performance engineer jobs in Hemel Hempstead

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We’re leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world’s renewable energy transition and create a more...

AIR CONDITIONING & REFRIGERATION ENGINEER WANTED JOIN A GROWING, HIGH-PERFORMANCE TEAM! Location: Field-based Check all associated application documentation thoroughly before clicking on the apply button at the bottom of this description. Hourly Rate:£20.00 per hour Guaranteed Hours:50 hours paid per week Holidays:23 days paid holiday (excluding Bank Holidays) Are you an experienced,...

Job Description About the Company The Quality Engineer will play a key role in the day-to-day operations of the Quality function, ensuring ongoing compliance with the organisation’s Quality Management System (QMS). The position involves active participation in audits, first article inspections, calibration activities, inspection strategies, and advanced product quality planning processes. Close...

Job Description Job Title: Project Engineer (C&I) Location: Hemel Hempstead (Hybrid 2-3 days in the office) Join Our Team at BPA: Officially Where it’s a Great Place to Work! At BPA, we’re proud to be jointly owned by BP and Shell - two of the world’s leading oil majors - which gives us the strength and stability of industry giants. Yet, with a close-knit team of around 180 professionals...

Job Description Insight Global is looking for a Senior IAM Engineer to join one of our largest manufacturing clients. We are looking for a hands-on subject matter expert responsible for the design, operation, and security of our clients' enterprise identity platforms, including Microsoft Active Directory and Microsoft Entra ID (Azure AD). This role ensures the availability, performance, and...

Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote EU - Spain Salary: £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and...

You will lead an established Test Engineering organisation and be responsible for improving consistency, effectiveness, and scalability of testing across teams. The focus is on raising standards, modernising test capability, and embedding quality-first engineering, rather than growing headcount.

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

You will work closely with engineering teams to understand their pain points and translate them into practical solutions — for example, building reusable components like commands, skills, and CI agents; designing and orchestrating custom agent workflows; developing low/no-code agents for faster adoption; and creating and maintaining knowledge bases connected via connectors and MCP servers.

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

Job Description The Opportunity: Field Service Engineer Contract: Permanent Location: Cirencester, Gloucestershire The Briggs Equipment Group is a leading provider of asset management and maintenance solutions across the UK and Ireland. If you don't feel like you meet all of the role criteria outlined below please don't let that discourage you from applying. The Impact you will have: -...

AIR CONDITIONING & REFRIGERATION ENGINEER WANTED JOIN A GROWING, HIGH-PERFORMANCE TEAM! Location: Field-based Hourly Rate: £20.00 per hour Guaranteed Hours: 50 hours paid per week Holidays: 23 days paid holiday (excluding Bank Holidays) Are you an experienced, motivated, and skilled Air Conditioning & Refrigeration Engineer looking to advance your career? Do you enjoy working with a mix of...

You will conduct supplier assessments and audits, collaborate on resolving major quality issues, and lead risk analyses within our supplier management organisation.

Senior Technical Engineering Manager / Technical Director A leading developer and operator of advanced, AI-focused data centres is expanding its technical operations function and seeking a Senior Technical Engineering Manager to play a key role in the leadership of its Data Centre estate. With a hyperscale-inspired, industrial-scale platform, the business provides cutting-edge, sustainable and...

Principal Software Engineer Fully Remote | Permanent | Competitive Salary + Benefits Harrington Starr has partnered with a leading Global Payments Technology company who are seeking to hire a Principal Software Engineer to join their senior engineering leadership team. This is a rare opportunity to combine hands-on development with strategic influence, guiding architecture decisions and shaping...

AvetixCyber is delighted to be partnering with a scaling cybersecurity vendor with their expansion throughout EMEA and APAC. They're looking to hire an experienced Sales Engineering Leader to build, implement, and lead a best-in-class Sales Engineering strategy across the EMEA region. This role will be responsible for developing a high-performing regional SE function that partners closely with...

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We’re looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands on role where you’ll work across the stack, leading frontend development with React and...

Senior AI/ML Engineer Fully Remote £100,000–£120,000 + benefits About the Role Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. They’re scaling their AI capabilities and need someone passionate about applying cutting-edge machine learning and LLM techniques to real-world crypto data. You’ll work directly with a Staff AI/ML...

Senior ML & AI Engineer Remote (Bath office 1 day per month) Up to £80,000 About the Role We’re partnered with a fast-growing tech startup focused on how brands and retailers use data. Their AI platform brings together data science, immersive visualisation, and large-scale machine learning to optimise product ranges, plan shopper journeys, and drive smarter commercial decisions. They’re now...

You will work on a hybrid basis out of our Hemel Hempstead office and need to be based within commutable distance and have the right to work in the UK. Join us and become a vital part of a team, Keeping the UK Moving 24/7/365! Diversity & Inclusion We know that diverse teams drive innovation and excellence.