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Sr. Back End Developer
Richfield, Minnesota  |  Hybrid, Onsite
Contract Position
It appears that you have already applied to this job.
Applied on January 24, 2022
Job Id #52053 Posted November 10, 2021

Job Description: 
  • The Inventory Staging team is part of the wider post-purchase engineering area.  
  • After an order is taken Inventory Staging applications must organize the movement of inventory through the Client network to meet the date promised to our customer in the most efficient way possible.  
Project Description:
  • We are maintaining and improving business critical functionality while at the same time evolving and modernizing our software and applications.  
  • Our applications are REST API’s and message driven agents backed by Oracle, Cassandra, Kafka, and IBM MQ.  
  • Our engineers must have the experience and skill to evolve our code without disruption to our business.  
  • Our team values collaboration, continuous improvement, speed to market, automated testing, and clean code. 
Position Summary/Job Description:
  • Backend Java engineer on the Inventory Staging team.  
  • Will code 80% of the time.  
  • The rest of the time will be spent collaborating with team members to create better outcomes.  
How much time will the resource spend pair programming? 
  • Pair programming is not desired but if needed resources can spend time together to solve customer problem
Skills Overview:
What are the top five skills and number of years of experience required to perform this job?
  • 10+ years of experience
  • Expert with Java and the JVM
  • Expert with Spring
  • Expert in a range of automated testing techniques
  • Expert developing applications using Oracle, Cassandra, and message brokers
  • Excellent written and verbal communication skills
  • Some experience performance tuning Java applications
  • Experience programing using at least 3 different languages
  • Knowledge of Kafka, even if no direct experience
What are some preferred/nice to have skills the manager is looking for?
  • Retail or Supply Chain experience
  • Experience building Event Driven systems
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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