Front End Developer

Job Summary

We are looking for a Front End Developer with strong experience with React to take part in development of our key analytics software product for increasing the lifetime performance of stationary and automotive battery systems. The successful candidate will be part of our software and data science team and will be responsible for developing the front end of client-facing applications used to monitor and visualise our customer’s battery energy storage systems current and predicted performance.

You will join Brill Power at an exciting time, having recently closed our Series A fundraising round, and moving towards further hardware and software product innovations and releases.

About Brill Power

Brill Power works at the cutting edge of energy storage, power electronics, and battery software. We are a team of problem solvers and innovators, keen to make energy storage as efficient and sustainable as possible.

Established in 2016, Brill Power is a founder-run startup with roots in the Engineering Department at the University of Oxford. Our first product for the stationary storage market launched in 2021 and we are looking forward to growing our impact and expanding to new markets. We are a small and talented team based in Oxford who are looking for new members to join us for the next chapter of Brill Power.

Here’s what we’re about:

  1. Fun is essential to success: We love what we do.  We think you should too.
  2. We are not alone:  We share spaces, markets, geographies, and Earth’s resources with everyone around us.  Acting in a fair and honest manner is how we work at Brill Power.
  3. We do cool stuff: We don’t make products that are the norm. We innovate and raise the bar on what is possible.

Job Overview

The person who joins us as a Front End Developer will own the front end side of our client-facing battery analytics web application.  They will spend most of their time implementing new features and fixing bugs in the application. They will also make both high-level technology decisions such as what technologies we use and what our testing strategy should be. They will be key to delivering advanced battery diagnostics and prognostics algorithms developed by the data science team into our analytics platform product, providing our customer with valuable insights into their battery systems’ current and future performance.

If you are keen to develop new technologies and work in a dynamic field, this may be the role for you. You should be confident working autonomously while also being comfortable working with the team in a fast-paced environment.  You should have strong analytical skills and be a critical thinker who is not afraid to keep questioning the status quo.

The role is based at our head office in Oxford, but a degree of flexible working for you and your team is welcomed. Brill Power offers a hybrid in office and working from home environment. If you fill most of the qualifications listed below and are excited to work on cutting-edge battery technology, we want to talk to you.

Where are we now, and why is the role important to us

An advanced prototype of our web application is already being used by our first clients. The front end is written in Fluent React. The main functionality comprises data visualisation and user management. Going ahead, we want to make sure that the UI works smoothly and adheres to modern standards. This is where a dedicated person who can engage with all stakeholders and concentrate on the UI itself is crucial.

Responsibilities Include

  • Design, develop, maintain and test new front-end and back-end features
  • Interact with the firmware and data science teams to synchronise on how data is being visualised and interpreted
  • Generate user and design documentation
  • Collaborate with members responsible for backend development and communicate progress
  • Liaise with customers and users of our systems to fix bugs and gather inputs for further development
  • Assist in maintaining a positive and productive atmosphere within the team

Skills and Qualifications

  • Excellent knowledge of a modern full-stack framework, ideally React.
  • Good knowledge of a data visualisation library such as D3
  • Good knowledge of Git
  • Experience handling and transforming data coming from APIs/Database
  • Scientific approach to problem solving. Hypothesis, Test, Understand etc.
  • Strong debugging skills
  • Able to work autonomously
  • Fast-learner and eager to quickly adapt and pick up new technologies and skills
  • Great communication skill and works well with others
Nice to have:
  • Experience with front-end testing tool such as Cypress
  • Experience with CI/CD

Brill Power Benefits

In addition to a fun and friendly team and working environment, we offer:

  • Competitive salary, based on experience
  • 25 days of holiday plus bank holidays
  • Benefits package, including income protection, life insurance, and medical cover
  • Full time, permanent role, with flexible working hours
  • Opportunity for hybrid working (home and office)
  • In-office tea, coffee, & snacks
  • Regular team social events

Get in touch

There is no perfect candidate, and no single person can do it all, but if this sounds like you and you’re looking for somewhere to thrive, we want to hear from you. 

Brill Power is an equal opportunity employer and welcome applications from all, without regard to their race, sex, disability, religion/belief, gender reassignment, national origin, sexual orientation, or age. 

Please send a CV and cover letter to, clearly indicating where your skills and experience match what we are looking for in this role. 

Brill Power is proud to be a certified Oxford Living Wage employer.

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