1 to 25 of 49 Performance Engineering Jobs

Performance Engineer

Hiring Organisation
Morson Edge
Location
United Kingdom
Employment Type
Contract
Performance Engineer/£600 p/d Inside IR35/Hybrid/Enterprise-scale digital platforms We're partnering with a leading global digital organisation as it continues to evolve its digital platforms and scale its technology capabilities to support growing customer and commercial demand. This is a high … impact contract opportunity for a hands-on engineer who combines deep technical capability with the ability to enable and coach multiple engineering teams. You'll own performance strategy, enhance internal performance tooling, improve observability, and help shape the next generation of AI-assisted performance analysis. ...

Performance Test Engineer(LoadRunner)

Hiring Organisation
IBU
Location
Warwickshire, England, United Kingdom
Position Overview We are seeking an experienced Performance Testing Engineer with deep expertise in LoadRunner to join our team. The ideal candidate will have 10-12 years of professional experience with a strong focus on performance testing and engineering, demonstrating mastery in LoadRunner scripting, test execution … advanced result analysis. This role offers the opportunity to lead end-to-end performance engineering initiatives on enterprise-level applications, including Oracle Fusion Cloud HCM and complex, large-scale systems. Key Responsibilities Design, develop, and maintain comprehensive LoadRunner scripts for Web, TruClient, and Web Services protocols, including custom ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
just delivered a record year of growth and are still only getting started. This is a rare opportunity for an outstanding engineering leader to join an ambitious, early-stage business (with substantial family office backing) in a senior management role. As the technical counterpart to a commercially driven … will: Define and execute our technical strategy. Recruit and develop a world-class engineering team. Shape the product roadmap and guide critical build, buy, and partner decisions. You’ll be working alongside alumni of some of the most innovative data companies in the world, gaining exposure to strategic decision ...

Software Engineering Manager

Hiring Organisation
Yoh Solutions Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Software Engineering Manager Location: Southampton (Hybrid) Salary: £100,000 £115,000 + 20% Bonus + Equity + Benefits Type: Permanent About the Role We are working with a high-performance engineering team developing advanced software solutions in a complex, R&D-driven environment. They are looking … appoint a Software Engineering Manager to lead a team of experienced engineers working on performance-critical systems. This role sits at the intersection of software and hardware , focusing on real-time, high-throughput applications. You will work closely with technical leads who own the engineering direction, while ...

.NET Performance Engineer

Hiring Organisation
Initialize Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
.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 ...

Tech Specialist

Hiring Organisation
Tech Mahindra
Location
Reading, England, United Kingdom
000+ professionals across 90+ countries helping 1100+ clients, TechM provides a full spectrum of services including consulting, information technology, enterprise applications, business process services, engineering services, network services, customer experience & design services, AI & analytics, and cloud & infrastructure services. It is the first Indian company in the world to have … Cypress, JIRA, Xray, Postman, AI enabled Testing Solution (AVO, AccelQ, UiPath), Plutora, Apwide Golive , AWS/Azure/GCP basic fundamentals, Unix shell Scripting,Performance Engineering Methodology, SRE, LoadRunner, J-Meter, Dynatrace, Splunk. Gremlin, Postman, Performance Testing process, Telecom Domain, Thought Leadership and Program Management Key Responsibilities ...

DevOps Tester (SC Cleared)

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
DevOps Engineer (Performance Testing) 6 Months Contract + extension £600 per day (Inside IR35) Remote working Please note active SC Clearance is needed for the role A leading global consultancy is looking for an experienced hybrid devOps and Performance specialist to superhead critical national infrastructure projects. You will … scalability of a massive cloud-native environment. This is a high-visibility role where you will bridge the gap between infrastructure stability and rigorous performance validation. Key Responsibilities Infrastructure & CI/CD: Design, build, and maintain robust CI/CD pipelines to automate deployment cycles. Performance Engineering ...

Head of Software Development

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £150,000 per annum, Inc benefits
become available for a growing Financial SaaS, Capital Markets company looking to hire an exceptional Head of Software Development to lead their software engineering organisation and serve as a key member of the senior leadership team. This strategic role combines deep technical leadership with people management and offshore team … coordination, offering a clear pathway to Deputy CTO. The successful candidate will own the end-to-end software delivery lifecycle, drive engineering excellence, and be instrumental in shaping their technology vision. Day-to-Day of the Role: Strategic Leadership : Define and drive the software development strategy in alignment with ...

Systems Engineer II (Modeling & Simulation)

Hiring Organisation
Raytheon
Location
Tewksbury, Massachusetts, United States
Employment Type
Permanent
Salary
USD Annual
science and find new ways to connect and protect our world. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. We deliver solutions that help our nation … defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. The Systems Engineering Integrated Systems department is seeking a Systems Engineer II (Modeling & Simulation). The Integrated Systems team leads all aspects of systems engineering that ...

Staff Engineer

Hiring Organisation
Queen Square Recruitment
Location
City of London, London, United Kingdom
deep. Key Responsibilities Define and drive backend technical strategy and architecture Design scalable, fault-tolerant, event-driven, and cloud-native systems Lead multi-team engineering initiatives and complex system designs Build and optimise Java (Java 17+) backend services using Spring Boot or Micronaut Design RESTful APIs, messaging systems … microservices Own performance, reliability, security, monitoring, and observability Lead system design sessions, architecture reviews, and technical decision-making Champion engineering standards, CI/CD, testing, automation, and DevEx Mentor engineers and collaborate with Product, DevOps, SRE, and Architecture teams Participate in on-call support as required Skills & Experience ...

Low Latency Engineer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
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 ...

