Senior Principal Full Stack Lead Engineer

Senior Principal Full Stack Lead Engineer (Remote, EST-Based)

Employment Type: Contract-to-Hire
Pay Rate: $80/hr W2
Work Hours: Monday-Friday, 7:30 AM–4:30 PM EST

Position Overview:

We are seeking a Senior Principal Full Stack Lead Engineer to join a highly innovative technology team specializing in privacy-first biometric solutions. This is a contract-to-hire opportunity for a hands-on, senior technical leader with exceptional full-stack development skills, who is ready to drive architectural strategy, mentor remote teams, and deliver scalable, cloud-native solutions.

The ideal candidate is EST-based (or willing to work EST hours) and able to consistently attend a daily stand-up at 7:00 AM EST (moving to 8:00 AM EST after Daylight Savings).

Key Responsibilities:

• Lead full-stack development efforts from technical architecture to hands-on coding.
• Guide globally distributed teams, applying Agile methodologies and CI/CD best practices.
• Collaborate cross-functionally with business units, technical teams, and clients (internal and external).
• Develop scalable front-end solutions using React.js, TypeScript, Tailwind CSS.
• Build secure, scalable backend systems using Node.js (Express.js, NestJS, Next.js).
• Deploy cloud-native solutions on AWS or GCP, with strong Infrastructure as Code practices.
• Maintain security and compliance standards (SOC2, GDPR, CCPA, ISO 27001).
• Drive innovation leveraging emerging tech like AI/ML, Blockchain, Cryptonets, ZKP, WebAssembly (WASM).
• Promote privacy-first and secure coding practices across the development lifecycle.

Required Skills and Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or related field (required).
• 5+ years of experience leading engineering teams across SaaS/PaaS and distributed systems.
• Strong proficiency in React.js, JavaScript, HTML, and CSS.
• Advanced backend experience with Node.js (Express/Nest/Next).
• Familiarity with RESTful APIs and GraphQL.
• Expertise in AWS or GCP cloud platforms and DevOps tooling (Docker, Kubernetes, CI/CD pipelines).
• Experience with authentication standards: IAM, FIDO2, OAuth 2.0, OIDC, SAML.
• Skilled with Git-based version control and modern collaboration tools.
• Strong knowledge of secure coding practices, penetration testing, and cryptography (TLS, AES, PKI).

Nice to Have:

• Experience in homomorphic encryption, differential privacy, or biometric recognition (face, fingerprint, palm, UBA).
• Familiarity with DevSecOps principles and certifications (SOC2, PCI-DSS, FIPS 140-3).
• Machine Learning (ML) experience, especially AI/ML security applications using C++ and WebAssembly.
• Consulting background with strong client-facing communication skills.

Key Skills:

• Full Stack Development
• React.js
• Node.js
• AWS or GCP Cloud Platforms
• Machine Learning
• Blockchain
• WebAssembly (WASM)
• DevOps/CI-CD
• Cryptography/Security
• RESTful APIs/GraphQL

Job Type: Full-time

Pay: $80.00 per hour

Expected hours: 40 – 45 per week

Compensation Package:

• Hourly pay

Schedule:

• Monday to Friday

Experience:

• Senior Engineering: 5 years (Preferred)
• AWS and GCP: 5 years (Preferred)
• C++: 5 years (Preferred)
• WebAssembly: 5 years (Preferred)

Work Location: Remote