Are you passionate about fighting climate change? Do you want to work on creating a world where everyone can breathe clean air? Are you looking for an opportunity to apply your engineering skills to real-world challenges? Do you want to work on cutting-edge battery technology and learn from experienced engineers?

Who we are

At Breathe, we believe an electrified future is key to achieving this, which is why we are building battery technology to help brands do more with the power they have.

Our physics-based battery management software helps some of the world's largest and most iconic automotive and consumer electronics brands deliver products with faster charging, longer life and zero compromise on safety. Put simply, we make batteries better. And we want you to join us.

What we will give you

As a growing company you will join a talented and cohesive team who everyday go to work to do more with the power we have. Why? Because we dream of a world where everyone can breathe clean air. You will have the opportunity to have a big say in how the company is run and where we are going.

You will become an agent of change and help us push the industry forward by helping make the complex simple and in return you have an opportunity to grow your career with us as we scale.

We’re genuine people who want to do good and are driven by passion, coffee and a mutual love of dogs – and yes, our office in London is dog friendly and we would love to add more dogs to our pack.

Sounding great right?

We know it isn’t always 9-5 but we do know that family and a good work life balance are key to innovation, so we offer flexible/hybrid working to try to accommodate your needs.

We believe in keeping energy levels high and we have a constant supply of office snacks to help you with that.

As well as the ability to learn from and with a room full of experts working at the cutting edge of the industry, we will provide the support and training to develop your skills, be that via courses, conferences or other learning opportunities / materials.

About the internship

• Part of the Faraday Undergraduate Summer Experience (FUSE)
• June to September 2025 for 8 weeks (dates are flexible, must be completed by 5 September 2025)
• Hourly wage of £13.85 (London Living Wage)
• Unfortunately, we cannot sponsor visas for this role.

What you will be doing

This is an exciting time to join Breathe. Having proven the value of our products in both the automotive and consumer electronics spaces, we are looking for an intern to join our us this summer. Your internship will be within our testing team at Breathe, where we are building a world-class battery testing facility in London to output high quality battery test data. You will work in the laboratory to help us deliver the test data that underpins our product development and validation, whilst undertaking a project to help us develop our testing capabilities. We will provide you with experience and training to develop your skills and knowledge in Lithium-Ion battery testing.

Your day to day

• Your focus will be developing improvements to our bespoke cell test rigs, designing and prototyping improvements to our test fixtures in collaboration with our test engineering team.
• You will assist in defining requirements for future test equipment and rigs, considering factors such as electrical contact resistance, thermal performance, and mechanical reliability.
• You will assist in setting up, conducting and monitoring battery cell tests in our laboratory to support internal research and development projects
• You will assist in analysing test data and communicating outcomes within the company.
• You will assist the test engineering team in setting up test equipment
• For candidates interested in software development, there is an opportunity to contribute to a small Python-based project to improve data processing and test automation.
• Any additional work that may be deemed from time to time to be critical to product or company success.

Your background

• You will be a current undergraduate student at a UK university, studying a mechanical or equivalent technical discipline (not in your final year or during a subsequent Masters’ programme).
• Experience with mechanical design including Computer-Aided Design (CAD).
• Experience working in a laboratory or other testing environment is a plus, but not essential.
• Experience working with Lithium-Ion batteries is a plus, but not essential.
• A team player with a proactive attitude, good attention to detail, strong communications skills and the ability to work autonomously.
• Ability to work in a Kind and Conscientious manner.

We want to add the best talent to our incredible team, and we want to find you tomorrow. We will do our best to process your application as quickly as possible and come back to you within 2 weeks as we appreciate communication is key. But we aren’t perfect so do reach out to us for an update.

At Breathe, we believe that having diverse perspectives within our team is an essential part of innovating quickly, thinking from first principles, and expanding our expertise. Ultimately, enabling us to deliver better products to our customers.

We aim to attract, nurture, and retain diverse individuals. Because that’s how we do our best work. And because that’s the kind of world we want to live in. 

We welcome and encourage applications from all qualified candidates and are happy to provide the accommodations you need within our recruitment process to enable you to demonstrate your skills. Just let us know what you need.

So, what are you waiting for? Come join us!