Senior Frontend Developer (AI Scale-Up)

About this role

Modo Energy is building AI-powered tools for understanding global energy markets — combining LLM agents, real-time market data and forecasting models, to create an AI Analyst that can reason about complex energy systems.

Our frontend is where massive datasets, predictive models, and AI systems become usable. We build fast, data-heavy interfaces that allow users to explore energy markets, interrogate datasets, and interact with complex forecasting models in real time.

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.

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 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.

Essential:

• Bachelor’s/Master’s degree in Information Technology, Computer Science, or equivalent experience.
• 5+ years of professional experience in Frontend Development.
• Strong proficiency in 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 st...