We're looking for a Lead JavaScript Engineer to drive the technical direction and hands-on development of large-scale React Native applications, built with an iOS-first approach before expanding to Android. This person will combine strong coding skills with technical leadership—guiding architecture decisions, mentoring the team, and ensuring delivery quality throughout the product lifecycle. Join us to help build a scalable mobile infrastructure.

Responsibilities
- Lead hands-on development of mobile applications while shaping technical strategy for iOS-first delivery and Android follow-up
- Establish engineering standards, coding guidelines, and design patterns for the mobile team
- Design and implement security, scalability, and integration solutions covering authentication, CMS, and personalization
- Guide technical decisions and conduct code/architecture reviews to maintain consistency and quality
- Collaborate with product and engineering stakeholders to turn requirements into practical solutions




- Contribute to technical roadmaps that align engineering decisions with business objectives
- Evaluate and select tools, libraries, and frameworks that support long-term maintainability
- Coach and mentor engineers, promoting best engineering practices throughout the team
- Create architecture diagrams, integration flows, and technical documentation
- Spot risks, dependencies, and technical debt, then develop mitigation strategies
- Contribute to CI/CD strategy and manage releases for mobile applications

Requirements
- 5+ years of overall software engineering experience
- Proven experience in a lead or senior engineering role on mobile projects
- Solid leadership abilities in guiding technical decisions and mentoring engineers
- Background working on enterprise-scale applications with alignment across cross-functional stakeholders
- Hands-on experience with React Native and Expo in production mobile apps
- Strong command of TypeScript and familiarity with the modern

📌 Lead JavaScript Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina