
Knot
Knot builds a merchant connectivity platform and SDK that let banks and fintechs enable card-on-file updates, receipt-level transaction data, and 1-click checkout across hundreds of online merchants. Founded in 2021 and headquartered in New York City, it sells APIs embedded in financial apps; customers cited include American Express, PayPal, BILT, and Step. The company raised a Series A in 2024.
Open Positions at Knot
5 open positions
Lead the design and optimization of Knot’s Android SDK, focusing on performance, reliability, public APIs, and seamless partner integrations. You’ll tackle deep platform debugging, testing, release quality, and WebView-heavy Android development.
Help architect, optimize, and evolve Knot’s mission-critical iOS SDK used by major fintech companies. You’ll own work across performance, public APIs, testing, releases, production reliability, and developer integration.
Own and evolve Knot’s cloud network and API infrastructure, from architecture and automation through availability and incident response. This role offers broad technical ownership across GCP, Kubernetes, Terraform, and modern infrastructure systems.
Own solutions engineering at Knot as the technical lead across pre-sales, implementation, and post-sales customer engagements. You’ll combine deep technical fluency with customer-facing problem solving to improve integrations and build tools that make Knot easier to adopt.
Build and launch full-stack product experiences across Knot’s merchant connectivity platform, using React, TypeScript, and backend technologies including Node.js, Go, and Python. You’ll work closely with product teams to deliver polished user experiences and solve performance challenges at scale.