Senior Front-End Developer (JavaScript/TypeScript/React)

About the Position

We are seeking a Senior Front-End Developer with expertise in JavaScript, TypeScript, and React to join our team in Colombia, focusing on building scalable frontend components.

Responsibilities

• Architect, build, and maintain scalable frontend components and shared libraries using React, JavaScript, and TypeScript
• Drive the delivery of complex user-facing features from technical design through release, aligned with product strategy and team priorities
• Define testing strategies and implement comprehensive unit, integration, and regression tests using React Testing Library to ensure long-term reliability
• Lead the adoption and extension of Material UI to establish consistent, accessible, and reusable UI patterns across the application
• Partner closely with backend engineers to design API contracts, integrate services, and optimize end-to-end flows
• Lead code reviews, define engineering standards, and champion best practices to raise the overall quality bar across the team
• Own the stability of a high-availability, store-ready application by proactively identifying and resolving defects, performance bottlenecks, and technical debt
• Mentor mid-level engineers and contribute to the technical growth of the team

Requirements

• 3+ years of hands-on experience with JavaScript, React, and TypeScript, including delivery of production-grade applications
• Proven experience with Anthropic Claude Code or similar AI-assisted development tools, with the ability to integrate them effectively into daily workflows
• Strong architectural thinking and the ability to make sound technical decisions in ambiguous environments
• Demonstrated cross-functional leadership, working effectively with backend, product, and design partners
• Strong ownership mindset with a track record of driving initiatives end-to-end and adapting to shifting priorities
• Excellent communication skills, including the ability to influence technical direction and explain complex concepts clearly
• Excellent written and verbal communication skills in English (B2+ level)

Nice to Have

• Practical experience with Java
• Working knowledge of Spring Boot
• Experience with New Relic for monitoring and performance analysis

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
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek, and LinkedIn