Senior Front-End Developer

Company: Quantum Electronic Payments LLC
Location: Anaheim
Posted on: May 24, 2025

Job Description:

Unlock your potential with Quantum ePay - We're a full-service financial technology provider that helps business owners lower their costs, earn more money, and improve their quality of life. We offer truly innovative payment processing solutions and an ever-expanding line of products to boost productivity, enabling our clients to operate efficiently and effectively in confidence. With a focus on providing exceptional service to our merchants, we bestow integrity, teamwork, passion, and delivering reliable service. Our company is growing, and we are seeking experienced business professionals!We are looking for a talented Senior Front-End Developer to design, implement, and maintain intuitive and visually compelling user interfaces, ensuring a seamless user experience across all platforms.ESSENTIAL DUTIES AND RESPONSIBILITIES:

• Design and develop responsive, high-performance web applications using JavaScript frameworks such as React.js, Angular, or Vue.js.
• Collaborate with cross-functional teams to translate design concepts into functional front-end solutions.
• Optimize applications for maximum speed and scalability using tools like Webpack and Rollup.
• Implement secure coding practices to prevent vulnerabilities like cross-site scripting (XSS) and SQL injection.
• Integrate front-end components with RESTful APIs, GraphQL, and WebHooks.
• Ensure cross-browser compatibility for seamless functionality across Chrome, Firefox, Safari, and Edge.
• Utilize state management tools such as Redux for efficient data handling.
• Conduct thorough testing using frameworks like Jest or Mocha to ensure application reliability.
• Manage version control and collaborate using GitHub and CI/CD pipelines with GitHub Actions.
• Participate in Agile development processes, leveraging Scrum or Kanban methodologies.
• Create and maintain consistent UI/UX designs using Tailwind CSS and Figma.QUALIFICATIONS:
  • 5+ years of experience in front-end development.
  • Proficient in JavaScript and TypeScript, with familiarity in additional languages like C#, Python, PHP, or Node.js.
  • Strong understanding of web development frameworks, including Laravel and .Net (MVC).
  • Skilled in responsive design and performance optimization techniques such as lazy loading.
  • Experience with build tools like NPM and Yarn.
  • Knowledge of secure coding practices and tools such as SonarQube.NICE-TO-HAVE:
    • Experience with cryptography, including tokenization and secure data handling.
    • Familiarity with progressive web apps (PWAs) and server-side rendering (SSR) using frameworks like Next.js or Blazor.
    • Knowledge of transaction workflows, including checkout processes and multi-currency support.
    • Exposure to backend technologies such as Node.js or Python.
    • Experience with payment gateway integrations and PCI compliance.
    • Comfortable working on various OS platforms.SALARY: This role includes quarterly profit-sharing bonuses as part of a total compensation package, in addition to a full range of medical, dental, retirement planning, and other benefits. Base salary range: $104,250 - $145,250. Salary including quarterly profit-sharing bonus and comprehensive benefits program range (annualized): $132,825 - $182,025.LOCATION: This role requires the employee to work onsite at our Anaheim Hills location.WHY WORK HERE?
      • Awarded Top Workplace of Orange County by the OC Register!
      • Flex PTO!
      • New state-of-the-art, open-concept facility with stand-up desks, balance boards, stationary bikes, and more!
      • Work hard, play hard culture!
      • Monthly Beer Socials and BBQs!
      • Proven "promote from within" mentality!
      • Benefit offerings:
        • Medical, dental, vision, acupuncture, and chiropractic
        • 401k Safe Harbor; 100% employer match processed semi-monthly, up to 4%
        • Profit Sharing; paid on a quarterly basis
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Keywords: Quantum Electronic Payments LLC, Rialto , Senior Front-End Developer, IT / Software / Systems , Anaheim, California