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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

Calyptus

United States

$82k - $118k

Lendr Network

Remote

$124k - $180k

OP Labs

Remote

$72k - $120k

Vanna Labs

United States

$82k - $120k

prePO

Remote

$87k - $100k

IO Global

Remote

$68k - $90k

Blockovate

Remote

$90k - $100k

Gemini

Gurgaon, India

$63k - $100k

Gemini

Remote

$108k - $135k

Gemini

Singapore, Singapore

$72k - $110k

Gemini

Gurgaon, India

$72k - $112k

Keyfactor

United States

$21k - $60k

Blockchains

Remote

$115k - $150k

Coinmarketcap

Remote

$45k - $80k

Unlimit

London, United Kingdom

$86k - $107k

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