Senior Front-End Developer – React & GenAI Innovator

EPAM Systems; Colombia; Presencial; COP 90.000.000 - 120.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

LinkedIn Learning access

Global career opportunities

Paid time off

Upskilling & certification courses

Volunteer opportunities

Diversity & inclusion culture

Descripción de la vacante

EPAM Systems is seeking a Senior Front-End Developer with React expertise to build responsive, accessible web applications while embedding GenAI into daily delivery through automation, research, and reusable workflows. You will collaborate across disciplines, uphold high code quality, and help scale AI-native ways of working.

You will design, implement, and optimize front-end features, mentor juniors, and drive modern frontend practices across international teams, ensuring performance and

Formación

• 3+ years of experience in front-end development with modern web applications.
• Strong hands-on experience with JavaScript and React in production environments.
• Proven code review experience with clear, constructive feedback.
• Solid UI engineering skills translating UI/UX designs into high-quality code.
• Strong testing skills with unit testing and end-to-end testing practices.
• Strong performance optimization skills for fast load times and smooth interactions.
• Strong debugging skills across browsers and devices for complex issues.
• Working knowledge of Generative AI fundamentals and practical GenAI tool usage.
• Strong prompt engineering skills for multi-step instructions and iterative refinement.
• Strong AI safety awareness, including hallucination risks and data sensitivity boundaries.
• Strong collaboration skills with product, design, backend, and QA partners.
• Upper-Intermediate English proficiency (B2).

Responsabilidades

• Design highly responsive, user-friendly web applications.
• Architect reusable libraries and UI frameworks that scale and perform well.
• Build accessible, cohesive user interfaces in partnership with product, design, and backend peers.
• Translate UI/UX wireframes into production-quality React code and provide design feedback.
• Mentor junior developers on best practices, standards, and career growth.
• Lead code reviews to maintain quality and accelerate team learning.
• Analyze application performance and optimize load time and runtime interactions.
• Debug complex issues and ensure cross-browser and cross-device stability.
• Implement unit and end-to-end testing to reduce regressions and increase reliability.
• Coordinate with QA to identify issues early and resolve defects before releases.
• Adopt GenAI tools to automate routine work, accelerate analysis, and improve delivery workflows.
• Drive continuous improvement by evaluating and introducing modern frontend practices.

Conocimientos

Frontend development

JavaScript

React

Code review

UI engineering

Testing

Performance optimization

Cross-browser compatibility

GenAI familiarity

Prompt engineering

AI security awareness

English communication

Descripción del empleo

EPAM Systems is seeking a Senior Front-End Developer with React expertise to build responsive, accessible web applications while embedding GenAI into daily delivery through automation, research, and reusable workflows. You will collaborate across disciplines, uphold high code quality, and help scale AI-native ways of working.

You will design, implement, and optimize front-end features, mentor juniors, and drive modern frontend practices across international teams, ensuring performance and