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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

Arrakis

Remote

Ava Labs

New York, NY, United States

$118k - $148k

Aptos

Palo Alto, CA, United States

$135k - $200k

Offchain Labs

Remote

$98k - $100k

LayerZero Labs

Vancouver, Canada

$76k - $80k

Figure Markets

New York, NY, United States

$80k - $100k

Logarithm Labs

Remote

DFINITY

Switzerland

$90k - $180k

Alchemy

Remote

$135k - $350k

Kava Labs Inc

United States

$68k - $90k

Ramp

London, United Kingdom

$112k - $160k

Gelato

Remote

Ramp

Warsaw, Poland

$72k - $110k

Ether.Fi

Denver, CO, United States

$76k - $166k

Connext

Lisbon, Portugal

$63k - $75k

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