26 to 50 of 52 Performance Engineering Jobs in the South East

an experienced Test Architect/Senior Test Manager with Consultancy experience to join them on a permanent basis due to company growth. They provide pioneering and cutting-edge Quality Engineering and Agile/DevOps transformation services. To be successful in this role you should bring consulting experience and the ability to work at ease and collaboratively to support their … clients. Delivery Requirements • Extensive experience in delivering complex test projects and programmes - Agile and Waterfall • Experience in working across the SDLC and understanding software engineering, strong knowledge of test phases eg Unit, System, Integration, UAT and NFT • Great working knowledge of test automation, performance engineering, DevOps, test environments, test data, test management, and SDLC tools • Ability to … level Test Strategies, Approach and Plans • Ability to create test estimates, budgets, and define/build reusable testing assets for large/complex projects • Experience in defining standard quality engineering architecture, methodology, technical and process improvement, and tools across engagements • Demonstrable ability to improve quality practices across the software delivery lifecycle including integration into project management methodologies Leadership Responsibilities More ❯

an experienced Test Architect/Senior Test Manager with Consultancy experience to join them on a permanent basis due to company growth. They provide pioneering and cutting-edge Quality Engineering and Agile/DevOps transformation services. To be successful in this role you should bring consulting experience and the ability to work at ease and collaboratively to support their … clients. Delivery Requirements • Extensive experience in delivering complex test projects and programmes - Agile and Waterfall • Experience in working across the SDLC and understanding software engineering, strong knowledge of test phases eg Unit, System, Integration, UAT and NFT • Great working knowledge of test automation, performance engineering, DevOps, test environments, test data, test management, and SDLC tools • Ability to … level Test Strategies, Approach and Plans • Ability to create test estimates, budgets, and define/build reusable testing assets for large/complex projects • Experience in defining standard quality engineering architecture, methodology, technical and process improvement, and tools across engagements • Demonstrable ability to improve quality practices across the software delivery lifecycle including integration into project management methodologies Leadership Responsibilities More ❯

is going through the gears, backed by world-class investors, and heading towards a big future. Theyve built a platform already trusted by global enterprise brands and now the engineering team is growing fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise … decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? High-performance engineering team smart, passionate, and collaborative Big mission accelerating how the worlds largest businesses understand and reduce carbon footprints Cutting-edge scale-up energy late seed, gearing up for Series A, equity on … a great fit if you bring: 7+ years backend experience (Python expertise essential) Strong knowledge of Django (or similar) and API design Experience scaling apps, with an eye for performance and reliability A proactive, problem-solving mindset and love for collaboration Enjoy a collaborative, chic, and modern office environment with team lunches, regular away days, and lots more! Package More ❯

We’re representing a high-performance engineering team developing record-breaking control and computing systems that blend software, hardware, and scientific research into a cutting-edge platform. Their technology has already achieved world-first milestones for precision and performance, and they’re now scaling towards full production systems. As a Senior Software Engineer , you’ll lead the … Python , and Rust . Architecting solutions that integrate custom hardware, sensors, and distributed computing systems. Implementing control, synchronisation, and data acquisition logic to run complex experimental setups. Optimising for performance, latency, and stability across multiple software layers. Contributing to architectural decisions, mentoring junior developers, and driving software quality across the team. Collaborating closely with scientists and hardware engineers to … direction, from development practices to infrastructure and tooling. What you’ll bring Extensive experience building low-level or control system software in C++ and Python , ideally in a scientific, engineering, or robotics environment. Strong grasp of real-time systems , multithreading , data acquisition , and hardware communication . Comfortable architecting systems that bridge the physical and digital worlds. A collaborative, pragmatic More ❯

We're representing a high-performance engineering team developing record-breaking control and computing systems that blend software, hardware, and scientific research into a cutting-edge platform. Please read the information in this job post thoroughly to understand exactly what is expected of potential candidates. Their technology has already achieved world-first milestones for precision and performance … C++, Python, and Rust. Architecting solutions that integrate custom hardware, sensors, and distributed computing systems. Implementing control, synchronisation, and data acquisition logic to run complex experimental setups. Optimising for performance, latency, and stability across multiple software layers. Contributing to architectural decisions, mentoring junior developers, and driving software quality across the team. Collaborating closely with scientists and hardware engineers to … direction, from development practices to infrastructure and tooling. What you'll bring Extensive experience building low-level or control system software in C++ and Python, ideally in a scientific, engineering, or robotics environment. Strong grasp of real-time systems, multithreading, data acquisition, and hardware communication. Comfortable architecting systems that bridge the physical and digital worlds. A collaborative, pragmatic approach More ❯

