101 to 125 of 151 Low Latency Jobs in London

Python Software Engineer

Hiring Organisation
Durlston Partners
Location
City of London, Greater London, UK
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 … 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 ...

Senior eFX Developer (VP)

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
significant daily flow across multiple regions and data centres. Key responsibilities: * Design and development of high-performance trading systems in Java and Rust * Building low-latency automated trading functionality * Contributing to globally distributed mesh-based architecture * Working closely with traders and business stakeholders * Enhancing scalability, resiliency and execution ...

Lead Data Platform Engineer (DV Clearable) - Up to £140,000

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Permanent
development of high-performance backend services within a secure, cloud-native environment. You will play a key role in building scalable, resilient, and low-latency data platforms, working with modern open-source and commercial technologies while driving engineering excellence across the team. Key Responsibilities Design, develop, document ...

Lead Data Platform Engineer (DV Clearable) - Up to £140,000

Hiring Organisation
Sanderson Government and Defence
Location
Westminster, Greater London, UK
development of high-performance backend services within a secure, cloud-native environment. You will play a key role in building scalable, resilient, and low-latency data platforms, working with modern open-source and commercial technologies while driving engineering excellence across the team. Key Responsibilities Design, develop, document ...

Senior Machine Learning Engineer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
Time Inference: Build and maintain robust end-to-end ML pipelines covering training, validation, deployment and monitoring, and develop real-time inference systems with low latency and high throughput. Monitoring & Reliability: Implement model monitoring, drift detection, alerting and retraining, and optimise models for reliability and cost efficiency ...

Full Stack Engineer

Hiring Organisation
Futuria
Location
London, UK
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 ...

Software Engineer Mid Level C++ (Fix term 1 year)

Hiring Organisation
Morningstar
Location
Greater London, United Kingdom
Employment Type
Full Time
dedicated operations team who handle most issues. Some key examples of the sort of work the team does: Data feed development for high volume low latency exchange connections Development and maintenance of key libraries used by the entire team Development of key underlying transport protocols for transmission ...

Generative AI Executive Director — Production LLM Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Capabilities, and Skills Design and deploy production ML pipelines using DAG frameworks, including custom operator development and pipeline optimization. Architect and implement high‐throughput, lowlatency microservices with gRPC, REST, and GraphQL, including protocol buffer schema design, streaming endpoints, and load balancing. Apply hands‐on experience with parameter ...

Founding Applied Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
e.g., retention, engagement, revenue) at scale (100M+ users). Production Engineering: You are an engineer first. Deep proficiency in Python/C++, experience with low-latency inference systems, and familiarity with distributed computing frameworks (Ray, Spark, Flink). You write code that survives in production, not just notebooks. … LLMs, RL, multi‐agent orchestration). Technical Strategy: Experience defining technical roadmaps and architectural standards. You can navigate trade-offs between model complexity, serving latency, and engineering velocity. Nice to Have PhD or M.S. in Computer Science, Statistics, or a related quantitative field. Experience at a frontier ...

Principal Data Engineer

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
person others look to for the hard calls. Experience delivering data products that serve diverse consumers — analytics, APIs, AI/ML systems — with different latency, quality, and access requirements. Background in financial services, insurance, or broking is a plus but not required. Technical Skills Deep expertise in Databricks, including … experience implementing quality, schema, and SLA commitments in production. Familiarity with the machine interface layer: APIs (REST, GraphQL), AI agent frameworks, MCP, vectorization, and low-latency query patterns for AI consumption. Understanding of foundational governance capabilities: access security (Entra ID, Unity Catalog), data lineage tooling, CI/ ...

C++ Trading Platform Developer

Hiring Organisation
Radley James
Location
London Area, United Kingdom
standards of top-tier high-frequency trading firms with the pace and ownership of a technology start-up. You’ll work on a global, low-latency trading platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring … compensation with strong earning potential Central London office with flexible working arrangements (hybrid) Visa sponsorship and relocation support available If you’re passionate about low-level systems, high-performance C++, and building robust trading infrastructure from the ground up, this is a rare opportunity to make a direct impact ...

Network Automation Engineer - Banking & Finance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
infrastructure as code Benefits High ownership and real impact on critical systems Work at the intersection of networking, cloud, and automation Solve complex, lowlatency engineering challenge Salary Up to £150k #J-18808-Ljbffr ...

Quantitative Developer

Hiring Organisation
Mondrian Alpha
Location
London Area, United Kingdom
simulation platforms underpinning sophisticated quantitative research and investment strategies. Scale cutting-edge machine learning workloads across large distributed compute environments. Optimise mission-critical, low-latency infrastructure where performance and reliability are paramount. Own the full lifecycle of solutions, from early-stage research and experimentation through to production deployment ...

