, high-performance data center operations. Expertise in capacity management, telemetry, and operational best practices. Knowledge of co-location environments and infrastructure for low-latency systems. Strong leadership and vendor management skills, with a global perspective. Why This Role? Be a key player in managing infrastructure critical ...

Android Engineer

Hiring Organisation
algo1
Location
London Area, United Kingdom
inference using Edge optimised frameworks Offline-aware & offline-first UX flows using prefetching, caching, and background sync Profile, optimise, and tune the app for low latency, efficient memory usage, and battery performance Work closely with AI & ML team members to build context-driven user experiences Help define ...

Android Engineer

Hiring Organisation
algo1
Location
City of London, London, United Kingdom
inference using Edge optimised frameworks Offline-aware & offline-first UX flows using prefetching, caching, and background sync Profile, optimise, and tune the app for low latency, efficient memory usage, and battery performance Work closely with AI & ML team members to build context-driven user experiences Help define ...