Senior Performance Engineer jobs in Chelmsford

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 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.

You will take ownership of production equipment, mentor a Junior Engineer, and contribute to production layout design, capital projects, and continuous improvement initiatives. Key Responsibilities - Maintenance, Diagnostics & Reliability

Job Description A Senior Hardware Design Engineer is sought to join an innovative engineering team in Essex, responsible or leading projects designing, developing, and testing hardware solutions that contribute to our range of high-performance products. The Senior Hardware Design Engineer, Essex, will lead technical excellence in the field, guiding design and validation practices and mentoring...

📍 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...

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,...

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 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 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 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 technically lead ATE projects from concept to deployment, mentoring junior engineers and collaborating with cross-functional teams in hardware, firmware, and manufacturing to enhance product test coverage, throughput, and diagnostic accuracy. Key Responsibilities:

Job Description A Senior RF Design Engineer will join a thriving Technical Consultancy to work on a complex range of projects from radar systems and advanced robotic systems to sensors and radio communications. The successful Senior RF Design Engineer will be qualified to Degree level in Electronic Engineering or a similar discipline and will bring several years post-graduate experience in...

Senior Electrical Design Engineer (Building Services) Job Type: 6 months Contract Outside IR35 Location: Essex / London Start date: ASAP Rate: 42-45 per hour G2 are working with a Design and Construction Company who are looking for an experienced Senior Electrical Design Engineer to support commercial projects in London. What we're looking for: - Senior-level experience:You're an...

PRS are currently working with a growing design consultancy client based in Harold Wood who are seeking a Senior Electrical Design Engineer to work on a variety of projects within the Building Services sector. Job Responsibilities: £55-70k - Work on a variety of project sectors, preferable experience (Rail, Local Authorities, Commercial and Educational). - Head up projects - facing clients and...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global scale. 🎯...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

You will hold a driving licence. What can you expect from us At least the cost of living pay increase every year Company pension contributions up to 5% if employees contribute 4% 33 days holiday including bank holidays with the ability to purchase an additional 2 weeks Enhanced maternity, paternity and adoption pay

You will also play a key role in developing automated test systems and mentoring junior colleagues. Responsibilities include: - Perform in-depth testing of new and existing electronic modules to the highest standards. - Lead complex projects in collaboration with international colleagues.