Senior Backend Engineer

Vor 2 Tagen

Hamburg, Hamburg, Deutschland exmox GmbH Vollzeit 80.000 € - 120.000 € pro Jahr
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

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