Web3 is a new paradigm

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

Polygon Labs

New York, NY, United States

$87k - $87k

Stellar

San Francisco, CA, United States

$130k - $175k

Stellar

New York, NY, United States

$195k - $245k

Stellar

San Francisco, CA, United States

$150k - $200k

Stellar

San Francisco, CA, United States

$170k - $220k

Nexus

San Francisco, CA, United States

$84k - $156k

LI.FI

Remote

$122k - $150k

Kiln

New York, NY, United States

$84k - $90k

Ellipsis Labs

New York, NY, United States

$105k - $120k

Okx

San Jose, CA, United States

$281k - $423k

Cryptio

Paris, France

$90k - $100k

Cryptio

Paris, France

$87k - $106k

Cryptio

Paris, France

$90k - $100k

Nethermind

Remote

$90k - $110k

Nethermind

Remote

$112k - $156k

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