76 to 100 of 101 Low Latency Jobs in London

client, an HFT firm, is seeking a Senior Design Verification Engineer to work on high-performance FPGA and ASIC systems used in ultra-low-latency, real-time environments. Key responsibilities: Develop testbenches, tests, and verification environments for FPGA/ASIC designs Create and maintain detailed verification plans Debug ...

enterprise applications. Key Responsibilities Design, develop, and maintain scalable backend services using Python Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability ...

enterprise applications. Key Responsibilities Design, develop, and maintain scalable backend services using Python Build and enhance REST APIs and microservices Work on high-throughput, low-latency systems Deploy and manage applications on AWS cloud infrastructure Collaborate with cross-functional teams including DevOps and architecture Optimize performance, scalability ...

collaborative environment with exceptional organizational precision. In-depth knowledge of the quantitative tech stack , including proficiency in discussing C++, Python (NumPy/Pandas), Rust, Low-Latency systems, and Distributed Computing. Experienced Bay Area or Financial Hub recruiter with extensive knowledge of the competitive landscape in FinTech and quantitative ...

preferably Payments. Strong expertise in microservices architecture, cloud platforms (AWS/Azure/GCP), containers, Kafka, and distributed systems. Proven experience designing high-throughput, low-latency applications. Strong background in architecture governance , design reviews, and decision documentation. Experience working across Agile and Waterfall delivery models. ...

close to the metal - diagnosing crashes, optimising performance, and improving the resilience of real-time systems. What you'll be doing: Designing and building low-latency C++ applications Investigating and resolving production crashes Performing deep debugging (call stacks, memory issues, threading) Optimising multi-threaded, real-time systems Collaborating ...

preferably Payments. Strong expertise in microservices architecture, cloud platforms (AWS/Azure/GCP), containers, Kafka, and distributed systems. Proven experience designing high-throughput, low-latency applications. Strong background in architecture governance , design reviews, and decision documentation. Experience working across Agile and Waterfall delivery models. ...

Senior Exchange Connectivity Engineer to join their London office. This role sits at the heart of their trading infrastructure, focusing on ultra-reliable, low-latency integrations with major crypto exchanges. Key Responsibilities Design and implement exchange connectivity modules (REST, WebSocket, FIX, proprietary APIs). Optimize order entry, market ...

looking for an experienced Backend Engineer to help build, scale, and optimize next‐generation financial services infrastructure. You will work on high‐availability, low‐latency systems, powering consumer and business APIs used globally. This role is ideal for someone who thrives in fast-paced fintech environments ...

Quant & Trading Technology vertical - focused on elite technologists who directly impact trading performance and P&L. We specialize in placing: • Quant Developers (C++, Python, low-latency specialists) • Trading Systems Engineers • Platform & Infrastructure Engineers supporting systematic trading • Execution, electronic trading, and market connectivity specialists • High-performance computing and distributed ...

metal deployments. Strong experience with build and CI/CD tooling, with particular emphasis on Git-based version control and workflow management. Experience supporting low-latency systems and/or working within financial services environments is highly desirable. Hands-on experience packaging and maintaining software within ...

bias toward solving hard problems properly. What you will be doing: • Designing and developing PostgreSQL based database platforms used by high throughput, low latency systems • Engineering highly available, resilient database services, including replication, failover, and backup strategies • Working closely with platform reliability and infrastructure teams to harden systems ...

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 ...

estate, driving migration away from Legacy and externally hosted technologies (eg Guava), and supporting the transition toward company-owned infrastructure and more modern, low-latency architectures. The successful candidate will bring strong technical credibility with engineering teams , hands-on knowledge of Windows, Linux, and Cloud platforms , and experience ...

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 ...

Role Productionise machine learning models from research through validation, staging and live deployment Build, maintain and optimise scalable inference infrastructure supporting high-throughput, low-latency workloads Improve performance and reliability across GPU-based environments Design and implement model serving and deployment workflows Develop monitoring and observability tools … teams with evolving technical priorities Nice to Have Experience building or improving model serving infrastructure Understanding of distributed training or inference techniques Experience debugging low-level performance or hardware-related issues Exposure to real-time or latency-sensitive ML applications ...

with SSPs and DSPs. This role is well suited to engineers early in their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews … system performance and contribute to initiatives that optimise infrastructure usage and operational cost. Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges. Implement backend components following best practices in fault tolerance, load balancing, and resilient design. Develop an understanding of the programmatic ...

integrations with SSPs and DSPs.This role is well suited to engineers early in their career who want to deepen their expertise in distributed systems, low-latency services, and cloud-based infrastructure, while gaining exposure to the programmatic advertising ecosystem. You will be supported through mentorship, code reviews … system performance and contribute to initiatives that optimise infrastructure usage and operational cost.• Participate in diagnosing and resolving issues related to distributed systems, including latency, availability, and scaling challenges.• Implement backend components following best practices in fault tolerance, load balancing, and resilient design.• Develop an understanding of the programmatic ...

financial services? We're seeking an AWS Engineer to support a multi-year project involving deploying AWS Outposts within high-performance trading environments, ensuring low latency, resilience, and scalability for critical systems. You'll play a key part in modernising legacy applications, managing hybrid cloud infrastruc click apply ...

hire a senior Networking Specialist into a business-critical infrastructure role based in London, with hybrid working in place. This team underpins highly available, low-latency platforms that operate across international markets and demand exceptional network performance and stability. The role centres on the design, delivery, and optimisation ...

hire a senior Networking Specialist into a business-critical infrastructure role based in London, with hybrid working in place. This team underpins highly available, low-latency platforms that operate across international markets and demand exceptional network performance and stability. The role centres on the design, delivery, and optimisation ...

ability to lead complex technical changes or platform modernisation Extensive experience in software engineering, including leadership of multiple teams Experience working with transactional platforms (low latency) Prior experience leading cloud-native transformation programs is desirable Important Notice: Both Leo Technology and the companies we partner with are incredibly ...

skills, memory, orchestration Design and implement retrieval systems (RAG) that allow agents to access and reason over large knowledge bases and enterprise data Build low-latency, reliable entity retrieval pipelines across structured and unstructured data sources Work on internal and academic benchmarks to measure and push agent performance … scale-up, or Big Tech) Strong software engineering fundamentals and system design skills Experience building RAG or large-scale retrieval systems in production (latency, throughput, accuracy, relevance) Interest in agentic AI - prior agent experience is helpful but not mandatory Proactive, autonomous, and creative - you spot gaps and fill them ...

hiring C++ engineers to help build what they (and their clients) genuinely believe is the most advanced trading engine in crypto. It’s low latency, ML integrated, and already live with some of the biggest institutional players in the space. No legacy, no noise, no middle layers, just ...

including: OTEL Collectors OTEL Agents OPAM Agents Data pipelines to Kafka Bus Time-series and telemetry data storage Ensure platform designs support high scale, low latency, resiliency, and extensibility. CIO & Senior Stakeholder Engagement Act as the primary platform representative in CIO and senior leadership discussions. Translate executive requirements ...