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Senior Software Engineer
Minneapolis, Minnesota  |  Remote, Onsite
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Applied on August 13, 2022
Job Id #55944 Posted April 25, 2022


  • Combine two of the fastest-growing fields on the planet with a culture of performance, collaboration and opportunity and this is what you get.
  • Leading edge technology in an industry that's improving the lives of millions. Here, innovation isn't about another gadget, it's about making health care data available wherever and whenever people need it, safely and reliably.
  • There's no room for error. Join us and start doing your life's best work.(sm)
  • Join the Personalization team as a Senior Software Engineer focusing on User Interface (UI).
  • The Personalization team delivers custom content tailored to the individual, enabling users to take charge and make the most of their healthcare.
  • Working within a team comprised of diverse skills, you will build engaging user interfaces and develop internally used tools to deliver content across several web and mobile platforms..

Primary Responsibilities:

  • Build extensible and reusable UI components and scalable features that are lightweight and fast for the user
  • Build tooling used internally to manage content displayed on many of our platforms
  • Use modern JS libraries and frameworks like React
  • Write reusable code using TypeScript, initiate refactoring
  • Frequently test your code with modern JS testing frameworks and tools
  • Ensure the code is compatible with major modern browsers
  • Apply coding patterns and best practices
  • Use RESTful APIs and asynchronous JS
  • Produce and deploy secure code
  • Provide meaningful contribution to code reviews
  • Collaborate with a team of highly skilled awesome people
You’ll be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role as well as provide development for other roles you may be interested in.

Required Qualifications:

  • 4 + years hands-on experience with front-end frameworks
  • 4 + years of experience with JavaScript / HTML / CSS
  • 4+ years of experience with Single Page or Progressive Web Applications
  • Understanding of performance and scale tradeoffs
  • Solid design sense using architecture patterns of large, high-scale applications

Preferred Qualifications:

  • Bachelor's degree in Computer Science or equivalent experience and training
  • 2+ years of experience with TypeScript
  • 2+ years of experience with React
  • 2+ years of experience with Redux or state management library
  • 2+ years of experience with production debugging and to track down causes and fix them in systematic ways
  • Experience working with CICD pipelines
  • Knowledge of Web security, authentication, and applied cryptography

Projects the candidate will be working on:

  • The candidate will be enhancing an in-house content management tool which serves content to millions of members.

Ideal Background:

  • UI web development background using a web framework like react, angular, vue, etc

Team and Team size:

  • 4 engineers, 3 PMs, 1 engineering manager

Top Responsibilities:

  • developing web applications using javascript, typescript and react
  • participating in all team events, including scrum ceremonies and architecture discussions
  • creating architecture designs and working with the team to review them
  • deploying software to production using our CI CD pipeline
  • serving as a member of our on-call rotation

Skills/attributes Required

  • 3+ years UI web development experience

Skills/attributes Preferred:

  • React experience

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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You are considered to have a disability if you have a physical or mental impairment or medical condition that substantially limits a major life activity, or if you have a history or record of such an impairment or medical condition.

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


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