Web3 is a new paradigm

Browse 65,871 blockchain jobs in web3 at 7,327 projects. Filter the best remote crypto jobs by salary, location, and skills.

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Job Position Company Posted Location Salary Tags

The Brixton Group

Boston, MA, United States

$81k - $107k

SupportYourApp

Remote

$63k - $100k

Crypto Finance AG

Zurich, Switzerland

$45k - $60k

OpenZeppelin

Remote

$105k - $180k

Bitso

Brazil

$72k - $110k

Bitso

Latin America

$84k - $110k

Metis.io

Remote

$10k

10xvaluepartnersgmbh

Dubai, United Arab Emirates

$90k - $101k

Tether

Remote

columbiauniversity1

New York, NY, United States

$105k - $144k

CertiK

Remote

$72k - $150k

Token Metrics

Austin, TX, United States

$90k - $105k

Serotonin

New York, NY, United States

$110k - $125k

Serotonin

New York, NY, United States

$75k - $110k

Serotonin

New York, NY, United States

$85k - $130k

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