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 (La Línea de la Concepción)
🏢 Sorcer
📍 La Línea de la Concepción