76 to 100 of 753 Low Latency Jobs in London

Senior Low-Latency Java Engineer — Hybrid Role with Finance Impact

Location
Greater London, England, United Kingdom
Citi is seeking a senior Low Latency Java Engineer to join its London-based High Performance Architectures team. You will own and optimize low-latency Java/Rust frameworks, work on market data and algorithmic trading tech, and help scale eTrading platforms across Citi's global ...

Senior Low-Latency Rust Engineer - Hybrid

Location
Greater London, England, United Kingdom
Citibank (Switzerland) AG in Greater London seeks a Senior Low Latency Rust Engineer to lead applications systems analysis and programming in the high-performance architectures team. This role demands significant experience in low latency algorithmic trading and Java development. Responsibilities include building event sourcing microservices, mentoring ...

Java Developer - Low Latency

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Core Java Developer – Algo Trading125,000 Plus BonusLeading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They are currently looking to expand their high … Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in JavaHelp engineer a new greenfield low latency trading platformWork on connectivity to Financial ExchangesImprove/maintain existing strategiesDevelop utility applications and excel tools to help with trading activitiesWork with ...

Senior Low-Latency Engineer (Java/C++/Rust) - Hybrid London

Location
Greater London, England, United Kingdom
Citibank (Switzerland) AG is seeking a Senior Low Latency Engineer in London to lead applications systems analysis and programming. This role will focus on low-latency systems and application framework engineering, requiring hands-on experience with Java and algorithmic trading technologies. The successful candidate will join ...

Low-Latency Rust Engineer — Hybrid Finance Tech

Location
Greater London, England, United Kingdom
Citi is seeking a Low Latency Rust Engineer to join the London-based Tech team. You will lead and implement high-speed trading systems, focusing on Rust/Java in a low-latency, event-sourcing framework. The role demands SME-level capabilities in algorithmic trading ...

Senior Low-Latency Java Engineer - London

Location
Greater London, England, United Kingdom
working with a leading global investment bank looking for an exceptional low-latency engineer to join its specialist electronic trading technology team. This is a highly hands-on position-around 90% coding-building Java and Rust event-sourcing frameworks that support algorithmic trading platforms across the bank. … serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/IP and kernel ...

Quantitative Developer/Trading Systems Engineer, Systematic Macro

Hiring Organisation
Millennium Management
Location
London, UK
Employment Type
Full-time
trading systems that underpin live systematic trading across global markets. Working closely withthe Senior Portfolio Manager, you will build and maintain the pod's low-latency trading infrastructure across Futures, FX, and Fixed Income. The successful candidate will join the systematic macro pod to build the real-time … liaising with central technology teams to leverage the firm's existing data and execution services. Principal Responsibilities Build the team's C++ latency-sensitive trading systems from market data ingestion to order execution Productionise performance-critical signal computation within the trading systems Build the supporting research infrastructure, including replay ...

DevOps Engineer - Crypto Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
+ benefits and bonusQuant Capital is urgently looking for a DevOps Engineer to join our high profile client. Our client is a well known Low Latency Algo Trading business. The firm deploys highly sophisticated low-latency algorithmic trading, pursuing a range of arbitrage strategies in both … responsible for Design of production infrastructureSet-up and maintenance of environments and services in cloud and/or on premisesArchitect, engineer and deploy low latency network infrastructure across multiple data centresWriting and maintaining cloud infrastructure scripts, buying into the infrastructure as code paradigmAssist in debugging and resolving production ...

Senior C++ Engineer

Location
Greater London, England, United Kingdom
high-frequency trading firm, is seeking a Senior C++ Engineer to join their core engineering team. This role focuses on building and optimising ultra low-latency systems that sit at the heart of trading operations. You’ll work on highly performant infrastructure where speed, reliability, and precision … critical to success in global markets. Key Responsibilities Design and develop high-performance C++ systems for low-latency trading environments. Optimise and maintain critical components of trading infrastructure to ensure maximum efficiency and reliability. Work on large scale, distributed systems that handle real time data and execution. Collaborate ...

