Senior Backend Engineer at WasteHero

Stilling Senior Backend Engineer
Opslået 25 Feb 2026
Udløbet 27 Mar 2026
Virksomhed WasteHero
Lokation Aarhus | DK
Jobtype Full Time

Jobbeskrivelse:

Seneste jobinformation fra WasteHero til stillingen som Senior Backend Engineer. If the Senior Backend Engineer ledige stilling i Aarhus matcher dine kvalifikationer, bedes du indsende din ansøgning eller dit CV direkte gennem den opdaterede Jobkos jobportal.

Bemærk venligst, at det ikke altid er nemt at søge job, da kandidater skal opfylde visse krav sat af virksomheden. Vi håber, at karrieremuligheden hos WasteHero til stillingen som Senior Backend Engineer nedenfor matcher dine kvalifikationer.

How to Apply
Click the link below to access the application form.
Click here :)
Fill in all the required information and make sure to attach your CV.
Under "Role you are applying for", select "Aarhus – Senior Backend" to ensure your application is directed to the appropriate department.
About WasteHero
WasteHero is building the digital infrastructure powering municipal waste management across the Nordics.
Our cloud-native SaaS platform enables cities and operators to optimize routes, automate billing, ensure regulatory compliance, and operate more sustainably.
We are a mission-driven scale-up with strong product-market fit, institutional backing, and long-term public contracts. Product and engineering sit at the core of the Virksomhed from our headquarters in Aarhus.
The Role
We are looking for a Senior Backend Engineer Distributed Systems & Architecture to act as the primary architectural sparring partner to our Principal Engineer.
This is a high-impact role focused on shaping the technical foundation of our Næste-generation event-driven, distributed platform.
You will not just implement — you will co-own architectural direction.
What You'll Do
Co-drive architectural decisions for our event-driven microservices platform
Design and build scalable, multi-tenant distributed systems
Define service boundaries, data ownership, and consistency strategies
Shape event flows, messaging patterns, and cross-service orchestration
Lead architecture reviews and DDD workshops
Contribute to technical strategy across major Nordic municipal projects
Establish backend engineering standards and mentor other engineers
Collaborate with distributed teams across Danmark, Norge, Finland, and Egypt
Tech Stack
Language: currently Python - eventually others as we see the need
Framework: FastAPI (migrating from Django)
Messaging: NATS JetStream
Data: PostgreSQL, MongoDB, Redis
Infrastructure: Kubernetes (DigitalOcean & Hetzner)
Architecture: Event-driven microservices, multi-tenant SaaS
DevOps: GitOps & CI/CD
You Bring (required)
5+ years of backend development experience
Strong Python expertise
Proven experience designing distributed systems in production
Deep understanding of event-driven architectures and eventual consistency
Experience operating cloud-native systems with Kubernetes
Experience designing multi-tenant SaaS architectures
Nice to Have
Experience with NATS, Kafka, RabbitMQ or similar
Domain-Driven Design experience
Django experience
Experience with public-sector or regulated systems
Background in logistics, waste management, or infrastructure platforms
What Makes You Successful Here
You enjoy architectural discussions and technical ownership
You think in systems, not just services
You balance long-term design with pragmatic delivery
You care about clean abstractions and operational excellence
You elevate those around you
Why Join WasteHero
Real architectural influence in a growing SaaS scale-up
Complex distributed systems challenges with real-world impact
Direct collaboration with technical leadership
Ownership from design to production
Long-term public infrastructure contracts
International engineering culture
Environmental and societal impact
How to Apply
Click the link below to access the application form.
Click here :)
Fill in all the required information and make sure to attach your CV.
Under "Role you are applying for", select "Aarhus – Senior Backend" to ensure your application is directed to the appropriate department.

Jobinfo:

  • Virksomhed: WasteHero
  • Stilling: Senior Backend Engineer
  • Arbejdssted: Aarhus
  • Land: DK

Sådan indsender du en ansøgning:

Efter at have læst og forstået kriterierne og minimumskravene til kvalifikationer forklaret i jobinformationen Senior Backend Engineer at the office Aarhus ovenfor, bedes du straks færdiggøre dine ansøgningsdokumenter såsom ansøgning, CV, kopi af eksamensbevis og andre bilag som forklaret. Indsend via linket 'Næste side' nedenfor.

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