E-Trading Quant

Hiring Organisation
Bank of America
Location
Greater London, United Kingdom
Employment Type
Full Time
backtesting Partner closely with traders to translate market insights into quantitative strategies Collaborate with technology teams to deploy models into production systems, ensuring low-latency and high-performance execution Continuously monitor, evaluate, and improve model performance in live trading environments Contribute to the ongoing development of the team ...

Quantitative Developer

Hiring Organisation
LANCESOFT LTD
Location
London, United Kingdom
based environment. Specifically need someone who understands both quantitative modelling and high-performance engineering. Requires strong experience in performance optimization, scalable pricing implementations, and low-latency quantitative systems. Many quants focus only on model correctness and ignore performance considerations, whereas this role requires both numerical accuracy and production ...

Senior Python Backend Engineer Fully Remote, UK

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Responsibilities Own the design, development, and operation of the core backend services that power our consumer-facing products and internal operational tooling. Build scalable, low-latency systems that can handle real-time updates and significant traffic spikes during live matchdays, using caching, load management, and graceful degradation techniques. ...

Senior Video Engineer (C++/Rust)

Hiring Organisation
Howrecruit
Location
City of London, London, United Kingdom
Windows. The core stack is Rust, with WebRTC and some GStreamer. In a browser, WebRTC handles huge amounts of the low-level work for you. Building it natively means they write or modify much of that themselves. GStreamer covers some of it, but its real-time plugins aren … others in the team in this area. The entire audio/video part of the code feels extremely solid and well tested. Qualifications Deep, low-level audio/video and RTP experience: encoding/decoding, pipeline internals, low-latency transport. Not just WebRTC consumed via browser APIs ...

Data Platform Engineer

Hiring Organisation
Cognify Search
Location
London Area, United Kingdom
core revenue-generating function of the business. The systems you build will support forecasting, optimisation, reconciliation and real-time operational decision-making. Reliability, latency and scalability matter because the platform sits directly in the path of commercial outcomes. If you enjoy building production-grade systems where data is used … building the operational platform that underpins critical commercial workflows. The challenges are genuinely engineering-focused: High-volume event processing Real-time decision support Low-latency data systems Platform reliability and observability Revenue-critical infrastructure You'll join a business with a genuine tech-for-good mission, solving complex ...

Backend Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Market Rate/ Negotiable
backend engineer owning complex services in production. Production-level expertise in Go and/or Java. Experience building or maintaining high-volume, low-latency distributed systems. Strong API design skills. Hands-on experience with AWS cloud-native deployment. A systems-thinking approach to performance, correctness, and failure modes ...

Backend Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £500 per day
backend engineer owning complex services in production. Production-level expertise in Go and/or Java. Experience building or maintaining high-volume, low-latency distributed systems. Strong API design skills. Hands-on experience with AWS cloud-native deployment. A systems-thinking approach to performance, correctness, and failure modes ...

Market Data Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
setting technical direction for a platform spanning financial instruments, corporate actions, market calendars, and alternative datasets: working across asset classes, in a low-latency environment where data correctness isn't just good practice, it's P&L-critical. The stack leans on C++ and Python , and the challenge ...

Machine Learning Engineer, Video Quality Analysis

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reliable results in near real‐time. Key responsibilities: Develop detectors using advanced computer vision and machine learning (ML) techniques. Optimize solutions to ensure low latency and cost‐effective operation at scale for customers. Apply deep knowledge of the Machine Learning lifecycle, including model training, optimization, experimentation, and maintenance. ...

Core Engineer (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
legacy code. What you will be working on Designing and building high performance C++ systems that sit directly in the live trading path Optimising latency, throughput, and determinism across highly concurrent systems Working on market data capture, normalisation, and internal distribution at scale Building and evolving simulation and backtesting … plus years of experience building performance critical systems in C++ Strong background in performance optimisation across CPU, memory, and network boundaries Experience with low latency systems, distributed systems, or high throughput pipelines GPU or accelerator experience is a strong plus Comfortable working close to the metal and reasoning ...

Electrical Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
RTOS experience, including custom kernel builds Knowledge of networking (TCP/IP, UDP) and communication protocols (CAN, UART, I2C) Skills optimising code for low-latency, high-performance applications What's on Offer Competitive salary Equity package Health, Dental & Vision Insurance Paid Time Off Onsite role based in Austin ...

Senior Full Stack Engineer

Hiring Organisation
Ocean Orchestra
Location
London, UK
services, CI/CD pipelines, and DevOps practices. System architecture experience designing scalable, maintainable applications from ground up. Experience in building scalable maintainable low latency SaaS products. A track record of thriving in fast-moving environments that are full of ambiguity and opportunity. Expert in solving deep technical ...