Razor Sparrow Careers

Razor Sparrow LLC is a custom productivity service development company that helps teachers, schools, and districts solve their educational technology needs. As a bootstrapped company, we've embraced the journey of continuous learning and adaptation, developing solutions that address real-world educational challenges.

Open Opportunities

Senior Full Stack Developer

Role Description

As a Senior Full-Stack Engineer, your role is to spearhead the optimization of our existing backend architecture, ensuring our services are scalable and efficient. You'll leverage your expertise in JavaScript, Node.js, Firebase, and database management to create robust solutions. Your work will involve both enhancing our current offerings and developing new features, all while maintaining a focus on scalability and maintainability.

Key Responsibilities

  • Ensure synchronicity between front-end and back-end systems using APIs, integration setups, and custom code.

  • Evaluate backend architecture and analyze code to make strategic decisions on whether to refactor or rebuild parts of the backend.

  • Develop scalable and maintainable solutions using JavaScript, Node.js, and Firebase.

  • Contribute to feature development in chrome extension application environment.

  • Spearhead initiative to automate tests.

  • Collaborate with the team to understand requirements and deliver innovative solutions.


  • Proven 4+ years experience as a Full-Stack Engineer, with a solid foundation in JavaScript, Node.js, and Firebase.

  • Comfortable in creating compelling UI with Vanilla JavaScript, HTML, and CSS.

  • Familiarity with Chrome Extension development OR desire to learn.

  • Strong understanding of software architecture and design principles, with a focus on creating maintainable and scalable systems.

  • Ability to work independently, prioritize tasks, and meet deadlines in a fast-paced startup environment.

  • Experience with Google Cloud Firestore, noSQL databases (additional SQL knowledge preferred)

  • Bonus: Experience in the EdTech sector or a passion for education technology.

Other Requirements

  • Must reside in Puerto Rico

  • English fluency, both spoken and written

How to Apply

Use the button below. Questions or issues, email careers@razorsparrow.com

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Helping teachers get their time back everywhere.