Senior Full Stack Developer (Contractor)

Das ist der Job

Please note that this is a contractor position

Darum lohnt es sich

About the role We are seeking a highly motivated Senior Full Stack Developer to join our dynamic team and help expand our innovative product portfolio. The ideal candidate will possess a robust background in full-stack web development, proficiency in modern frameworks and best practices, and a passion for creating cutting-edge user experiences.

In this role, you will design, develop, and optimize sophisticated web applications, mentor junior developers, and collaborate with cross-functional teams to ensure the highest standards of performance, reliability, and security.

What you'll do • 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.

Qualifications • 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.

Application process • Application: Submit your application through our online form and include a link to your LinkedIn profile. • CV Screening: Our recruiting team will review your resume to assess your background, skills, and fit for the role. • Technical test task: You’ll receive a short, take-home technical assignment designed to simulate the kinds of problems you’ll tackle on the job. • Technical and behavioral interview: Meet one-on-one (via video call) with your hiring manager to walk through your test task, discuss your approach, and dive deeper into your technical experience. • Culture interview: Have a conversation with cross-functional team members to learn more about our values, work style, and company culture—and for us to learn more about what motivates you. • Offer: If it’s a mutual fit, we’ll extend a formal offer and welcome you to the Kisi team.

Our mission is to seamlessly connect people and spaces through an open platform that includes cloud-based video intercoms, wireless locks, and third-party access control systems.