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Principal React Engineer Jobs (NOW HIRING)

ICONSTAFF

Principal Software Engineer

Boston, MA · On-site +1

$145K - $175K/yr

Principal Software Engineer Help expand access to high-quality behavioral health care for students ... React Native or mobile development * Startup or high-growth experience Who You Are Curious ...

Reliable Medical

AI Principal Engineer

Franklin, TN · On-site

$140K - $160K/yr

AI Principal Engineer Reliable Medical Supply (ReliaMed) Reports to: CIO | Team: Development Team ... Design and build front-end features in React and backend services/APIs in C# / ASP.NET Core ...

Posted today

NxT Level

Principal Engineer

San Francisco, CA · On-site

$320K - $470K/yr

Principal Software Engineer Location: San Francisco, CA Work Style: Hybrid Employment Type ... React * Ruby and Ruby on Rails * Python * MongoDB * Elasticsearch * Kubernetes * Docker * Terraform

New

NxT Level

Principal Engineer

San Francisco, CA · On-site

$315K - $472K/yr

Principal Software Engineer Location: San Francisco, CA Work Style: Hybrid Employment Type ... React * Ruby and Ruby on Rails * Python * MongoDB * Elasticsearch * Kubernetes * Docker * Terraform

New

NxT Level

Principal Engineer

San Francisco, CA

$315K - $472K/yr

Principal Software Engineer Location: San Francisco, CA Work Style: Hybrid Employment Type ... React * Ruby and Ruby on Rails * Python * MongoDB * Elasticsearch * Kubernetes * Docker * Terraform

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How much do principal react engineer jobs pay per year?

As of Sep 11, 2026, the average yearly pay for principal react engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

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Infographic showing various Principal React Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $147,220 per year, or $70.8 per hour.

Principal Software Engineer

Boston, MA • On-site, Remote

ICONSTAFF
Recruiting and Staffing Services • 1 - 10 employees
Learn more about ICONSTAFFexternal

$145K - $175K/yr

Full-time

Re-posted 21 days ago

Job description

Principal Software Engineer


Help expand access to high-quality behavioral health care for students and families. Our engineering team builds technology that drives clinical excellence and operational efficiency.

We’re seeking a Senior Software Engineer to design and build scalable systems that support real-world mental health care delivery. This is an individual contributor role with strong cross-functional collaboration.


What You’ll Do

  • Design, build, and maintain scalable, secure systems across front-end, back-end, and data layers
  • Develop infrastructure-as-code (CDK) to improve reliability and security
  • Partner with Product and Engineering to deliver features and technical solutions
  • Monitor, debug, and optimize system performance


Systems & Integrations

  • Build data pipelines and integrations (EHRs, student systems, internal tools)
  • Improve workflow automation and operational efficiency
  • Ensure HIPAA-compliant architecture and data protections


Collaboration & Leadership

  • Work closely with Product and Engineering leadership
  • Translate requirements into scalable solutions
  • Mentor junior engineers


Success Metrics

  • Delivery of high-quality features
  • System reliability, security, and data integrity
  • Efficiency gains from automation
  • Successful system integrations
  • Internal stakeholder satisfaction


Qualifications (Required)

  • 7+ years building data-intensive platforms
  • Strong system architecture, cloud, and API experience
  • Proficiency in JavaScript (TypeScript), SQL, React, Next.js
  • Experience with AWS (ECS, Lambda, CloudFormation, Cognito), MongoDB/DocumentDB
  • Familiarity with testing frameworks (e.g., Jest)
  • Strong communication skills


Preferred

  • Healthcare/HIPAA experience
  • EdTech or school systems experience
  • React Native or mobile development
  • Startup or high-growth experience


Who You Are

Curious, proactive, and collaborative. You take ownership, navigate complexity, and build reliable systems that matter.


Why Join

  • Mission-driven impact on student mental health
  • Collaborative engineering culture
  • Opportunity to shape core systems
  • Flexible remote/hybrid work