Senior Performance Engineer jobs in Reading

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...

You will be working across a range of financial services and AI based projects The ideal candidate will be keen to progress their career in a consulting environment, where they can contribute to multiple projects, using a range of tools and technologies.

You will be responsible for supporting the consultancy on test automation proof of concepts as well as presenting and demoing solutions to clients.

Job Description We are looking for an Environmental Performance Specialist to join Thames Water permanently.This role sits within our Operational Excellence Team, providing governance and structure to support our frontline operational roles. Some of the key teams this role will be working alongside are the Water Operations Team, Net Zero Team, Water Performance Team and Pollution Investigation...

You will guide not only what we do, but how we do it—ensuring that results are achieved with rigor, transparency, and purpose. This is a leadership position for someone who understands that true performance comes from alignment: between strategy and execution, data and intuition, teams and clients.

Job Description Senior Engineer – £60,000 to £65,000 – Residential Housebuilder – Berkshire Potensis Selection are working with a large house builder based in Kent who are looking to recruit a Senior Engineer to join their growing Technical Team. Our client is a well-established national house builder with a strong regional presence, delivering and maintaining high-quality, affordable home....

🚀 Senior Full-Stack Engineer – TypeScript / React / AWS 💰 Up to £80k | Fully Remote (UK) 💻 Tech Stack: TypeScript, Node.js, React.js, AWS ✅ Slight backend lean We’re on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn’t R&D or proof-of-concept work, they’re shipping cloud-native, AI-enabled products that customers actually...

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

Senior Quality Engineer Medical Device Startup | £60M Raised Why This Role Matters This is a rare opportunity to join a high-growth medical device startup that has raised £60M from top-tier investors and is scaling rapidly towards global commercialisation. The company is building next-generation medical technologies that will meaningfully improve patient outcomes. As Senior Quality Engineer,...

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.

Senior Backend Engineer | Fully Remote UK | £70,000-£75,000 | Python | Django | AWS Location: Fully Remote - Candidates MUST be UK based Salary: £70,000-£75,000 + benefits Tech Stack: - Backend: Python (Django) - Frontend: React - Cloud Systems: AWS, Docker Are you a Senior Backend Engineer who enjoys taking ownership of real production systems and shaping how a platform evolves as it...

You will lead an established Test Engineering organisation and play a key role in improving the consistency, effectiveness, and scalability of testing across teams, with a strong focus on quality outcomes and customer confidence. This is a player–coach role, requiring you to remain technically hands-on while also developing people, standards, and ways of working.

You will work with a talented, experienced and supportive team and enjoy true flexibility with options to work completely remotely or in office as and when you wish. With a culture built on inclusion and continuous development, this is an environment where your expertise is valued, your ideas are heard and your career can grow.

📍 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...

We’re expanding our engineering team and hiring a Senior Python Software Engineer to help own and develop an established trading-related application. The system runs in production, processes high-frequency real-time data, and needs careful performance engineering and disciplined testing to keep latency and reliability where they should be. You’ll take meaningful ownership day-to-day, partnering...

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 Mechanical Engineer - Southern EnglandBrighton, United Kingdom / Cambridge, United Kingdom / Croydon, United Kingdom / London, United Kingdom / Reading, United Kingdom / Southampton, United KingdomLocation/s: Reading, London, Croydon, Brighton, Cambridge, Southampton; UKRecruiter contact: Nicola CoyleMott Mac Donald is a global engineering, management, and development consultancy with over...

Senior Embedded Software & Firmware EngineerOxford, England, United KingdomAt OQC, our embedded software and firmware underpins the operation of our quantum computing systems — bridging complex hardware with higher-level software to deliver reliable, high-performance quantum devices. We’re now looking for a Senior Embedded Software & Firmware Engineer to take a leading role in designing,...

On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development. Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together...

Senior Data Engineer Job Title: Senior Data Engineer Salary Range: £80,000–£100,000 Location / Working model: London | Hybrid This is a critical technical position within a high-growth, forward-thinking organization that specializes in digital innovation. We require an experienced Senior Data Engineer to design, build, and maintain a robust, scalable, and high-performance system that is...

You will be required on-site and in the office 2-3 days a week. Working hours: 36 hours a week, Monday to Friday. What you should bring to the role - Proven experience in LV, MV, and HV systems within utilities (water, energy, power). - Engineering HNC or HND / Degree within an Engineering Discipline.