interos.ai
interos.ai

Principal Engineer - Frontend

July 25, 2025
Full-time
$230,000.00/yr - $260,000.00/yr
Remote · United States
Mid-Senior level
Front-end Developer

Role: Principal Engineer - Frontend

About interos.ai: Interos is the supply chain risk intelligence company – building the most trusted and transparent supply chains in the world. Our pioneering discovery and monitoring intelligence spans the lifecycle of supply chain risk, enabling faster and more informed threat mitigation. As the world’s first, and only, automated supplier intelligence platform, we continuously map and monitor extended supply chains at speed and scale to protect organizations from regulatory fines, unethical labor, cyber-attacks, and other systemic vulnerabilities. Interos serves a variety of commercial, government, and public sector customers around the world including a host of Global Fortune 500 companies and members of the Five Eyes nations. www.interos.ai

About the role: As a Principal frontend engineer, you will be responsible to architect our Application and ensure craftsmanship in everything we build. Candidates should have experience in highly scaled software engineering, modern and current frontend best practices, and be constantly interested in learning, sharing, and supporting others. You are also passionate about using Gen AI tools in everything we build. Successful candidates for this role will have a deep understanding of front-end web technologies including TypeScript, React, Node, Next.js, and modern micro-front end architectures. You will be passionate about up-leveling UX development capabilities within the company and you will have the passion and patience to guide teams and individual engineers through that work. You will also have an interest in leveraging AI to assist in both improving developer efficiency and in building out customer experiences based on AI. This position is an individual contributor role reporting to the Vice President of Engineering.

What you will do:

  • Write high-quality code that is easy to maintain and test
  • Build TypeScript and JavaScript client code using modern web frameworks and technologies (React + Redux)
  • Work with UX and Design to standardize and simplify UI development practices
  • Build modular/reusable UI components
  • Build and maintain front-end web application infrastructure
  • Participate in the entire development life cycle, from concept to release
  • Support strategic code sharing and architecture for one or more functional area
  • Ensure design and architecture is extensible across multiple projects, and participate in technical design and code reviews
  • Work cooperatively with product management and design to create features that are scalable and secure
  • Identify, propose, and implement process improvement to continuously increase the team's productivity and efficiency
  • Stay current with the latest software engineering best practices and share your findings with the team
  • Raise issues proactively that might impact delivery commitments
  • Research new features and technologies

What you bring:

  • 15+ years of software development experience
  • 10+ years of web application development
  • Experience with modern web application technologies (TypeScript, ES6, React/Angular/VueJS, Sass/Less, Node, Next.js etc.)
  • BS or MS in Computer Science, a related field, or equivalent industry experience
  • Use of Gen AI tools to build Software

Bonus points for:

  • Experience building design systems and component libraries
  • 10+ years’ experience implementing responsive design.
  • 10+ years’ experience building SaaS web applications
  • 5+ years’ experience with web accessibility standards and practices
  • Experience aligning platform architecture with security and data
  • Experience with unit testing frameworks
  • Experience developing, promoting and building consensus across engineering teams
  • Understanding of web application design principles such as usability, performance, and security
  • Problem solving and troubleshooting skills
  • Excellent written and verbal communication skills

What We Offer:

  • Comprehensive health, dental & vision insurance
  • 401(k) with employer match
  • Flexible Time Off (FTO) + 10 paid holidays
  • Wellness perks including onsite gym + Peloton room (HQ)
  • Career growth opportunities in a fast-scaling company
  • Employee referral bonuses and recognition programs

Compensation

  • Base Salary Range: $230,000 - $260,000 USD (depending on experience and location)
  • Variable Compensation: Performance-based annual bonus
  • Equity: Stock options included as part of total compensation package

We believe in rewarding great work with competitive, transparent compensation. Final offer will be based on skills, experience, and geographic location.

Work Environment, Location and Travel:

This is a remote-first role open to candidates legally authorized to work in the United States. Employees may optionally work from our Arlington, VA HQ. This position may require up to minimal travel.

Equal Opportunity Employer

Interos.ai is proud to be an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees — regardless of race, religion, gender identity, sexual orientation, age, disability, or veteran status.

Accessibility & Accommodations

We are committed to providing reasonable accommodations for candidates throughout the hiring process. If you need assistance, please contact us at hr@interos.ai.