Application Engineer II

The role

You will build and evolve internal developer tooling, the Mollie Developer Portal, software catalogs, and self-service workflows. You will work with Golang, TypeScript, and React to create automations and developer-facing AI tooling.

What you will do

• Build features on the TypeScript and React frontend of the Mollie Developer Portal
• Write Golang automations that interface with platform systems
• Write Architectural Decision Records (ADRs) for emerging developer tools
• Build golden paths together with platform teams
• Develop developer-facing AI tooling including Greptile and AI evaluation harnesses
• Incubate new libraries and tooling to hand over to platform teams
• Run exploratory R&D
• Set golden paths and engineering standards

Required qualifications

• Demonstrated experience building backend automations or services in Golang
• Solid proficiency in Golang
• Practical web development skills in TypeScript and React
• Strong automation mindset
• Foundational working knowledge of CI/CD pipelines, Kubernetes, Docker and Terraform
• High level understanding of systems design
• Experience authoring ADRs
• Comfort with ambiguity and flexible roadmaps
• Ability to work with diverse cross-functional stakeholders

Benefits

• Regular feedback and performance reviews
• Fair and transparent salary reviews
• Opportunities to move into new roles or projects
• Active internal hiring

About the company

Mollie makes payments and money management effortless for businesses in Europe. More than 250,000 companies use Mollie to get paid, manage money and grow.