performance engineer jobs in Cheltenham

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...

Senior Rust Engineer UK, fully remote (Must be based in the UK now) I’m partnering with an early-stage, product-led startup building a platform for transport operations - frankly, one of the most complex, real-time environments in the world. Please note, some travel across Europe/USA may be required. Rust (2+ years commercial experience) PostgreSQL or SQL Technically challenging domain (real-time...

B1 Licensed Aircraft Engineer – UK CAA Part 66 B1 Location: London City Airport Contract: Permanent, Full-TimeA well-established UK airline operating from London City Airport is seeking a B1 Licensed Aircraft Engineer to join its line maintenance team , supporting a modern Embraer E190 fleet .This is a rare opportunity to work in one of Europe's most unique airport environments, defined...

You will shape the core technical direction of A1 - model selection, training strategy, infrastructure, and long-term architecture.

You will have full autonomy to experiment with frontier models (LLaMA, Mistral, Qwen, Claude-compatible architectures) and build new approaches where existing ones fall short.

Platform/DevOps Engineer - eDV Cleared - Up to £100,000 Oscar Technology are working with a leading consultancy focused on delivering highly secure IT Infrastructure and Networks for government and defence organisations across the UK. Despite their successes to date, they have plenty of ambitious goals to achieve in the coming years, with the team expected to grow exponentially in coming...

You will prepare estimates, work plans, and assist with performance reporting. Your technical expertise and coordination will ensure outcomes meet client and project requirements. "This position is designated as part-time telework per our global telework policy and may require at least three days of in-person attendance per week at the assigned office or project.

Automotive Electronics Engineer Location: On-site (Bushey WD23 3DP) | Hours: Full-time | Industry: Supercar & Hypercar Technology Are you passionate about pushing the limits of automotive performance? Do you thrive in hands-on engineering roles where innovation, precision and real-world application meet? We’re expanding our in-house development team and looking for an exceptional Automotive...

Job title: Frontend Software Engineer (5+ Years) Client: Elite FinTech Firm Salary: Up to £200k + Bonus Location: London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices. An Elite Tech Firm...

You will work at the intersection of software engineering, quantum physics, and advanced hardware, enabling precise, reliable, and scalable quantum operations.

Satellite Electrical Power Systems Engineer (NewSpace) Location: Reading, Berkshire Employment Type: Full-Time | On-Site Package: Competitive Salary + Benefits + Relocation Support Are you an Electrical Power Systems specialist passionate about defining power architectures for next-generation satellite platforms operating at the edge of what’s possible? On offer is the opportunity to join a...

Senior Product Design Engineer – 3fD About Us 3fD is a full service UK-based product design & manufacturing agency, we create compelling products that are technically engineered and delivered with manufacturing agility. Our success is built on a huge variety of projects and an impressive portfolio of clients. We are passionate about what we do and are looking for equally motivated individuals....

About Roadern Roadern is building an AI-powered road and asset intelligence platform used by road authorities and councils. Our product is mobile-first, turning smartphone imagery, GPS, and sensor data into actionable insights at scale. We’re looking for a senior engineer who is strong in React Native, comfortable with map-heavy interfaces, and happy working across mobile and web in a startup...

Lead AI Engineer UK - Remote Portugal - Remote There are NO limits to your career: come shape the future and be part of a truly unique global culture at OutSystems! About This Role As a Lead AI Engineer in our Artificial Intelligence Group, you will be working on our Mentor line of products. Your main role will be to design and bring to life AI products and features applied to the problem of...

Database Engineer (PostgreSQL & Python) - MUST BE BASED IN THE UK - Opportunity for a Database Engineer (Junior/Mid/Senior) to join a remote-first, UK-headquartered technology business - Competitive salary between £45,000 - £70,000 + excellent benefits including remote working, autonomy, and the chance to work on an Educational AI platform - Apply online or contact Chelsea Hackett via...

We have multiple clients across the UK currently looking for E&I / EC&I / C&I or Multi-Skilled Engineers that are Electrician Bias. You would need prior experience in an industrial setting. Some of the key locations are: Cambridge Suffolk Norwich Manchester However if you are open to relocation or actively looking for a similar role anywhere in the UK, do apply, we have a very big team with...

You will have the opportunity to work with advanced technologies and collaborate with a team dedicated to excellence. Key Responsibilities: - Develop and maintain LTM (Local Traffic Manager) and DNS configurations to enhance network performance and security. - Provide support for Application Web Application Firewall (AWAF) and Advanced Firewall Manager (AFM) Access Control Lists (ACL).

Position: Mechanical Design Engineer (Refrigeration) Contract: Permanent, Full Time Location: Remote - Based anywhere in the UK (Head office is based in Leicestershire) Salary: circa £75K plus company car or cash allowance & benefits & performance bonus Industry: Industrial Cooling & Refrigeration PRS Engineering has engaged with a key client and a leading Industrial Cooling & Refrigeration...

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.

Position Summary: The Shock and Vibration Aerospace Engineer is responsible for designing, analyzing, and validating aerospace components and systems subjected to mechanical shock, vibration, and dynamic loads. This role involves developing and executing test programs to ensure product reliability, safety, and compliance with aerospace and defense standards. The engineer works cross-functionally...

You will be an integral part of the innovative engineering team involved in the design, development, and verification of complete world class systems. Key Responsibilities: - Requirements capture, system design and documentation - Implementation in RTL (System Verilog) - Verification using simulation