Principal Open Source Software Engineer

Motion Recruitment Partners, LLC

Boston, MA, United States of America • 14m ago • On-site

Senior

On-site

190 - 210 USD/yr

  1. Select offer
  2. Add resume
  3. Analyze
  4. Improve
  5. Apply
  6. Auto-send · soon

Match your resume with similar open roles

Upload your resume to automatically match with active openings similar to this role.

PDF up to 10 MB

Your resume is private & secure

Resume Checker & Builder preview

Potential salary for Principal Open Source Software Engineer role

Improve your resume now

$190 – $210/year

Quick Facts

  • Role: Principal Open Source Software Engineer

  • Focus: Strategic technical leadership across open source products and platforms

  • Tech stack: .NET/C#, Angular/React, TypeScript/JavaScript, REST APIs

Description

Provide strategic technical leadership across a growing portfolio of open source products and platforms, combining hands-on engineering with high-level architectural ownership. Drive engineering excellence, technology direction, and long-term platform strategy across multiple initiatives—collaborating with internal stakeholders and the open source community to deliver scalable, secure, and highly available software.

Responsibilities

  • Drive hands-on development efforts across open source products and platforms

  • Design and implement scalable solutions using .NET and C#

  • Provide technical direction for front-end development using Angular or React

  • Define and oversee API strategy, development, and integration initiatives

  • Lead architecture reviews and guide critical technical decision-making

  • Establish, evolve, and champion engineering best practices across teams

  • Support cloud-native application development and modernization initiatives

  • Evaluate community contributions and technical proposals

  • Mentor senior engineers and provide cross-team technical leadership

  • Partner with product and engineering leadership to shape technology roadmaps and long-term platform strategy

Requirements

  • 10+ years of software engineering experience with .NET and C#

  • Strong experience with Angular and/or React

  • Advanced TypeScript and JavaScript expertise

  • Extensive REST API development experience

  • Strong database design and SQL development skills

  • Experience working with Entity Framework

  • Proven experience driving technical strategy and leading complex engineering initiatives within Agile environments

Benefits

Unlock Full Resume Report