19 of 19 Performance Engineering Jobs in London

EMEA Region (Remote/Hybrid/Project-Based Engagement) Engagement Type Consultancy Contract (Full Programme Assignment: 6 months, extendable)About the Opportunity A specialist engineering consultancy is seeking a Senior Data Centre Telecoms & Network Design Consultant to support large-scale infrastructure programmes across EMEA. This role sits within … high-performance engineering delivery function providing design assurance, architecture support, and technical validation across complex data centre and cloud-integrated environments, including next-generation compute and AI infrastructure. You will work alongside senior engineering stakeholders, design authorities, and delivery teams to ensure infrastructure designs meet stringent standards ...

.NET Performance Engineer- Global tech. company - UK - remote Excellent opportunity to join a new team, owning the runtime health and throughput characteristics of the platform. This is a specialist contributor role - you won't be building feature logic, you'll be ensuring the systems that … experience - usage of AI tools (Claude, CoPilot, ChatGPT) - highly desirable 4-5+ years of .NET/C# development with a demonstrable specialism in performance engineering Deep, hands-on experience with .NET profiling tools - dotMemory, dotTrace, PerfView, Visual Studio Diagnostic Tools, or equivalent Strong understanding of .NET memory ...

real-time market data systems that directly support trading and investment activities across global markets. This is an opportunity to work in a high-performance engineering environment with close interaction across trading, quantitative research, and infrastructure teams. Responsibilities Design, develop, and maintain high-performance C++ applications supporting … time market data systems, including feed handlers, normalisation layers, and data distribution services. Work closely with traders and quantitative teams to improve trading infrastructure performance, reliability, and scalability. Enhance trading platform resiliency, monitoring, and operational tooling across Linux-based environments. Contribute to the architecture and optimisation of high-throughput ...

leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading, and electronic execution environments. This role sits at the intersection of low-latency software engineering and infrastructure optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows. The Role Design and develop low-latency trading systems supporting market data, execution, and order routing Build high-performance distributed systems used across trading and liquidity platforms Optimise application, operating ...

high-performing Core Trading team building the systems at the heart of a large-scale electronic trading platform. This is a hands-on backend engineering role focused on developing low-latency, high-throughput distributed systems responsible for order execution, booking, valuation, and real-time risk management across multiple trading … products. The environment is highly technical, fast-paced, and engineering-driven, with strong ownership and direct business impact. The role: • Design and develop low-latency backend trading systems • Build high-throughput distributed systems using asynchronous event-driven architectures • Deliver new functionality across OTC trading, institutional trading, and electronic execution ...

looking for a high-calibre Solution Engineer with a passion for performance and capital markets technology to deliver complex, front-office trading systems for leading global investment banks, asset managers, fintechs and exchanges. This role sits at the intersection of engineering excellence, client engagement, and strategic delivery — working … build highly performant, resilient, low-latency trading platforms across OMS, EMS and exchange connectivity environments. What you’ll be doing Designing and delivering high-performance, low-latency trading solutions in capital markets environments Contributing directly to the codebase on the most technically challenging aspects of client deliveries Architecting performant ...

HCLTech is a global technology company, home to more than 220,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions … J2EE/REACT Java Script, and Node applications Research latest technology, concepts, conceptualize solution and develop proof of concept that will improve resiliency and performance of the production infrastructure Design and implement innovative solution/framework that will improve software engineering velocity, infrastructure resiliency and security, and data ...

Senior C++ Software Engineer - Systematic Trading 12-month contract - £600 to £850/day (Inside IR35) Global Trading & Supply | High-Performance Systematic Trading Technology As a Senior C++ Software Engineer , you'll work closely with technologists, quants, and traders to design, optimise, and scale our in-house global derivatives … full stack of proprietary trading technology - from ultra-low-latency exchange connectivity to strategy engines - with the autonomy and impact expected in a high-performance engineering culture. You will be instrumental in ensuring ultra-low latency, deterministic performance, reliability, and scalability while shaping the next generation ...

components, spanning web applications, backend systems, and Machine Learning (ML) infrastructure. You will also be a key partner to the heads of Hardware, Design Engineering, and Animal Science, ensuring software is seamlessly integrated with physical systems, user experience, and domain expertise. This is a hands‐on, strategic leadership role … cross‐functional leaders to drive innovation. Responsibilities Technical Leadership Define, implement, and scale the software architecture across web, backend, and ML systems. Maintain strong engineering standards for code quality, security, testing, and deployment. Lead key technical initiatives, contributing code and architecture reviews. Drive integration of software with hardware systems ...

