Software Engineer - Fullstack
Onramper is a fiat-to-crypto onramp aggregator that enables businesses to integrate multiple payment gateways through a single API.
Maintainer signals as of 8/10/2026
Projects
About Onramper
Onramper is a fiat-to-crypto onramp aggregator that gives Web3 businesses a single API to integrate multiple payment providers, jurisdictions, and KYC flows. Customers route end users to the optimal provider based on geography, payment method, and conversion probability, offering global coverage without integrating each onramp individually. The platform also provides offramp, swap, and analytics products under the same integration layer.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You'll design and build robust, scalable backend services and APIs using Node.js and TypeScript. You'll develop and maintain React-based frontend interfaces that are performant and maintainable. You'll collaborate closely with product and design to shape features from discovery to delivery, and take ownership of work end-to-end — scoping, building, shipping, and monitoring. You'll contribute to CI/CD pipelines and cloud infrastructure, write secure, well-tested production-ready code, participate in code reviews and architectural discussions, and help maintain reliability and observability of production systems — responding to incidents when they occur.
Requirements
- Production-proven experience with Node.js and TypeScript
- Solid React.js experience building and maintaining frontend applications
- Hands-on experience with cloud infrastructure (AWS, GCP, or Azure) in production
- Working understanding of CI/CD pipelines and modern deployment practices
- Security-conscious approach to development
- Genuine sense of ownership and ability to work closely with product teams
- AWS experience (preferred)
- Terraform experience (preferred)
- Kubernetes experience (preferred)
- Experience in fintech, payments, transactions, or regulated financial systems (preferred)
- Based in or willing to relocate to Amsterdam, Netherlands (preferred)
Responsibilities
- Design and build robust, scalable backend services and APIs using Node.js and TypeScript
- Develop and maintain React-based frontend interfaces
- Collaborate with product and design to shape features from discovery through delivery
- Own work end-to-end: scope, build, ship, and monitor features
- Contribute to CI/CD pipelines, deployment processes, and cloud infrastructure
- Write secure, well-tested, production-ready code
- Participate in code reviews and architectural discussions
- Maintain reliability and observability of production systems and respond to incidents
