Senior Full Stack Engineer

Sorry, this job was removed at 12:08 a.m. (CST) on Saturday, Jun 07, 2025
San Mateo, CA
In-Office
eCommerce • Payments • Financial Services
The Role

Checkbook enables businesses to access the speed, flexibility and cost savings of digital payments, with the familiarity and simplicity of paper checks. By providing businesses an on-ramp from paper to digital payments, we can effectively onboard customers at any stage of their digital transformation process.

Job Overview:
As a Senior Full Stack Engineer at Checkbook, you'll be the captain of code, steering the ship of our web applications with Postgres, Python and a cast of frontend libraries as your crew. Together, we'll conquer the fintech seas and unlock the secrets of modern payments.

Responsibilities:

  • Develop and architect exceptional web applications that exceed industry standards and captivate users
  • Build and ship robust APIs, integrating with internal, partner and customer systems
  • Ensure the security and integrity of our applications, safeguarding our users' valuable information
  • Design and optimize large DB schemas, queries and objects to meet performance and functionality objectives
  • Develop and implement automation tools and strategies to ensure the quality and stability of our web applications
  • Stay up-to-date with the latest web technologies, industry trends, and best practices

Qualifications:

  • Bachelor's degree in computer science, computer engineering, or a related discipline
  • 5+ years of experience working with Python, Postgres and frontend frameworks (e.g. React, Angular, Vue.js, Ember)  to build robust web applications
  • Familiarity with Python web frameworks including Flask, FastAPI and Django
  • Ability to translate business requirements into effective software solutions
  • Excellent problem-solving skills to tackle challenges and find creative solutions
  • A background in fintech is a plus, but not required

Bonus points if you have experience in the payments space

Benefits & Perks

  • Insurance (Medical, Dental, Vision, LTD and a variety of other programs)
  • 401k
  • Equity
  • Catered meals (in office)

Variable Base + Commission + Equity (based on experience)

*Equal Opportunities Employment Statement*
It is our policy to provide equal opportunities for all employees in relation to recruitment, training and promotion. Decisions in these areas will be made only by reference to the requirements of the job and shall not be influenced by any consideration of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race (including color, nationality and ethnic and national origin), religion or belief, sex or sexual orientation.

If you are interested in applying for employment and need special assistance or an accommodation to use our website to apply for a position, please contact us directly.


** To all recruitment agencies: Checkbook.io does not accept unsolicited agency resumes. Please do not forward resumes to Checkbook employees. Checkbook is not responsible for any fees related to unsolicited resumes and will not pay fees to any third-party agency or company ** 

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The Company
San Mateo, CA
18 Employees
Year Founded: 2015

What We Do

Accounts Payable (and Receivable, too) Made Easy!

At Checkbook, we have built a way to send and receive Digital Checks instead of dealing with paper and postage, or expensive online transactions. Digital Checks offer a clear financial and operational advantage for businesses with instant delivery, and online deposit, at a fraction of the cost of other payment options. Just $1 per transaction, regardless of the amount.

No more stuffing and stamping. Simply hit ‘Send’

Send digital checks in seconds with our seamless interface at www.checkbook.io. Simply enter the recipient’s name, email, and the amount -that’s it! The recipient will receive an email of their check that they can instantly deposit, or print if they choose. Have multiple recipients? Upload a CSV file and send mass checks easily. We’re also integrated with Quickbooks! Download the app at the Intuit Marketplace.

Easy Onboarding

The convenience of Checkbook is that recipients do not need a Checkbook account, just an email address. We take care of the rest with instant bank account verification for on-the-spot deposit -or they can print a paper check, if that’s their preference.

Live Check Tracking

No more “I never received a check.” With Checkbook’s integrated accounting dashboard, you can follow every digital check through every point of the process, from delivery and deposit to posting.

The Bottomline

Checkbook’s Digital Check technology is an end-to-end, simplified payments solution that combines both cost-savings and convenience. Get rid of check clutter and go digital today!

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