Senior Software Engineer

Engineering | San Francisco, CA

As a senior member of Lob’s engineering team, you will have the unique opportunity to drive the product roadmap, define engineering standard methodologies, and create great products on a modern infrastructure. You should enjoy learning about and implementing the latest technologies. We're currently using node.js and hapi.js on the back end, AngularJS on the front end, and PostgreSQL for our database. You are passionate about being a part of the next wave of APIs that will change the way businesses operate. 


  • Design and create new API product offerings from the ground up.
  • Improve upon existing API offerings to offer our users the best possible product and experience.
  • Architect and develop systems that are scalable, maintainable, and secure.
  • Pursue challenging problems in distributed systems, cloud computing, API design, and more.


  • 5+ years of experience developing and launching APIs in a production environment.
  • Experience working on the front or back end of web applications or APIs.
  • Experience working with web technologies, for example:
    • Relational databases
    • Modern languages like: JavaScript, Python, Ruby
    • Front end frameworks like Angular or React
  • BS or MS in Computer Science or a related field.
  • Hands on. Passionate. Persistent. Creative.
  • Strong communication, problem solving, and analytical skills.

Why work at Lob?

Built with developers in mind, Lob provides tools that allow businesses to build scalable and powerful applications. The most popular API is a print and mail API that enables companies to send postcards, letters, checks, and more as effortlessly as sending emails. Lob is based in San Francisco, CA and is venture backed with over 5000 customers including Intuit, LendUp, Porch, and Ubiquiti Networks.

We are a small but dynamic and passionate team based in San Francisco. We are looking to grow our team with talented and driven people who share our vision that APIs will eat up the world. We give our employees a lot of responsibility and the ability to help instruct our product roadmap. You will have fun at work while engaging in challenging projects with the best and brightest.


  • Health benefits for you and your dependent(s)
  • Flexible Spending Accounts
  • Open vacation policy
  • Commuter benefits
  • Wellness program
  • Paid parental leave
  • Ground floor opportunity as an early member of the Lob team; you’ll directly shape the direction of our company.
  • Free lunch, dinner, and snacks
  • 401K