Senior Full Stack Engineer

AirTank, Inc / ZiftrShop Services Division

ZiftrShop is an eCommerce Platform as a Service (PaaS) that empowers businesses to sell products globally without requiring dedicated IT resources. Businesses can set up their website and multiple shopping channels, marketplaces and data workflows across the web for seamless integration, endless customization and all-in-one management.

This position involves both working on the ZiftrShop platform as well as working with customers to implement specific features, integrations, or customizations related to the platform.


Work on our state of the art eCommerce platform to:

  • Enhance functionality
  • Architect new features and coordinate with the engineering team
  • Work on our REST API and React JS backend to implement functionality
  • Integrate with third-party systems
  • Improve test coverage, automation, and general code quality
  • Be part key of the team that launches innovative eCommerce service
  • Work on customer specific features and enhancements
  • Play foosball (optional) 


  • Firm grasp of software engineering principles
  • B.S. or higher in Computer Science or related field
  • Linux command line/server experience
  • 5+ years of relevant work experience
  • Go, C/C++, Java, and/or Ruby or other equivalent back-end technologies
  • Javascript (Node.js and browser)
  • HTML / CSS experience
  • RESTful APIs (consuming or developing)
  • NoSQL databases (Redis, ElasticSearch, DynamoDb, MongoDb, etc)
  • Demonstrated knowledge working with production systems and releases
  • SQL databases (mySQL, Postgres, etc)


  • eCommerce experience (Shopify, WooCommerce, Magento, BigCommerce, etc)
  • Amazon AWS experience (EC2, Lambda, CloudFormation, DynamoDb Route53, etc)
  • Docker / Kubernetes experience
  • Event-driven architectures or distributed systems
  • Machine learning
  • Payment industry experience
  • React Native / iOS / Android development

Be prepared to show off any of your:

  • Your previous projects
  • Your personal homepage
  • Stack Overflow account (if any)
  • Any Open Source contributions


  • Team player who is comfortable working in a virtual environment
  • Motivated self-starter
  • Superior "always on" work ethic a must

Job Type:

This is a full-time salaried position.


Peterborough, NH / Remote

Many members of our Developer team work remotely three+ days per week, with two or three mandatory in-office days (we are currently 100% remote during the Covid-19 crisis)


  • Salary based on experience, prior results and education.
  • Full Benefits package
  • Stock Options

Important Information:

  • At this time immigration sponsorship will not be considered.
  • Due to the volume of resumes we receive, only individuals being considered will be contacted.
  • Please, no walk-ins. Interviews are by appointment only via Zoom/Skype/Hangouts
  • Candidates must be comfortable with dogs in the workplace
  • Flexible work hours, some nights and weekends may be required depending on client needs
  • Must participate in Developer on-call duty rotation in support of our PaaS platform

Cover Letter and Resume both required IN PDF ONLY, to start the application process.

Apply Now: