Senior Fullstack Engineer - Retail Media & AdTech (Remote)

Hidden Jobs; United States; Hybrid; USD 102,000 - 148,000; Full time

Benefits offered by this job

Remote-friendly setup

Cologne base collaboration

Job summary

Hidden Jobs is seeking a senior fullstack engineer to design and build scalable retail media and adtech services. The role sits in a Cologne-based engineering group and supports the entire customer journey with a strong emphasis on performance and reliability.

You will mentor peers, contribute to architectural decisions, and work across product and data teams to deliver campaign management and measurement capabilities in a remote-friendly environment.

Qualifications

• Senior fullstack engineer with strong frontend depth and several years of experience.
• Hands-on background in retail media, adtech, or high-traffic environments.
• Proficiency with modern web frameworks and backend service development.
• Understanding of campaign delivery, audience targeting, and ad measurement.
• Strong CI/CD, observability, and code quality practices.
• Senior IC role within an expert engineering career track.

Responsibilities

• Design and develop fullstack services and frontend applications for retail media and adtech.
• Build advertising experiences integrated into the customer journey with focus on performance and reliability.
• Collaborate with product, data, and platform teams on campaign management and targeting.
• Contribute to scalable, low-latency, maintainable adtech architecture.
• Mentor engineers and uphold quality through code reviews and testing.

Skills

Senior fullstack engineer

Frontend depth

Web frameworks

Backend service development

CI/CD

Observability

Code quality

Job description

Hidden Jobs is seeking a senior fullstack engineer to design and build scalable retail media and adtech services. The role sits in a Cologne-based engineering group and supports the entire customer journey with a strong emphasis on performance and reliability.

You will mentor peers, contribute to architectural decisions, and work across product and data teams to deliver campaign management and measurement capabilities in a remote-friendly environment.