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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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