Staff Full Stack Software Engineer
Waltham, MA 
Posted 4 days ago
Job Description

6 River Systems (6RS) is a Shopify (SHOP) company leading the way to faster fulfillment. E-commerce has changed the world and our solutions power winning warehouses of the future. We're revolutionizing warehouse automation with collaborative mobile robots driven by artificial intelligence and advanced cloud-based software.

As a Staff Engineer at 6RS, you will help revolutionize the fulfillment through automation tools and build a flexible solution that uses automation to optimize and fulfill products across a wide range of markets. You will build flexible, scalable software solutions to support customers with moving merchandise as quickly as possible. This is an opportunity to join 6RS and help our customers meet the growing demands of fulfillment using autonomous robots and state of the art algorithms.

  • Build new features across the cloud domain including:
    • Performant, resilient, horizontally scalable back-end web servers
    • Real-time views of orders, inventory, and overall efficiency
  • Partner with squad leads, engineering directors, the head of software, and people across 6RS to execute our technical architecture, technical vision and roadmap
  • Collaborate with the product team and understand customer needs to refine requirements and build innovative solutions
  • Refine designs, review code, share knowledge to keep the team aligned and effective
  • Grow the team through mentorship

To succeed in this position, you'll need:

  • Strong organizational, communication, and planning skills
  • Commitment to rigorous testing (we write lots of unit tests)
  • Desire to work in a fast-paced environment
  • Scrappy, yet thoughtful approach to problem solving
  • Practical experience designing and developing scalable software
  • Interest in working with a variety of technologies, including:
    • TypeScript or JavaScript
    • NodeJS
    • PostgreSQL Databases
    • Object Oriented Programming (SOLID)
  • Knowledge of:
    • Relational databases and data modeling
    • Networking (HTTP)
    • Microservices Architecture
    • Docker, Kubernetes, GCloud
  • Experience growing a team of software developers to build scalable distributed cloud applications (GCP, AWS, etc.)

Nice to have

  • Json schema
  • API design (esp. OpenAPI)

Why 6RS? Recognized by the Boston Globe as a

  • Entrepreneurial spirit of a start-up combined with the stability of a global commerce company
  • Competitive compensation packages and Shopify RSUs
  • Company-paid health, dental, and vision coverage for all employees
  • Paid holidays, vacation/sick time, and parental leave
  • Annual 401k contribution from the company
  • Lifestyle spending account

About 6 River Systems

Founded in Waltham, Massachusetts in 2015, 6 River Systems is a leading collaborative mobile robotics fulfilment solution and part of global commerce company Shopify. Founders Jerome Dubois and Rylan Hamilton were previously executives at Kiva Systems (now Amazon Robotics). The 6 River Systems solution is operating in more than 20 facilities in the U.S., Canada and Europe, fulfilling millions of units each week for companies including Lockheed Martin, CSAT Solutions, ACT Fulfillment, DHL, XPO Logistics, and Office Depot. To learn more, visit

About Shopify

Shopify is a leading global commerce company, providing trusted tools to start, grow, market, and manage a retail business of any size. Shopify makes commerce better for everyone with a platform and services that are engineered for reliability, while delivering a better shopping experience for consumers everywhere. Headquartered in Ottawa, Canada, Shopify powers over one million businesses in more than 175 countries and is trusted by brands such as Allbirds, Gymshark, PepsiCo, Staples, and many more. For more information, visit

6 River Systems is proud to be an Equal Employment Opportunity (EEO) employer. It is the policy of the Company to provide equal employment opportunities to all qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran or disabled status, genetic information, or any other legally recognized protected basis under federal, state, or local law.


Job Summary
Start Date
As soon as possible
Employment Term and Type
Regular, Full Time
Required Experience
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