Lead Front-End Developer (React)

EPAM Systems; Colombia; A distancia; COP 90.000.000 - 150.000.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Healthcare benefits

Learning & certification courses

Global career opportunities

Paid time off

Descripción de la vacante

EPAM Systems in Colombia seeks a Lead Front-End Developer with deep React expertise to build responsive, accessible web experiences and define engineering standards for the team. You will collaborate with product, design and backend engineers to deliver cohesive interfaces.

You will mentor juniors, drive UI architecture and code quality, and integrate GenAI into daily delivery to boost speed and reliability. This role offers international projects and career growth opportunities.

Formación

• 5+ years front-end development with JavaScript and React.
• Proven leadership in mentoring developers and driving team alignment.
• Experience designing reusable UI architectures and scalable components.
• Strong code-review discipline with feedback and quality standards.
• Hands-on testing: unit and end-to-end testing practices.
• GenAI experience for research, drafting, analysis, and code generation.
• Proficiency in delivering across product, design, backend engineering, and QA.

Responsabilidades

• Build responsive, accessible web applications with high quality.
• Create reusable frontend libraries and frameworks for scalability.
• Drive UI implementation decisions for performance and long-term health.
• Collaborate with product, design and backend teams to deliver cohesive interfaces.
• Guide juniors on practices, standards, and career growth.
• Run code reviews to raise quality and consistency.
• Tune performance for fast load times and smooth interactions.
• Embed GenAI tools in workflows and validate outputs.
• Lead ongoing frontend improvements and GenAI-enabled delivery methods.

Conocimientos

Leadership & mentoring

React expertise

Performance optimization

Code reviews

GenAI integration

Cross-functional collaboration

Testing strategy

Debugging across browsers

Architecture of reusable UI

English communication (B2+)

Herramientas

JavaScript

React

Git

Jest/Cypress testing

Web performance tools

Descripción del empleo

We are seeking a Lead Front-End Developer with deep React expertise to craft responsive, accessible web experiences while defining engineering standards and guiding teammates. You will collaborate with cross-functional peers and integrate GenAI into daily delivery to boost speed and quality. Apply to help create meaningful impact!ResponsibilitiesBuild responsive, user-friendly web applications with high accessibility standardsCreate reusable frontend libraries and frameworks to boost scalability and maintainabilityDrive technical decisions for UI implementation, performance, and long-term code healthPartner with product managers, designers, and backend engineers to deliver cohesive interfacesConvert UI/UX wireframes into high-quality React and JavaScript code and share design feedbackGuide junior developers on best practices, coding standards, and career growthRun code reviews to raise quality, consistency, and team learningTune application performance to ensure fast load times and smooth interactionsTroubleshoot complex issues and ensure cross-browser and cross-device stabilityApply unit and end-to-end testing to reduce regressions and increase reliabilityWork with QA to identify, prioritize, and resolve defects before releasesEmbed GenAI tools in daily workflows and validate outputs against data and quality constraintsAdvance continuous improvement by assessing new frontend practices and GenAI-enabled delivery methodsRequirements5+ years of front-end development background in JavaScript and ReactProven leadership skills in mentoring developers and driving team alignment (1+ years)Hands-on expertise in designing reusable UI architectures and scalable component librariesStrong competency in code reviews with clear, constructive feedback and quality standardsSolid proficiency in project execution across product, design, backend engineering, and QAStrong skills in performance optimization for fast load times and smooth interactionsHands-on qualifications in testing, including unit testing and end-to-end testing practicesStrong capability to debug across browsers and devices with a stability-first mindsetApplied skills in Generative AI, using GenAI tools for research, drafting, analysis, and code generationStrong expertise in prompt engineering for iterative, production-grade outputsPractical understanding of AI risks, covering hallucinations, context limits, and data sensitivity validationProficiency in English at a B2+ levelNice to haveKnowledge of AI security fundamentals, including prompt injection risks and data classification handlingFamiliarity with Cybersecurity & Trust practices relevant to secure frontend deliveryBackground in GenAI application development, connecting GenAI tools to APIs and internal data sourcesShowcase of GenAI in SDLC, building reusable prompts, agent workflows, or automation templatesWe offerInternational projects with top brandsWork with global teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedInEPAM 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.