with a global Real Time data platform operating in ultra-low latency, high-throughput environments across distributed systems. This role sits in a specialist engineering team building Kernel-level observability and telemetry infrastructure used to monitor and understand system behaviour in Real Time. What you'll be doing Build … using eBPF-based tooling (metrics, logs, traces at Kernel level) Design and implement system-wide visibility across latency-critical services Work with hotspot detection, performance profiling, and system behaviour analysis Extend low-level instrumentation where required (Linux Kernel tracing, high-efficiency data capture) Contribute to observability architecture across high ...

looking for a C++ Trading Platform Developer to join its London-based team. This is an opportunity to work at the intersection of high-performance engineering and digital asset markets, building and scaling a global trading platform that operates across dozens of exchanges worldwide. The environment combines … platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring systems Scaling and performance optimisation of core infrastructure The tech stack is primarily C++ and Python, running on Linux across both development and production. The focus ...

title: Software Engineer Location: London We are currently working with an exciting space engineering company in London developing next-generation spacecraft technology and looking to add a Software Engineer to the team. About them: Our client are building advanced technology for real-world space applications, working on systems that … maintain software for space-based systems • Work across embedded, flight or mission software development • Support system integration, testing and validation activities • Collaborate with multidisciplinary engineering teams • Contribute to the full software development lifecycle • Support the development of mission-critical technologies Role requirements: • Experience within Software Engineering • Strong programming ...

Rust Developer – Contract Opportunity Role Overview A leading technology-driven trading firm is seeking an experienced Rust Developer to join its high-performance engineering team. In this role, you will play a key part in designing, developing, and maintaining low-latency, mission-critical trading systems. This opportunity offers … fast-paced and intellectually stimulating environment where your work will have a direct impact on business performance. Key Responsibilities Develop and maintain high-performance trading applications using Rust Write clean, scalable, and well-tested code Collaborate closely with engineers, quantitative analysts, and operations teams to deliver reliable solutions Contribute ...

right target architecture Validate architectural decisions through directly executed Proofs of Concept (POCs) Produce high-quality architecture artefacts for governance and design forums Lead performance engineering and optimisation for a customised Salesforce org, with a strategic focus on transitioning to Salesforce out-of-the-box (OOB) capabilities wherever ...

right target architecture Validate architectural decisions through directly executed Proofs of Concept (POCs) Produce high-quality architecture artefacts for governance and design forums Lead performance engineering and optimisation for a customised Salesforce org, with a strategic focus on transitioning to Salesforce out-of-the-box (OOB) capabilities wherever ...

Infrastructure/Performance Engineer 📍 London (Onsite) | 🌍 Visa Sponsorship + Relocation Join a frontier AI company backed by NVIDIA, building large-scale open-weight foundation models alongside researchers and engineers from DeepMind, OpenAI, Meta, Anthropic, and Google Brain. ⚡ What You’ll Do Optimise GPU performance and training efficiency across ...

AIPX framework within the Balance Sheet Management (BSM) domain, ensuring that AI-driven insights are built on a foundation of robust, scalable, and high-performance engineering. Key Responsibilities: Lead cross-functional engineering teams to design, build, and deliver data-intensive platforms and AI-powered solutions aligned to strategic … leading the design and build of robust data pipelines and the creation of high-quality derived data products, ensuring alignment with AIPX architecture, performance standards, and business consumption needs. Provide strong technical direction across data architecture, cloud engineering, and AI/ML capabilities to ensure scalable, secure ...

.NET Performance Engineer- Global tech. company - UK - remote Excellent opportunity to join a new team, owning the runtime health and throughput characteristics of the platform. This is a specialist contributor role - you won't be building feature logic, you'll be ensuring the systems that ...

advanced high-frequency trading firms. This is a rare opportunity to work at the intersection of cutting-edge technology and global financial markets, where performance is measured in nanoseconds and innovation drives competitive advantage. You'll be part of a team that designs and builds ultra-low latency trading … systems deployed across global exchanges. Your work will directly impact trading performance, and you'll be empowered to push the boundaries of what's possible in software and hardware optimisation. Key Responsibilities Architect and implement high-performance C++ systems with extreme latency sensitivity. Optimise every layer ...