Front-End Developer (Swedish Ad Platform)

Required skills

Are you passionate about building high-performance front-end solutions? Join Sigma Software as a Middle Front-End Developer and help shape the future of cutting-edge AdTech products. This hybrid role is based in Wrocław, Poland, offering flexibility to work partially from the office.

We at Sigma Software partner with a Sweden-based AdTech leader to create scalable, API-driven platforms used by globally recognized publishers. Why join us? You’ll work with modern technologies, contribute to architectural transformation, and grow your skills in a collaborative, innovative environment.

Customer

Our Customer is a Sweden-based AdTech company specializing in advanced self-serve advertising platforms that automate direct transactions between advertisers and major global publishers. Their technology removes traditional friction in ad sales by enabling automation, transparency, and operational efficiency at scale. Platforms are trusted by internationally recognized publishers including TripAdvisor, Bloomberg, The Washington Post, Opera, and Dow Jones, handling millions of transactions worldwide.

Project

The project is a strategic architectural transformation toward a Platform-First approach. The company is transitioning from monolithic, client-specific implementations to a standardized, API-driven, multi-tenant ecosystem of reusable microservices. These services power the entire product suite, remaining independent, scalable, and decoupled from frontend or customer-specific customization.

Key Technologies: Vue 3, TypeScript, AWS (S3, CloudFront), Vite, Cypress, Vitest