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Browse 65,869 blockchain jobs in web3 at 7,326 projects. Filter the best remote crypto jobs by salary, location, and skills.

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Job Position Company Posted Location Salary Tags

Logos

Remote

$84k - $150k

Shakepay

Montreal, Canada

$180k - $240k

Shakepay

Remote

$106k - $110k

Polymarket

New York, NY, United States

$75k - $106k

Polymarket

New York, NY, United States

$103k - $109k

Immunefi

Remote

Taxbit

Remote

$103k - $109k

Taxbit

Remote

$75k - $84k

Bitgo

Remote

$165k - $210k

Omnifdn

Remote

$68k - $90k

Hyphenconnect

Remote

$36k - $65k

Fireblocks

Remote

$150k - $190k

Hyphenconnect

Remote

$68k - $90k

Anchorage Digital

Portugal

$129k - $156k

Shift4

Remote

$63k - $110k

Overview
We’re seeking a Senior .NET Developer to evolve our .NET 8 backend. You’ll work on performance, scalability, MongoDB integrations, and background processing while driving architectural improvements.

Why Join Us
- Build a high-impact Web3 platform with global reach
- Shape architecture and reduce technical debt
- Remote-first team with flexible work culture
- Exposure to cutting-edge .NET and Web3 technologies

Candidate requirements

  • 5+ years of .NET experience (C# 8+, ASP.NET Core, REST APIs)
  • Strong experience with the MongoDB .NET Driver (LINQ, transactions, aggregation pipelines)
  • Familiarity with Azure services (Functions, App Services, Service Bus, Storage)
  • Understanding of async/await, performance optimization, and secure API design

Job responsibilities

  • Enhance and maintain our .NET 8 backend with modern C# practices
  • Work extensively with the MongoDB .NET Driver (indexes, aggregations, performance tuning)
  • Refactor and simplify complex business logic into clean, testable components
  • Develop Azure WebJobs & Functions for background tasks and automation
  • Integrate external APIs (ATS, payment, social, and Web3 services)
  • Contribute to gamification, referral, and blockchain features