Optimisation Engineer jobs in Chelmsford

Job Description Site Process Engineer Location: ChelmsfordDepartment: OperationsReports to: Operations Manager Are you passionate about improving manufacturing processes, driving efficiency, and making a real impact on production performance? We’re looking for a Site Process Engineer to join our clients' team and lead process optimisation initiatives across the site. In this role, you’ll work...

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...

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...

Job Description Employment Type: Part-Time Location: Chelmsford, Essex Work Setup: On-site, 1-2 days per week Our Client Our client is a leader in automotive performance technology, developing advanced hardware and embedded software that unlocks an engine’s true potential. For over a decade, their team has engineered precision tuning systems that boost power, torque, and fuel efficiency...

You will play a critical role in maintaining, improving, and developing PLC-based systems within a heavy manufacturing environment. Key Responsibilities

You will be a great fit if you: - Have 5+ years full-stack experience, with strong JavaScript/TypeScript depth. - Are backend-leaning, with deep Node. js and API experience. - Have previously worked in early-stage start-ups or very lean engineering teams. - Have extensive evidence of being a hands-on individual contributor in complex codebases.

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...

Machine Learning Engineer - Contract (Financial Services, Outside IR35) Duration: 6 months Rate: £650 - £750 per day IR35: Outside Location: UK / Remote We’re seeking an experienced Machine Learning Engineer to support a Financial Services organisation on an initial 6-month contract, working on production-grade ML systems that operate in regulated, high-volume environments. This role is...

Multi-Agent LLM Systems Remote (MUST BE IN EUROPE) We’re partnering with a venture-backed startup led by a founder who has built and taken two technology companies to IPO, now assembling a world-class team to tackle one of the most impactful problems in applied AI. The company is developing a voice-enabled AI copilot used by professionals to eliminate the friction from documentation and...

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:

You will work closely with Engineering, Production, and Quality to troubleshoot issues, optimise workflows, and introduce process improvements that reduce waste, enhance productivity, and control costs.

You will receive 33 days holiday per year which includes a Christmas closure

Salary is £51,000 to £56,000, Pension, 33 days holiday and excellent overtime! Are you a Maintenance Engineer looking for a new challenge in a recession proof industry for a company that has been established for over 100 years! Working within a team you if you are Electrical bias you will need to be comfortable with your mechanical skills to undertake working alone from time to time. The plant...

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...

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,...

Manufacturing Process Engineer Basildon, Essex Full-time Permanent Day Shift Monday-Friday First Achieve Engineering & Manufacturing are recruiting on behalf of a high-precision manufacturing organisation operating within a regulated engineering environment. We are seeking a Manufacturing Process Engineer to join the team in Basildon. This is a key role focused on designing, implementing, and...

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.

Compiler Engineer Location: Remote (UK / EU) Working Model: Fully Remote The Company Spectral Compute is a deep-tech startup building compiler technology that enables portable, high-performance GPU computing across diverse hardware platforms. Their work removes vendor lock-in by allowing existing CUDA applications to run efficiently across different GPU and accelerator architectures, solving...

Job Title: Lead Electrical Engineer Location: Remote Sector: Energy / Renewable Power Type: Permanent Company Overview Our client is a leading developer of advanced energy infrastructure projects, delivering large-scale grid connections, battery energy storage systems (BESS), and charging hubs across the UK. They are driving the transition to a smarter, cleaner energy future through...

You will design, develop, and maintain our platform's backend infrastructure, focusing on multi-tenant architectures, security, and efficient LLM integration. This role requires a strong understanding of Python web frameworks, cloud services (particularly AWS), and modern AI approaches including working with agentic architecture.

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...