Front End Engineer – AI & LLM Powered Data Platforms

Reposted 3 Days Ago
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Square Mile, Greater London, England, GBR
In-Office
Mid level
Fintech • Information Technology • Payments • Consulting • Energy • Financial Services
The Role
Seeking a Front-End Engineer to lead UI architectural evolution, design component libraries, ensure performance, and guide technical leadership in a rapidly growing team.
Summary Generated by Built In

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 75+ 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're hiring a Frontend Engineer to lead the architectural evolution of our UI. You'll define the design patterns, component abstractions, and typing contracts that allow the wider engineering team to ship features quickly without compromising the architecture.

Our frontend is where massive datasets, predictive models, and AI systems become usable - fast, data-heavy interfaces that let users explore energy markets, interrogate datasets, and interact with complex forecasting models in real time. The stack is TypeScript, React, and Next.js in a modern monorepo architecture built for rapid, AI-assisted development.

What You'll Do

  • Lead the technical direction for our frontend monorepo - state management, routing, and module boundaries within Next.js and TypeScript
  • Design and develop our internal UI component library (built on MUI) - reusable, strictly typed abstractions that serve as building blocks for the engineering team and AI agents
  • Build and improve high-performance, low-latency interfaces - profiling performance, minimising re-renders, and keeping the platform responsive under heavy data loads
  • Set the architectural patterns and coding standards that govern development, including oversight of high-volume AI-assisted contributions
  • Act as the primary technical authority for frontend - guiding the team on UI best practices and effective use of AI coding tools

What We're Looking For

The Essentials

  • 3+ years of professional frontend development experience
  • Strong proficiency in TypeScript, React, and modern JavaScript
  • Hands-on experience with Next.js
  • Experience with Material UI (MUI) or a comparable component library
  • Strong eye for UI/UX - you can bridge the gap between design and engineering and build polished, production-quality interfaces
  • Solid understanding of testing principles with frameworks such as Jest, Cypress, or Playwright
  • Proficient with Git, Docker, and CI/CD workflows
  • Familiarity with monorepo structures and tools (Turborepo, Yarn Workspaces, or similar)

Nice To Have

  • Familiarity with Python and/or energy forecasting models
  • Experience in energy markets or data-heavy analytical products
  • Startup or scale-up background

Compensation, Legal, & Equal Opportunity

  • Benefits: 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; top-tier private healthcare and dental coverage.
  • Compensation: £70k - £90k per year
  • 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.
  • 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 [email protected]

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.

Top Skills

Ci/Cd
Cypress
Docker
Git
Jest
Material Ui
Next.Js
Playwright
React
Typescript
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The Company
HQ: Hampstead
40 Employees
Year Founded: 2019

What We Do

Modo Energy is the all-in-one platform for battery energy storage analysts. Started in 2020 by co-founders Q and Tim, Modo Energy has become one of the most trusted voices in the ever-expanding battery energy storage market. Through an integrated mix of price forecasts, revenue benchmarking, in-depth research, educational materials, real-time market screens, and downloadable data - Modo users have all the tools at their fingertips to finance, build, and operate the energy system of the future. Modo Energy’s most recognizable products include: - Benchmarking Pro, which tracks the most valuable revenue streams for individual storage sites and compares performance across leaderboards. - Forecast Pro, a 2050 projection built for energy storage and used to finance future battery projects. - The Energy Academy, a series of educational videos explaining the mechanics of the electricity market. - Modo: The Podcast, on which some of the most respected doers, disruptors, and thought-leaders in the industry share their experiences and insights with a global audience. - And much, much more. Head to the platform to explore Modo's products for yourself - sign-up is free. Want to find out how Modo Energy can help you navigate the evolving battery energy storage landscape? Get in touch with a member of the team today. Our platform includes specialist data, organised so that our users can intuitively navigate the wider market. We also provide written and video insights that cut through the complexity of the industry. Here at Modo, we build connections. We stand by our core company values of inclusivity, transparency, impartiality. We work closely with others throughout the energy industry to deliver the information and insights people need in ways that make sense. To learn more about Modo, visit modo.energy

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