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Sr. Full Stack Developer
Richfield, Minnesota  |  Remote, Hybrid, Onsite
Contract Position
It appears that you have already applied to this job.
Applied on September 17, 2021
Job Id #49729 Posted August 10, 2021

Tell us about your department:

  • Recommendations maintains a collection of APIs that recommend products within a variety of touchpoints for the customer journey on dotcom, mobile apps, voice assistants, email marketing, and associate facing tools.  
  • Recommendations owns and maintains an exploration model as well as machine learning model to select the right set of products for a customer at either a macro or micro personalization level.  
  • This is a team with high visibility customer facing placements that regularly generate significant revenue for the company when improvements are made.

Project Description:

  • The Recommendations team follows the product model which means the developer will be on a team that Client expects to be investing in for several years.  
  • As a part of the Recommendations team, the developer will work on enhancements to the Recommendations platform and understanding the Recommendations team’s part in larger enhancements that span multiple teams.

Position Summary/Job Description:

  • The engineer will report into the engineering organization and will work on an agile team participating in all aspects of the agile process, including sprint planning, story estimating, story execution, writing code, writing unit tests, and ensuring deliverables are of the highest quality.  
  • The Recommendations team supports back-end and front-end applications but is more concentrated on back-end.

How much time will the resource spend pair programming? 

  • Our team generally uses pair programming on an as needed basis when developers require assistance.

Skills Overview:
What are the top five skills and number of years of experience required to perform this job?

  • 10+ years of full stack experience
  • 5+ years of experience with Spring or Spring Boot
  • 5+ years of experience with JavaScript frameworks (React, Angular, Vue.js)
  • 5+ years of experience with JavaScript frameworks (React, Angular, Vue.js)
  • 2+ years of experience with server-side JavaScript (NodeJS)

What are some preferred/nice to have skills the manager is looking for?

  • 2+ years building high-performance, highly available and scalable distributed systems
  • 2+ years of experience with NoSQL databases (Cassandra, BigTable)
  • 2+ years of experience with messaging (Kafka, RabbitMQ, Google PubSub)
  • Experience with data streaming frameworks (Apache Beam)
  • Experience with writing automation and/or integration tests
  • Ability to refactor
  • Keen understanding of multi-threading and concurrency in Java
  • Experience with Agile

Will there be a Hacker Rank test Required for this REQ? 

  • Yes

Horizontal is proud to be an Equal Opportunity and Affirmative Action Employer. We seek to provide employment opportunities to talented, qualified candidates regardless of race, color, sex/gender including gender identity and/or expression, national origin, religion, sexual orientation, disability, marital status, citizen status, veteran status, or any other protected classification under federal, state or local law.

In addition, Horizontal will provide reasonable accommodations for qualified individuals with disabilities. If you need to request a reasonable accommodation in order to complete the application or interview process, please contact

All applicants applying must be legally authorized to work in the country of employment.

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Horizontal is proud to be an Equal Employment Opportunity/Affirmative Action Employer providing a drug-free workplace.


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