Senior Ruby Developer (Ruby & Go)

Triwill Group; Netherlands; On-site; EUR 90,000 - 130,000; Full time

Job summary

Triwill Group is seeking a Senior Ruby Developer (Ruby & Go) based in the Netherlands to lead backend engineering for a global fintech payments platform.

You will own secure, reliable payment flows, integrate with payment service providers, and drive scalable architectures in a high-performing international team.

Qualifications

• Senior backend engineer with deep Ruby on Rails experience.
• Proficiency in Go for high-throughput services.
• Experience building secure, scalable payment infrastructure and financial data protection.

Responsibilities

• Develop and scale backend services powering payment portals and provider integrations.
• Design end-to-end deposit and withdrawal flows with robust transaction processing and reconciliation.
• Mentor engineers and contribute to technical direction in a global fintech environment.

Skills

Ruby

Go

Backend development

Payment systems

Job description

Description:

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Ruby Developer (Ruby & Go) based in Netherlands.

This is a senior backend engineering opportunity focused on building and scaling secure, reliable payment infrastructure for a global fintech environment. You will take ownership of the backend powering payment portals and integrations with payment service providers. The role combines Ruby on Rails expertise with Go development for high-throughput and latency-sensitive services. You will design end-to-end deposit and withdrawal flows while ensuring robust transaction processing, reconciliation, and failure handling. Security and reliability are central, with a strong focus on financial data protection and compliance. You will also contribute to technical direction, mentor engineers, and help evolve a high-performing international engineering environment.