Senior Backend Engineer (New Business)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer (New Business) based in Netherlands. You will join a fast-moving engineering group focused on building and evolving high-impact backend systems that power both internal operations and client-facing products.

• Own the design, development, and maintenance of robust backend services primarily using Ruby on Rails.
• Build and enhance distributed systems and services involving technologies such as Kafka, GraphQL, Docker, Kubernetes, and modern cloud infrastructure.
• Collaborate with infrastructure engineers to ensure seamless integration between application code and platform-level systems.
• Write automated tests, perform code reviews, and contribute to maintaining high engineering standards across the team.
• Participate in system design discussions, helping define architecture decisions that balance performance, reliability, and long-term maintainability.
• Continuously improve engineering processes, contribute ideas, and support knowledge sharing across the team.
• Mentor peers and contribute to raising the overall technical bar of the engineering organization.

• 5+ years of professional experience in backend or web development using Ruby and Ruby on Rails.
• Strong experience with SQL databases and data modeling in production environments.
• Solid understanding of object-oriented programming principles, software architecture, and automated testing practices.
• Experience working with or exposure to distributed systems and event-driven architectures (Kafka is a plus).
• Familiarity with GraphQL and modern backend service design is highly valued.
• Strong problem-solving skills with the ability to evaluate multiple technical approaches and choose the most effective solution.
• Excellent communication skills, with the ability to articulate technical concepts clearly and collaborate across teams.
• A proactive mindset with a strong sense of ownership and accountability for delivered work.

• Competitive compensation package aligned with experience and market benchmarks
• Remote-first or flexible working arrangements
• Opportunity to work on high-scale, modern backend systems and cutting-edge technologies
• Strong engineering culture focused on learning, experimentation, and continuous improvement
• Professional development opportunities and exposure to advanced distributed systems
• Collaborative environment with experienced engineers and cross-functional teams
• High-impact work contributing directly to product and platform evolution