Senior Full-Stack Developer


Simplex, a Nuvei company, is a B2B2C fintech company leading the mainstream adoption of crypto by offering a variety of fiat/crypto on and off-ramp solutions. Our network of over 250 customers spans the entire crypto ecosystem including all the leading exchanges, wallets and information sites. 

At Simplex we think big and act fast, giving you the opportunity to grow, innovate, and be part of the rapidly evolving financial landscape. Now a Nuvei company, we are a global market leader and pioneer in the payments innovation space and value those who question the status quo.


What you’ll do:

  • Design, develop, test and deploy high traffic features, with an emphasis on efficiency, scalability and performance
  • Build testable, reusable and easily maintainable packages and components that will be used across our codebase
  • Be in charge of the team's technical domain - from design to production
  • Participate in design sessions, code reviews, and pull requests

Ideal Experience:

  • At least 4 years experience in development of complex, scalable web applications and services
  • Strong knowledge of Node.js with 2+ years professional experience (e.g Express, NestJS)
  • Broad knowledge and understanding of web applications – both at the data level and at the architecture level
  • Experience designing, implementing and maintaining RESTful APIs
  • Experience with SQL (e.g. MySQL, Postgresql) and NoSQL (e.g. Redis, MongoDB)

What will put you ahead:

  • Experience with Typescript
  • Hands-on experience with one or more front end frameworks such as Vue.js, Angular or React
  • Experience with microservices architecture, Docker, clean code & SOLID principles
  • Knowledgeable about web security, AWS, Kubernetes, CI/CD and DDD architecture
  • Experience in agile methodologies
  • Knowledge of the Blockchain world
  • BS in Computer Science or equivalent engineering experience

Personal skills:

Team player, quick learner, enthusiastic and adaptive, creative problem-solver

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