Senior Full Stack Developer (Contractor)

Kisi is a physical security tech company revolutionizing access control. We are seeking a Senior Full Stack Developer to design and develop web applications, mentor junior developers, and collaborate with cross-functional teams. This is a contractor position.

• Coordinate with product and engineering managers to align development with business goals.
• Architect, design, and implement efficient, scalable, and responsive web applications using modern frameworks and technologies across teams (e.g. design, platform).
• Monitor relevant metrics and identify areas for improvement, e.g. according to web performance best practices.
• Address bugs and performance issues through automated unit, integration, and end-to-end testing.
• Address vulnerabilities, apply updates, and maintain security documentation proactively.
• Mentor junior developers, interns, conduct code reviews, and offer guidance on complex tasks.

• At least 5+ years of experience
• Strong proficiency in Ruby/TypeScript and experience with modern frontend development tools
• Experience with relational database systems
• Outstanding communication skills, with the ability to articulate technical concepts to both technical and non-technical stakeholders.
• Excellent organizational and project management abilities, ensuring efficient task prioritization and timely delivery.
• Commitment to continuous learning and staying current with emerging trends and best practices.