Senior Software Engineer (Full-stack)

Sorry, this job was removed at 12:16 a.m. (CST) on Wednesday, May 28, 2025
New York, NY
In-Office
150K-200K Annually
Social Impact • Software
Kaizen Labs is redefining government technology across parks & recreation, permitting, citizen engagement, and more.
The Role
Who Are We?

Have you struggled to reserve that coveted summer camping spot at a state park? Have you wondered why you’re stuck filling out a paper form to renew a permit? What about not being able to reserve your favorite pickleball court from your phone?

Kaizen Labs is redefining government technology and building solutions across parks & recreation, permitting, citizen engagement, and more. We recognize that incumbent software systems are inefficient and sometimes broken. That’s why we believe residents and public servants across America’s 85,000 government agencies deserve access to modern, trusted software that rivals what we use in our daily lives.

Kaizen’s software currently serves ~1.5 million residents across the country and this number will increase to 7 million in the first half of 2025. Some of our partners include the City of Santa Clarita, MetroParks of Butler County, and the Town of Weymouth. Here is a quick video capturing the essence of our work with Pima County, AZ!

Founded in 2022 and based in New York City, we’re backed by Accel and Andreessen Horowitz. Our team of 25 (and growing) is eager to leave a lasting impact on the public services that are so critical to our health, safety, and wellness.

The Role

We are looking for a talented and passionate Senior Full-stack Engineer to join Kaizen Labs. You will be responsible for leading and building initiatives to empower municipalities with beautiful, powerful digital experiences. These interfaces are web applications that allow users to generate permits, make public reservations, participate in community events, take public transit, and so much more.

Location

This is a hybrid role. You will be expected to join our team in person in New York City for three days a week.

Technical Challenges Unique to Kaizen…
  • Managing deployments as we scale our customers, ensuring our systems can handle increasing user loads and feature complexity.

  • Solving technical challenges around integrating with external hardware such as QR code scanners, Apple Wallet, and cash registers, ensuring seamless interactions.

  • Developing accessible and inclusive solutions for diverse user groups, including multilingual support.

  • Creating software that aligns with our mission to improve communities and empower users, with a focus on making a real-world impact.

  • Scaling and deploying the platform for thousands of local municipalities while building reusable, customizable components to meet unique needs.

  • Ensuring a beautiful, intuitive, and high-performance product experience for all users, balancing features with usability.

What You’ll Do...
  • Own, build, and ship new features end-to-end across all levels of the stack.

  • Take shared ownership of the product process, and collaborate with product and design teams to craft great user experiences.

  • Write high-quality testable code that's functional and long-term maintainable.

  • Contribute to high-level architectural decisions, and help to design scalable and efficient systems.

  • Work and interact directly with customers to help find the best short and long-term solutions for their needs.

What You’ll Bring...
  • 6+ years of professional software development experience.

  • Experience in leading or owning large-scale, data-intensive projects.

  • Proficiency in modern technologies such as Typescript/Javascript/React/Node.js.

  • Strong CS fundamentals and experience with web technologies (HTML/JS/CSS) and GraphQL APIs.

  • Strong written and verbal communication.

  • Customer-obsessed - you care about providing a good user experience and ensure you fully understand user needs before diving into engineering solutions.

  • Exercise sound judgment when making tradeoffs to balance short-term needs with investing in long-term foundation.

  • Self-aware of strengths and weaknesses, takes initiative, and seeks to learn and improve constantly.

Strong Candidates May Also Have…
  • Experience in building and scaling e-commerce applications

  • Some experience with platform and security engineering

  • Experience with Vercel, Render, GCP, GitHub Actions

💚 At Kaizen, we believe that great work starts with taking great care of our people. We’re building something meaningful, and that starts with a culture where people genuinely love to work. Here’s how we support you - in and out of the workplace:

🩺 Comprehensive Health Coverage

We offer Silver, Gold, and Platinum PPO plans through Oxford (United), with 85% of premiums covered for employees on the Platinum plan, with a $0 premium option

🏥 Dental, Vision & Financial Wellness

You’re covered with Guardian PPO dental and Beam vision plans - Kaizen pays 99% of premiums for employees and 50% for dependents. We also offer:

  • 💳 Flexible Spending Accounts (FSA & Dependent Care FSA)

  • 🛡️ $100,000 in fully paid life insurance

  • 🏦 401(k) access through Guideline

🤰🏼 Parental Leave That Supports Families

Because time with your growing family matters.

  • 🍼 16 weeks fully paid for birthing parents and 10 weeks paid for non-birthing parents

🗽 Everyday Support & Flexibility

  • 🚆 $50/month toward your commute

  • 🏡 One-time setup stipend (up to $750) for your home or NYC office

  • 💪 $100/month for wellness or productivity

🎡 Perks That Make Life Better

  • 🎉 $250/year for recreation - because fun matters

  • 📚 $500/year for professional development - because growth does too

  • 🍱 Expensed lunch three days a week when you're in the office

  • 💻 Company-provided laptop

🌴 Time Off to Recharge

  • 🌅 Unlimited PTO

  • 🇺🇸 All federal holidays off

  • ☃️ A company-wide winter break during the week of Christmas

Kaizen provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

We are committed to maintaining a supportive and inclusive environment for people with diverse backgrounds and experiences. We respect the varied identities, abilities, cultures, and traditions of the individuals who comprise our organization and recognize the value that different backgrounds and points of view bring to our organization.

If you need assistance or an accommodation due to a disability, please email us at [email protected]. This information will be treated as confidential and used only to determine an appropriate accommodation for the interview process.

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The Company
HQ: New York, New York
30 Employees
Year Founded: 2022

What We Do

Have you struggled to reserve that coveted summer camping spot at a state park? Wondered why you’re still filling out a paper form at the DMV? Or tried (and failed) to book your favorite pickleball court from your phone?

Kaizen Labs is rebuilding the government’s digital front door - bringing modern, people-first software to the public services millions of Americans rely on every day. From parks & recreation and permitting to licensing and payments, we’re replacing outdated systems with intuitive, beautiful technology designed for residents and the public servants who serve them.

Our platform now powers over 50 agencies across 17 states, reaching more than 30 million residents. Recent partners include Maricopa County (AZ), San Bernardino County (CA), and the Cherokee Nation. In Maryland, our platform helped eliminate seven-mile traffic jams at state parks, saving hundreds of thousands in costs and dramatically improving the visitor experience.

Founded in 2022 and based in New York City, Kaizen has raised $35 million from world-class investors, including NEA, Andreessen Horowitz, Accel, 776, and Carpenter Capital.

We’re a team of builders, designers, and operators redefining what it means to serve the public in the digital age - and we’re just getting started.

Why Work With Us

At Kaizen, you’ll find more than just a job - you’ll find ownership, autonomy, and purpose. We're building tools that truly help communities, with a culture rooted in trust, psychological safety, and cross-functional collaboration. It's meaningful work, with smart, supportive people by your side.

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