your mission
As a Senior Backend Engineer, you’ll be instrumental in designing and scaling the systems that power our Ad-Tech platform including high-throughput tracking pipelines. You'll work alongside data scientists, product specialists, and frontend developers to drive measurable impact across millions of daily user interactions.
- Architect and build high-scale backend systems to power real-time decision-making, ad delivery, and performance tracking.
- Design efficient APIs and services that serve internal teams and external partners with low-latency and high reliability REST and GraphQL included.
- Work on data-intensive components, including event processing, attribution tracking, and campaign performance monitoring.
- Ensure high performance under load, applying profiling, caching strategies, and horizontal scaling to keep systems fast and reliable.
- Integrate with third-party platforms, including MMPs, and analytics tools, using RESTful APIs
- Contribute to containerized deployments and observability using Docker, Kubernetes, and modern monitoring stacks.
- Mentor and guide engineers through complex technical challenges, architecture reviews, and clean, scalable design.
- Collaborate cross-functionally with product and data teams to deliver features that directly influence campaign effectiveness and advertiser ROI.
your profile
- 5+ years of backend engineering experience, with at least 2+ in a high-volume, data-rich environment (Ad-Tech preferred).
- Strong Python expertise, with production experience in FastAPI, Flask, or similar frameworks.
- Deep understanding of API design and backend system integration. Familiarity with both REST and GraphQL.
- Experience with distributed systems, queues (e.g., Kafka, RabbitMQ), and event-driven architectures.
- Strong performance tuning and scaling skills, especially in latency-sensitive systems.
- Experience with Docker and Kubernetes, and a solid grasp of cloud infrastructure and container orchestration.
- Ad-Tech familiarity: Experience with ad serving logic, tracking systems, fraud prevention, or real-time bidding is a significant plus.
- Analytical mindset: You think in systems, solve problems holistically, and love optimizing for scale and efficiency.
- Strong communicator: Comfortable working across disciplines and articulating complex technical concepts in a business-aware context.
why us?
- Work-Life Balance: 30 days of paid vacation.
- Professional Development: Annual education budget of €1,500.
- Workation Opportunities: Combine work and vacation annually.
- Diversity: Join an international team with diverse cultural backgrounds.
