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Sr. Full Stack Developer
Seattle, Washington  |  Hybrid, Onsite
Contract Position
It appears that you have already applied to this job.
Applied on October 25, 2021
Job Id #50171 Posted August 27, 2021

 Tell us about your department:

  • In Consumer mobile app teams, we work on various customer facing experiences that enables & improves customer purchase experience.
  • We build these amazing new experiences with a mixture of native & react native platforms and technologies

Project Description:

  • Work as a part of a world-class mobile engineering team that delivers amazing results through rapid iterations.
  • Build meaningful experiences for customers in React Native and Native iOS/Android.
  • Directly contribute to feature design, architecture, implementation, employee growth and happiness. Interact directly with peer developers, Product Management, Design, QA and remote server-side engineering groups as part of a cohesive team.
  • Inspire others with your passion for mobile development and the services that power these experiences.
  • Work with cutting edge technologies like in-store beacons, image recognition, advanced geo-location, and IoT

How much time will the resource spend pair programming? 

  • 8+ hours per week

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

  • React native – 2+ 
  • Swift or Android – 4+ 
  • Overall software engineering experience – 6+
  • Note: Less direct native experience and more react native experience is acceptable for these positions

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

  • Would like you to have developed/published at least one relevant mobile offering on Android or iOS, preferably both
  • Hands-on experience with React/React Native and how it integrates with native Android or iOS platform
  • You feel at home in a test-driven, agile team
  • Proficiency with Object Oriented Design principles and patterns
  • Experience with commonly used libraries (Retrofit, Butterknife, Espresso,  Alamofire, Axios, etc) is a bonus
  • Experience with bug tracking software such as Jira
  • Proficiency with UNIX/Linux/macOS command line
  • Excellent interpersonal and communication skills; you must be comfortable in small and large groups and interacting with senior executives
  • Flexible problem-solving ability
  • Strong product focus: we expect everyone to do what is needed to deliver the best product for our customers
  • Someone who likes to create new things, both inside and outside the work 
  • Environment
  • Building native modules for react native experiences (Nice to have)

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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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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