Power BI. The role requires deep technical expertise in Spotfire s visual and scripting frameworks, alongside the ability to reverse-engineer, redesign and optimize data models for scalable, high-performance reporting in Power BI. This role is critical to navigating functional parity, data transformation and performance alignment between platforms, working closely with business users, report owners and Power … and Power BI developers to align source data, dataflows and model transformations. Work with business stakeholders to define functional parity, consolidate multiple versions and recommend optimisations. Provide guidance on performance engineering approaches in Power BI, including model size reduction, incremental refresh, composite models, DirectQuery/Import trade-offs. Support UAT by validating that migrated Power BI reports meet More ❯

Power BI. The role requires deep technical expertise in Spotfire s visual and scripting frameworks, alongside the ability to reverse-engineer, redesign and optimize data models for scalable, high-performance reporting in Power BI. This role is critical to navigating functional parity, data transformation and performance alignment between platforms, working closely with business users, report owners and Power … and Power BI developers to align source data, dataflows and model transformations. Work with business stakeholders to define functional parity, consolidate multiple versions and recommend optimisations. Provide guidance on performance engineering approaches in Power BI, including model size reduction, incremental refresh, composite models, DirectQuery/Import trade-offs. Support UAT by validating that migrated Power BI reports meet More ❯

Power BI. The role requires deep technical expertise in Spotfire s visual and scripting frameworks, alongside the ability to reverse-engineer, redesign and optimize data models for scalable, high-performance reporting in Power BI. This role is critical to navigating functional parity, data transformation and performance alignment between platforms, working closely with business users, report owners and Power … and Power BI developers to align source data, dataflows and model transformations. Work with business stakeholders to define functional parity, consolidate multiple versions and recommend optimisations. Provide guidance on performance engineering approaches in Power BI, including model size reduction, incremental refresh, composite models, DirectQuery/Import trade-offs. Support UAT by validating that migrated Power BI reports meet More ❯

Power BI. The role requires deep technical expertise in Spotfire s visual and scripting frameworks, alongside the ability to reverse-engineer, redesign and optimize data models for scalable, high-performance reporting in Power BI. This role is critical to navigating functional parity, data transformation and performance alignment between platforms, working closely with business users, report owners and Power … and Power BI developers to align source data, dataflows and model transformations. Work with business stakeholders to define functional parity, consolidate multiple versions and recommend optimisations. Provide guidance on performance engineering approaches in Power BI, including model size reduction, incremental refresh, composite models, DirectQuery/Import trade-offs. Support UAT by validating that migrated Power BI reports meet More ❯

leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You'll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you'll do: Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds … comfortable debugging distributed systems. Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you're an engineer who loves optimisation, systems performance, and solving real production challenges - please apply. More ❯

leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You’ll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you’ll do: Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds … comfortable debugging distributed systems. Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you’re an engineer who loves optimisation, systems performance, and solving real production challenges - please apply. More ❯

leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You’ll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you’ll do: Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds … comfortable debugging distributed systems. Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you’re an engineer who loves optimisation, systems performance, and solving real production challenges - please apply. More ❯

leading quantitative crypto trading firm building globally distributed, ultra-low-latency systems that power their research and execution platform. You’ll work at the intersection of infrastructure, software, and performance engineering - solving deep technical problems at scale. What you’ll do: Own and optimise infrastructure behind a 24/7 web data and trading platform spanning multiple clouds … comfortable debugging distributed systems. Experience in high-throughput, low-latency, or large-scale environments (finance, trading, or scraping preferred). If you’re an engineer who loves optimisation, systems performance, and solving real production challenges - please apply. More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure’s More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions to esure’s More ❯

to service an entire F1 racing car at the pit stop. In Formula 1, every line of code, tool, and application you help develop has a direct impact on performance on the track. In a sport watched by over 525 million fans globally, even the smallest software gain can translate into meaningful lap time improvements. This job has been … created to shape the architectural direction of the team's software ecosystem - building scalable, high-performance tools that help aerodynamicists, performance engineers, and simulation teams make faster, smarter decisions when it counts. What you’ll do Work directly with aerodynamicists and engineers to uncover real requirements, challenge assumptions, and design solutions that improve workflows and decision-making. Define … users, and scale the best concepts into production-ready solutions. Modernise and unify legacy systems, reducing inefficiencies and ensuring platforms evolve alongside team ambitions. Collaborate across Aerodynamics and Vehicle Performance groups, influencing technology choices and promoting best practices. What you’ll need Extensive experience designing and building software systems in complex, engineering-driven environments. Strong C# programming skills More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid - 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With … of what's possible in the browser - solving problems of scale, speed, and complexity that ordinary web development never touches. What you'll do Design and optimise a high-performance UI framework used globally in real-time applications. Push the limits of JavaScript, TypeScript, and the browser runtime to handle millions of data points smoothly. Solve deep algorithmic and … and enterprises worldwide. What you'll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . A systems-level mindset : diagnosing bottlenecks, eliminating memory More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With … of what’s possible in the browser — solving problems of scale, speed, and complexity that ordinary web development never touches. What you’ll do Design and optimise a high-performance UI framework used globally in real-time applications. Push the limits of JavaScript, TypeScript, and the browser runtime to handle millions of data points smoothly. Solve deep algorithmic and … and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . A systems-level mindset : diagnosing bottlenecks, eliminating memory More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With … of what’s possible in the browser — solving problems of scale, speed, and complexity that ordinary web development never touches. What you’ll do Design and optimise a high-performance UI framework used globally in real-time applications. Push the limits of JavaScript, TypeScript, and the browser runtime to handle millions of data points smoothly. Solve deep algorithmic and … and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . A systems-level mindset : diagnosing bottlenecks, eliminating memory More ❯

