OfrecemosFounding Software Engineer2 positions
· Valencia, on-site
· Full-timeruit (re use it) gives professional second-hand sellers the software to centralize, manage and optimize their operations, selling on every marketplace from one place. We've just raised ~€1M in venture capital. We're looking for two software engineers with deep knowledge of, and a passion for, software engineering. Ship a real-time service that creates and edits high-quality images.
Design a product so good that people want to use it, and pay for it. (We'll probably rebuild our website, mobile apps and web app more times than we'd like.)Really use it. Solid engineering fundamentals, and the ability to design, build and maintain complete systems, end to end.
That you're happy to talk to customers over chat. We all do customer support and demos. A permit to work in Spain and willingness to relocate to Valencia (as a rule, we don't sponsor visas). English. Dart/Flutter/WASM on the front end, and Redis, Celery, PostgreSQL and Python/Django (heavily tuned ASGI) on the back end. You'll work at Spain's best startup accelerator, next to the beach in Valencia,



at a startup that will have a general impact, alongside an extraordinary team. The job is on-site, Monday to Friday, at Lanzadera.
A 45-minute video call to get to know you properly. No coding, nothing technical, nothing to prepare.
You pick one of the challenges above and we solve it together.
It's on us.
Ironically, we use AI for everything, and yet I've spent an hour writing this post by hand, because I believe it's the only chance I have to convince you that joining ruit could be the best decision you make: fun, challenging, and good for people. JSON validation, ORMs and SQL.
Celery and Redis). Python vs Go vs Rust). Databases and caching.
Low-level networking and protocols ( WebSockets...) DevOps: Linux, Docker and Docker Compose, deployment strategies and zero-downtime deployments.
If you work with Python, we'll also talk about the GIL, async in Django, generators, and how to make Python reliable with type hints and static analysis.

📌 Remote Software Engineer (Madrid)
🏢 Ruit
📍 Madrid