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Senior Frontend Developer

Salary Competitive

About Kisi

Kisi is a security platform with offices in Brooklyn and Stockholm and a global remote team spanning from America, Europe, Africa and Asia. We create hardware and software that helps businesses connect and control their spaces through the cloud.

A little bit more about our team:

  • We value being forward, human, trusted, and responsible. As a team, we make a tangible and lasting impact on the real world.

  • Our product (Reader Pro) is an award-winning access control solution. We are a design focused company and recently won the coveted GOOD DESIGN award as well as the prestigious iF Design Award.

  • Our customers and users come first - We are rated 4.9 in the App Store and 4.8 on Capterra.

  • Our team is unique (and a bit quirky) and diverse. We hail from 25 nationalities (& counting!) and look forward to our annual global meetup to bringing the whole team together.

  • We are building a supportive and flexible working environment by offering health & retirement benefits (location based), generous vacation time and daily challenges and growth.

About the role:

Join us as a Senior Frontend developer and enable our users to conveniently and reliably use and manage access to their spaces through our web app. For our end users, your focus will lie on building a web app that perfectly covers their need for accessing doors shared with them - fast, reliable and easy to use. For our admins, you will focus on building a web app that facilitates access management and empowers them to quickly gain insights into what is going on at their spaces, including building dashboards, auditing access trails and configuring access restrictions and integrations.


  • You are independently responsible for the entire lifecycle of the web app including engineering design, development, and deployment

  • You passionately pursue and achieve goals that are your responsibility as the web app’s technical owner, across teams and boundaries

  • You improve code structure and architecture in service of testability and maintainability, and ensure the web stack stays up to date and best practices


  • 4+ Years of experience including senior responsibilities such as helping lead a team, mentorship and team sequencing

  • Highly proficient in JavaScript (ECMAScript 2021), React, HTML/CSS (1) and related patterns

  • Highly proficient in architecting, building, testing and deploying web applications around JSON APIs (network, cache, …)

  • You’re a passionate go getter, a fair team player and always open to give and receive feedback

  • Experience with Rails is a plus – and full-stack is possible

(1) We mostly use Material UI components, but some parts are custom.

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Near public transit
Near public transit

Easy access and treehugger friendly workplace.

Social gatherings
Social gatherings

Social gatherings and games; hang out with your colleagues.

Free office snacks
Free office snacks

Peckish after lunch? We got your back with soft drinks, treats and fruit.

Free lunch
Free lunch

Enjoy a free catered lunch with your colleagues, every day.


Strengthen your body with office yoga and handstands or leave your body in good hands by our masseuse.

See all 14 benefits

Working at
Kisi Inc.

Access every thing. Kisi is one of the major disruptive players in the access control industry, bringing a fully cloud based approach to managing and monitoring physical security for offices and many more highly frequented spaces. We envision a world in which access is fully digitized, easy to manage, and not constrained by keys, cards, fobs or transponders. We offer state of the art apps that make sharing as convenient as entering an email address. We re-built door security from the ground up, and want you to share our passion for taking access control to the 21st century. We’re fun to work with, believers in mobile and IoT, and located in the US, Sweden, and some more places around the world!The product is ready for scale and it is a greenfield opportunity to disrupt a 20 year old facility driven market with an IT centered 10x better product. We have our annual Kisi Kamp with the whole team, as well as team lunches and events! Customers are typically office buildings, gyms, gated communities, and smaller municipalities with shared spaces, and our biggest markets are the US and Canada. The Kisi team works from 15 countries and represents 30 different nationalities. We boast a New York HQ, a Stockholm office, and a global remote team spanning America, Europe, Africa, and Asia. We're purpose-driven and lean on Kisi's mission, vision, and values. Our people connect over our weekly lunches, annual meetups, and inspiring team events. At Kisi, you will have the freedom to do your work in the way you work best. There’s a flat hierarchy (work alongside our co-founders Carl, Max, and Bernie!), a strong sense of ownership, and the freedom to get creative. We also try to limit meetings as much as possible, so you can have dedicated focus time. Our mission is clear: ensure ease of facility access and remote space management, providing access systems to create a secure future where spaces are connected and accessible without boundaries.

Read more about Kisi Inc.

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