
Front End Developer
Mondo · Denver, CO · Remote
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Front End Developer, Remote. Start date is ASAP for this 6 month contract position.
Job Title
Front End Developer
Location-Type
Remote
Start Date
ASAP
Duration
Contract, 6 months
Compensation Range
$45-49/hr on W2
Benefits
Eligible for Health, Dental, Vision, and 401K
Visa Sponsorship
Not eligible for visa sponsorship
Job Description
The client is seeking a contract React Front End Engineer to maintain, troubleshoot, and enhance an existing subscriber management and billing platform spanning three web applications.
Job Summary
- Maintain and enhance an existing React application, primarily troubleshooting bugs and implementing targeted improvements.
- Support payment integrations including ACH, 3D Secure, autopay, and payment processing.
- Develop and maintain data-heavy admin dashboards, billing screens, forms, tables, and reporting interfaces.
- Manage front-end security, dependencies, and build environment updates.
- Own front-end deployments through Azure DevOps, including releases, testing, and rollbacks.
- Perform regression testing, improve automated test coverage, and maintain technical documentation.
- Partner closely with the Product Manager and Back End Engineer to prioritize enhancements and resolve issues.
Minimum Requirements
- 5 years of professional front-end development experience.
- Strong React experience, including familiarity with older class-component code and modern JavaScript.
- Proficiency with Redux and React Router.
- Experience building data-heavy admin interfaces, including tables, forms, filters, and dashboards.
- Strong HTML, CSS, and responsive design skills.
- Experience with REST APIs, JWT authentication, Node, Yarn, Webpack, and CI/CD deployment.
- Proven ability to maintain and troubleshoot an existing production codebase.
Preferred Qualifications
- Stripe Elements / React Stripe.js experience, particularly 3D Secure, ACH bank linking, and payment flows.
- Experience with Bootstrap / Reactstrap and CSS-in-JS (Emotion or styled-components).
- Familiarity with front-end security practices and Content Security Policy.
- Experience with Jest, React Testing Library, or Playwright.
- Working proficiency in TypeScript.
- Knowledge of accessibility standards (WCAG).
- Background in renewable energy, community solar, or billing platforms.
Skills
- React
- Azure DevOps
- JavaScript
- Redux
- React Router
- HTML
- CSS
- JWT
- Node.js
- Webpack
- Stripe
- Bootstrap
- Reactstrap
- styled-components
- Jest
- React Testing Library
- Playwright
- TypeScript
- WCAG
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