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Senior Frontend Engineer

43North

Remote
Full-time
Senior
8+ yrs
$120k–$160kPosted 51m ago

Real job — pulled straight from 43North’s careers page · Verified August 14, 2026 · No reposts.

Job description

43North is hiring a Senior Frontend Engineer — a full-time, remote role ($120k–$160k). Apply directly on 43North's careers page below.

CoachMePlus - Senior Frontend Engineer

Location: Buffalo, NY

Department: CoachMePlus

Location Type: REMOTE

Employment Type: FULL_TIME

Senior Frontend Engineer

Location: Remote-friendly; preference for candidates within commuting distance of Buffalo, NY for occasional in-person collaboration. Travel may be required for industry events or strategic meetings.

Company Overview:
CoachMePlus is a leading provider of Human Performance solutions, empowering organizations and professionals to optimize physical readiness, mental resilience, and overall performance. Trusted by professional sports teams, tactical units, the US Army, youth academies, and wellness clinics, our platform is built to turn health and performance data into action.

Position Overview:
CoachMePlus is now hiring a Senior Frontend Engineer to join our team in support of an exciting DoD human performance platform product support initiative. The position may require a government security clearance to be processed, so US or Naturalized Citizenship is a requirement for consideration.

Key Responsibilities:
  • Design, develop, and maintain various aspects of the web application and internal infrastructure, with a focus on front-end web and mobile platform development.
  • Upgrade older JavaScript libraries and architecture to modern frameworks.
  • Write and implement software tooling to develop a new build pipeline in parallel with existing legacy tools.
  • Write a JavaScripting testing suite to cover new JavaScript functionality and plug this test suite into an existing continuous integration pipeline.
  • Develop a web application to be delivered as an off-line capable mobile application.
  • Build a synchronization methodology for merging data from the off-line mobile app into the cloud web application backend.
  • Provide thought leadership to front-end design and modernization approaches and activities.
  • Organize work plans, estimate tasks, and deliver finished projects to meet important deadlines.
  • Troubleshoot issues and provide assistance to other developers, sales staff and customers.
  • Communicate effectively, both verbally and written, to various technical and non-technical audiences.
  • Other duties as assigned

Qualifications:
  • US Citizenship required
  • 8+ years of front-end development experience, to include experience as a senior team resource
  • Ability to architect front-end solutions to complex problems using industry-standard open-source frameworks
  • Experience working on a large enterprise platform with thousands of users
  • Experience scaling software platforms from limited specialty use to broad user adoption
  • Experience refactoring a system (such as jQuery, Angular, Polymer, Prototype, Bootstrap) to use modern front-end tools and languages
  • Experience with
    • JavaScript ES6
    • Node package management
    • React, Jest
    • HTML5, JSON, CSS3, Grid, Flexbox
  • Code versioning with Git with ability to interactively rebase
  • Experience using a design framework to implement front end requirements
  • Ability to build UI from requirements without strict wireframe mockups
  • Ability to test and review the code of your peers

Compensation & Benefits:
  • Salary Range: $120,000 – $160,000 annually
  • Benefits Include:
    • Health insurance
    • Paid time off
    • Flexible work schedule
    • Parental leave
    • Professional development support
    • Work-from-home flexibility

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Frequently asked questions

What is the salary for Senior Frontend Engineer at 43North?

The estimated salary range for Senior Frontend Engineer at 43North is $120,000 - $160,000 USD per year.

Is Senior Frontend Engineer at 43North a remote job?

Yes, Senior Frontend Engineer at 43North is a remote position. Candidates in Buffalo, NY may be preferred.

What skills are required for Senior Frontend Engineer at 43North?

The required skills for Senior Frontend Engineer at 43North include: JavaScript, Node.js, React, Jest, HTML, CSS, Git, Agile.

What is the seniority level for Senior Frontend Engineer at 43North?

Senior Frontend Engineer at 43North is a Senior level position.

How do I apply for Senior Frontend Engineer at 43North?

You can view the full description and apply for Senior Frontend Engineer at 43North on EchoJobs: https://echojobs.io/job/43north-coachmeplus-senior-frontend-engineer-5w59c.