Modo Energy
Senior Front End Developer – AI & LLMs
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About Modo Energy
The energy transition is the biggest infrastructure buildout in human history. Modo Energy is the data platform at the centre of it.
We build the benchmarking, forecasting, and valuation tools that the world's most serious energy investors, developers, and operators depend on to make decisions. If a battery gets financed, built, or traded anywhere in the world, there's a good chance Modo data was in the room.
Founded in 2019, we're 80+ people across London, New York, Sydney, and Madrid; $30M Series B, AI-native, and moving fast.
This is a rare chance to join a category-defining company at the moment it's scaling globally.
The Role
We seek a Frontend Engineer to help lead the architectural evolution of our UI. As part of a team, your main goal is to build a frontend architecture that supports rapid, AI-assisted development.
We are AI-native and our tech stack is TypeScript, React, and Next.js in a modern monorepo architecture, designed to support rapid feature development and AI-assisted engineering workflows.
We are looking for individuals who love product-building and want to work with pace at a mission-oriented start-up.
Responsibilities
- Architectural Strategy: help with the technical direction for our frontend monorepo to ensure long-term scalability.
- Component System Architecture: help design and develop our internal UI library (based on MUI).
- Performance Engineering: help build and improve high-performance, low-latency user interfaces.
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Essential
- 5+ years of professional experience in Frontend Development.
- Excellent TypeScript, React, and modern JavaScript with Next.js.
- Experience with Material UI (MUI) or similar component libraries.
- Testing principles and experience with frameworks like Jest and Cypress or Playwright.
- AI assisted development skills.
- An eye for design (UI/UX): Ability to build polished, aesthetically pleasing interfaces and bridge the gap between design and engineering.
- Proficient with Git, Docker, and CI/CD workflows.
- Familiarity with Monorepo structures and tools (e.g., Turborepo, Yarn Workspaces).
- Bachelor’s/Master’s degree in Information Technology, Computer Science, or equivalent experience.
Desirable
- Any start-up / scale-up experience is beneficial.
- Familiarity with Python is advantageous.
- Any experience of the energy sector is highly desirable.
Salary & Benefits
- £70,000 - £120,000
- Equity Share Scheme
- Private top-tier Healthcare and Dental coverage with Bupa, Salary sacrifice pension with 3% employer contribution; 25 days annual leave (excluding bank holidays), plus 5 flexible days to be taken on a Monday or a Friday.
- A great social scene, company nights out, outdoor events, networking events, and lots of snacks and drinks – obviously!
The salary range listed reflects industry benchmarks for this role. Modo Energy's policy is to pay top of personal market - if you're exceptional, we'll make it work. We want the best engineers!
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NOTE: Hybrid Work Environment. We are all in-office days Tuesday, Wednesday & Thursday, and we are based by Euston Square.
Modo Energy is an equal opportunity employer. Employment decisions are made on the basis of qualifications, merit, and business need. We do not discriminate on the basis of age, national origin, physical or mental disability, race, religion, pregnancy, sexual orientation, gender identity, veteran status, or any other characteristic protected under applicable UK law, including the Equality Act 2010.
If you require assistance or a reasonable accommodation during the application or interview process, please contact us at careers@modoenergy.com
What You Can Expect From Us
At Modo Energy, we believe that exceptional work deserves exceptional reward. We're a high-performance team; ambitious, collaborative, and genuinely motivated by the scale of what we're trying to build.
You'll have real ownership from day one, work alongside some of the brightest people in the industry, and be part of a company that's defining a new category in the global energy market. We're hybrid: everyone works Tuesday to Thursday in office, with Monday and Friday flexible. We offer top-of-market compensation, equity for every employee, and the space to take your career wherever you want it to go.
We're looking for people who want to do the best work of their careers. If that's you, we want to talk.
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