26 to 50 of 65 Low Latency Jobs in the City of London

Senior Network Engineer (AWS & Python)

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£580 - £630/day Inside IR35 (Negotiable rate)
operates a complex global technology estate, with network infrastructure connecting data centres, offices, cloud environments and critical trading services. Network availability, resilience, security and low-latency performance are fundamental to its operations. This is a hands-on senior engineering position offering significant technical ownership across a global production … networking . Knowledge of multicast networking . Experience with network automation using Python and Ansible. Previous experience within financial services, trading or other low-latency technology environments. Experience working within a global 24x7 follow-the-sun engineering model. Disclaimer: This vacancy is being advertised by either Advanced Resource ...

Real-Time Market Data Engineer: Low-Latency & Automation

Location
City Of London, England, United Kingdom
real-time market data infrastructure in a fast-paced financial environment. You will ensure data is captured, processed and delivered with high availability and low latency, collaborating with exchanges, vendors, and internal platforms. The role offers London-based Hybrid work and exposure to leading market data tools. #J ...

Senior Rust Engineer

Location
City Of London, England, United Kingdom
Senior Rust Engineer Up to 120,000 Remote (UK OR Germany) Low Latency | Async Rust | Tokio Drones We have a new and exclusive partnership with one of the most exciting scale-ups in Europe, who are looking to double in size their engineering team. They have a valuation … such as C, C++, or Core Java. Candidates from functional backgrounds such as Scala, Erlang or Clojure are also encouraged to apply. Experience developing low-latency, high throughput systems. Nice to have: Experience working with drones or robotics experience working with microcontrollers This is an excellent opportunity ...

Director - Data Science & Machine Learning (Logistics)

Location
City Of London, England, United Kingdom
roadmap for real-time decision systems: demand forecasting and supply balancing, order-to-courier assignment, and dynamic pay and fee pricing. All running as low latency production services at marketplace scale. Understand and shape courier behaviour: lead incentive and pay design grounded in economics and causal modelling, anticipating … managers Deep credibility in real-time ML and marketplace or network optimisation (logistics, ride‐hailing, delivery or similar) Experience taking models from research into low-latency production at scale Strong grounding in experimentation and causal inference under network effects, and in the economics of multi-sided marketplaces where ...

Senior Platform SRE

Location
City Of London, England, United Kingdom
large‐scale systems fail and how to make them fail safely; circuit breakers, bulkheads, idempotency, graceful degradation, and load‐shedding; high‐throughput, low‐latency environments preferred. Incident management: on‐call experience on production systems, blameless PIR facilitation, contributing‐factor analysis, and driving action items to closure; PagerDuty ...

Backend Software Engineer

Location
City Of London, England, United Kingdom
following Experience with PHP Experience with Kafka, RabbitMQ or other messaging technologies Experience with event-driven architectures Experience of real-time, low-latency transaction-based systems Knowledge of AWS, Docker and CI/CD practices Experience with PostgreSQL, MongoDB or BigQuery Exposure to data platforms, ETL processes ...

Senior Engineer - LMEsmart

Location
City Of London, England, United Kingdom
cloud (e.g., AWS) and IaC (e.g., CloudFormation) Skills set and Core Competencies Required for Role: Highly proficient in Java; able to build high-throughput, low-latency services. Understanding of containers and Kubernetes; ability to implement complex network topologies in cloud like environments. Ability to scale applications to handle ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £140000/annum
technical discipline Highly Desirable Experience in any of the following would be particularly valuable: Multi-threaded and concurrent application development Asynchronous and parallel programming Low-latency or high-throughput systems TCP/IP, UDP or network programming Distributed systems and service-oriented architectures Performance profiling and optimisation Automated ...

Senior Java/FIX Engineer - IG Prime

Location
City Of London, England, United Kingdom
future gets built here. Your Team: Join IG's public-facing API team, who ownopen spectrading APIsandFIXprotocol usingcutting edge techfor IGintuitionalclients.Delivering secure, high-performance, low-latency solutions. Your role in the Team’s Success: Our team sits within the IG Prime division, building the institutional side … order and execution flow, and reference data, running continuously through the trading day. When these systems degrade, clients notice immediately — so resilience, correctness and latency aren't aspirations here, they're the job. You'll join at a genuinely interesting point: we're building a new suite of cloud ...

Development Engineer C++

Location
City Of London, England, United Kingdom
Overview In this role you will work with the Product team, Infrastructure team, and QA team, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several … drive to solve complex problems alongside a talented team. Desired Skills/Experience Familiarity with real-time or event-driven systems — any context where latency and throughput matter. Exposure to Boost libraries. Knowledge of capital markets protocols such as FIX or SBE. QuestDB or Dolt. Any open-source contributions ...

