Front End Engineer, Sr.
Sundayy
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About the role
Role overview
Senior/Staff Front-End Engineer to design and scale an AI-enabled energy software platform. You’ll build interconnected frontend applications that support automation and human oversight for complex energy systems and data-intensive decision-making.
Responsibilities
- Participate in frontend architecture decisions and strategic planning for scalable energy solutions
- Develop and maintain interconnected frontend applications for automation and human decision-making
- Translate complex energy domain requirements into intuitive, user-friendly interfaces
- Partner with product managers, designers, backend engineers, and data scientists to deliver cohesive UX
- Build robust frontend strategies for visualizing and interacting with large datasets and APIs
- Ensure frontend security, performance, and reliability using best practices
Requirements
- Strong commitment to clean energy and climate change mitigation
- Extensive frontend/full-stack experience building large-scale, data-intensive applications
- Proficiency in TypeScript and React, including experience with complex codebases
- Experience designing and implementing frontend strategies for large datasets and APIs
- Knowledge of AI-augmented software engineering (GenAI, LLMs, agentic tools)
- Understanding of enterprise security best practices
- Experience with modern testing frameworks: Testing Library, Cypress, and Playwright
- Strong communication skills for remote collaboration
Nice to have
- Background in energy/power systems
- Proficiency in Python and FastAPI
- Experience with additional React ecosystem/tools (listed): React Context, Zustand, TanStack Table & Query, Recharts, D3, Plotly.js, Auth0
- Experience with observability, AWS, CI/CD, Docker, Kubernetes
- Advanced degree in Computer Science
About Sundayy
Equilibrium Energy (Sundayy listed) is a clean energy startup building innovative technology for the power sector. The company is developing an AI operating system for the energy industry, combining deep domain expertise with modern digital and AI capabilities. Their mission focuses on creating a cleaner, more resilient energy grid through technology-driven solutions.
Scraped 4/23/2026