Lead by Building: Full-Stack Engineer Driving Code and Team Forward (Frontend-Focused)Position: Full-Stack Software Engineer (Frontend-Focused)About the CompanyBeff is a global company that provides a software/hardware platform to enable a carbon-neutral society through the development of batteries, which are core components of electric vehicles.Job DescriptionWe're looking for a Full-Stack Engineer with strong front-end skills and a passion for building real products. You'll be responsible for taking ideas from concept to live, collaborating closely with other team members and stakeholders, and shipping features that customers love.This role is ideal for someone who's built and launched real products, understands tradeoffs, and can balance speed with craft.Job Responsibilities:· Own features end-to-end, from rough wireframes to deployed apps· Build high-quality, modular, and performant UIs using and any other most suitable tools.· Collaborate with product/design to shape UX that's intuitive· Design and build scalable APIs and backend logic using NestJS and Python· Architect solutions that are maintainable, extensible, and clean· Participate in roadmap discussions, give feedback, and contribute to product direction· Push for quality through thoughtful code reviews, testing, and refactoring· Constantly look for ways to optimize dev speed and output qualityApplication NotesTo ensure a smooth screening process, please make sure to include the following information in your CV when applying:Major development projects you have worked on (including both professional and personal projects)Your specific responsibilities and roles in each projectProgramming languages, frameworks, and tools used (e.g.,, NestJS, Python, AWS, etc.)Additional details such as the type of product, team structure, and development duration will also help facilitate the selection process.Required Skills & Experience· years of professional full-stack web development experience (excluding academic projects) using or and TypeScript· Hands-on experience with API development using or Python (REST/GraphQL)· Knowledge of UI/UX fundamentals, component design, and state management· Familiarity with E2E testing or A/B testing to ensure product quality· Ability to collaborate with designers using tools like Figma· Experience with Git-based workflows and agile development practices· Strong communication skills and ability to work in a fast-paced, startup environmentBonus (Nice to Have)· Experience working at a startup or shipping SaaS products· Experience with large-scale or high-traffic web services· Familiarity with user testing and prototyping for UX improvements· Experience with cloud platforms (AWS/GCP/Azure) and CI/CD pipelines· Knowledge of microservices or event-driven architecture· Domain knowledge in battery development or manufacturing (a plus)· Experience in building internal developer tools or improving developer experienceTech Stack· Frontend: (Hooks, Context, modern state management, component libraries)· Backend: NestJS ), Python (FastAPI for data services)· Databases: PostgreSQL, Redis, NoSQL· Infra/DevOps: Docker, AWS, GitHub Actions· Tooling: Figma, LinearWhy Join Us?· Create real impact in the battery and green energy world, driving a sustainable future· Build meaningful products from scratch· Shape product and engineering direction, not just code it· Fast iteration, real ownership, high impact,Join our team at Beff, where we're not just planning for the future, we're creating it