Full Stack Engineer

Swell Network

Swell Network

Software Engineering

Remote

Posted on May 5, 2026
Description

At Zengo, we are building the future of secure, keyless crypto solutions. We are launching a new B2B product, and we’re looking for a Full Stack Engineer to play a key role in its development.

In this position, you will take ownership of designing, building, and optimizing core features of our new product. You will work closely with our back-end and cryptography teams to integrate advanced security technologies and ensure a seamless experience for our business clients.


Requirements
  • BSc in Computer Science, or similar
  • At least 5 years of development experience
  • At least 3 years of experience developing Node.js applications (preferably TypeScript)
  • At least 3 years of experience in React / React Native
  • Background in cloud architecture and services, preferably AWS
  • Experience with serverless and microservices architectures
  • Experience with building REST APIs
  • Experience in developing large-scale B2B applications; experience with B2C applications is a significant advantage.
  • Good working knowledge of large systems and complex architectures
  • Team player

Preferred Qualifications:

  • Highly desired: Experience with blockchain development
  • Experience with software security and cryptography (e.g. elliptic curves, SSL, OAuth)
  • A detail-oriented approach to writing tests and quality assurance

Bonus:

  • Experience working with blockchain libraries
  • Participation in open-source projects
  • Experience building mobile apps

Apply Now: