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Sr. Front End Developer
Richfield, Minnesota  |  Hybrid, Onsite
Contract Position
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Applied on January 20, 2022
Job Id #50992 Posted September 29, 2021

Job Description: 
  • Client is one of the 10 largest e-commerce sites on the internet, with a billion visits each year. 
  • Shop teams are responsible for all the front-end applications, which are integrated with Client.
  • We are a team that thinks big with a clear vision, but willing to start small and validate with data and customer feedback.
  • We are relentlessly focused on delivering a great customer experience through every decision we make, ultimately making Client the easiest place to buy from regardless of channel. We value the holistic customer journey over page, team, and organizational boundaries. 
  • We are a team of resourceful problem solvers who believe that ideas can come from anyone and anywhere, and true innovation will be found at the intersection of those viewpoints and experiences.
  • We value action and follow through as a team and individuals and we deliver on our commitments.
Project Description:
  • The Enhance team's vision is to create and support product detail pages that will improve our customer’s shopping experience by anticipating their needs at the different stages either in their shopping journey or during product ownership. 
Why our team exists?
  • As stewards of the product detail page, we provide customers with the information that builds trust and confidence in their shopping journey decisions. 
What do we do?
  • We listen and research to identify and solve customer friction points
  • We collaborate and align strategies across partner teams. 
  • We aggregate, curate and optimize the PDP customer experience.
  • This team is also responsible for the new / existing UI components in the client, with Product Detail Page (PDP) being the primary focus, however the components that are built for PDP will also be designed to work for other use cases were applicable. (Listing Pages<PLP>, Home Page, etc.,). 
  • Enhance team is split into 2 squads, whereas each scrum team works on a 2-week sprint cadence, focusing on the team’s vision, values & strategy.
Position Summary/Job Description:
  • The individual in this role will be involved throughout the development lifecycle for the Enhance team with the primary responsibility of leading and developing highly scalable front-end components for the client website using modern JavaScript frameworks along with appropriate test automation, performance, and tools supporting the architecture. 
You will:
  • Drive: Work with the team to scope and stage large projects into actionable and well-defined milestones.
  • Lead development workflow, providing work direction for development team through complex development on a suite of applications/programs
  • Enhance: Execute on a strategy and create a more performant, more scalable, higher quality architecture.
  • Lead: Mentor junior engineers and be a technical leader on the team, leading sprint planning, design sessions, code reviews from a technical and process perspective.
  • Expert: Software development lifecycle phases-concept, design, development, testing, deployment, automation, and monitoring practices.
  • Develop: Front end components and libraries in JavaScript leveraging frameworks like React JS, Redux, Node JS, GraphQL, and so on and optimize for max speed and scalability.
  • Demonstrate: knowledge of industry trends and look for ways to apply those trends to your products. 
  • Collaborate: Work together with a variety of teams across D&T.
  • Innovate: Share and champion ideas that can evolve how we build products.
  • Advance: Learn and improve your own technical and non-technical abilities.
How much time will the resource spend pair programming? 
  • Our teams are not setup for day-day pair programming. While being remote, we do occasionally spend < 10% of our time in pair programming. 
Skills Overview:
What are the top five skills and number of years of experience required to perform this job?
  • 6+ years related experience; additional 2 years’ experience without BS/BA
  • 1+ Years of experience in leading team(s); mentoring, and guiding team members
  • 4+ years of experience with modern JavaScript frameworks (ES2015+, Babel) like React.js, Redux, Node.js 
  • 4+ years of experience in unit testing tools such as Jest, Mocha/Chai, Cypress.
What are some preferred/nice to have skills the manager is looking for?
  • Experience working with e-Commerce applications
  • Decision-making and organizational abilities
  • Front-End Optimization – Web Performance
  • Experience working with GraphQL / Falcor
  • Experience working with HTML5 & CSS3
  • Dependency Management Experience (npm, yarn)
  • Continuous Build, Integration & Deployment ( Webpack, Rollup, Github Actions, Jenkins, etc., )
  • Monitoring & Support ( Kibana, Splunk, Dynatrace, Pagerduty )
  • TDD / Refactoring / Automated unit tests, Integration tests, functional tests. 
  • Strong debugging and troubleshooting skills
  • Experience working with Git / Jira
  • Cloud Experience (AWS, GCP, Azure)

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

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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