Senior Backend Engineer (AdTech)

TL;DR

Senior Backend Engineer (AdTech): Building and optimizing high-performance web applications for an AdTech platform with an accent on scalable systems, API design, and data integration. Focus on developing clean, efficient code using NestJS and TypeScript and integrating external services for data-driven product features.

Location: Berlin (on-site 5 days a week)

Salary: €85,000 – €100,000

Company

hirify.global is building the future of marketing by rewarding a community of over 60 million users for engaging with advertiser products, aiming to become Germany’s second bootstrapped unicorn.

What you will do

• Develop clean, efficient, and scalable code using NestJS and TypeScript.
• Create a data-driven product by integrating external services for A/B testing and feature flagging.
• Deliver high-quality testable code at a high pace.

Requirements

• Strong experience in web development.
• A good understanding of scalable systems.
• Production experience with most of their tech stack (TypeScript, NestJS, GraphQL, MySQL, MongoDB, Docker, Kubernetes).
• Ownership mindset.
• Strong English communication skills.
• Work on-site 5 days a week in Berlin.

Nice to have

• Experience working with microservices architecture.
• Background in DevOps/SRE practices.

Culture & Benefits

• Equity in hirify.global for all Berlin-based employees.
• Opportunity to grow alongside a profitable startup.
• Central Berlin office built for collaboration.
• Transport subsidy, breakfasts and lunches.
• Language learning, Urban Sports Club membership.