Senior Full-Stack Engineer (React + JavaScript)

test IO
test IO

Software Engineering

United States · New York, NY, USA

USD 140k-150k / year

Posted on Jul 3, 2026

Join a global engineering team building an enterprise-grade digital advertising platform used by millions. You will design scalable React frontends, integrate REST APIs, and drive the expansion of a high-performance AdTech solution that transforms how brands connect with audiences worldwide.

Join EPAM to engineer solutions that matter. From AI to cloud transformation, you'll collaborate with top-tier innovators, gain autonomy to explore your ideas, and grow your skills in a culture built for tech excellence.

Req# 1015778970

Responsibilities
  • Design and build scalable, high-performance frontend applications using React and JavaScript, delivering intuitive interfaces for campaign management, targeting, and analytics dashboards
  • Develop and optimize responsive UI components that ensure exceptional user experiences across advertising platform views and reporting interfaces
  • Integrate frontend applications with REST APIs built in Java, .NET, or Node.js, and contribute to API design to ensure efficient frontend-backend interaction
  • Collaborate with Product, Design, and Marketing teams to translate business requirements into polished, high-quality user-facing features at pace
  • Participate in system design discussions, code reviews, and CI/CD processes to help scale the AdTech platform from MVP to enterprise-grade solution
  • Support integrations with major advertising ecosystems, troubleshoot production issues, and drive continuous improvements to performance and platform stability
Requirements
  • 6 to 8 years of software engineering experience with a strong emphasis on frontend development using JavaScript ES6+ and React, including hooks, state management, and component architecture
  • Proven track record building complex, data-driven UI applications using modern frontend tooling such as Webpack, Vite, and CI/CD pipelines
  • Hands-on experience integrating and designing REST APIs alongside working knowledge of backend technologies including Java, .NET, or Node.js
  • Experience with cloud-based applications and Agile development environments, with solid understanding of CI/CD, DevOps practices, and application resiliency
  • Strong problem-solving skills with the ability to collaborate effectively in fast-paced, distributed engineering teams across multiple time zones
  • Background in AdTech, digital advertising, or media and publishing domains, with experience integrating advertising platforms such as Google Ad Manager or similar ecosystems would be nice-to-have

EPAM 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 fullest potential.
Engineer the Future with a Career at EPAM

This posting includes a good faith range of the salary EPAM would reasonably expect to pay the selected candidate. The range provided reflects base salary only. Individual compensation offers within the range are based on a variety of factors, including, but not limited to: geographic location, experience, credentials, education, training; the demand for the role; and overall business and labor market considerations. Most candidates are hired at a salary within the range disclosed. Salary range: $140,000 - $150,000. In addition, the details highlighted in this job posting above are a general description of all other expected benefits and compensation for the position.

Applications will be accepted on a rolling basis.

EPAM will not provide new H-1B visa sponsorship for this position. Candidates with existing transferable H-1B status may be considered.