We are working with a product‑led company looking to hire a

Senior Rails Developer

to play a key role in scaling and evolving their backend systems. This is a hands‑on role with real ownership and impact across engineering and product. The Role

As a Senior Ruby on Rails Developer, you’ll be instrumental in building and maintaining core systems that support a high‑scale, always‑on platform. You’ll be responsible for

Developing and maintaining backend systems and internal tools Translating business goals into scalable technical solutions Monitoring, troubleshooting, and improving live systems (24/7 environment) Building and enhancing CI/CD pipelines for smoother deployments Driving improvements in architecture, performance, and scalability Integrating and maintaining third‑party APIs What We’re Looking For

10+ years of commercial experience with

Ruby on Rails Experience working on

high‑scale, production systems Strong understanding of





software design principles & best practices Proven ability to think strategically and align tech with business goals Ownership mindset with a proactive, problem‑solving approach Experience working with

large datasets

and third‑party integrations Nice to Have

Experience with

Redis, PostgreSQL, Sidekiq, Hotwire Knowledge of

mobile ad monetisation ecosystems Strong background in

unit & integration testing Why Join

Work on a

high‑impact, scalable product Join a team that values

ownership and engineering excellence Opportunity to influence

architecture and technical direction Fast‑paced environment with real product visibility Up to €80k basic (this can be B2B in Europe) High flexibility, full‑remote in Europe High degree of ownership and autonomy Being part of a small team of highly motivated and talented professionals Please apply with an updated CV with contact details to be considered.

📌 Senior Ruby on Rails Engineer (Madrid)
🏢 Sorcer
📍 Madrid