Senior Backend 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.

The world of payment processing is rapidly evolving, and businesses are looking for loyal and strategic partners, to help them grow.

We are looking for a Senior Backend Developer to join our fast-growing R&D team. Reporting to our Full Stack Team Leader.


  • 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.


  • At least 4 years of experience in the development of complex, scalable web applications and services
  • 2+ years of professional experience in Node.js (e.g Express, NestJS)
  • Experience with SQL (e.g. MySQL, Postgresql) and NoSQL (e.g. Redis, MongoDB)
  • Experience designing, implementing, and maintaining RESTful APIs
  • Broad knowledge and understanding of web applications – both at the data level and at the architecture level
  • Experience with Typescript - advantage
  • Hands-on experience with one or more front-end frameworks such as Vue.js, Angular, or React- advantage
  • Experience with microservices architecture, Docker, clean code & SOLID principles - advantage.

Nuvei is an equal opportunity employer that celebrates collaboration and innovation and is committed to developing a diverse and inclusive workplace. The team at Nuvei is comprised of a wealth of talent, skill, and ambition. We believe that employees are happiest when they’re empowered to be their true, authentic selves. So, please come as you are. We can’t wait to meet you.


  • Long Term Incentive Plan that creates an opportunity for all employees to financially benefit from Nuvei’s growth
  • 2.5 additional days of annual leave a quarter, if the company hit quarterly targets
  • Private Medical Insurance
  • Office and home hybrid working
  • Global bonus plan
  • Volunteering programs
  • Prime location office close to Tel Aviv train station.

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