26 to 50 of 111 Performance Engineering Jobs in the UK

that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We don’t chase hype cycles. We innovate, build and deploy … make them happen. About the role As a Principal Machine Learning Engineer, you'll serve as the definitive technical authority on ML engineering across the organisation, setting the standard for how we design, build, and scale AI systems. You will own the architectural vision for our most complex ...

passion for achieving great things in the world are equally as important to us. Job Description Mandatory Skills: Observability, Resiliency, Service Management, Reliability, Performance engineering, Scalability, release management, Cloud cost management. Role Description Skills: ROLE PURPOSE Lead the Site Reliability Engineering practice, driving the transformation from reactive … operations to proactive, engineering-led reliability. Own the definition and enforcement of non-functional requirements (NFRs) using FMEA-based resiliency frameworks, and champion observability, self-healing automation, automated incident management, and database operations automation. Ensure systems are resilient, performant, cost-optimised, and continuously improving. KEY RESPONSIBILITIES Define and enforce ...

launch of core product features Drive technical direction and influence our overall strategy Champion Communities of Practice Lead by example via contributions to our engineering ecosystem Pioneer and promote methodologies like clean code and clean architecture Advocate for engineering productivity, delivery quality and operational excellence Drive DevOps practices … automate the Product development life cycle Partner with both Engineering, Technology and Product leadership Develop the best and mentor other senior engineering roles Promote effective innovation across all of engineering Advocate and strategize for continuous industrialisation and product-minded tech capabilities Inspire ideas to foster purpose ...

Socure, we are revolutionizing digital trust by building mission‐critical systems that deliver high reliability and operate at global scale. As a Manager, Software Engineering, you will be a hands‐on technical leader who defines direction, raises engineering standards, and delivers measurable product outcomes, all while remaining deeply … environments, who are passionate about distributed systems, and who want to directly influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What You’ll Do: Architect and design scalable, resilient, high‐performance backend systems and platforms in AWS, prioritizing reliability, security, and cost ...

designing, building and maintaining cloud‐native services that power Vodafone’s next‐generation Digital & IT Platform. This role sits within cross‐functional, product‐centric engineering squads and focuses on delivering secure, scalable and high‐quality digital capabilities across multiple markets and tenants. The role offers the opportunity to work … cloud‐native backend and frontend components, including APIs, microservices, integrations and digital interfaces.* Deliver end‐to‐end digital capabilities with a strong focus on performance, stability, security and maintainability.* Collaborate closely with Product Owners, Delivery Leads, Technical Leads and Architects to refine requirements and translate them into robust technical ...

Performance Engineer (Device-Level Analysis)OverviewWe are hiring a CPU Performance Engineer focused on device-level performance analysis. This role sits at the intersection of real-world system behaviour and CPU microarchitecture, with the objective of understanding performance observed on devices and translating it into actionable … insights for CPU design teams.You will work on silicon platforms and real devices, analysing performance across complex and often non-deterministic environments. The role requires a solid foundation in CPU fundamentals, along with a strong interest in understanding how system-level behaviour maps to underlying microarchitecture.Working alongside experienced architects ...

designing, building and maintaining cloud‐native services that power Vodafone’s next‐generation Digital & IT Platform. This role sits within cross‐functional, product‐centric engineering squads and focuses on delivering secure, scalable and high‐quality digital capabilities across multiple markets and tenants. The role offers the opportunity to work … cloud‐native backend and frontend components, including APIs, microservices, integrations and digital interfaces. Deliver end‐to‐end digital capabilities with a strong focus on performance, stability, security and maintainability. Collaborate closely with Product Owners, Delivery Leads, Technical Leads and Architects to refine requirements and translate them into robust technical ...

experienced software engineering leader looking to make a meaningful impact? This could be the role for you. As a Director of Software Engineering at JPMorganChase within Equities Trading Technologies, you will oversee a key technical domain and deliver results across teams, technologies, and cross-departmental projects. Drawing … decision-maker for your teams, and champion a culture of innovation and effective Job Responsibilities Oversee the design, development, and performance tuning of ultra-low-latency C++ trading systems supporting equity derivatives market making (options/warrants) Set the technology roadmap for trading systems expansion and lead strategic technical ...

