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Sr UI Front End Mobile Dev
Minnetonka, Minnesota  |  Remote, Onsite
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Applied on August 14, 2022
Job Id #57429 Posted June 30, 2022


  • Follow domain driven design principals to create an advanced fully integrated member portal and mobile experience with a React UI, Spring Boot APIs, and a data orchestration layer that sits in front of the domain APIs.
  • This mobile first approach will increase business agility, speed to market, plug and play domain frontends into UI/UX framework, and reduce cost.


  • UI/UX Framework – Build the core engine framework and site map that will allow for easy integration of domain based microservice front ends
  • Micro-Frontend Architecture - Framework will easy allow domains (ex. Investment and Cards) to integrate with unified framework.
  • Each domain will have independent development, deployments, and release schedules
  • Authentication – Authentication will be built to allow easy of integration for HSID, SSO and all standard authentication protocols
  • Content Management – Integrate a solution that works seamless with a react front end through APIs. Solution will allow for multiple levels of content customization for employers, distributors, and sponsors.
  • The Content Management capability will extend to different roles including Admin, marketing and eventual integration into HR Command to allow the employer to modify basic elements such as logos.
  • Responsive Design – The goal of a fully responsive site is to give the same access to information regardless of device
  • Language Support – Provide built in multiple language support available at the member level.
  • Accessibility – Ensure the portal and mobile app are WCAG 2.0 AAA rated
  • FAQs, tools and Search – Implement a help capability to allow the member to self service and educate
  • Theming – Custom style sheets that include a white label Financial, and basic employer level styling.
  • The theming capability will extend to different roles including Admin, marketing and eventual integration into HR Command to allow the employer to modify basic elements such as logos.
  • Over the Air Mobile Updates - Implement standard method to VBA features of the app through an over the air update rather than requiring the user to download a new application version.
  • Notifications – Implement a member notification for push notifications, emails and texts
  • Telemetry - Implement analytics, telemetry, monitoring, and alerting solutions
  • Co-Browsing/Impersonation - Implement a capability that will allow an admin or service rep to view the member experience to assist with member issue resolution.


  • Undergraduate degree or equivalent experience

Must Have 6+ Years:

  • react native
  • typescript
  • styles sheets (css, less, Material UI, Bulma, etc)
  • building apps web + mobile
  • javascript automated unit testing

Nice to have / Will set candidates apart:

  • native mobile app development (iOS / Android)
  • micro front-end architecture (wix, expo, etc) - wix is a big plus
  • browser based eventing
  • content management and theming
  • AWS
  • REST architectural style
  • Microservices
  • GraphQL
  • Domain Driven Design
  • Docker/Kubernetes
  • Build automation (npm, jenkins, etc)
  • Node.js or Spring back-end
  • Analytics, telemetry, monitoring, and alerting solutions

Ideal Background:

  • Healthcare and HBA a plus but not required.

Top Requirements:

  • a. react native
  • b. typescript
  • c. building apps web + mobile

Team and Team size:

  • 4-5 devs 1-2 QAs, SM/PM shared across 3 workstreams.

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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