• Lead the end-to-end migration of multiple WordPress sites to Strapi (headless CMS) and Next.js frontend architecture • Design and implement scalable, performant web applications using modern JavaScript frameworks and best practices • Establish and maintain robust continuous integration and deployment pipelines using GitHub Actions or similar tools • Enforce code review processes through Pull Requests, ensuring high-quality, maintainable code across all projects • Implement and maintain comprehensive automated testing strategies, including daily test runs, integration tests, and end-to-end testing • Lead, mentor, and manage a team of developers with complementary skill sets, fostering growth and collaboration • Oversee Git workflows, branching strategies, and maintain repository organization in GitHub • Create and maintain technical documentation for systems, processes, and best practices

• Lead the design and development of React + TypeScript interfaces, including highly interactive, data-rich components. • Collaborate with UX and Product to iterate rapidly on incomplete designs and flows. • Integrate APIs and implement real-time updates, dashboards, and analytical features. • Build and maintain component libraries, reusable UI patterns, and scalable front-end architecture. • Establish coding standards, testing practices, and CI/CD workflows. • Mentor junior and mid-level developers and guide technical decisions. • Review and improve AI-generated front-end code, ensuring quality and stability.

• Develop more complex features, contribute to requirements analysis, and lead small initiatives • Support junior developers and share knowledge • Develop REST APIs using Node.js, TypeScript, and NestJS • Implement automated tests with Jest • Front-end development using React and Material-UI • Create and maintain CI/CD pipelines using GitHub Actions • Monitor deployments on Google Cloud and Azure • Model databases • Ensure maintenance of infrastructure tools such as an OAuth server and API Gateway (Gravitee AM and Gravitee APIM)

• Own Alt’s flagship mobile application our most important user-facing product. • Lead the React Native platform across build systems, deployments (store and OTA), CI/CD, performance, reliability, and developer experience • Work across multiple product domains: Auctions, Search, Payments, Lending, Notifications, Authentication, Fixed Price Marketplace and more. • Build seamless, highly performant UIs that make a React Native app feel truly native. • Work with the native layers (iOS & Android), bridging JavaScript and native code where needed. • Partner closely with product, design, and business to influence what we build—not just how we build it. • Mentor, level up, and provide architectural guidance to other engineers. • Help us scale a global frontend/mobile team; grow into management over time if desired. • Contribute to backend systems as needed (Python/FastAPI/Postgres, 30% of role).