1 to 25 of 29 Performance Engineer Jobs

Cleared Performance Test Engineer - Leeds (50% Onsite) - Performance Testing, JMeter, Cloud TrinIT Talent are looking for an experienced SC Cleared Performance Test Engineer to come on board for an initial 6 month contract based in Leeds (50% onsite, 50% remote). This role falls Inside … IR35 and is paying £350 per day. Job Description:- We are looking for an experienced Performance Test Engineer to support the delivery of large-scale, business-critical systems by designing and executing robust performance testing strategies. You will work closely with development, infrastructure and DevOps teams ...

Performance Test Engineer - SC Cleared Location: Leeds or London (Hybrid) - 50% onsite We're partnering with a highly respected UK organisation undergoing a significant technology transformation and are looking for a Performance Test Engineer to help ensure the scalability, resilience, and reliability of critical digital platforms. … This is an opportunity to join a collaborative technology function where you'll shape performance testing strategy, influence engineering best practices, and work across cloud, hybrid, and on-premise environments. As a Performance Test Engineer, you'll be responsible for designing, executing, and analysing performance testing ...

Systems Performance Engineer (Simulation & Modelling) Location: Hertfordshire Salary: Up to £52,500 + Excellent Benefits Working Pattern: On-site Position Security Requirements: UK Nationals Only The Opportunity An exciting opportunity has arisen for a Systems Performance Engineer to join a multidisciplinary engineering team working … development of advanced defence technologies. This role focuses on assessing and predicting system performance through mathematical modelling, simulation and technical analysis. You'll play a key role in helping engineering teams understand how design decisions influence overall system behaviour and performance throughout the product life cycle. Working alongside ...

Performance Test Engineer 450/day Inside IR35 Primarily Remote Occasional Travel to London Until 31st March 2027 ASAP Start We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational … readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute performance, load, stress ...

Performance Test Engineer £450/day | Inside IR35 | Primarily Remote | Occasional Travel to London | Until 31st March 2027 | ASAP Start We're looking for an experienced Performance Test Engineer to join a large-scale enterprise transformation programme, helping to ensure the performance, scalability and operational … readiness of critical cloud-based services. You'll work closely with engineering, DevOps and QA teams to design and execute performance testing strategies, analyse system behaviour under load, and provide recommendations to improve application resilience and user experience. Key Responsibilities Design, develop and execute performance, load, stress ...

Fleet Performance Engineer - London or Antwerp CLdN is a leading provider of integrated quay-to-quay and door-to-door logistics solutions. Founded in 1929, CLdN ensures reliable, cost-effective transport that links the major economic areas of Europe. With 30 ships and more than 240 sailings … CLdN might be a good fit for you! CLdN offers a challenging job where you can help drive visible, recognizable change as a Fleet Performance Engineer. You will become part of a growing team with a young spirit, who are committed in extracting patterns and insights from data ...

Performance Test Engineer - Outside IR35 - 6 month initial contract - London/hybrid - up to £525 per day We're looking for an experienced Performance Test Engineer to lead and deliver end-to-end performance testing for a modern web platform built on a microservices architecture. … responsibilities: Define and implement the performance testing strategy. Design and execute load, stress, endurance, and capacity tests. Develop and maintain test scripts using JMeter or similar tools. Identify and analyse performance bottlenecks across applications and services. Work closely with Development, QA, and DevOps teams to resolve issues ...

Dynamics D365 Performance Engineer Location: Charing, United Kingdom. Posted 7 months ago. Tech stack C performance tuning Azure TypeScript JavaScript Skills Required D365 CE/CRM Power Platform Azure – IaaS/PaaS services .Net, C#, Javascript , TypeScript Strong knowledge of performance tuning in D365 implementations Responsibilities … this position, you will focus on optimizing the performance of Dynamics 365 implementations, diagnosing bottlenecks, and implementing tuning solutions. Company LA International Computer Consultants Ltd Compensation £117K - 137K Role type Full time #J-18808-Ljbffr ...

help us deliver on our ambition – which is to help you achieve yours. Herbert Smith Freehills Kramer: Your goals. Our ambition The Opportunity The Performance & Observability Engineer plays a critical role in ensuring system reliability, scalability, and visibility across the entire technology stack. This role focuses on transitioning … from traditional monitoring to full observability, enabling deep performance insights, real-time issue detection, and proactive optimisation. The ideal candidate will have expertise in performance engineering, distributed tracing, logging, metrics, and automation, driving improvements across cloud, infrastructure, and application layers. Primary Responsibilities Performance Engineering & Optimisation Analyse application ...

consulting firm is seeking a Dynamics D365 Performance Engineer located in Charing, United Kingdom. The role involves optimizing the performance of Dynamics 365 implementations, diagnosing bottlenecks, and implementing tuning solutions. Candidates should possess strong knowledge of performance tuning in D365, as well as experience with Azure ...

