Location: Aarhus, Denmark (Onsite, HQ)
Employment: Full-time
Salary: Competitive + stock options available
At WasteHero, we’re on a mission to revolutionize municipal waste management with cutting-edge, cloud-native software. Our SaaS platform helps cities and private operators optimize routes, automate billing, ensure compliance, and build greener communities.
We already work with municipalities and waste companies across Europe and the Middle East -and we’re just getting started.
Backed by institutional investors and public funding, we’re a mission-driven scaleup with strong product-market fit. Our HQ in Aarhus is where product and engineering sit at the heart of the business.
This is not just another backend role — this is a mission-critical leadership hire at a turning point for WasteHero.
Our product is undergoing a core redesign to make onboarding, integrations, and migrations faster and simpler. This is your chance to take the technical lead on a high-impact transformation, working closely with our CEO, product leads, and engineers in Aarhus to solve complex problems in hours, not days.
As Lead Backend Engineer, you will:
Own the architecture and development of our Python/Django + FastAPI services
Lead by example, mentoring developers and enforcing best practices in code quality, security, and maintainability
Redesign critical systems to make customer onboarding <2 months (currently 6+)
Collaborate closely with product, DevOps, and frontend teams to ship improvements fast
Drive architectural decisions for performance, scalability, and fault-tolerance
Backend: Python 3, Django, FastAPI
Data: PostgreSQL, Redis, Celery
APIs: GraphQL (Graphene), REST
Infra: Docker, gunicorn, Bitbucket Pipelines (CI/CD)
Hosting: Hetzner (Germany & Finland) – private networking & load balancing
5+ years backend development experience (Python/Django preferred)
Proven track record of building and scaling production systems
Strong experience with relational databases (PostgreSQL or similar)
Confidence in Docker, CI/CD, and modern dev pipelines
Leadership skills — mentoring, architectural calls, guiding teams
Pragmatic mindset focused on security, performance, and clean design
Bonus: FastAPI, GraphQL, SaaS platforms, public sector software experience
High-impact leadership role – your work directly shapes WasteHero’s product evolution
Onsite collaboration – work daily with decision-makers for rapid iteration
Ownership – real autonomy, not just tickets in a backlog
Equity potential – grow with us as we scale internationally
Purpose-driven mission – use your skills to drive real-world environmental change
📍 Must be able to work onsite from our Aarhus HQ. Relocation support can be discussed.
📬 Apply directly on Thehub
This job comes with several perks and benefits