1 to 25 of 696 Low Latency Jobs

Senior Software Engineer – Ultra Low Latency Risk Engine Developer

Location
Greater London, England, United Kingdom
Senior Software Engineer – Ultra Low Latency Risk Engine Developer Overview Citi Equities Technology | Equities Electronic Execution (Electronic Trading) Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Lead Developer to join the Equities Electronic Execution (Electronic Trading) technology team. … This role is focused on the design, development, and delivery of Citi's next-generation low-latency Risk Engine for cash equities and its integration into the broader execution platform — encompassing the Centralised Position Service, Client Connectivity, Market Access layers, and high-throughput market data processing. Role Overview ...

Senior Software Engineer – Ultra Low Latency Risk Engine Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a Senior Software Engineer – Ultra Low Latency Risk Engine Developer to join the Equities Electronic Execution (Electronic Trading) technology team. This role is focused on the design, development, and delivery … Citi's next-generation low-latency Risk Engine for cash equities and its integration into the broader execution platform — encompassing the Centralised Position Service, Client Connectivity, Market Access layers, and high-throughput market data processing. The engineer will own critical, latency-sensitive risk-checking components that ...

Senior Low Latency Java Engineer

Location
Greater London, England, United Kingdom
Senior Low Latency Java Engineer This is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. The role … provide senior, low-latency systems and application framework engineering (skilled in Java, C++, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures (HPA ) team. The team require a specialist on algorithmic trading systems utilities including but not limited to market data replay and back ...

Low Latency Rust Software Engineer

Location
Greater London, England, United Kingdom
Low Latency Rust Engineer Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From … Technology Team. The overall objective of this role is to lead applications systems analysis and programming activities. The role is to provide senior, low-latency systems and application framework engineering (skilled in Java, C++ , Rust, KDB, market data, algorithmic trading technology) within the London Based High Performance Architectures ...

C# / .NET Developer – Front Office, Electronic & Low Latency Trading Systems

Location
Greater London, England, United Kingdom
C#/.NET Developer – Front Office, Electronic & Low Latency Trading Systems Join MARGO in the UK (London) – Perm & Contracting Opportunities MARGO is a tech-native consultancy delivering high value-added IT expertise to the financial services industry. We specialise in complex software engineering environments where performance, robustness … scalability are critical: real-time systems, low-latency architectures, distributed computing and high-throughput data processing. Joining MARGO means working in demanding Front Office and Trading IT environments, while benefiting from a human-sized structure, close follow‐up and tailor‐made training paths. Business Context You will join ...

Lead Technical Program Manager - Low Latency Market Trading

Location
City Of London, England, United Kingdom
Lead Technical Program Manager in Corporate Technology, you will lead the delivery of complex, high-impact technology programs supporting electronic trading across multi-asset, low-latency market environments (e.g., equities, FX, rates, credit, listed derivatives). You will apply strong technical fluency and pragmatic electronic trading domain knowledge … deep specialist” level) to drive measurable business outcomes—improving latency, throughput, resilience, control posture, and time-to-market . You will partner with engineering, product, trading, and operations stakeholders to deliver strategic roadmaps, manage dependencies, and ensure programs align with firm objectives. Your ability to navigate ambiguity, influence decision ...

C++ Developer – High Frequency Trading (HFT Systems)

Location
Greater London, England, United Kingdom
Performance Trading Environments MARGO is a tech-native consultancy delivering elite software engineering expertise to the most demanding financial markets environments. We operate in latency-critical trading contexts where performance, determinism and predictability are core system requirements. Our consultants work in highly specialised trading environments, designing systems that interact … directly with exchanges and market venues under extreme time constraints. Business Context You will join a High Frequency Trading/Low Latency Trading environment within one of our partners (investment banks, proprietary trading firms or market makers). The teams design, build and operate latency-sensitive trading ...

Software Engineer - High-Performance Java / Low Latency

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35 via Umbrella
Software Engineer - High-Performance Java/Low Latency Role Type: Contract (Inside IR35) Location: London, UK (Hybrid - 3 days per week in-office) Overview We are looking for a specialist High-Performance Java Engineer to join our team in London, focusing on the expansion of Agency Liquidity based … Principal Risk. In this role, you will work closely with CRB to drive key EMEA and US regional projects, developing low-latency, event-driven trading platforms. Core Responsibilities Design, build, and optimize high-throughput, low-latency concurrent systems for agency liquidity expansion. Perform fine-grained ...

Senior Low Latency Rust Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Senior Low Latency Rust Engineer Electronic Trading London | Hybrid max 3 days per week in office We are assisting with the hire of an experienced low-latency engineer to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading … development role attached to one desk or application. The team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered. Approximately 90% of the role is hands-on coding , with a major focus on Rust alongside modern Java. What youll ...

Low Latency Developer

Location
Greater London, England, United Kingdom
Join Barclays as a Low Latency Developer and become part of a technology team responsible for building and enhancing high performance trading systems that support critical business activity across our markets platform. This role is focused on the ongoing development and optimisation of a key platform supporting algorithmic … trading capability and strategic revenue growth across the business. You will work on mission-critical, latency-sensitive applications where speed, stability, and precision are essential, helping to deliver new algorithm rollouts and ensure the platform continues to meet the demands of a fast-moving trading environment. To be successful ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
client is a prestigious buy-side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency … execution speed are critical to trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates
Location
EC2N, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £170000/annum Circa 40-80% Bonus + Bens
client is a prestigious buy-side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency … execution speed are critical to trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies ...