Software Engineer - London

Location
City Of London, England, United Kingdom
microservices using AWS-native services. Building out integration points for AI tools via Model Context Protocol (MCP) frameworks. Improving system performance, automated failovers, and low-latency client routing. Collaborating within an established engineering team to maintain operational standards. What We Are Looking For Solid software engineering background with ...

Senior Python Developer ETrading

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£110000 - £140000/annum
systems. Lead projects with real commercial impact. Collaborate with high-performing engineering teams across Europe and the US. Gain exposure to complex, high-throughput, low-latency environments. Grow your leadership and technical expertise in a challenging and rewarding setting. To find out more about Huxley, please visit ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
work effectively with technical and non-technical colleagues. A degree in Computer Science, Mathematics, Physics, Engineering, or a related technical discipline. Desirable Experience: Low-latency, high-throughput, multithreaded or parallel systems. Network programming using TCP/IP or UDP. Distributed systems and service-oriented architectures. Performance profiling ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment Limited
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
work effectively with technical and non-technical colleagues. A degree in Computer Science, Mathematics, Physics, Engineering, or a related technical discipline. Desirable Experience: Low-latency, high-throughput, multithreaded or parallel systems. Network programming using TCP/IP or UDP. Distributed systems and service-oriented architectures. Performance profiling ...

Trade Floor Operations - FICC

Location
City Of London, England, United Kingdom
production support for Fixed Income trading platforms (Rates, Credit, FX, Bonds, Derivatives). Monitor and maintain system health, ensuring high availability and low latency of critical trading applications. Support and enhance monitoring capabilities using ITRS Geneos, initially within FICC and expanding to other asset classes. Create monitoring capabilities ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
testingExperience with AWS (AWS Lambda, AWS Fargate, Amazon API Gateway, AWS AppSync)Worked within an Agile Cross-functional delivery team.Developing well tested software into low latency event driven production environments.Full software development lifecycle in a technical role.Pub/Sub patterns with Messaging technologies (such as SOLACE/AMQP ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Software Engineer: Sports Betting Up to £120,000 + Bonus + Excellent Benefits London - 5 Days On-Site Python Java AI Low Latency Distributed Systems Build software where performance, mathematics and real-time decision-making genuinely matter. We're partnering with a highly technical sports betting business ...

Senior Software Engineer C++

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 115,000 Annual
Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within it's workforce and welcomes applications from a diverse background ...

KDB Specalist

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £1000/day Inside IR35 (Negotiable Market rate)
critical platforms that underpin Prime Brokerage, Financing, Intraday Risk, Market Data and time-series analytics. These are business-critical systems that process high-volume, low-latency financial data and are used directly by front office, quantitative and risk teams. You'll play a key role in designing scalable ...

Co-founder & Head of Quantitative Trading Research

Hiring Organisation
Job Board Direct
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Develop models and workflow for signal generation, trade sizing, hedging and inventory management Design realistic backtesting and simulation methodologies, accounting for transaction costs, slippage, latency, execution rejection and partial fills Optimise strategies for profitability, robustness, capacity and risk-adjusted returns Work closely with the FPGA and software engineers … statistical arbitrage Demonstrable track record of developing strategies used in live trading, Familiarity with FX ECNs, DMA and institutional execution protocols Experience with latency-sensitive strategy design and hardware-accelerated computing, preferably using quantum algorithms Understanding of machine learning, optimisation and time-series methods First 6-month objectives Assess ...

Network Engineer

Location
City Of London, England, United Kingdom
seeking a capable Network Engineer to support, shape, optimise, and scale our infrastructure. You’ll join a small, expert Network team working across a low-latency trading network, cloud environments and on-premises systems—contributing to both strategic projects and hands‐on engineering. We are looking for someone ...

Deployment Engineer, Managed Services

Location
City Of London, England, United Kingdom
such as GitLab CI Familiarity with infrastructure as code tooling such as Ansible or Terraform Experience working in financial technology or similarly regulated and low-latency environments Knowledge of networking fundamentals — VLANs, firewalls, routing — relevant to client site deployments Familiarity with exchange or trading platform technology About Aquis ...

AI Architect

Hiring Organisation
Hackajob Ltd
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
decompose complex patent questions, plan multi-step analyses, and compose insights from multiple data sources. Design retrieval and search architectures that deliver accurate, low-latency patent intelligence across both structured analytics and unstructured text corpora. Define patterns for AI-driven enrichment and classification of patent data at scale ...

C++ Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 95,000 Annual
C++ Developer (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Back-end) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within it's workforce and welcomes applications from a diverse background, REC Solutions ...

Linux Site Reliability Engineer

Location
City Of London, England, United Kingdom
other public cloud environments. Knowledge of monitoring and observability platforms. Experience with infrastructure automation. Previous experience within financial services, trading, investment banking or other low‐latency technology environments. Experience working within a global 24x7 support model. #J-18808-Ljbffr ...