1 to 25 of 49 Performance Engineering Jobs in the UK

of our DNA. To meet the needs of BCG's global, mobile, fast growing and increasingly diverse business, we are looking for a Global IT Senior Director for Quality Engineering role to lead and expand our central QA Center of Excellence (CoE) into an end-to-end QA Team. To execute this transformation, we need people who can translate … business needs into technology assets and decides "how" they are deployed, while owning the technology strategy and expertise development for Quality Assurance and Performance Engineering. Among your responsibilities, you will: Lead End-to-End Quality Assurance: Lead the development and expansion of a centralized Quality Engineering (QE) Centre of Excellence (COE), ensuring that quality and performance standards … network components. Ensure that rigorous quality control processes are applied consistently across all aspects of the technology stack, including cloud-native solutions, ensuring coverage across functional, non-functional, and performance testing. Introduce Automation and Release Management Rigor: Spearhead initiatives to introduce automated QA processes and establish formal QA frameworks for continuous integration/continuous delivery (CI/CD) pipelines. More ❯

Performance Tester - Financial Technology - Peterborough/Hybrid (Key skills: Performance Testing, LoadRunner, VuGen, Dynatrace, Splunk, SQL Server, .NET Framework, IIS, Windows Server, Agile, Test Analysis, System Monitoring, Scalability Testing, Financial Services, Application Performance Engineering) Are you a meticulous Performance Tester with a passion for precision, scalability, and delivering smooth digital experiences? Are you looking to … technology provider based in Peterborough, supporting high-volume enterprise platforms across payroll, HR, and compliance systems. As part of their continued investment in operational excellence, they are seeking a Performance Tester to join their performance engineering function and ensure that critical applications meet stringent scalability, performance and availability requirements. In this role, you'll be responsible … for developing and executing performance test strategies using industry-standard tools including LoadRunner, Dynatrace and Splunk. Working within an Agile delivery model, you'll collaborate closely with developers, engineers and QA specialists to validate non-functional performance requirements and support the early detection and resolution of bottlenecks. You'll help build out usage models that emulate real-world More ❯

Head of Performance & Reliability Engineering Full-Time - Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You'll shape strategy, lead performance testing and chaos engineering initiatives, and … embed reliability best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performance testing methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools … such as NeoLoad, k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring More ❯

Head of Performance & Reliability EngineeringFull-Time - Hybrid (3 days in Cambridgeshire) Up to £95,000 + Bonus This is an exceptional opportunity to join a major organisation at a pivotal stage in their digital transformation. As Head of Performance & Reliability Engineering You'll shape strategy, lead performance testing and chaos engineering initiatives, and embed reliability … best practices across engineering, DevOps, and infrastructure teams. This is a senior, strategic leadership role focused on system excellence, observability, and continuous improvement. Ideal Candidate: Proven experience leading Performance Engineering, Reliability, or SRE functions Deep expertise in performance testing methodologies (load, stress, spike, soak) Strong hands-on background with LoadRunner and Dynatrace (plus tools such as … NeoLoad, k6, or JMeter) Skilled in chaos engineering , resilience testing , and system scalability Experience defining and managing SLOs, SLIs, and error budgets Strong knowledge of distributed systems , cloud platforms (AWS, Azure, or GCP), and microservice architectures Proven ability to influence senior stakeholders and embed performance and reliability into the SDLC Inspirational leader with experience building, mentoring, and enabling More ❯

Performance Test Engineer (Python Automation for large-scale, low-latency, distributed systems Remote Europe) Location: Remote (Europe & UK only) Full-Time | 6-Month Contract | Start Date: within 1-2 weeks £350pd IR35 Outside TBC We're seeking a hands-on Performance Test Engineer with Strong Python and automation expertise to design, build, and execute the performance testing … latency under millions of concurrent users, and drive system optimizations across cloud infrastructure and code. This is a technical, high-impact role ideal for someone passionate about distributed systems performance, automation, and data-driven tuning. Profile: 3-5+ years of performance engineering for large-scale, low-latency, distributed systems. Proven success meeting p95/p99 latency … strong documentation and collaboration skills. Based in EU or UK with English (C1 or higher). Nice to have: Java, Bash scripting, Terraform. Key Responsibilities: Define and execute comprehensive performance test plans (load, stress, spike, soak, scalability, failover). Model real-world streaming traffic patterns (burstiness, fan-out, cache behavior, cold-start, geo distribution). Build automated load frameworks More ❯

C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries … of throughput, latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performance tuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects … Profile and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with More ❯

C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries … of throughput, latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performance tuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects … Profile and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with More ❯

