Demo

Senior Software Engineer, Fullstack - Merchant Platform

Knot
New York, NY Full Time
POSTED ON 1/5/2025
AVAILABLE BEFORE 3/11/2025
About Knot

Knot’s mission is to empower consumers and businesses alike with connected merchant and banking experiences. Knot is like “Plaid for merchant connectivity.” We are building the platform connecting merchants to the many applications that consumers and businesses interact with everyday. Our flagship product allows consumers to instantly update & manage their cards on file with online merchant accounts (e.g. Netflix or PayPal). We are building many new products on top of our novel merchant connectivity platform and we hope you choose to come build them with us!

Founded in 2021, Knot was founded by two brothers - Rory and Kieran O’Reilly - and today powers connected online payment experiences for hundreds of thousands of consumers. Companies like American Express, Current, BILT, Step, and more choose to embed Knot’s SDK in their apps to power best-in-class experiences for their customers.

Knot is proudly backed by a select group of investors, including Nava Ventures, 8VC, American Express, Plaid, and co-founders & CEOs of prominent companies like Twitter, Warby Parker, Allbirds, Casper, Intercom, Deel, Italic, DraftKings, and many more, along with Lydia Jett of SoftBank Group.

Working at Knot

We’re a world-class team hailing from all over the globe with the vast majority of the company in engineering roles. We are looking to further solidify our presence in NYC to be at the heart of the financial services ecosystem.

Our team is relentlessly focused on building for our customers and every member of the financial services ecosystem. We take our work seriously and have fun while doing it. Both are equally important.

What You’ll Do

This role will initially lean heavily towards backend development.

  • Work alongside a team to ship new features on Knot’s merchant connectivity platform, thereby setting a strong foundation to support the launch and growth of new products
  • Identify, scope, and lead large technical projects, laying the groundwork for nascent products to iteratively evolve and scale, and taming complexity and shoring up reliability of existing systems
  • Architect new and novel merchant integrations in Typescript and Python, finding creative ways to solve never-seen-before problems
  • Contribute to the API and other services in Laravel/PHP & Golang, as well as infrastructure where needed
  • Improve engineering standards, tooling, and processes
  • Foster a culture of deep care for technical foundations that support industry-leading reliability and scalability.

What You’ll Need To Get The Job Done

  • 5 years of fullstack engineering experience.
  • Proficiency in Node/Typescript, Python, CloudSQL (or similar relational database).
  • Track record of shipping high-quality products at scale.
  • 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 Laravel/PHP, Golang, and/or infrastructure is a strong plus.

Tech

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

What We Offer

  • 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

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