Senior Mobile Engineer, Shine

• Proven experience building and scaling React Native applications in a SaaS or platform environment
• Strong knowledge of Expo, EAS, and mobile CI/CD pipelines
• Deep understanding of App Store & Play Console processes, signing, and release management
• Solid experience implementing and maintaining testing strategies (Jest, Detox, Maestro)
• Passion for developer experience, documentation, and sharing knowledge across teams
• Excellent cross-functional collaboration skills—able to partner with design, product, and engineering managers
• Proven experience building and scaling React Native applications, with strong knowledge of Expo, EAS, mobile CI/CD pipelines, and prior exposure to Expo Custom Native workflows
• Comfortable navigating iOS and Android projects to debug builds, integrate config plugins, or adjust local modules
• Passion for developer experience, documentation, and knowledge sharing

Desirable

• You’ll join a small but pivotal Frontend Ops team (Head of Frontend, Web Engineer, and you) dedicated to building the foundations that let product teams move faster and more consistently
• You’ll pair strategic thinking with hands-on React Native engineering, shape the mobile architecture vision, and partner closely with design to create a shared design system that truly bridges Figma and code
• As Senior Mobile Engineer at Shine, you’ll be the hands, the craft, and the steady voice driving mobile excellence across our rapidly evolving SaaS universe
• With six customer-facing applications—three web, three mobile—each with its own quirks, build systems, and styling approaches, we’re unifying how we deliver great product experiences across platforms
• This is a unique opportunity to define how mobile is built at Shine, improve developer experience, streamline QA and production releases, and make it simple for product squads to ship high-quality features across both iOS and Android
• Strategy & Architecture
• Co-define Shine’s mobile architecture vision with the Head of Frontend and Web Engineer, ensuring it meshes with the broader frontend consolidation effort
• Contribute to the design system strategy—design tokens, component APIs, and shared UI patterns that span mobile and web
• Advocate good practices, tooling, and workflows that make mobile development approachable for all engineers
• Technical Ownership
• Lead hands-on development in React Native + Expo, ensuring a robust, maintainable codebase
• Shape and maintain CI/CD pipelines and release automation (EAS, GitHub Actions, Firebase, App Store Connect, Play Console)
• Ensure QA and production build and release processes are smooth, well-documented, and easy for stream-aligned teams to use
• Act as the go-to expert for signing, submissions, and store compliance, unblocking teams when issues arise
• Ensure testing strategies (Jest, Detox, Maestro) are well integrated into the mobile workflow
• Collaboration & Enablement
• Work in lockstep with the design team to align Figma tokens and components with live code, creating a tight feedback loop
• Support and mentor engineers in stream-aligned teams, helping them confidently deliver mobile features on top of shared foundations
• Document architecture, decision records, and developer-friendly guides that enable contribution without gatekeeping

• 1️⃣ An initial conversation with Alexandre (Senior Software Engineer - Frontend Ops) and Rogier (Engineer Manager), to understand your background, motivation, and expectations
• 2️⃣ A technical interview with a live coding session and discussion with Alexandre and several members of the team
• 3️⃣ A finale interview when we will talk about your soft skills with a personality test, and you will meet your potential future colleagues.