Front-End Engineer II

Eliassen Group; Denver (CO); Remote; USD 110,000 - 120,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) match

Remote work

Job summary

Eliassen Group is seeking a Front-End Engineer II for a remote, full-time role. You will build and enhance single-page applications, collaborate with API engineers, designers, and product owners, and contribute to component libraries and accessibility within a Scrum team.

The ideal candidate has 3+ years constructing SPAs with modern JavaScript frameworks, strong HTML/CSS/JavaScript fundamentals, and experience with ES2015+, Node.js, and Gulp.

Qualifications

• 3+ years developing and architecting single page applications with Ember/React/Angular/Vue
• Demonstrated mobile-first, responsive design implementation
• Strong HTML, CSS, and JavaScript fundamentals
• Experience creating reusable components or libraries across applications
• 1+ year with ES2015+ and Node.js
• Experience with Gulp.js or similar build tools
• Experience writing unit, integration, and acceptance/UI tests
• Experience in agile scrum environment
• Comfort using AI tools in development workflows
• Proficiency with React for modern feature development and migration from Ember

Responsibilities

• Develop mobile-first single page applications for various devices
• Convert mockups into reusable components
• Maintain and extend JavaScript code and legacy plugins
• Validate accessibility and cross-browser compatibility
• Lint, test, and maintain code quality
• Write clean, reusable code per standards
• Assist with bug discovery in development environments
• Participate in front-end and scrum ceremonies
• Maintain code libraries and document specs
• Research solutions and contribute to code reviews
• Mentor associate front-end engineers and interns

Skills

JavaScript

HTML/CSS

React

Ember

REST APIs

Agile Scrum

Testing

AI tools

SPA development

Node.js

ES2015+

Gulp.js

Education

Bachelor's degree in CS / HCI

Equivalent experience

High school diploma

Tools

Ember.js

Node.js

Gulp.js

Job description

Front-End Engineer II

Anywhere

Type: Permanent

Category: Development

Industry: Healthcare

Workplace Type: Remote

Reference ID: JN -102025-104246

Date Posted: 08/26/2026

Shortcut: http://careers.eliassen.com/TsL4XN

Description:

Remote

Our client seeks a Front-End Engineer II to build and enhance single page applications that support internal systems and user-facing experiences. The role partners with front-end developers, API engineers, designers, and product owners, and contributes to component libraries, testing, accessibility, and code standards. The engineer will mentor associate engineers and interns, work within a scrum team, and apply strong JavaScript fundamentals with React and modern tooling. The environment emphasizes analytics, experimentation, and practical use of AI for development workflows and feature delivery.

This is a full-time, permanent opportunity, offering a competitive salary and comprehensive benefits package. Qualified applicants must be willing and able to work on a w2 basis.

Salary: $110,000 - $120,000/ yr. w2

JN -102025-104246

Responsibilities:

• Develop mobile-first single page applications, primarily with Ember.js, for various devices and environments.

• Convert mockups and wireframes into clean, maintainable, reusable components.

• Maintain and extend JavaScript code and legacy plugins.

• Validate and test for Section 508 accessibility and cross-browser, platform, and device compatibility.

• Lint, evaluate, and unit test JavaScript.

• Write clean, reusable code that adheres to published standards.

• Assist with discovery and diagnosis of bugs in development environments.

• Participate in front-end and scrum team ceremonies.

• Maintain code libraries and document technical specifications.

• Research solutions and contribute to code standards and reviews.

• Mentor associate front-end engineers and interns.

Experience Requirements:

• 3+ years developing and architecting single page applications with a modern JavaScript framework such as Ember, React, Angular, or Vue, integrating RESTful or JSON APIs.

• Demonstrated mobile-first, responsive design implementation.

• Strong skills in HTML, CSS, and JavaScript with emphasis on vanilla JS fundamentals.

• Experience creating reusable components or libraries across applications.

• 1+ year with ES2015+ and Node.js.

• Experience with Gulp.js or similar build tools.

• Experience writing unit, integration, and acceptance/UI tests.

• Experience working in an agile scrum environment.

• Comfort using AI tools as part of development workflows and for solution exploration.

• Proficiency with React for modern feature development and migration from Ember where applicable. No backend work required.

Education Requirements:

• Bachelor’s degree in computer science, human-computer interaction, or a related field, or equivalent experience. High school diploma required.

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.

W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.

About Eliassen Group:

Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. We are driven by a purpose to positively impact the lives of our employees, clients, consultants, and the communities we serve.

Eliassen is committed to building a diverse and inclusive team from a variety of backgrounds, perspectives, and skills. We are an Equal Opportunity and Aff…

Eliassen does not discriminate on the basis of race, color, gender identity or expression, sexual preference or orientation, sex (including pregnancy, childbirth, and related medical conditions), marital status, creed, religion, physical or mental disability, genetic information, military or veteran status, age, ancestry, national origin, citizenship status, prohibited criminal record inquiries of applicants and employees, or any other category protected by federal, state, or local laws.