Sr. Backend Software Engineer (Python) (m/w/x)
Grover · Berlin HQ
About Grover
Founded in 2015, Grover enables consumers and businesses across Europe to subscribe to tech devices and comprehensive technology solutions - from individual smartphones, laptops, and wearables to full corporate device setups. The company offers access to over 1,000 unique tech items on flexible and financially convenient terms. A pioneer of the circular economy, Grover refurbishes and recirculates devices to help eliminate e-waste.
To continue this incredible adventure, we are currently looking for a Senior Software Engineer (Risk) to join our talented Risk Engineering team at our Berlin HQ (40 hours full-time, onsite 3 days per week (Tues-Thurs).
Risk Engineering builds the systems that decide which subscription orders Grover approves, declines, reviews or verifies, in real time, across four markets and for both consumers and businesses. As a Senior Software Engineer, you report to the Engineering Manager, Risk Engineering, and join a small, senior team that owns its services end to end. You work closely with risk analysts, data scientists, and product to grow approval rate while keeping fraud and defaults in check.
🎯 What you will contribute:
- Our risk decisioning platform: the rule engine, experiments and decision APIs (FastAPI, GraphQL federation) that every Grover order passes through.
- New risk products, starting with dynamic pricing and counter offers, from design to production.
- Integrations with credit bureaus and identity, fraud and AML providers, built to stay reliable when vendors are not.
- Event-driven flows on Kafka for decisions, manual review, ID verification and bank-account checks, correct under retries, duplicates and race conditions.
- Tools for our risk analysts: the manual review experience and our LLM-powered risk assistant on AWS Bedrock.
- Reliability and observability of your services: Datadog monitors, on-call, runbooks and removing legacy dependencies.
🤝 What you bring:
- 5+ years of backend engineering, with Python in production as your main language, with comfort working 90% on the backend and 10% on the frontend.
- Hands-on experience with event-driven systems (Kafka or similar) and PostgreSQL.
- Experience designing REST and/or GraphQL APIs and integrating third-party APIs.
- You have owned services in production: on-call, debugging across services, monitoring.
- You are comfortable with AWS, Docker and Kubernetes, and can work with Terraform.
- You like working with non-engineers, explain trade-offs simply and stay calm when priorities shift.
- Bonus: fintech, payments, lending, fraud or credit-risk experience; rule engines or ML in production; LLM tooling; Rust, Rails or Vue; German.
🚀 The Grover Way - How We Drive Success:
- Own It: We take ownership seriously and define what success looks like. We drive shared ownership and don't wait - we drive. We keep one another accountable and take responsibility when issues arise.
- Challenge, Decide, and Commit: We engage in proactive support, active listening, and healthy conflict to reach the best outcomes. We value diverse perspectives and, once a decision is made, we commit to it fully.
- Empower and Grow: We enable, trust, and coach one another toward high performance, always thinking and acting like owners. We seek growth, apply feedback, and support the development of our peers.
- Respect, Transparency, and Clarity: We strive for clear, respectful, and open communication with no surprises. We simplify complex information so everyone knows the "what, why, and how".
❤️🔥 What you will love about us:
- A diverse global team of 75 nationalities (and counting!)
- Virtual or In-person Coaching Sessions with the Fürstenberg Institut
- Physical health support with Urban Sports Club
- Annual learning budget of 750€
- 15 remote business days per year to work abroad
- 4 Volunteer days per year
- Exclusive Grover Tech discount
- BVG monthly discount to drive you everywhere in Berlin
- Engaging, open office located in Berlin-Schöneberg with regular events
Embark on a rewarding journey with the Grover Rocketship, where your impact is felt, and together, we cultivate a more circular world. 💚
We are looking forward to e-meeting you! 🚀