Full-Time
Head of Engineering
Posted on 7/25/2025
Knot
11-50 employees
B2B fintech API for card updates
No salary listed
New York, NY, USA
In Person
 Software Engineering (2) |
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- 10+ years of experience in software engineering, with a proven track record of leading and scaling engineering teams in high-growth environments.
- Strong technical background with expertise in modern software development practices, architecture, and infrastructure.
- Experience building and scaling complex, high-availability systems and services.
- Demonstrated ability to drive technical strategy and make data-driven decisions that balance short-term needs with long-term goals.
- Exceptional leadership and communication skills, with the ability to inspire and motivate a team.
- Proven ability to attract, hire, and retain top engineering talent.
- Strong problem-solving skills and the ability to navigate and resolve complex technical challenges.
- Familiarity with regulatory and compliance requirements in the financial services industry is a plus.
- High adaptability and comfort with the fast-paced, dynamic nature of a startup environment.
- Experience with fintech or payments systems is a plus.
- Lead and inspire a diverse, high-performing engineering team to deliver world-class products and solutions.
- Collaborate with the CTO to shape and refine the overall engineering strategy.
- Drive the technical vision, strategy, and execution for Knot’s product roadmap, ensuring alignment with business goals.
- Foster a culture of continuous improvement, emphasizing quality, performance, and reliability in all aspects of engineering.
- Mentor and grow engineering talent, providing guidance, feedback, and career development opportunities.
- Oversee the recruitment and retention of top engineering talent, ensuring Knot attracts and retains the best minds in the industry.
- Manage and optimize the engineering budget, ensuring resources are allocated effectively to maximize impact.
- Stay current with industry trends and emerging technologies, leveraging them to drive innovation and competitive advantage.
- Familiarity with regulatory and compliance requirements in the financial services industry is a plus.
- Experience with fintech or payments systems is a plus.
Knot provides a merchant connectivity platform that allows users to automatically update their saved payment card information across various online services. Financial institutions embed Knot’s software into their own apps, enabling customers to swap their old card details for new ones at merchants like Netflix and Amazon without manual entry. Unlike traditional manual updates, Knot uses a developer-first API and a wide merchant network to automate the process and provide item-level transaction data. The company's goal is to help banks increase card usage and reduce customer churn by ensuring their card remains the primary payment method for users.
Company Size
11-50
Company Stage
Series A
Total Funding
$13M
Headquarters
New York City, New York
Founded
2022
Simplify's Take
What believers are saying
- PayPal partnership streamlines checkouts using CardSwitcher since April 2025.
- Plaid refers Knot as preferred card-switching provider since June 2024.
- Amex integration boosts card adoption through Knot's technology.
What critics are saying
- Plaid's Asset API erodes Knot's merchant network value now.
- Amex terminates Knot partnership, builds internal tools in 2026.
- No funding since 2023 Series A exhausts $13M runway immediately.
What makes Knot unique
- CardSwitcher™ updates cards across Walmart, Netflix, Amazon instantly.
- AccountUpdater™ automates card details via single API call.
- MassSwitcher™ enables multi-merchant updates with one login.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
Unlimited Paid Time Off
Parental Leave
Company Equity
Growth & Insights and Company News
6 month growth
↑ 4%1 year growth
↑ 4%2 year growth
↑ 18%Merchant connectivity platform Knot has launched a checkout-focused partnership with PayPal.
Merchant connectivity platform Knot has launched a checkout-focused partnership with PayPal. The collaboration, announced Monday (April 7), lets PayPal users update their PayPal branded card-on-file information across multiple merchants using Knot’s CardSwitcher technology. “For PayPal users, the process is simple. From the PayPal app, users can log in to their favorite merchants across categories to automatically add their PayPal branded cards to their selected merchants using Knot’s CardSwitcher,” the company said in a news release
New York, New York, November 20th, 2024, FinanceWireKnot, a leading fintech innovator in card-on-file management, introduces Knot AccountUpdater™, an advanced solution designed to upgrade and synchronize card information across hundreds of online merchants instantly and effortlessly.Over the past few years, Knot has been quietly building a suite of merchant connectivity products, and Knot AccountUpdater marks the beginning of rolling out these innovative tools to customers.Knot AccountUpdater enables card issuers using Knot’s CardSwitcher™ product to update cardholder details—including card information, name, address, and phone number—across Knot-connected merchants with a single API call, requiring no effort from the cardholder. Whether it's transitioning users from a debit to a credit card, changing processors, or managing cross-network updates and BIN range transitions, Knot AccountUpdater puts control back in the hands of issuers.“Outdated payment details can disrupt the customer experience and create unnecessary friction for merchants and financial institutions,” said Rory O'Reilly, CEO and co-founder of Knot. “Knot AccountUpdater ensures cards are effortlessly synchronized across merchant platforms, enhancing reliability, boosting loyalty, and driving better outcomes for everyone in the payment ecosystem. Network solutions handle lost, stolen, and reissued cards effectively, and Knot AccountUpdater excels at cross-network updates and managing BIN range transitions.”This solution redefines card-on-file management by focusing on real-time updates through a flexible and scalable design. Its bin-agnostic capabilities make it an ideal solution for issuers of all types, enabling seamless integration without costly overhauls. By integrating with Knot’s merchant connectivity network, Knot AccountUpdater ensures uninterrupted subscription services, online purchases, and recurring payments while simplifying the process for both cardholders and merchants.Knot AccountUpdater is currently being rolled out to select beta customers and merchants, laying the groundwork for future Knot products that will expand on its robust merchant connectivity.Financial institutions can rely on Knot AccountUpdater to minimize payment failures, build customer loyalty, and optimize interchange revenue
New York, New York, November 12th, 2024, FinanceWireKnot, a leading fintech company specializing in card-on-file management, is proud to announce the launch of MassSwitcher™, an innovative solution that enables cardholders to update their card information across multiple merchant accounts instantly with a single login.MassSwitcher addresses the common challenge consumers face when updating payment details across various online platforms. By leveraging secure integrations with password managers and keychains, cardholders can now manage their card information effortlessly, eliminating the need for manual updates and repetitive logins.“Our mission at Knot is to simplify financial interactions for cardholders, merchants, and financial institutions alike,” said Rory O'Reilly, CEO and co-founder of Knot. “MassSwitcher exemplifies this commitment by providing a seamless, secure, and efficient method for cardholders to manage their payment information across a wide array of merchants.”MassSwitcher is now available to financial institutions, offering a streamlined approach to card-on-file management that enhances user experience and supports uninterrupted transactions across hundreds of online merchants.For more information about MassSwitcher and other Knot products, users can visit https://www.knotapi.com/mass-switcher/.About KnotKnot is a leading fintech company specializing in card-on-file management. Knot offers secure, user-friendly solutions for banks and fintechs to automatically switch saved payment methods at the request of their cardholders. With Knot, card issuers can update card-on-file information instantly and seamlessly, enhancing the customer experience and driving increased interchange revenue from day one.ContactPress TeamKnot PRKnot[email protected]
"Amex has integrated with Knot's CardSwitcher technology, which allows eligible card members to quickly and securely provide their payment information to participating merchants directly through the Amex website," Stephanie Schultz, vice president and head [...]