Yabot Jobs
Motion Recruitment logo
Log in to apply

Motion Recruitment

Senior Open Source Developer - TypeScript/Node/Angular/React/.NET

Boston, MA, United States

Job at a glance

Pay
$140,000 – $180,000
Workplace
On-site
Employment
Full-time
Sector
Engineering & Technology
Posted
Nov 5, 2026
First found
Nov 5, 2026, 4:10 PM ET

What's your fit?

Score your resume against this job to see your fit, the gaps and the risks.

About the job

Job Description

We are seeking a Senior Open Source Software Engineer to join a growing engineering organization focused on building and maintaining widely adopted open source software. This role will contribute to the development of highly scalable platforms, developer tools, and cloud-native applications used by customers and community members around the world.

The ideal candidate will bring strong experience with .NET, C#, Angular, React, and TypeScript, along with a passion for open source development and community-driven innovation. You will help design and deliver new features, APIs, and modern platform capabilities while working closely with product, engineering, and open source contributors to improve the overall developer experience.

Required Skills & Experience

  • 5+ years of .NET and C# development experience
  • Professional experience with Angular and/or React
  • Strong TypeScript and JavaScript development skills
  • Experience building and integrating REST APIs
  • Strong SQL and database development experience
  • Experience working with Entity Framework
  • Experience delivering software within Agile environments

Desired Skills & Experience

  • Experience with .NET Core and .NET 8
  • Azure, AWS, or cloud-native application experience
  • Microservices architecture experience
  • CI/CD pipeline implementation experience
  • Docker and containerization knowledge
  • Automated testing and quality engineering practices
  • Previous open source project contributions
  • Experience mentoring junior engineers

What You Will Be Doing

Daily Responsibilities

  • Design, develop, and maintain applications using .NET and C#
  • Build modern user interfaces using Angular or React
  • Develop and maintain REST APIs and integrations
  • Contribute to open source repositories and roadmap initiatives
  • Review pull requests and participate in code reviews
  • Troubleshoot and resolve complex technical issues
  • Write clean, scalable, and maintainable code
  • Support deployments, releases, and platform enhancements
  • Participate in architecture and technical design discussions
  • Mentor junior team members and promote engineering best practices

The Offer

  • Bonus OR Commission eligible

You will receive the following benefits

  • Medical Insurance
  • Dental Benefits
  • Vision Benefits
  • Paid Time Off (PTO)
  • 401(k) {including match – if applicable}

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.