EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

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 JavaScript ecosystem
Experience with cloud services, particularly AWS, and scalable backend integrations
Solid understanding of mobile architecture patterns, design principles, and best practices




Experience with authentication and security using Okta or comparable identity providers
Skilled in API development and integrations between mobile apps, backends, and third-party services
Familiarity with CI/CD practices for mobile release management and pipeline design
Strong communication skills for converting business requirements into technical solutions
Upper-Intermediate English proficiency (B2)

Nice to have
Experience with Android SDK and native module integration
Hands-on experience implementing mobile CI/CD for enterprise-level releases
Familiarity with cloud platforms other than AWS
Background in healthcare, medical devices, or MedTech industries
Experience with Okta customer identity solutions

We offer
International projects with top brands
Work with global teams of highly skilled, diverse peers
Healthcare benefits
Employee financial programs
Paid time off and sick leave
Upskilling, reskilling and certification courses
Unlimited access to the LinkedIn Learning library and 22,000+ courses
Integral career opportunities
Volunteer and community involvement opportunities
EPAM Employee Groups
Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn

EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.

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📌 Lead JavaScript Engineer (React Native / Mobile) (Ciudad de México)
🏢 Epam Systems
📍 Ciudad de México