Senior Backend Engineer (f/m/x)
Exmox GmbH16 hours ago
Hamburg, GermanySenior
Responsibilities
- Architect and build high-scale backend systems for real-time decision-making, ad delivery, and performance tracking.
- Design low-latency, reliable REST and GraphQL APIs and integrate third-party platforms, MMPs, and analytics tools.
- Optimize performance and scalability through profiling, caching, horizontal scaling, and distributed systems practices.
- Contribute to containerized deployments and observability using Docker, Kubernetes, and monitoring stacks.
- Mentor engineers, guide technical decisions, and participate in architecture reviews.
- Collaborate with product and data teams to deliver features that improve campaign effectiveness and advertiser ROI.
Requirements
- At least 5 years of backend engineering experience, including at least 2 years in high-volume, data-rich environments.
- Strong Python expertise and production experience with FastAPI, Flask, or similar frameworks.
- Deep understanding of API design, backend integration, distributed systems, queues, and event-driven architectures.
- Experience with Kafka or RabbitMQ and with Docker, Kubernetes, and cloud infrastructure.
- Strong performance tuning and scaling skills for latency-sensitive, high-throughput systems.
- Ability to balance technical quality with business outcomes and communicate complex concepts to cross-functional stakeholders.
- Experience with ad serving logic, tracking systems, fraud prevention, or real-time bidding is a significant advantage.
Benefits
- Transport subsidy, learning budget, wellness and gym benefits, workation, and bi-weekly team lunches.
- Flexible hybrid work in Hamburg, Germany, with work from home on Mondays and Fridays and office attendance Tuesday through Thursday.
Tech Stack
Categories
About Exmox GmbH
Exmox builds an engagement-driven user acquisition platform for mobile games, helping publishers scale and retain audiences on Android and iOS through customized reward funnels and performance advertising. The company operates as a marketing partner to gaming studios, monetizing via campaign spend tied to measurable outcomes. Founded in 2015 and headquartered in Hamburg, it is privately held and part of the Aonic Group.