Knot · 4 hours ago
Senior Software Engineer, Fullstack
New York, NY
Full-time
Onsite
Senior Level
5+ years expKnot is a company focused on empowering consumers and businesses with connected merchant and banking experiences. The Senior Software Engineer will work on building user-facing features and new products, while ensuring a high-quality user experience across Knot's platform.
Developer APIsFinTech
Responsibilities
Work alongside a team to build, experiment with, and debug user-facing features across all of Knot's products (CardSwitcher, TransactionLink, etc.)
Build brand new products alongside existing features to drive further value for end users
Develop user interfaces with React/TypeScript on the frontend and a variety of technologies at the API layer
Foster a culture of deep care for industry-leading user experience
Qualification
Required
5+ years of full stack engineering experience
Proficiency in React, Node, Typescript, Go, Python 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
Preferred
Experience with fintech or consumer apps is a plus
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
Herman Miller Aeron Desk Chair
Food (snacks, frequent lunches, and often dinner for those working late)
Company
Knot
The merchant connectivity platform. Switch cards-on-file in online merchant accounts.
11-50 employees
H1B Sponsorship
Knot 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
2022 (2)
Funding
Current Stage
Early StageTotal Funding
$13MKey Investors
Nava VenturesGiant Ventures
2024-09-05Series A
2023-08-03Series A· $10M
2021-02-02Seed· $3M
Leadership Team
Rory O'Reilly
CEO and Co-Founder
Recent News
2025-12-13
2025-12-11
Tech in Asia
2025-12-10
Company data provided by crunchbase