X1 Inc.

11 - 25 Employees
< 10 Engineers
$10M - $25M Funding
Series A

At X1, we're building the American Express for the next generation of cardholders. Our first card, the X1 Card, has a waitlist of over 300,000 customers.

Why join us?

  • We've over 300,000 customers on our waitlist for the smartest credit card ever made.

  • The engineering team is comprised of seasoned engineers from Twitter and both founders had a successful exist with their last startup.

  • We've raised over $20M from PayPal co-founder Max Levchin, PayPal founding COO David Sacks, Spark Capital, execs at Twitter and others.

Engineering at X1 Inc.

Engineering team and processes
  • All early engineers are generalist full-stack engineers, we're slowly starting to specialize
  • High ownership and individual responsibility without a lot of meetings
  • End to end ownership of the engineering lifecycle – design, development, test, deployment and on-call
  • Standard development process with pull requests on GitHub, automated deploys via CIs
Technical Challenges
  • High uptime and availability that customers of a credit card expect
  • Several core finance challenges like money movement, managing ledgers
  • Creating native like mobile experiences with a React Native stack
Projects you might work on
  • Creating non-traditional credit card features such as shared cards, boosts, gift cards while adhering to the traditional constraints of a Visa architecture

  • Building end to end full-stack features that allow X1 to capture majority of a customer's credit card spend

  • Working on an underwriting & anti-fraud system that uses traditional and non-traditional signals to assign credit card limits, pricing for all customers

Tech stack
React Native

Working at X1 Inc.

A team culture if a reflection of the people and as one of the first 20 people at X1, you'll have a disproportionate impact on the team culture.

Perks & benefits
  • Work from Home

    We're fully remote with the aim of opening up flexible work locations where we've a high density of engineers

  • Health Insurance

    Excellent health, vision and dental insurance comparable to top tier tech companies

Interested in this company?
Skip straight to final-round interviews by applying through Triplebyte.