Senior / Staff Front-End Engineer

Role Overview

As a Senior / Staff Front-End Engineer at Equilibrium Energy, you will shape frontend architecture for energy software, drive strategic UI/UX initiatives, and mentor junior engineers while collaborating across a remote-first, multi-time-zone team.

Key Missions

• Make critical frontend architecture decisions and guide strategic initiatives.
• Tackle complex and ambiguous problem spaces and translate domain requirements into elegant, scalable user interfaces.
• Lead technical mentorship and help grow junior colleagues through best practices.

Responsibilities

• Own frontend (or full-stack) engineering efforts at scale, including conception, development, and ownership of complex, data-intensive UI/UX architectures.
• Partner with product managers, designers, backend engineers, and data scientists to align technical strategy with business goals.
• Establish and improve testing and performance strategies for large TypeScript/React codebases.

Requirements

• Experienced Frontend or Full-Stack Engineer with proven impact leading frontend/full-stack engineering at scale.
• Strong frontend expertise in large, data-intensive UI/UX and performance optimization.
• Deep knowledge of modern frontend testing: unit, functional, and end-to-end testing.
  • Examples: Testing Library, Cypress, Playwright.
• Collaboration skills for a remote-first company operating across the EU and the Americas.
• Track record mentoring engineers and improving team quality and productivity.
• Understanding of security best practices (enterprise experience is a plus).
• Experience designing strategies to consume, visualize, and interact with large, complex datasets (including data models and APIs).
• Commitment to clean energy and climate change impact.
• Background in the energy/power systems sector.

Nice to Have

• AI-augmented development experience (GenAI/LLMs, agentic tools such as Cursor/Windsurf).
• Python proficiency; FastAPI and Plotly are pluses.
• Auth0 for authentication/authorization.
• Observability/error tracking (e.g., Sentry, Grafana, Honeycomb, Prometheus).
• Experience building on AWS.
• Advanced degree in computer science.
• Experience with CI/CD and orchestration tools such as CI/CD, Pants, Docker, Kubernetes.