Technical Support Engineer

groupCustomer Support

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. 

The Technical Support Engineer is responsible for managing and carrying out the technical onboarding phase of our customer lifecycle.  This is a critical stage in our relationship with our customers and needs to be handled with great responsibility, speed and professionalism.  It is a great opportunity for a person with a technical background, who would like to work more closely with customers in a fast-paced and challenging environment.


  • Guiding simplex customers towards successful integration of Simplex’s products as a client-facing resource as their tech owner
  • Support customers throughout the technical integration process including identifying bugs, recommending fixes and suggesting improvements to their implementation. 
  • You will be responsible for continued building and maintenance of all integration tools.
  • Serve as a key resource to our product and development teams. As an expert on the ins and outs of the product, close collaboration with R&D and involvement in product decision-making process


  • 1-2 years experience in technical support/integration specialist or similar hands-on roles
  • Experience working with REST APIs
  • Advanced knowledge of web technologies such as HTML/CSS/Javascript/SQL
  • Excellent troubleshooting, problem-solving and analytical skills
  • Strong communication and interpersonal skills 
  • English- full proficiency


  • Previous coding experience, server and client side, (node.js, python etc)
  • Experience with fintech, specifically online payment methods and crypto

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