Senior Full Stack Developer – AdTech

We are a fast-growing AdTech company helping online publishers maximize their advertising revenue through innovative technology and data-driven solutions.

We're looking for a Senior Full Stack Developer with strong JavaScript/TypeScript expertise and experience in the AdTech ecosystem to join our R&D team.

In this role, you'll build and scale the technologies behind our advertising platform, working across backend and frontend to solve complex challenges in real-time advertising, programmatic monetization, and high-performance web applications.

Responsibilities

• Design, develop, and maintain scalable backend services and modern web applications

• Build high-performance full-stack solutions using Node.js and React

• Develop and integrate RESTful APIs and third-party services

• Build and optimize integrations with Google Ad Manager (GAM), Prebid.js, and advertising technologies

• Develop high-performance client-side ad implementations and optimize browser performance

• Optimize application performance, scalability, latency, and reliability

• Work with AI-powered tools and technologies to improve engineering productivity and platform capabilities

• Collaborate with Product, Data, and Engineering teams to deliver new platform capabilities

• Participate in architecture discussions and technical design decisions

• Troubleshoot production issues and continuously improve platform stability

• Write clean, maintainable, and well-tested code following engineering best practices

Requirements

• 5+ years of Full Stack development experience

• Strong production experience with JavaScript and TypeScript

• Hands-on experience with Node.js

• Experience with React (or a similar modern frontend framework)

• Experience building scalable REST APIs and asynchronous services

• Strong understanding of browser performance, asynchronous programming, and web optimization

• Experience building high-traffic, scalable web applications

• Experience with SQL and/or NoSQL databases

• Experience working with AWS or GCP

• Familiarity with CI/CD pipelines and production deployments

• Strong understanding of software architecture, distributed systems, and design patterns

• Excellent problem-solving skills

• Fluent English

Advantages

• Hands-on experience with Prebid.js and header bidding implementations

• Experience with Google Ad Manager (GAM) and Google AdX

• Strong understanding of the programmatic advertising ecosystem, including:

• OpenRTB

• SSPs & DSPs

• Auction mechanics

• Floor pricing

• VAST / VPAID

• Experience with publisher monetization platforms

• Experience with high-scale, real-time AdTech systems

• Experience with video advertising technologies (Google IMA SDK, Instream, Outstream)

• Familiarity with identity solutions such as UID2

• Experience implementing advanced ad formats (Sticky Ads, Smart Refresh, Interstitials)

• Experience with CTV / OTT advertising

• Experience with Docker, Kubernetes, Microservices, or Infrastructure as Code

• Experience integrating AI technologies into products or engineering workflows

What We Offer

• Join a fast-growing, innovative AdTech company

• Build products used by leading digital publishers worldwide

• Work on large-scale, real-time advertising systems

• Take ownership of high-impact technical initiatives

• Collaborate with an experienced engineering team working on cutting-edge AdTech and AI technologies

• Excellent opportunities for professional growth and career development