C++ Engineer (GPU and Compute Architect focus) - HFT On behalf of a leading HFT firm, we are supporting the formation of a specialised performance engineering team focused on optimising the most compute-intensive R&D workloads. This role sits at the intersection of systems architecture, software engineering, and quantitative research, with a mandate to push the boundaries … of throughput, latency, and resource efficiency across heterogeneous compute environments. This is an ideal opportunity for engineers with a background in GPU architecture , HPC systems , or semiconductor performance tuning to apply their expertise in one of the most latency-sensitive domains in tech. Core Responsibilities Architect and optimise distributed compute pipelines across CPU/GPU, memory, storage, and interconnects … Profile and tune performance of AI/ML, simulation, and research workloads across containerised environments Collaborate with Software and Infra teams to identify architectural bottlenecks and implement low-level improvements Evaluate and integrate HPC technologies to support scale-out and latency-sensitive workloads Required Skills 3 - 10 years of professional proficiency in Python and C++ Hands-on experience with More ❯

Engineering Manager with a fast-growing SaaS business in the healthcare space. This is a hybrid role, based in London two days a week. As an experienced Engineering Manager, you’ll be joining the business at a pivotal growth stage. Our client has tripled their team in the past year and is now focused on scaling its engineering culture and capabilities, with the backing of leading investors. You will play a key role in doubling the size of the engineering team in the next 12 months. If you're looking to work in tech-for-good, this position offers the opportunity to help develop and shape data-driven clinical tools that transform healthcare. The business is … looking for a high-impact Engineering Manager to help lead this transformation to a scale-up: guiding teams of around 12 engineers (in-house team, based in the UK and Europe), setting the pace, and helping shape a high-performance engineering culture from the ground up. This role would best suit someone who thrives in high-growth More ❯

Engineering Manager with a fast-growing SaaS business in the healthcare space. This is a hybrid role, based in London two days a week. As an experienced Engineering Manager, you’ll be joining the business at a pivotal growth stage. Our client has tripled their team in the past year and is now focused on scaling its engineering culture and capabilities, with the backing of leading investors. You will play a key role in doubling the size of the engineering team in the next 12 months. If you're looking to work in tech-for-good, this position offers the opportunity to help develop and shape data-driven clinical tools that transform healthcare. The business is … looking for a high-impact Engineering Manager to help lead this transformation to a scale-up: guiding teams of around 12 engineers (in-house team, based in the UK and Europe), setting the pace, and helping shape a high-performance engineering culture from the ground up. This role would best suit someone who thrives in high-growth More ❯

Engineering Manager with a fast-growing SaaS business in the healthcare space. This is a hybrid role, based in London two days a week. As an experienced Engineering Manager, you’ll be joining the business at a pivotal growth stage. Our client has tripled their team in the past year and is now focused on scaling its engineering culture and capabilities, with the backing of leading investors. You will play a key role in doubling the size of the engineering team in the next 12 months. If you're looking to work in tech-for-good, this position offers the opportunity to help develop and shape data-driven clinical tools that transform healthcare. The business is … looking for a high-impact Engineering Manager to help lead this transformation to a scale-up: guiding teams of around 12 engineers (in-house team, based in the UK and Europe), setting the pace, and helping shape a high-performance engineering culture from the ground up. This role would best suit someone who thrives in high-growth More ❯

Engineering Manager with a fast-growing SaaS business in the healthcare space. This is a hybrid role, based in London two days a week. As an experienced Engineering Manager, you’ll be joining the business at a pivotal growth stage. Our client has tripled their team in the past year and is now focused on scaling its engineering culture and capabilities, with the backing of leading investors. You will play a key role in doubling the size of the engineering team in the next 12 months. If you're looking to work in tech-for-good, this position offers the opportunity to help develop and shape data-driven clinical tools that transform healthcare. The business is … looking for a high-impact Engineering Manager to help lead this transformation to a scale-up: guiding teams of around 12 engineers (in-house team, based in the UK and Europe), setting the pace, and helping shape a high-performance engineering culture from the ground up. This role would best suit someone who thrives in high-growth More ❯

Engineering Manager with a fast-growing SaaS business in the healthcare space. This is a hybrid role, based in London two days a week. As an experienced Engineering Manager, you’ll be joining the business at a pivotal growth stage. Our client has tripled their team in the past year and is now focused on scaling its engineering culture and capabilities, with the backing of leading investors. You will play a key role in doubling the size of the engineering team in the next 12 months. If you're looking to work in tech-for-good, this position offers the opportunity to help develop and shape data-driven clinical tools that transform healthcare. The business is … looking for a high-impact Engineering Manager to help lead this transformation to a scale-up: guiding teams of around 12 engineers (in-house team, based in the UK and Europe), setting the pace, and helping shape a high-performance engineering culture from the ground up. This role would best suit someone who thrives in high-growth More ❯