Senior Backend Engineer (Data serving)

Hiring Organisation
Pleo
Location
London, UK
Employment Type
Full-time
product teams, AI agents, and customers directly accessing their own data. This Senior Backend Engineer role builds and owns that boundary: APIs and the low-latency serving layer underneath it. You will build customer-facing infrastructure where contract stability and latency are non-negotiable, and where … incremental syncs and cursor pagination).Design and optimise the read models, indexes, and caching strategies in Postgres (and future OLAP stores) to guarantee low-latency query performance. Build reliable integrations with Pleo's Kotlin-based product backend services to ensure the serving layer surfaces the correct data required ...

Senior Low-Latency Java Engineer - Trading Systems

Location
Greater London, England, United Kingdom
Citibank (Switzerland) AG is seeking a senior Low Latency Java Engineer in London to lead Java-based, microservices-driven architecture in a high-performance trading environment. You will work within Citi Tech's London-based High Performance Architectures (HPA) team on low-latency frameworks and market ...

Software Developer C++

Location
Greater London, England, United Kingdom
matching engines, FIX gateways, and other electronic trading applications. Your expertise in Java and C++ will be instrumental in building and maintaining high-performance, low-latency solutions that power our financial services business. Responsibilities Design, develop, and enhance matching engines, FIX gateways, and other electronic trading applications. Build … maintain high-performance, low-latency applications using Java and C++. Develop and support client-server applications and real-time market data or trading gateways. Work with FIX and other electronic trading protocols, ensuring seamless integration. Develop efficient in-memory data structures and processing techniques for optimal performance. Troubleshoot ...

Principal Java Developer

Location
Greater London, England, United Kingdom
Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Principal Java Engineer to join our high‐performing engineering team, working on low latency, high‐throughput systems in the payments processing domain. This hybrid role is based in the UK or US and offers the opportunity … SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities: Design, develop, and optimize low-latency, high-throughput backend systems using Java. Build and maintain RESTful APIs and microservices that power secure payment workflows. Work with messaging standards ...

Java Developer- Algo Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Low latency Java Developer – Algo TradingUp to 160,000 p/aLeading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They are currently … Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in JavaHelp engineer a new greenfield low latency trading platformWork on connectivity to Financial ExchangesImprove/maintain existing strategiesDevelop utility applications and excel tools to help with trading activitiesWork with ...

Senior Low-Latency Java Engineer - London

Hiring Organisation
McGregor Boyall
Location
London, UK
Employment Type
Full-time
+ Bonus + Benefits City of London, LondonPermanentI'm working with a leading global investment bank looking for an exceptional low-latency engineer to join its specialist electronic trading technology team. This is a highly hands-on position-around 90% coding-building Java and Rust event-sourcing frameworks … serious scale, with response times in the 10-100 microsecond range. We're looking for experience in:* Modern Java and JVM performance optimisation * Low-latency algorithmic trading systems * Market data and back-testing/simulation tools * Linux internals, system calls and kernel tuning * TCP/IP and kernel ...

Software Developer C++

Hiring Organisation
Cantor Fitzgerald
Location
London, UK
Employment Type
Full-time
matching engines, FIX gateways, and other electronic trading applications. Your expertise in Java and C++ will be instrumental in building and maintaining high-performance, low-latency solutions that power our financial services business. At least 5 years of professional software development experience, with a strong focus on Java … experience in developing applications using FIX or similar electronic trading protocols is a must. A proven track record in working within a high-frequency, low-latency, or electronic trading environment. Strong understanding of networking concepts and protocols, including TCP/IP, UDP, unicast, and multicast. Good knowledge ...

Senior Ultra-Low Latency Risk Engine Lead

Location
Greater London, England, United Kingdom
Citi Equities Technology in London is seeking a Senior Software Engineer to own the ultra-low-latency risk engine in the cash equities trading hot path, with leadership responsibilities inspiring a distributed team. You will design, implement, and tune multi-threaded components, apply JVM or native performance techniques … collaborate with traders, researchers, and QA across regions to deliver low-latency risk checks and real-time controls. #J-18808-Ljbffr ...

