Frontend Developer
We're looking for a Frontend Developer focused on designing and building scalable technical solutions. This mid level role requires 3+ years of relevant experience.
LocalStack - the Local Cloud Sandbox for Developers and AI Agents
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 .
LocalStack is a local cloud development platform. LocalStack makes it easier, faster, and less expensive for software teams to ship reliable, high-quality applications to the cloud.
The cloud was built to run software, not to support AI-native development workflows. As the world's leading local cloud development platform, LocalStack provides secure local sandboxes that simulate cloud environments, enabling AI agents and software developers to find and fix risks faster and more effectively than they can in the cloud.
Our customer base ranges from SMBs to Global Fortune 500 companies. Our clients include companies like NASA, Harness, IBM, Workday, Comcast, Apple, 3M, Block and many more.
We are sustainably growing our globally distributed teams across GTM, operations and engineering. In 2025 we almost doubled in size and continue to grow across all areas in 2026.
LocalStack is headquartered in Zurich/Switzerland 🇨🇭, with a small engineering office in Vienna/Austria 🇦🇹 and remote team members from 25 countries including 🇺🇸the US, 🇫🇷FR, 🇬🇧UK, 🇨🇦CA, 🇪🇸ES, and many more! 👉Check our Notion Candidate Handbook and our GitHub !
Requirements
✅ What you will be working on/responsible for
Deliver high-quality marketing pages quickly and reliably, enabling the marketing team to launch campaigns on schedule without engineering bottlenecks.
Maintain a fast, accessible, and technically healthy website, consistently meeting performance, responsiveness, accessibility, and Core Web Vitals standards.
Ensure every published page meets a high quality bar, with minimal production defects through rigorous QA of both manually created and AI-generated content.
Improve website effectiveness through data-driven optimization, contributing to measurable improvements in conversion rates, user engagement, and organic traffic.
Build scalable website processes, creating reusable components, QA checklists, and documentation that increase team efficiency and consistency.
✅ Experience we expect you to bring to the role
Hands-on experience building websites in Webflow
Ability to translate Figma designs into responsive web pages
Understanding of responsive design principles, accessibility, and web performance
Familiarity with HTML, CSS, and basic JavaScript
Experience using AI tools (Claude, ChatGPT, Figma AI, Webflow AI, etc.) to accelerate content creation while applying critical QA
Basic understanding of SEO best practices
Experience with Google Analytics (GA4
Posted July 10, 2026