As a Systems Performance Engineer, within one of our systems engineering teams, you will provide performance prediction and analysis expertise to major defence programmes, developing the latest Complex Weapons capabilities for the UK Armed Forces in response to advanced threats in all domains (Air, Land, Sea). Expect assignments across concept, assessment or demonstration phase contracts, covering … one of the MBDA product lines. System Performance is an essential part of the system design process and a key indicator as to whether the design is suitable. Salary : Circa £43,000 depending on experience Dynamic (hybrid) working : 5 days per week on-site due to workload classification Security Clearance : British Citizen Restrictions and/or limitations relating to … and UK Security Check (SC) clearance, which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave: Up to 15 additional days More ❯

Software Engineering Manager/Software Team Lead Hybrid – Manchester We're working with a rapidly growing company seeking a hands-off Software Engineering Leader to guide and inspire a talented, multi-skilled engineering team. This is a fantastic opportunity to lead from the front, not by coding, but by setting vision, driving delivery, and fostering a high … performance engineering culture. You’ll be responsible for leading a team of exceptional engineers building slick, scalable digital consumer products using modern and complex technology stacks. The systems need to be resilient, high-performing, and elegant, supporting both customers and internal teams alike. What You’ll Be Doing: Leading a high-calibre team of senior software engineers. Driving … delivery, best practices, and engineering excellence. Championing modern development practices: TDD, automation, CI/CD, DevOps, and scalable architecture. Supporting the team’s growth, both technically and professionally. Influencing wider tech direction and fostering a strong engineering culture. What We’re Looking For: Proven experience in leading high-performing engineering teams. Solid technical background, ideally in software More ❯

Software Engineering Manager/Software Team Lead Hybrid – Manchester We're working with a rapidly growing company seeking a hands-off Software Engineering Leader to guide and inspire a talented, multi-skilled engineering team. This is a fantastic opportunity to lead from the front, not by coding, but by setting vision, driving delivery, and fostering a high … performance engineering culture. You’ll be responsible for leading a team of exceptional engineers building slick, scalable digital consumer products using modern and complex technology stacks. The systems need to be resilient, high-performing, and elegant, supporting both customers and internal teams alike. What You’ll Be Doing: Leading a high-calibre team of senior software engineers. Driving … delivery, best practices, and engineering excellence. Championing modern development practices: TDD, automation, CI/CD, DevOps, and scalable architecture. Supporting the team’s growth, both technically and professionally. Influencing wider tech direction and fostering a strong engineering culture. What We’re Looking For: Proven experience in leading high-performing engineering teams. Solid technical background, ideally in software More ❯

Software Engineering Manager/Software Team Lead Hybrid Manchester We're working with a rapidly growing company seeking a hands-off Software Engineering Leader to guide and inspire a talented, multi-skilled engineering team. This is a fantastic opportunity to lead from the front, not by coding, but by setting vision, driving delivery, and fostering a high … performance engineering culture. You ll be responsible for leading a team of exceptional engineers building slick, scalable digital consumer products using modern and complex technology stacks. The systems need to be resilient, high-performing, and elegant, supporting both customers and internal teams alike. What You ll Be Doing: Leading a high-calibre team of senior software engineers. Driving … delivery, best practices, and engineering excellence. Championing modern development practices: TDD, automation, CI/CD, DevOps, and scalable architecture. Supporting the team s growth, both technically and professionally. Influencing wider tech direction and fostering a strong engineering culture. What We re Looking For: Proven experience in leading high-performing engineering teams. Solid technical background, ideally in software More ❯

SQL Performance Engineer - Hybrid (Glasgow or Edinburgh) - Up to £50,000 Are you passionate about optimising high-volume data systems and solving complex performance challenges? We're hiring a Performance Engineer to join a growing tech team working on a cutting-edge financial data platform. This is a hybrid role, with 2 days in the office (Glasgow … or Edinburgh) and 3 days working from home . What You'll Be Doing Tuning and optimising complex SQL queries to improve system performance Building tooling for diagnostics and deployment risk management Automating performance testing and benchmarking across environments Collaborating with Engineering, DevOps, and Product teams to improve throughput and scalability Supporting deployment strategies for high-risk … releases Designing and testing new performance features What We're Looking For Proven experience in SQL performance tuning and query optimisation Familiarity with performance testing tools (e.g., JMeter, k6) Experience with observability platforms (e.g., Azure Monitor, Grafana) Strong problem-solving skills and a collaborative mindset Ability to develop and interpret MI for decision-making Bonus Skills Experience More ❯

