Frontend Software Engineer

• Build and improve responsive, accessible interfaces using React and TypeScript.
• Translate product priorities and user feedback into clear workflows and polished interactions.
• Evolve frontend architecture, reusable components and shared UI patterns.
• Improve interfaces for AI-assisted development, including streamed responses, progress updates, generated-output review and error recovery.
• Integrate backend and third-party APIs, handling application state, asynchronous updates, loading states and failures.
• Deliver new features while maintaining existing functionality’s reliability and consistency.
• Identify and resolve usability issues, frontend bugs and performance bottlenecks.
• Strengthen frontend test coverage, code quality and release confidence.
• Contribute to code reviews and technical decisions, balancing immediate product needs with long-term maintainability.
• Use AI coding tools while independently reviewing and validating their output.
• Work closely with the founders and engineering team to evolve HyperDev’s AI developer platform.

• 4+ years of commercial frontend development experience, with substantial hands-on experience using TypeScript and React.
• Strong HTML and CSS skills, including responsive layouts, semantic markup and accessible interaction patterns.
• A track record of shipping and maintaining production web applications.
• Experience designing reusable components and managing complex application state.
• Experience integrating APIs and building reliable interfaces around asynchronous data.
• Strong attention to interaction design and visual detail, with the ability to translate designs or early concepts into usable interfaces.
• Experience writing meaningful component, integration and end-to-end tests using tools such as React Testing Library, Vitest or Playwright.
• Confidence diagnosing frontend bugs and performance issues using browser developer tools.
• Familiarity with Git/GitHub workflows, code reviews and CI/CD.
• Practical experience using AI coding assistants, with sound judgement about correctness, security and maintainability.
• Ability to work independently, communicate trade-offs clearly and collaborate in a fast-moving startup.
• Preferred: Experience building developer tools, code editors or other complex interactive applications.
• Preferred: Experience with AI-powered interfaces, streamed responses, WebSockets or server-sent events.
• Preferred: Familiarity with browser-based editor frameworks such as Monaco or CodeMirror.
• Preferred: Experience building design systems or shared component libraries.
• Preferred: Experience with Tailwind CSS, UnoCSS or similar styling tools.
• Preferred: Familiarity with Cloudflare Workers/Pages, frontend deployment workflows or monorepo tooling.
• Preferred: Experience packaging web applications for desktop using Electron or similar tools.
• Preferred: Contributions to open-source projects.

• Be part of the founding team of a new AI developer platform backed by an established, profitable parent company.
• Shape the architecture, product, and culture of a company from day zero.
• Collaborate with a team that has worked at OpenAI and shipped award-winning products.
• Access the resources, backing, and reach of the HyperionDev ecosystem while building something new.
• Work on the cutting edge of AI and developer tooling, with the freedom to experiment and innovate.