Senior Backend Software Engineer (Ruby on Rails)

Sortlist
19 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English, French, Polish
Experience level
Senior

Job location

Tech stack

API
Amazon Web Services (AWS)
Cloud Computing
Databases
Continuous Integration
Database Design
Software Debugging
Distributed Systems
Github
PostgreSQL
Ruby on Rails
Next.js
Web Applications
Datadog
Data Logging
React
Backend
Event Driven Architecture
Kubernetes
Sentry
Google BigQuery
Front End Software Development
Terraform
Web Architecture
Docker

Job description

  • Coach and empower medior engineers through pairing, feedback, and leadership.
  • Collaborate closely with your Product Manager, Product Designer to shape bets from concept to delivery.
  • Foster a culture of ownership, curiosity, and psychological safety., We operate a modern stack built for developer happiness, scalability, and simplicity:
  • Backend: Ruby on Rails 7 (API-only)
  • Frontend: React / Next.js
  • Databases: PostgreSQL, Google BigQuery
  • Infrastructure: Kubernetes, AWS, Terraform, Docker
  • Observability: DataDog, Sentry, structured logs
  • CI/CD: GitHub Actions

You'll have space to influence and evolve this stack - we value engineers who care deeply about developer productivity and maintainable architecture., * Autonomy: Engineers at Sortlist are trusted to make real technical decisions.

  • Learning budget: €2000/year for courses, conferences, and growth.
  • Competitive benefits: Meal vouchers, mobility budget or company car, health insurance, progressive holidays, and net allowances.
  • Real work-life balance: No weekend pings, no on-call grind. Rest is valued.
  • Team culture: Tight-knit, humble, and supportive. We celebrate learning and ownership over hierarchy.

Why Join Sortlist

You'll be joining a company that believes great products come from small, empowered teams. We value clarity over control, impact over activity, and learning over perfection.

If you're passionate about building elegant, scalable systems that make a difference - and you want to work where engineering excellence meets real product impact - we'd love to meet you.

Requirements

Do you have experience in Terraform?, * 5+ years of experience building web applications (ideally with Ruby on Rails).

  • Solid understanding of web architecture, scalability, and database design.
  • Experience operating apps in production - logging, monitoring, debugging, optimizing.
  • A strong ownership mindset - you care about maintainable, observable, and resilient systems.
  • Collaborative spirit and comfort working in cross-functional teams.
  • Balance between pragmatism and perfectionism - knowing when to polish and when to ship.
  • Fluent in English and French (our working languages).

Bonus points for:

Mentoring experience or technical leadership.

  • Cloud infrastructure (AWS) and IaC tools (Terraform).

Experience with distributed systems or event-driven architecture.

About the company

At Sortlist, we connect businesses with the right marketing and creative agencies. Our mission is to help teams make better decisions, faster - by combining technology, data, and human expertise. We're a fast-moving, product-led company with a strong engineering culture built around autonomy, technical excellence, and impact.

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