FPGA Engineer | Low Latency Trading

Location
Greater London, England, United Kingdom
London-based proprietary trading firm specialising in digital asset markets. We develop trading technology in-house, and this role sits on the low-latency execution path. We hire from Mathematics, Physics, Computer Science and related fields, not for credentials, but for the ability to reason clearly under uncertainty … matters. Not in theory, not in backtests, but in nanoseconds that decide whether you trade or watch someone else take it. We design ultra-low-latency hardware systems that sit directly in the critical path of our trading stack. Custom logic on cutting-edge FPGA devices, tuned until ...

Systems Engineer

Hiring Organisation
Tower Research Capital
Location
London, UK
Employment Type
Full-time
organization. Engineers thrive at Tower while developing electronic trading infrastructure at a world class level. Our engineers solve challenging problems in the realms of low-latency programming, FPGA technology, hardware acceleration and machine learning. Our ongoing investment in top engineering talent and technology ensures our platform remains unmatched … existing Cloud environmentsWorking in complex brownfield Cloud environments that host 24/7 critical trading infrastructure that is specifically optimized for high frequency, low latency, real-time processing using custom OS builds and highly specific Cloud platform configurationsEngaging in a rotational on-call schedule, including early morning ...

VP - Low-Latency E-Trading Systems

Location
Greater London, England, United Kingdom
Citi in London is seeking a Lead Software Engineer to join the Equities Technology team. You will design and deliver low-latency electronic execution systems and collaborate with traders, quants, and clients. Join a global platform with hybrid work up to two days at home per week … competitive base salary and a broad benefits package. The role requires strong Java and Rust expertise, and experience with high-throughput, low-latency architectures. #J-18808-Ljbffr ...

C++ Developer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
C++ Developer – Smart Order RoutingReady to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the challenge you've been looking for. This is an opportunity to work … sharp end of trading technology – designing, building, and refining ultra-low latency software used in live front-office environments. You'll work across the full software stack and collaborate with high-performing market data teams to create systems that compete at nanosecond scale. Whether you're architecting ...

Senior Technical Lead - Real Time Platform

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
multi-asset markets. We're looking for a hands-on Senior Technical Lead to help modernise and scale this platform — a cloud-native, low-latency system that operates at global scale and underpins critical investment products used worldwide. This is an individual contributor leadership role. You'll lead … delivery without compromising control. WHAT YOU'LL BE DOING: Design and build real-time, event-driven systems that calculate and distribute index data with low latency and high reliability. Own platform architecture and engineering quality, leading through hands-on delivery, code review, and clear technical direction. Scale ...

Core Java Developer Fintech High Freq Trading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
join our high profile client. Our client is a well known specialized High Frequency FX Prop Trading firm. Their platform is based on distributed low latency systems involving complex multi-threading where performance is key. This is a fantastic opportunity for a Core Java J2SE expert to join … trading application, performance improvement, market connectors, and analysis tools. You will be involved with Automated Trading and Risk systems, with a focus on low latency and high throughput models. Systems are concurrent, real time and require excellent multithreading and heavy messaging knowledge. You will work with the latest ...

Network Engineer - Trading Contract

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
basis the Network Engineer will: Responsible for the on-premise global network. Set up a new high-performing, highly resilient, low-latency on-premise hub in London. On-board new business connections across the globe. Work with Arista, Fortinet, Cisco, Juniper and A10 network devices. Ensure efficient deployment … while promoting production change management processes and procedures. Network Engineers MUST have: Minimum 5 years' as a Network EngineerExperience in most of following technologies: low latency Arista switches, Fortinet firewalls, Cisco routing and switching products, Juniper SRX, A10 Load Balancers, Cisco ASA Firewalls, FortiManager, FortiAnalyzer and Corvil. Experience ...

Lead UI Developer – Single Dealer Platform (TypeScript / RxJS / React)

Location
Greater London, England, United Kingdom
Platform used by Sales, Trading, and institutional clients globally. The team works closely with product, UX, quantitative, pricing, execution, and infrastructure teams to build low-latency, real-time trading applications that power critical front-office workflows Role Description: We’re looking for a hands on Lead UI Developer … used by Sales/Trading and institutional clients. You’ll own the React/TypeScript codebase, bring reactive programming best practices (RxJS), and build low latency, event driven UI features for real time market data, pricing, RFQ, order entry, and trade capture. You will collaborate closely with product ...