Staff/Principal React/Nodejs Fullstack Engineer

About

Red Alert Labs is a security lab based in Paris, France. We provide innovative security assurance & certification services covering the Internet of Things (IoT) ecosystem.

Job Description

As we expand our product portfolio, we’re seeking a talented Staff or Principal Fullstack Engineer with solid experience in React.js and Node.js in both frontend and backend architecture and development. Join our France-based team and play a key role in building our SaaS cloud service for IoT security and product certification. This is a full-time position with flexibility for on-site, remote, or hybrid work arrangements.

In this role, you’ll be a vital member of our agile, cross-functional team, reporting to the Engineering Lead. You’ll develop responsive, user-friendly interfaces for our desktop application and create new backend services following design and technical guidelines.

Key Responsibilities

  • Design, develop, and maintain frontend applications optimized for both performance and usability across platforms

  • Design, develop, and maintain backend services and APIs to support a highly scalable platform

  • Collaborate closely with designers and developers to deliver cohesive, user-centered experiences

  • Engage with an agile, innovative team environment that values collaboration and continuous learning

Preferred Experience

  • Educational Background: Master of Science degree in Software Engineering, Computer Science, or related fields

  • Software Development Experience: Expecting at least 10 years of confirmed and provable professional experience in software development; at least 6 of which in React.js as well as in Node.js.

  • Technical Proficiency:

    • Strong skills in Node.js, JavaScript, TypeScript, REST APIs, and databases (SQL, MySQL, Postgres)
    • Experience in Frontend SPAs and PWAs type application development (React.js, HTML/CSS, responsive design)
    • Extensive experience in backend development with Node.js, building scalable, cloud-based services
    • Mastery of any Backend frameworks (Express, Nest.js), ORMs (e.g., Sequelize) as well as integrating with 3rd party cloud services such as AWS (S3, SES, SNS)
    • Experience with container application development with Docker, and Kubernetes and deploying on Heroku and AWS
    • Knowledge of agile practices, version control with Git, and testing frameworks like Jest

  • Cybersecurity Awareness: Understanding of security best practices in development

  • Ideal Candidate Profile

    • You write clean, maintainable, and well-structured code
    • You are a proactive team player who thrives in a collaborative environment
    • Fluent in English; French is a plus
    • You’re agile and proactive, providing daily updates on progress, challenges, and plans

Recruitment Process

This full-time role offers flexibility with on-site, remote, or hybrid work arrangements. Our hiring process involves the following stages to assess:

  • Competence Test: You will first undergo a technical competence test through a 3rd party online test platform

  • Technical Interview: Then, You will be invited to a first interview where You will prove your technical competence by presenting some of your past projects, show off your problem solving skills as well as coding, TypeScript, NodeJs, ReactJs and database wizardry

  • History/Background Check: We will then proceed with an internal in-depth verification of your past professional experience. Please make sure to provide contact points in your resume; Contact points to your current position is optional

  • Team Fit Interview: We will then have a second interview to test your personal motivation and goals, your team fit and collaborative style

  • Final Interview: Finally, You will have reached (literally) final boss level and this interview allows to present yourself to the CEO

If you are eager to work on impactful projects in an innovative environment with flexible work options, we’d love to hear from you!

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Additional Information

  • Contract Type: Full-Time
  • Location: Alfortville
  • Education Level: Master's Degree
  • Experience: > 10 years
  • Possible full remote
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