Citizen · 1 day ago
Senior Fullstack Engineer
Citizen is the #1 public safety app in the US, used by over 15 million people to stay safe in real time. The Senior Fullstack Engineer will design and build scalable systems while collaborating with a multidisciplinary team to deliver a consistent real-time experience for users.
AppsInternetNewsPublic Safety
Responsibilities
Thrive in an environment where adaptability, speed, and impact are at the core of everything we build
Design and build systems for scale, modularity, and flexibility – without compromising on high availability, low latency, and scalability
Take operational responsibility for the services you build. A strong owner's mindset is essential
Collaborate closely with a multidisciplinary team of product managers, designers, and engineers to deliver a consistent real-time experience for our users
Maintain rigor in code quality, best practices, and code reviews, while balancing product tradeoffs
Balance development across multiple codebases and systems, working with roughly a 60/40 split between frontend and backend development
Qualification
Required
Proven experience building performant and delightful web applications
Experience working with Javascript and a modern web framework (React, Vue, Ember, Angular, etc)
Some experience with backend API development (Node or Go experience ideal)
A track record of demonstrable ownership and technical leadership
5+ years of engineering experience, focusing primarily on full stack development
Bachelor's Degree in Computer Science or related field, or equivalent practical experience
Benefits
At least one fully employer-sponsored medical plan option
Dental and vision coverage, with a small employee contribution
Unlimited PTO
Up to 14 weeks paid parental leave (for all parents)
Monthly tech stipend
Free mental health support
Hybrid work environment + catered lunches (NYC HQ)
Company
Citizen
Citizen is a mobile application that notifies its users with safety alerts and real-time incident updates.
H1B Sponsorship
Citizen has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (1)
2022 (4)
2021 (4)
2020 (6)
Funding
Current Stage
Growth StageTotal Funding
$133MKey Investors
GreycroftGoodwater Capital8VC
2021-01-05Series C· $50M
2020-06-04Series Unknown
2020-03-09Convertible Note· $23M
Leadership Team
Recent News
2026-01-08
2026-01-07
2025-12-09
Company data provided by crunchbase