experienced software engineering leader looking to make a meaningful impact? This could be the role for you. As a Director of Software Engineering at JPMorganChase within Equities Trading Technologies, you will oversee a key technical domain and deliver results across teams, technologies, and cross-departmental projects. Drawing … decision-maker for your teams, and champion a culture of innovation and effective Job Responsibilities Oversee the design, development, and performance tuning of ultra-low-latency C++ trading systems supporting equity derivatives market making (options/warrants) Set the technology roadmap for trading systems expansion and lead strategic technical ...

multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys … Lead Site Reliability Engineer at JPMorgan Chase within J.P. Morgan Asset Management's Trading Technology group, you will be embedded directly within the software engineering team that builds and supports our front‐office trading platforms. Job Responsibilities Engage daily with traders across asset classes (Equities, Fixed Income ...

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 on the development … 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 lifecycle. Working alongside specialists across ...

systems. As Site Lead, you'll serve as the face of Perplexity in London, responsible for building our technical organization, fostering a world‐class engineering culture, and directly managing one or more infrastructure teams. You'll report to senior leadership and work cross‐functionally with teams across our global … also facilitating. Responsibilities Site Leadership & Culture Establish and lead Perplexity's London office, setting the cultural foundation and operating principles Build a collaborative, high‐performance engineering culture that aligns with Perplexity's values while embracing the strengths of the London tech ecosystem Serve as the primary point ...

Performance & Non-Functional Testing Lead Location: Sheffield Contract Industry: Financial Services/Enterprise Technology Transformation Mandatory Skills: GCP, IAM, Neo4J Role Overview An exciting opportunity has arisen for an experienced Performance & Non-Functional Testing Lead to join a major enterprise transformation programme focused on modernising Identity & Access Management … platforms and cloud-native technology services. This role will be responsible for defining and delivering the end-to-end Performance & Non-Functional Testing (NFT) strategy , ensuring large-scale systems are scalable, resilient, secure, and operationally ready. You will work closely with Architecture, Engineering, DevOps, Product, and Delivery teams ...

multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys … Lead Site Reliability Engineer at JPMorgan Chase within J.P. Morgan Asset Management’s Trading Technology group, you will be embedded directly within the software engineering team that builds and supports our front‐office trading platforms. Job Responsibilities: Engage daily with traders across asset classes (Equities, Fixed Income ...

Date posted Jul. 28, 2026 Location Cambridge, United Kingdom Category Software Engineering OVERVIEW the company is looking for a Director of Software Engineering to help lead a broad organisation spanning Systems Software (Kernel, Firmware, Power), Userspace (Performance and Enablement) and System Modelling tools. This is a high … impact leadership role at the intersection of low-level systems software and large-scale engineering delivery . You'll guide a distributed team of 60+ engineers (within a wider organisation of 300+), shaping software that directly influences the performance, efficiency, and scalability of the company-based platforms ...

tooling for monitoring, logging, debugging, and developer ergonomics. Collaborate closely with infra teams to ensure our cluster, container environments, and hardware configurations support high-performance training. Investigate and resolve performance bottlenecks across the ML systems stack. Build robust systems that ensure reproducible, debuggable, large-scale runs. You Might … Good Fit If You Have Strong engineering experience in large-scale distributed training or HPC systems. Deep familiarity with JAX internals, distributed training libraries, or custom kernels/fused ops. Experience with multi-node cluster orchestration (Slurm, Ray, Kubernetes, or similar). Comfort debugging performance issues across CUDA ...

influence our overall strategy informing decisions on both Technology and Product investments as well as teams’ setup. Champion Communities of Practice to help establish engineering excellence at M&S. Lead by example via contributions to our engineering ecosystem. Pioneer and promote methodologies like clean code and clean architecture. … Advocate for engineering productivity, delivery quality and operational excellence through a continuous ecosystem. Drive DevOps practices to automate the Product development life cycle and ownership demeanour. Partner with both Engineering, Technology and Product leadership to ensure strategies align. Develop the best and mentor other senior engineering roles ...

