Senior Fullstack Engineer

What you’ll do

• Work alongside a team to build, experiment with, and debug user-facing features on Knot’s Card Switcher and Subscription Management products.
• Build brand new products alongside existing features to drive further value for end users.
• Develop user interfaces with React/Type Script on the frontend and Laravel/PHP at the API layer.
• Foster a culture of deep care for industry‑leading user experience.

• 5+ years of fullstack engineering experience.
• Proficiency in React, Node/Typescript, Laravel/PHP, and CloudSQL (or similar relational database).
• Track record of shipping high-quality products at scale.
• Strong knack for getting the visuals right.
• You understand observability and enjoy digging into the details to solve performance and user experience issues.
• You excel in a rapidly growing organization and embrace challenging problems, tackling them directly and taking the initiative to lead the solution.
• Eagerness to work in a fast‑paced, dynamic environment and constantly grow & develop your craft.
• Expert communication and ability to collaborate seamlessly with product teams.
• Experience with fintech or consumer apps is a plus.

• React frontend with Styled Components
• Material‑UI and CSS modules for styling
• React‑query/Axios for API calls
• PHP/Laravel, Type Script/Node, Python, Socket.io in the backend
• CloudSQL & Redis
• Hosted on Google Cloud Functions and k8s
• Github, Linear, Slack, Notion

• Interesting and challenging work
• Competitive base salary + generous early employee equity + benefits
• 100% medical, dental, and vision insurance coverage for you and your dependents (U.S.)
• Unlimited PTO
• Parental leave
• Beautiful NYC office in the heart of Flatiron