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Full-Stack Software Engineer Frontend Focused at LocalStack. We are a fast-growing Series A startup building cutting-edge technology to revolutionize cloud development processes and support highly efficient dev&test feedback loops. We’ve closed our last $25mil round in Q4 2024, led by Notable Capital, CRV and Heavybit.. At its core, LocalStack provides a high-fidelity emulator and local cloud development platform. Imagine developing cloud applications and data pipelines entirely on your local machine within a lightweight cloud sandbox, running in Docker!. Our . mission. is to empower developers to rapidly build and test their cloud applications, allowing for a more enjoyable dev experience, and saving valuable time and resources.. LocalStack has a large and active open-source community (57k+ stars on GitHub) with over 100k active users worldwide and 290M+ downloads to date. Our customer base ranges from SMBs to Global Fortune 500 companies.. We are sustainably growing our globally distributed team across sectors. LocalStack is headquartered in Zurich/Switzerland 🇨🇭, with a main engineering office in Vienna/Austria 🇦🇹 and remote team members from 🇺🇸the US, 🇫🇷FR, 🇬🇧UK, 🇨🇦CA, 🇪🇸ES, and many more countries.. 👉Check our . Notion Candidate Handbook. and our . GitHub. !. This is the right opportunity for a person with 3+ years experience in frontend engineering, strong skills in API design and integration, and a solid background in building intuitive, user-centric interfaces.. ✅ What you will be working on/responsible for. . Deliver performant, accessible, and visually coherent UI components. . . Ship end-to-end features (UI + backend integration) that function correctly in production. . . Improve developer productivity by creating reusable components, utilities, or tooling. . . Refactor legacy UI areas to enhance maintainability and performance.. . ✅ Experience we expect you to bring to the role. . 3+ years of experience with TypeScript and modern frameworks, ideally React (or strong understanding of another framework with readiness to adopt React).. . Experience integrating with APIs and implementing basic backend logic, with Python and frameworks such as Flask or FastAPI preferred.. . Foundational experience with cloud platforms (preferably AWS) and motivation to deepen knowledge in this area.. . Hands-on experience writing and maintaining unit, integration, and end-to-end tests using tools such as Jest and Playwright.. . Strong intuition for usability and UX, consistently advocating for user-centric design in technical decisions.. . 🌱 Values we hold in LocalStack. . Care: we create with compassion. We prioritize empathy and understanding in every interaction. By genuinely caring for our team, customers, and community, we create an environment where people thrive and impactful work flourishes. . Ownership: we own the outcome. We take responsibility for our work and are passionate about its impact. We foster autonomy, inspire ambition, encourage ownership, and empower everyone to unlock their potential and make an impact.. . Openness: we build trust together. We build trust through open communication and honest feedback. By sharing ideas and embracing diverse perspectives, we create stronger, more connected teams that work toward shared goals.. . Courage: we dare to innovate. We embrace bold challenges and take calculated risks to move the needle. We step outside our comfort zones, experiment fearlessly, and turn setbacks into springboards for growth.. . Excellence: we chase the extraordinary. We chase excellence by pushing boundaries and delivering results that go beyond the ordinary, constantly raising the bar and striving for greatness in everything we do. Excellence is not just the outcome, itʼs how we approach every task with purpose, passion, and a commitment to delivering exceptional value.. . Company Location: Spain.