SQL Performance Engineer - Hybrid (Glasgow or Edinburgh) - Up to £50,000 Are you passionate about optimising high-volume data systems and solving complex performance challenges? We're hiring a Performance Engineer to join a growing tech team working on a cutting-edge financial data platform. This is a hybrid role, with 2 days in the office (Glasgow … or Edinburgh) and 3 days working from home . What You'll Be Doing Tuning and optimising complex SQL queries to improve system performance Building tooling for diagnostics and deployment risk management Automating performance testing and benchmarking across environments Collaborating with Engineering, DevOps, and Product teams to improve throughput and scalability Supporting deployment strategies for high-risk … releases Designing and testing new performance features What We're Looking For Proven experience in SQL performance tuning and query optimisation Familiarity with performance testing tools (e.g., JMeter, k6) Experience with observability platforms (e.g., Azure Monitor, Grafana) Strong problem-solving skills and a collaborative mindset Ability to develop and interpret MI for decision-making Bonus Skills Experience More ❯

plus. Implemented at least V22+. Experience with systems aspect such as installation, upgrades, health checks, is a plus. Technical Qualifications Bachelor's or Master's degree in Computer Science, Engineering, Finance, Accounting, Economics, or a directly related IT field. 15+ years' experience in Software Design and Development or deployment of enterprise software in client environments Minimum 10-years' direct … database tuning, grid sizing, services tuning. Ability to create system deployment steps and operate independently. Proficiency in Windows Operating systems, shell commands, and security architecture Proficiency with industry standard performance monitoring tools Experience with cloud technologies (Azure and AWS) and system deployments on the Cloud. Experience with office productivity tools such as Word, Excel, PowerPoint, and SharePoint Strong understanding … Excellent interpersonal/consulting skills with proven experience Must be self-motivated, independent, resourceful, and capable to take constructive feedback and strive for continuous improvement. Ability to solve high performance engineering problems. Ability to keep abreast of new technological and or/procedural developments and demonstrate knowledge and expertise with software tools and an ability to evaluate and More ❯

the future of our customer-facing investment experiences. Your will be joining a cross functional development team which has a philosophy of continuous improvement, and a strong focus on engineering excellence. We are a growing team focussed on providing our customers with innovative web and app based tools and services to help them grow as investors no matter what … adoption of cutting edge technologies, as well as providing a robust experience in production. What to expect: Agile methodologies and a passion for continuous improvement and building a high-performance engineering team Guide and mentor the team to design and deliver high quality products Consider architectural and non-functional requirements and work with the team to break down More ❯

with innovation and leadership, enhancing automation frameworks, applying AI-driven techniques, and mentoring the next generation of test professionals. This is your opportunity to influence the future of quality engineering across multiple industries, driving outcomes that matter while growing your own career within a truly collaborative environment. CGI was recognised in the Sunday Times Best Places to Work List … future duties and responsibilities As a Test Engineer at CGI, you’ll take ownership of quality across large-scale transformation programmes, defining and leading test strategies that embed automation, performance engineering, and AI-enhanced testing practices. You’ll collaborate closely with developers, architects, and business stakeholders to design intelligent frameworks and ensure testing is seamlessly integrated into Agile … metrics and outcomes, demonstrating measurable value and driving continuous enhancement across engagements. Required qualifications to be successful in this role You’ll bring a proven track record in test engineering, combining hands-on technical depth with the ability to lead, innovate, and influence. You’ll thrive in collaborative environments, with a passion for automation, AI in testing, and the More ❯

What to expect Agile methodologies and a passion for continuous improvement and building a high-performance engineering team Guide and mentor the team to design and deliver high quality products Consider architectural and non-functional requirements and work with the team to break down and refine these into development tasks Foster a build it, run it, own it More ❯

team, with team members working on all areas of our technology stack and propositions. What to expect: Agile methodologies and a passion for continuous improvement and building a high-performance engineering team Guide and mentor the team to design and deliver high quality products Consider architectural and non-functional requirements and work with the team to deliver Tech More ❯

An exciting new opportunity has arisen for an Engineering Manager to join a fast growth SaaS organisation as it expands its Technology team. We are looking for an experienced leader who has worked at senior level along with implementing the latest tech stacks and growing teams in a busy environment. You will be experienced in scaling teams in a … work with some of the latest technology. Ideally you will have experience of building teams in a start-up environment. You must have experience with: A strong background in engineering along with experience of building large scale teams. Knowledge across a variety of cloud platforms including GCP. Experience with Typescript and Node.js Experienced with CI/CD, Docker and … Terraform. Knowledge of modern serverless technologies. Experience of building a high-performance engineering team culture with mentoring and coaching processes implemented. Experienced in utilising the latest software tools along with developing full stack platform concepts. This role is perfect for an experienced Engineering leader who wants the opportunity to build a Software team in a start-up More ❯