GreenShift.app
Back End Developer
GreenShift.appNetherlands13 days ago
Full-timeEngineering, Information Technology

📍

Location: Amsterdam, relocation possible

Type: Full-time, Permanent


About Us

We’re a venture-backed startup on a mission to make cloud usage smarter, cheaper, and greener. Our product analyses cloud infrastructure and application code to reduce emissions and optimise cost and performance. We're already working with leading organisations in Europe and the Middle East and are scaling rapidly.

We are now looking for a Backend Engineer who lives and breathes Python and wants to work on high-impact, distributed systems used by large enterprises.


What You’ll Do

* Design, build, and scale cloud-native microservices in Python and Node.js

* Work with a variety of data stores: PostgreSQL, MongoDB, Redis, Elasticsearch, and more

* Write performant async APIs and robust background jobs (e.g., Celery, RabbitMQ)

* Integrate with external APIs (AWS, Azure, GCP, Kubernetes, Terraform, Prometheus, etc.)

* Help shape our internal tooling, CI/CD pipelines, and developer experience

* Own code quality, from automated testing (pytest, tox, mypy) to monitoring (Prometheus, Grafana)


Our Stack

Languages & Frameworks:
Python 3.10+, FastAPI, Flask, SQLAlchemy, Pydantic, Celery

Databases & Queues:
PostgreSQL, MySQL, Redis, MongoDB, RabbitMQ

DevOps & Infra:
Docker, Kubernetes (EKS/GKE/AKS), Helm, Terraform, Ansible, GitHub Actions

Cloud & APIs:
AWS, Azure, GCP, Kubernetes API, Cloud Billing APIs, Prometheus, Grafana

Quality & Observability:
pytest, mypy, coverage.py, black, ELK


What We’re Looking For

* 4+ years of experience writing Python backend services

* Strong understanding of distributed systems

* Experience building and deploying containerised services and applications

* Comfort working with cloud APIs, IaC tools, and modern DevOps workflows

* A proactive, independent, and product-focused mindset


Nice to Have

* Experience with carbon-aware computing, GreenOps, or FinOps

* Contributions to open-source projects

* Familiarity with GraphQL and event-driven systems


Why Join Us?

* Work on a meaningful mission with real global impact

* Build from the ground up with strong product-market fit

* Modern stack, zero legacy code

* Flat, engineer-driven team culture


Apply now!

Send us your GitHub, CV, and a short intro. We keep it simple.


Key Skills

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