Lead Frontend Engineer

Location: New York

The Lead Frontend Engineer is responsible for designing, scaling, and ensuring the technical excellence of modern user-facing applications within a growing AdTech platform. This role partners with product managers, UX/UI designers, marketing, and engineering teams to build high-performance web applications focused on digital advertising capabilities. The ideal candidate has strong expertise in frontend technologies, modern web architectures, and user experience optimization, with a deep understanding of data-intensive dashboards, component design, and API integrations.

This position plays a key role in delivering intuitive, responsive, and enterprise-grade solutions across advertising, media, and publishing workflows.

Req.#Responsibilities Lead end-to-end frontend development, architecture, and execution for AdTech platforms, campaigns, and analytical applications

Design, build, and maintain scalable, reusable components and robust frontend architectures using React and Java Script Validate  and deliver intuitive user interfaces for core AdTech capabilities, including campaign management dashboards, audience targeting and personalization tools, and reporting applications

Optimize application performance, responsiveness, accessibility (a11y), and usability across devices and environments

Perform API integrations, functional, regression, and end-to-end testing support across frontend systems and external services

Verify user workflows, data visualization, real-time analytics, and platform reliability while managing defects through resolution and root cause analysis

Collaborate with business, product, design, and engineering teams to support high-quality deliverables, ensure seamless user experiences, and drive successful cross-functional execution

Requirements8+ years of software engineering experience, including strong, demonstrable expertise focused on modern frontend development and web applications

Hands-on experience with modern JavaScript (ES6+) and React (Hooks, advanced state management, and component architecture)
Strong knowledge of web fundamentals and styling, including HTML5, CSS3, and modern styling methodologies

Proven experience building complex, data-intensive web applications, data grids, or analytical dashboards

Solid understanding of frontend tooling, development workflows, and deployment processes, including Webpack, Vite, npm/yarn, and CI/CD pipelines

Familiarity with API testing and integration between frontend applications and RESTful services

Knowledge of frontend performance optimization, debugging, error tracking, and monitoring techniques

Exposure to cloud-hosted applications and distributed systems from a frontend perspective

Nice to have Experience working in AdTech, Digital Advertising, or Media & Publishing domains, alongside hands-on integration experience with advertising technology platforms such as Google Ad Manager or Koddi Experience building high-scale enterprise web applications with React, supported by knowledge of frontend observability tools and a Bachelor’s degree in Computer Science, Engineering, or a related field

We offer

Medical, Dental and Vision Insurance (Subsidized)
Health Savings Account Flexible Spending Accounts (Healthcare, Dependent Care, Commuter)
Short-Term and Long-Term Disability (Company Provided)
Life and AD&D Insurance (Company Provided)
Employee Assistance Program Unlimited access to Linked In learning solutions

Matched 401(k) Retirement Savings Plan Paid Time Off Legal Plan and Identity Theft Protection Accident Insurance Employee Discounts Pet Insurance Employee Stock Purchase ProgramEPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our clients, 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…