Senior Backend Developer (Python)

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