
ToffeeX helps engineers generate optimized industrial component designs quickly by using physics rather than trial-and-error. The company provides a cloud-native, B2B SaaS generative design platform that combines physics-driven AI and multi-physics simulation to produce high-performance, manufacturable shapes for parts such as cold plates, heat exchangers, heat sinks, and manifolds. The platform outputs designs compatible with additive manufacturing, machining, stamping, and chemical etching workflows and is used by engineering teams in aerospace and thermal management. ToffeeX accelerates design cycles from days or weeks to hours while improving thermal performance and enabling more sustainable products.

ToffeeX helps engineers generate optimized industrial component designs quickly by using physics rather than trial-and-error. The company provides a cloud-native, B2B SaaS generative design platform that combines physics-driven AI and multi-physics simulation to produce high-performance, manufacturable shapes for parts such as cold plates, heat exchangers, heat sinks, and manifolds. The platform outputs designs compatible with additive manufacturing, machining, stamping, and chemical etching workflows and is used by engineering teams in aerospace and thermal management. ToffeeX accelerates design cycles from days or weeks to hours while improving thermal performance and enabling more sustainable products.
What they do: Cloud-native, physics-driven generative design software for thermal/fluids and multiphysics components
Founded / origin: Founded 2019 from Imperial College London research
Customers / use cases: Designs manufacturable parts (cold plates, heat exchangers, heat sinks, manifolds) for aerospace and thermal management
Funding signal: Raised multiple rounds totaling roughly $7.0M–$7.3M; Series A announced Nov 8, 2022 (≈£5M)
Engineering design optimization for thermal and fluid systems, replacing trial-and-error with physics-driven AI and simulation.
2019
DeepTech
£5,000,000
Series A announced Nov 8, 2022; reporting names Presidio Ventures and East Innovate/East Alpha as lead/participating investors
“Presidio Ventures, East Alpha / East Innovate, IQ Capital, Exor (Exor Ventures), Excellis, Type One Ventures, Aerospace Xelerated, Ashley Unitt, Imperial College London, Presidio Ventures”
We are seeking outstanding candidates with a strong track record of high performance in academic or industrial settings. You will play a central role in developing and implementing advanced mathematical models that power the ToffeeX engineering design platform.
This is an opportunity to work at the intersection of mathematics, engineering, and technology within a rapidly growing company. You'll join a multidisciplinary team solving challenging real-world problems, with a focus on physics simulation, optimisation, and computational geometry.
Key Responsibilities:
Essential Skills & Experience
Desirable Skills & Experience:
Company Benefits
Flexibility and support for continuous learning and professional growth.
25 days holiday per annum (plus UK bank holidays).
Private Healthcare with Vitality Health*.
Pension Scheme with NEST.
Cycle to Work scheme.
Perks at Work - Access to 30,000+ national & local employee discounts.
Work From Home Fridays.
Frequent Team Socials.
Visa Sponsorship Options.
Available once probationary period is complete
About us:
At ToffeeX, we are revolutionizing engineering design with our innovative software. This cutting-edge tool automates the creation of mechanical components for the engineering industry, leveraging advanced artificial intelligence, numerical simulation, and sophisticated mathematical optimization techniques. By bringing these innovations to the cloud, we empower design engineers to create components that outperform existing solutions.
We are committed to integrating the latest mathematical research into practical industry applications. Our cloud platform, built on a microservice architecture, allows us to continuously deploy advanced algorithms in optimization, computational geometry, and machine learning, keeping us at the forefront of engineering design technology.
Due to our recent growth, we have moved into a new office based in Central London where the team have a great space for collaboration. We have a fantastic culture within the company where each one of our team members is dedicated to helping ToffeeX become the best in the industry. ToffeeX has recently been named in the Startups.co.uk (https://www.linkedin.com/company/14033268/admin/page-posts/published/?share=true) 100 Index 2025!
If you think this role is for you, please submit your application and we look forward to hearing from you!