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Senior .NET Engineer / Node.js / FinTech Start-Up

Motion Recruitment Partners, LLC
Phoenix, AZ Full Time
POSTED ON 4/28/2026
AVAILABLE BEFORE 5/29/2026
A rapidly growing Series A FinTech start-up in Phoenix, AZ is hiring a Senior .NET Engineer for a full-time position.

In this role, you will lead the migration of their automated trading application from Node.js to .NET, creating a more scalable and robust solution. The ideal candidate has 5 years of experience building greenfield applications at start-ups with strong skills in C#, .NET, Node.js, and SQL.

The company offers a flexible schedule to work four 10-hour days each week with Fridays off and work two days onsite per week.

Required Skills & Experience:
  • Bachelor's in computer science or a related field
  • 5 years of professional software engineering experience
  • C#
  • .NET Core
  • Node.js
  • SQL
  • REST APIs
Plusses:
  • Hands-on experience with AWS or Azure
  • Experience building greenfield applications at start-ups
Benefits:
  • Competitive base salary
  • Medical, dental, and vision coverage
  • 401k match
  • PTO
  • 3 step interview process
Applicants must be currently authorized to work in the US on a full-time W2 basis now and in the future.
#LI-AN4

Salary : $130,000 - $150,000

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