Site Reliability Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
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 Software Engineer

Hiring Organisation
AJ BELL BUSINESS SOLUTIONS LIMITED
Location
Salford, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Software Engineering Manager

Hiring Organisation
Yoh Solutions Ltd
Location
Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Software Engineering Manager Location: Southampton (Hybrid) Salary: £100,000 £115,000 + 20% Bonus + Equity + Benefits Type: Permanent About the Role We are working with a high-performance engineering team developing advanced software solutions in a complex, R&D-driven environment. They are looking … appoint a Software Engineering Manager to lead a team of experienced engineers working on performan click apply for full job details ...

Head of Software (ML & Web)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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 ...

AI Engineer

Hiring Organisation
VIA MATCH LIMITED
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £130,000 per annum
grade AI systems using LLMs Developing RAG pipelines, vector search solutions, and agent-based workflows Creating robust evaluation frameworks to measure accuracy, reliability, and performance Building scalable APIs, services, and data pipelines Implementing observability, monitoring, and feedback loops to continuously improve outputs Optimising models and prompts for latency, cost … building applications using LLM APIs, with a strong understanding of their strengths and limitations Hands-on experience with RAG architectures, vector databases, and prompt engineering Experience developing multi-step workflows or agentic systems (frameworks or custom builds) Strong programming skills (Python or similar), with experience building production systems Solid ...

C++ Trading Platform Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
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 ...

Contract Software Engineer (Observability & Telemetry)

Hiring Organisation
Xpertise
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
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 ...

Senior Linux System Administrator - HPC

Hiring Organisation
Ascent People Ltd
Location
Oxfordshire, England, United Kingdom
administration skills and hands-on experience in high-demand technical environments. Ideally, you'll have worked in advanced technology, simulation-heavy industries, or similar performance-critical sectors. About the company This is your opportunity to work with a high-performance engineering organisation operating at the absolute cutting … constant, and the technical infrastructure you build directly impacts success at the highest level. If you thrive in fast-paced, data-intensive environments where engineering excellence is non-negotiable, this is the role for you. About the role We're looking for an experienced (senior) HPC Infrastructure Engineer ...

Senior Software Engineer (Python)

Hiring Organisation
Beamost Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Systems to own and evolve a production options trading system. It runs during market hours, ingests real-time market data, and requires profiling-led performance engineering to keep p50/p99 latency, jitter, and reliability within tight bounds. Youll take meaningful ownership day-to-day, partnering closely with … founder and the engineering team to prioritise work, ship improvements quickly, and keep the system fast, reliable, and correct. Who this is for This role is for engineers who have built and owned real-time, performance-critical systems. It is not suitable for candidates whose experience is mainly ...

ML Infrastructure Developer (Python/Rust) - Up to £200k base + Bonus + Benefits - London

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
title: ML Infra Developer Client: Performance Software Scale Up Salary: up to £200,000 P/A + Bonus (DOE) Location: London The role: We are seeking an ML Infrastructure Engineer to join a fast-growing team focused on optimising the performance and scalability of machine learning systems. … this role, you will design and build the infrastructure that powers high-performance ML workloads, enabling faster training, efficient inference, and scalable deployment across distributed environments. You’ll work on systems that sit at the intersection of machine learning and high-performance engineering, helping to push ...

Product Manager

Hiring Organisation
YT Technologies
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
sophisticated, real-time software ecosystem used by blue-chip global clients to validate mission-critical hardware and complex electronic systems. Operating within a high-performance engineering culture, you will own the roadmap for a suite of products that bridge the gap between physical device testing and scalable, event … pivotal, newly created position. You wont just be "managing a backlog"; you will be unpicking complex technical tangles and ensuring that high-level engineering innovation reaches the global market effectively. The Bridge: Act as the primary interface between deep-tech engineering teams (C++, Java, .NET) and international operational ...

Head of Platform Development

Hiring Organisation
Be-IT Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £110,000 per annum
Head of IOT Platform Development Edinburgh £100,000 - £115,000 Are you a platform engineering leader with a passion for IoT, scalability, and cutting-edge cloud architecture? Be-IT is working exclusively with a high-growth technology company based in central Edinburgh to find an exceptional Head … business scales and onboards new customers and devices, they are now looking for a senior technical leader to drive significant improvements in performance, scalability, and high-volume data ingestion.The platform receives telemetry from environmental sensors (including infrared and visual monitoring devices) deployed across critical infrastructure sites. Anomaly detection triggers ...

C++ Engineer - Up to £180,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
C++ Engineer – Low-Latency Systems 📍 London (Hybrid) 💷 Up to £180,000 + Bonus + Full Benefits 💻 1+ Years’ Experience 🚀 The Opportunity Passionate about performance at the microsecond level? Join a leading buy-side firm as a C++ Engineer, building ultra-low-latency trading systems where every nanosecond counts. … operate at the cutting edge of high-performance engineering, solving complex problems across systems that demand absolute precision, speed, and reliability. This is a hands-on role with direct impact on live trading, working alongside elite engineers to push hardware and software to their limits. 🔧 What ...

Software Engineer

Hiring Organisation
Oscar Technology
Location
Derbyshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
exciting opportunity has arisen for a skilled Software Engineer to join a growing Agile development team, working on advanced software solutions for complex engineering applications. This is a technical development role with a strong focus on modern C++ and software engineering best practices. You will be involved … Great communication skills Desirable Strong Maths/Physics background React and JavaScript The Company This is a well-established organisation recognised for delivering high-performance engineering software used worldwide. Their teams are highly collaborative, technically driven, and committed to pushing the boundaries of precision and performance. They provide ...