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Senior Backend Developer (Python/Django)
Location: From Cairo
Employment: Full-time
About WasteHero
At WasteHero, we're revolutionizing municipal waste management through cutting-edge software. Our cloud-native SaaS platform helps cities and private operators optimize routes, automate billing, ensure compliance, and build greener communities.
We're already working with municipalities and waste companies across Europe — including one of the largest public-sector transformation projects all of Europe — and we're just getting started.
WasteHero is a mission-driven scaleup with strong product-market fit, backed by institutional investors and public contracts. Our HQ is in Aarhus, Denmark, where product and engineering
sit at the heart of the business.
The Role: Senior Backend Developer
We're looking for a senior backend engineer who will strengthen our distributed engineering team and help deliver mission-critical features in the coming 12–18 months.
As Senior Backend Developer, you will:
- Build and maintain Python/Django + FastAPI services powering our SaaS ERP platform
- Design and implement scalable REST & GraphQL APIs for integrations with municipal ERP systems
- Develop ETL pipelines and migration scripts (Python/SQL) to handle complex datasets from multiple sources
- Ensure system reliability, security, and GDPR/NIS2 compliance through robust logging, rollback, and error handling
- Collaborate daily with colleagues in Aarhus HQ and Finland, UK, Germany, working in an agile delivery setup
- Contribute to architectural decisions for performance, fault-tolerance, and long-term maintainability
Our Tech Stack
- Python 3, Django, FastAPI
- PostgreSQL, Redis, Celery
- GraphQL (Graphene), REST APIs
- Docker, gunicorn
- Bitbucket Pipelines (CI/CD)
- Hosted on Hetzner with private networking & load balancing
You Bring
- 5+ years of backend development experience (Python/Django preferred)
- Strong experience with relational databases (PostgreSQL/SQL)
- Track record of building production APIs and backend services at scale
- Experience with ETL, migrations, or integration-heavy environments
- Familiarity with Docker, CI/CD, and modern development pipelines
- Excellent English communication skills (Polish native a plus)
- Bonus: FastAPI, GraphQL, SaaS platform background, or public-sector software
Why Join WasteHero
- High-impact role: Your work directly supports public-sector digitalisation across Europe
- Ownership: Work on complex, integration-heavy challenges with real autonomy
- Growth: Be part of a fast-scaling SaaS company with ARR-focused expansion in the Nordics
- Upside: Competitive salary + stock options
- Culture: International, mission-driven team with a focus on clarity, fairness, and execution
- Purpose: Real-world environmental impact at scale
From our office in Cairo - with optional travel to Aarhus HQ for onboarding and key team events.
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