Senior Low Latency Software Engineer - Equities Execution (SVP)

Location
Greater London, England, United Kingdom
Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency … global strategy and cross-regional delivery is a key aspect of this role. Responsibilities Core Development: Design, development and maintenance of high-performance, low-latency electronic execution systems Product Collaboration: Partner with traders, quant researchers, and clients to understand their needs and translate them into innovative product features ...

Trading Systems Developer

Location
Greater London, England, United Kingdom
Trading Systems Software Engineer - FIX, Etrading Location: London or Newcastle. Tech Stack: C#.NET, .NET Core, CI/CS, Low Latency, FIX Connectivity, Interest Rates Derivatives, API’s The company This is an opportunity for an experienced and Senior C#.NET Electronic Trading Engineer to join one of the leading … London or Newcastle office presence. Smart, entrepreneurial colleagues at the cutting edge of digital assets. What you will do Build the next generation of low-latency IRD’s trading systems from the ground up. Develop core server-side C#.NET components across order management, market connectivity, low latency ...

Senior Rapid Application Developer

Hiring Organisation
REC SOLUTIONS LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Application Developer ***Hybrid, 3 days a week in the office 2 days remote*** About the Company Senior Rapid Application Developer (Financial Services, FinTech, Trading, Low Latency, C++, Linux) My client is a leading, fast-growing exchange based in the City of London, operating at the cutting edge … people from all backgrounds and give engineers the opportunity to make a genuine impact. Job Overview Senior Rapid Application Developer (Financial Services, FinTech, Trading, Low Latency, C++, Linux) In this role you will be working with the Product, Infrastructure, QA, and Operations teams to solve complex problems ...

Java Low Latency Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Position: Java Low Latency Engineer Location: London, UK (Hybrid-2/3 days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. … ideal candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge ...

Senior Low Latency Rust Engineer – Electronic Trading McGregor Boyall · United Kingdom

Location
United Kingdom
# Senior Low Latency Rust Engineer – Electronic TradingMcGregor Boyall · United Kingdom · Senior · HybridView & Apply## About the RoleWe are assisting with the hire of an experienced **low-latency engineer** to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading … development role attached to one desk or application. The team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered.Approximately **90% of the role is hands-on coding**, with a major focus on **Rust** alongside modern Java.* **What ...

Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading)

Location
Belfast City District, Northern Ireland, United Kingdom
Senior Low Latency Java Engineer - Equities Electronic- Execution (eTrading) Engineer the future of global finance. At Citi, our Tech teamdoesn’tjust support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countriesoperatingat a scale few can match. … Execution (Electronic Trading)technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses critical components including Algorithmic Trading, Smart Order Routing (SOR), Dark Pool & Internalization engines, Low latency ...

EMEA Head of Client Connectivity Engineering (SVP)

Location
Greater London, England, United Kingdom
team. The person in this role will be responsible for designing, leading the development, and ensuring the operational excellence of Citi's next-generation low-latency connectivity platforms. This encompasses critical components including low-latency Client Connectivity, Order Management, Algo access as well as Direct Market … innovation and engineering excellence. Strategic & Technical Leadership: Contribute to the definition and execution of the technical vision, strategy, and roadmap for the global low-latency connectivity platform, ensuring alignment with both regional and global business objectives and market trends. Team Management & Mentorship: Lead, manage, and mentor a geographically ...

Front Office Software Engineer

Location
Greater London, England, United Kingdom
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands‐on role at the core of our market‐making technology stack, where nanoseconds matter and engineering excellence … critical. You’ll design and build ultra‐low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance‐critical environments and want your work to have real market impact, we’d love to hear from you. Please note that this ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

Equities Technology (Low Latency Developer) - JAVA OR C++

Location
Belfast City District, Northern Ireland, United Kingdom
Equities Production Support teams. Implementation and enhancement of new/altered systems. Working with a business group who are committed to technology and receiving low latency market data. Design and development of the Global Market Data platform in EMEA. Design and development of system functionality. Coordination of Exchange … Market Data platform. The Global Market Data platform is evolving rapidly, offering many opportunities to exercise and improve technical skills in the area of low latency. The role also offers the opportunity to learn the Equity Trading business. Key Skills and Experience required: Significant years of working knowledge ...

Senior Software Engineer

Hiring Organisation
Method-Resourcing
Location
City of London, London, United Kingdom
Employment Type
Permanent
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 … delivering features or maintaining an existing codebase. You'll have significant technical ownership, contribute to architectural decisions and work alongside engineers tackling problems around latency, scalability, reliability and large-scale data processing. The Role You'll join a highly technical engineering team building and evolving systems used within ...

JAVA Backend Engineer

Hiring Organisation
DCV Technologies
Location
Bristol, City of Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day - Hybrid / Inside IR35
client is currently looking for a highly skilled Senior Java Backend Engineer with 8+ years of experience in designing, developing, and optimizing real-time, low-latency data processing platforms . The ideal candidate should possess strong expertise in Java, distributed systems, event-driven architectures, streaming technologies, and data … data across multiple systems while ensuring reliability, scalability, and performance Required Experience 8+ years of backend application development experience using Java. Experience building ultra-low-latency systems (<100ms processing latency). Experience handling systems processing millions of events/transactions daily. Real-time data synchronization across multiple ...

Senior C++ Developer (with Market Data experience)

Location
Greater London, England, United Kingdom
Project description We are looking for a C++ engineer to design and build high performance, low latency applications that process large volumes of real time data. You will work on systems where microseconds and throughput matter, optimizing every layer from algorithms and data structures to networking … Gross per year based on the interview process results. Responsibilities Design, implement, and maintain high performance C++ services handling high message rates and low latency workloads. Optimize existing components for latency, throughput, and CPU/memory efficiency. Develop and tune networking, messaging, and I/O layers ...