Company
exmox GmbH logo

exmox GmbH

exmox.com
Location

Hybrid work from Hamburg:

  • 🇩🇪 Germany
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Senior Backend Engineer

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.

  • Commuter Benefits: Public transportation tickets provided.

  • Professional Development: Annual education budget of €1,500.

  • Workation Opportunities: Combine work and vacation annually.

  • Wellness: Access to over 7,000 gyms and spas in Germany through Wellpass.

  • Catering: Monthly team lunches, daily fruits, vegetables, and a variety of beverages.

  • Flexibility: Flexible working hours and hybrid work model.

  • Corporate Benefits: Exclusive discounts for major brands and platforms.

  • Diversity: Join an international team with diverse cultural backgrounds.

  • Fun and Games: Socializing area for relaxing activities during the workday.

Please note: this is not a remote only position, we offer you a flexible hybrid model here in Hamburg, Germany - working from home on Mondays & Fridays, coming to the office on Tuesday, Wednesday & Thursday!