Principal JavaScript Performance Engineer (with C++/Java/C# exposure) Location: London (Hybrid – 2 days WFH) Salary: £150,000 - £200,000 (Permanent)pension, private healthcare, gym membership, 25 days + 8 BH holiday allowance, tech/hardware budget. A high-growth software company is building the gold standard in UI frameworks and data-intensive visualisation technology . With … of what’s possible in the browser — solving problems of scale, speed, and complexity that ordinary web development never touches. What you’ll do Design and optimise a high-performance UI framework used globally in real-time applications. Push the limits of JavaScript, TypeScript, and the browser runtime to handle millions of data points smoothly. Solve deep algorithmic and … and enterprises worldwide. What you’ll bring Mastery of vanilla JavaScript and TypeScript , with additional exposure to C++, Java, or C# . Strong knowledge of data structures, algorithms, and performance optimisation . Experience with frameworks like React, Angular, or Vue , and a deep understanding of DOM internals and rendering pipelines . A systems-level mindset : diagnosing bottlenecks, eliminating memory More ❯

our Newpower facility in Bicester. The Job Summary: Wrightbus is a fast-moving company that has experienced considerable growth over the past year. We are currently seeking a Supplier Performance Engineer (Supplier Quality Assurance) to regulate, control, and improve supplier quality performance, minimising the impact and cost of poor quality on production, service teams, and customers. The Role … KPI's Coordinate and supervise daily work of line reports The Requirements: Minimum of 5 GCSEs grade C and above including Maths Time served tradesperson through apprenticeship Or HNC engineering or related subject or equivalent Minimum 4 years' experience in Quality role in a manufacturing industry Or Minimum 2 years' experience in Quality role in a in a highly More ❯

of the world's most 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 of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. … and real-time analytics pipelines. Ideal Candidate Expert-level proficiency in modern C++, with a deep understanding of low-level systems programming. Strong grasp of computer architecture, concurrency, and performance engineering. Experience with kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track More ❯

of the world's most 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 of the stack - from CPU cache and memory allocation to kernel bypass and network I/O. … and real-time analytics pipelines. Ideal Candidate Expert-level proficiency in modern C++, with a deep understanding of low-level systems programming. Strong grasp of computer architecture, concurrency, and performance engineering. Experience with kernel bypass technologies (e.g., DPDK, Solarflare/OpenOnload) and high-performance networking. Familiarity with Linux internals, NUMA, CPU affinity, and custom memory management. Proven track More ❯

eTrading C++ High Performance Engineer - Leading Quantitative Hedge Fund London 5 days in office Market Leading Compensation I am partnered with a global quantitative hedge fund operating who are seeking an exceptional Developer to help build the next generation of low-latency trading applications. This is a rare opportunity to work at the intersection of finance and technology, where … your code directly impacts trading decisions in real-time markets, working on mission critical systems. You will design and develop high-performance, low-latency trading systems using modern C++ and build responsive interfaces for traders and analysts. Essential Skills Experience: 4+ years of hands-on development experience in high-performance systems using C++ Proven experience working in both More ❯

eTrading C++ High Performance Engineer - Leading Quantitative Hedge Fund | London 5 days in office Market Leading Compensation I am partnered with a global quantitative hedge fund operating who are seeking an exceptional Developer to help build the next generation of low-latency trading applications. This is a rare opportunity to work at the intersection of finance and technology, where … your code directly impacts trading decisions in real-time markets, working on mission critical systems. You will design and develop high-performance, low-latency trading systems using modern C++ and build responsive interfaces for traders and analysts. Essential Skills Experience: 4+ years of hands-on development experience in high-performance systems using C++ Proven experience working in both More ❯