OVERVIEW Arm is looking for a Director of Software Engineering to help lead a broad organisation spanning Systems Software (Kernel, Firmware, Power), Userspace (Performance and Enablement) and System Modelling tools. This is a high-impact leadership role at the intersection of low-level systems software and large-scale … engineering delivery . You’ll guide a distributed team of 60+ engineers (within a wider organisation of 300+), shaping software that directly influences the performance, efficiency, and scalability of Arm-based platforms! You’ll bring together expertise across kernel, drivers, and userspace to deliver meaningful improvements in real ...

+ Profit Sharing + Paid Lunches with the CEO + Flexible Working Hours Are you a recent Electronics or Electrical Engineering or Mechatronics or similar graduate looking to join an innovative robotics and automation company where you'll develop your skills and work on cutting-edge hardware projects from … concept through to production? Do you want to join a fast-growing engineering business where you'll work on technically challenging robotics, automation and motion control systems, seeing your designs become real-world products while learning from talented engineers in a hands-on environment? On offer is an exciting ...

+ Profit Sharing + Paid Lunches with the CEO + Flexible Working Hours Are you a recent Electronics or Electrical Engineering or Mechatronics or similar graduate looking to join an innovative robotics and automation company where you'll develop your skills and work on cutting-edge hardware projects from … concept through to production? Do you want to join a fast-growing engineering business where you'll work on technically challenging robotics, automation and motion control systems, seeing your designs become real-world products while learning from talented engineers in a hands-on environment? On offer is an exciting ...

enable our researchers to explore complex questions in financial markets at scale. Our engineers work on challenging problems spanning machine learning, distributed systems, high-performance computing and large-scale data processing. Location London, UK Current Openings Performance Engineering Manager ML Performance Engineer Quant Developer Machine Learning ...

technical leadership across the full lifecycle of machine learning systems powering a new matching platform. This role is accountable for defining ML architecture, establishing engineering standards, driving MLOps maturity, and ensuring that our models are scalable, secure, explainable, and governed to enterprise‐grade standards. You will contribute … compliance framework. This is a highly hands‐on, highly technical, principal‐level role that combines architectural vision with deep practical expertise in ML engineering and AWS-native MLOps. Key Responsibilities Technical Leadership & Architecture Define the end‐to‐end ML architecture for the matching platform, including data pipelines, model training ...

inclusive work environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The role As a Staff ML Performance Engineer, you’ll play a key role in high-impact projects, optimising ML inference for edge accelerators and GPUs. The focus of this team … high-impact projects at Wayve. Key responsibilities: Identify, implement and validate optimisations in ML compilers, runtimes, and kernels (e.g. operator fusion, scheduling, quantisation‐aware performance, custom kernels) Profile and pinpoint bottlenecks across the full inference stack (model graph, compiler/runtime, kernel execution, memory movement) and deliver measurable improvements. ...

demanding applications across telecommunications, aerospace, defence and space sectors. Due to continued growth, they are seeking a Mechanical Design Engineer to join their engineering team and play a key role in the development of complex mechanical solutions from concept through to production. The Role This is an exciting opportunity … work on technically challenging products, designing mechanically robust, lightweight and thermally efficient assemblies for high-performance electronic systems. Working closely with RF, electronics, systems and manufacturing engineers, you'll contribute to the full product lifecycle, from early-stage concept development and analysis through to prototyping, testing and volume manufacture. ...

DescriptionYou will join a front-office engineering team that builds and operates core Rates trading tooling where correctness, resilience, and latency matter every day. The environment is fast-moving and highly collaborative, with strong expectations for production ownership, rapid iteration, and high-quality delivery.Job ResponsibilitiesBuild and enhance Python services … flows, and runtime environments; drive fixes that reduce recurrence.Improve DevOps and operational readiness, including CI/CD, environment management, dependency management, and automation.Maintain strong engineering standards through code reviews, testing discipline, performance profiling, and clear documentation/runbooks.Required qualifications, capabilities, and skillsStrong Python development skills, including writing production ...