Research is seeking an exceptional NLP Performance Engineer to own large-scale LLM inference performance within our NLP Engineering team at the London HQ. You will profile, optimise and implement techniques to maximise inference throughput and cost-efficiency, collaborating with researchers and infrastructure engineers to shape scalable ...

apply large language models (LLMs) and other Natural Language Processing (NLP) techniques across the firm. We are looking for an exceptional NLP Performance Engineer to join our NLP Engineering team and take ownership of large-scale LLM inference performance. This is a specialist Quantitative Developer role. Like … Quantitative Developers, you will work alongside researchers to bring their ideas to life, with a particular focus on maximising the performance of LLMs. This is a hands‐on, high‐impact role. You will design and implement techniques that improve the performance, cost‐efficiency and capabilities of inference workloads ...

logistics service provider is seeking a Fleet Performance Engineer based in London or Antwerp. The role involves optimizing vessel operational efficiency through data analysis, software development, and direct engagement with stakeholders. Ideal candidates will hold an M.S.C. or Ph.D. in a relevant field and possess strong programming skills ...

Cohere is seeking a Performance Engineer for the Pre-Training team to optimize language model training and system performance. You will focus on throughput, accelerator utilization, and robust tooling, collaborating with researchers and engineers across teams. The role emphasizes low-level kernel work (CUDA/Triton), distributed training ...

Hays are now looking for a Quality Engineer/Performance Tester for one of our local clients: £310 p/d Inside IR35 3 days p/w in the office, 2 WFH Location is one of either London, Manchester or Leicester We're looking for strong experience … performance and non-functional testing to support the delivery of large-scale digital services. The role will focus on ensuring applications are scalable, reliable and performant through a combination of performance testing, API testing and quality engineering practices. What you'll be doing Design, develop and execute performance ...

Herbert Smith Freehills Kramer in London is seeking a Performance & Observability Engineer to drive reliability across the technology stack. You will move from basic monitoring to full observability, delivering real-time performance insights and proactive optimisation for complex legal applications. Working with SRE and DevOps teams ...

Google is hiring a Software Engineer III for Performance in London. This onsite role focuses on managing a portfolio of clients, deeply understanding their business challenges and marketing objectives, and delivering high-impact advertising solutions. You will collaborate with Google teams to optimize campaigns and drive customer success ...

Google is seeking a Software Engineer III for Embedded Performance, System Tracing, and Profiling in London. The role is onsite at 1 St Giles High St, London, and is a full-time position. You will work on critical projects that enhance how users connect, explore, and interact with … information at scale, contributing across the full stack. Join a team focused on performance, tracing, and profiling to optimize systems and experiences for billions of users and partners worldwide. #J-18808-Ljbffr ...

Overview Solus, part of the Aviva family, is growing our Technology capability and we're looking for a talented Performance and Monitoring Engineer to help us strengthen the stability, reliability and performance of our systems. If you're passionate about monitoring, observability and using data to proactively … great opportunity to make a real impact across a large, modern technology estate. Responsibilities You'll be our subject matter expert for monitoring and performance, responsible for designing, implementing and maintaining the tools and dashboards that give us real-time visibility of our infrastructure, applications and cloud services. Your ...

Overview Solus, part of the Aviva family, is growing our Technology capability and we're looking for a talented Performance and Monitoring Engineer to help us strengthen the stability, reliability and performance of our systems. If you're passionate about monitoring, observability and using data to proactively … great opportunity to make a real impact across a large, modern technology estate. Responsibilities You'll be our subject matter expert for monitoring and performance, responsible for designing, implementing and maintaining the tools and dashboards that give us real-time visibility of our infrastructure, applications and cloud services. Your ...

United States Digital Space LLC in London seeks an experienced Senior KDB+ Developer to design, build, and optimize high-performance data platforms based on kdb+. You will work closely with Risk teams to deliver scalable, reliable solutions and mentor junior developers. You will own kdb+ tick architectures, tune queries ...

Jobgether is seeking a Machine Learning Engineer specialized in inference optimization to scale and accelerate production ML models in a UK-based environment. You will work at the intersection of research and engineering, transforming advanced models into fast, reliable, and cost-efficient solutions for real-world applications. The role ...

sites, supporting the work of scientists and administration. We operate a virtualization infrastructure with Linux and Windows servers. We are seeking an infrastructure engineer with a strong understanding of how HPC systems are built and operated from the hardware upwards. This role focuses on Linux operating systems, compute nodes … Diseases (DZNE) is a globally leading, internationally oriented research institution dedicated to discovering new approaches for the prevention and treatment of neurodegenerative diseases. High Performance Computing Engineer (f/m/x) Code: 1543/2026/5 2 years, extension possible, full time Location: Bonn ...

Overview Solus, part of the Aviva family, is growing our Technology capability and we're looking for a talented Performance and Monitoring Engineer to help us strengthen the stability, reliability and performance of our systems. If you're passionate about monitoring, observability and using data to proactively ...

Overview Solus, part of the Aviva family, is growing our Technology capability and we're looking for a talented Performance and Monitoring Engineer to help us strengthen the stability, reliability and performance of our systems. If you're passionate about monitoring, observability and using data to proactively ...