Principal Full Stack Engineer

Private Identity LLC; Woonsocket (RI); Remote; USD 90,000 - 150,000; Full time

Job summary

An innovative company is seeking a Principal Full-Stack Engineer to join their mission of redefining digital identity through advanced biometric authentication systems. In this role, you will develop high-performance web applications using cutting-edge technologies such as Node.js, React.js, and GraphQL. You will design scalable APIs and backend systems, ensuring security and efficiency while collaborating with UI/UX designers to create seamless user experiences. This is an exciting opportunity to make a significant impact in the realm of online security within a fast-paced, remote-first culture that values autonomy and teamwork.

Benefits

Competitive salary and equity options

Comprehensive benefits

Flexible PTO

Remote-first culture

Opportunities to work on cutting-edge technologies

Fast-paced, high-growth environment

Qualifications

• Experience in backend development with Node.js and API design.
• Strong skills in database management and performance optimization.

Responsibilities

• Develop and optimize high-performance web applications with modern frameworks.
• Design scalable APIs and implement CI/CD pipelines for efficient deployments.

Skills

Node.js

React.js

TypeScript

GraphQL

Backend Development

Performance Optimization

Database Management

DevOps Integration

Tools

Docker

GCP

AWS

MongoDB

Redis

Job description

About Us

Ever dreamed of shaping the future of digital identity? PrivateID is leading the charge in privacy-preserving biometric authentication, leveraging its patented homomorphic tokenization technology to help eliminate fraud and enhance security across industries. Trusted by global brands, our technology makes passwordless, zero-trust security a reality. As we rapidly scale our innovative solutions globally, we're searching for experienced Principal Full-Stack Engineers to architect and drive next-generation biometric authentication systems.

About The Job

• Develop and optimize modern, high-performance web applications with Node.js, React.js, TypeScript and GraphQL.
• Design scalable APIs and architect secure, serverless, or microservices-based backends using GCP and AWS.
• Enhance performance through optimization techniques, database indexing, and front-end asset management.
• Implement and maintain CI/CD pipelines to streamline deployments and improve developer productivity.
• Optimize performance with WebWorkers.
• Write secure, efficient, and reusable code, following modern development practices and participating in peer code reviews.
• Ensure system reliability by implementing logging, monitoring, and automated testing strategies.
• Improve data flows, working with RESTful APIs, GraphQL, and event-driven architectures.
• Ensure cross-browser compatibility and security best practices.
• Stay ahead of trends in full-stack development and advocate for cutting-edge technologies that enhance our stack.
• Collaborate closely with UI/UX designers to ensure pixel-perfect front-end implementation and seamless user experiences.

Requirements

• Backend Development: Architect, develop, and optimize enterprise-ready high-performance backend systems and APIs using Node.js.
• Enterprise-Grade Solutions: Design scalable systems tailored for enterprise environments, ensuring robust data integrity and security.
• Database Management: Work with SQL, NoSQL (e.g., MongoDB), and caching solutions like Redis to manage data efficiently.
• Containerization: Utilize Docker to build, deploy, and manage containerized applications across various environments.
• Performance Optimization: Implement strategies for performance tuning, including database indexing, caching, and code optimization.
• DevOps Integration: Develop and maintain CI/CD pipelines to support rapid and secure deployments.

Bonus Points

• Have experience with C++ for high performance tasks.
• Have experience with WebAssembly (WASM) for integrating C++ for high performance tasks.
• Understand blockchain, cryptography, or decentralized identity solutions.
• Knowledge of Webpack, Babel, and other build tools to optimized front-end performance.
• Have worked with Edge Computing and Content Delivery Networks (CDN) to optimize global application performance.

Perks

At PrivateID, you’ll be at the forefront of redefining digital identity. Your work will impact millions by making authentication more secure and effortless.

Here’s What You Can Expect

• Competitive salary and equity options — because your contributions matter.
• Comprehensive benefits and flexible PTO to ensure work-life balance.
• A remote-first culture with a globally distributed team that values autonomy and collaboration.
• Opportunities to work on cutting-edge technologies like biometric authentication, zero-trust architectures, and cryptographic security.
• A fast-paced, high-growth environment where you’ll tackle meaningful challenges and shape the future of online security.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

IT Services and IT Consulting