Knot Tech Stack

Card-on-file switching platform for embedded merchant payments

Software Development New York 11–50 employees Privately Held

Knot operates a merchant connectivity layer enabling financial institutions and fintech companies to switch payment methods across online merchant accounts through an embedded SDK. The tech stack emphasizes full-stack portability (React, Node.js, Go, Python) with strong infrastructure (GCP, Kubernetes, Terraform) and SDK depth (iOS, Android, gRPC), signaling a product designed for both mobile and backend integration at scale. Hiring is engineering-heavy with senior concentration, while projects span pricing, dashboard development, and enterprise issuer integrations—indicating active expansion beyond core card switching into adjacent payment rails.

Tech Stack 27 technologies

Core StackReact Node.js TypeScript Go Python Kubernetes Terraform gRPC Jest Cypress Tailwind CSS Figma Cursor Salesforce Adobe Creative Cloud Cloud SQL Styled Components Material-UI GCP Protocol Buffers iOS Android MCP Plaid shadcn/ui iOS SDK Android SDK

What Knot Is Building

◆Challenges

High risk areas prone to breakage
Funnel optimization
Deep personalization
Expanding channel sales
Driving new business
Customer upsell opportunities
Expanding digital banking ecosystem
Expanding gtm function
Improving sdk performance

▲Active Projects

Cardswitcher
Transactionlink
Pricing updates
Market segmentation
New product launches
Develop dashboard.knotapi.com
Developer experience for integration
Enterprise issuer processor integrations
Operational finance
Strategic finance projects

Hiring Activity

Minimal20 roles · 0 in 30d

Department

Engineering

Sales

Executive

Marketing

Product

Seniority

Senior

Mid

Manager

Notable leadership hires: Chief of Staff

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About Knot

Knot is a 11–50 person merchant connectivity platform headquartered in New York. The company enables financial institutions and startups to embed card-on-file switching functionality into their customer experiences, removing friction from payment method management across online merchant accounts. The product surfaces as an SDK (iOS, Android, web) paired with a developer dashboard and is positioned to work at the intersection of digital banking, payments infrastructure, and merchant integrations. Current operational focus spans developer experience, enterprise processor integrations, and go-to-market expansion.

HeadquartersNew York

Company Size11–50 employees

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Knot use?

Knot's stack includes React and TypeScript on frontend, Node.js and Go for backend services, GCP for infrastructure, Kubernetes and Terraform for orchestration, and gRPC + Protocol Buffers for inter-service communication. The company also maintains iOS and Android SDKs.

What is Knot working on?

Active projects include card-switcher functionality, transaction linking, dashboard development (dashboard.knotapi.com), market segmentation, new product launches, enterprise issuer processor integrations, and strategic finance initiatives.