Senior Front End Engineer

About the Role

As Senior Front End Engineer, you will work across the full front-end stack, partnering with product, design, and back-end engineers to deliver features that reach millions of customers.

At the 6–12 month mark, success looks like having shipped meaningful improvements to core user experiences, established yourself as a technical leader through code reviews and mentorship, and actively integrated AI-driven tooling into your development workflow.

This is a lean team. You will own a lot, move fast, and make decisions with full end-to-end responsibility.

What You'll Do

• Develop well-designed, testable, and scalable web applications using React, TypeScript, and modern frameworks.
• Explore and integrate AI tools to streamline development and improve user engagement.
• Deliver new features and optimize existing experiences at speed and scale within an agile workflow.
• Participate in code reviews, provide constructive feedback, and mentor junior engineers.
• Write and maintain unit tests and automated test suites to ensure code quality and reliability.
• Partner closely with product, design, and back-end engineering to ship cohesive end-to-end features.
• Stay current with the latest trends in front-end engineering, design patterns, and AI-driven development.

Required Qualifications

• 5+ years building complex, high-performing web applications.
• Deep expertise in React and JavaScript ES6/TypeScript.
• Solid understanding of web performance, accessibility, and security best practices.
• Proven track record of writing clean, maintainable, and testable code.
• Strong problem-solving, debugging, and analytical skills.
• Excellent collaboration and communication abilities.

Preferred Qualifications

• UX/UI design sensibilities and experience collaborating closely with design teams.
• Functional programming experience.
• Hands-on exposure to AI development tools such as ChatGPT, Copilot, or similar.

Why Join

The people who do best here are builders. They take ownership, move fast, and want to see the direct impact of their work.

Cross-Functional Impact: Your work touches every brand in the portfolio — front-end improvements you ship reach millions of customers across 13 properties. AI-First Skill Building: Get hands-on with advanced AI tools, from automation to prompt engineering, building a modern tech stack that sets you apart in any industry. End-to-End Ownership: Own features from concept through production with the autonomy to make technical decisions and drive architectural direction. Competitive Benefits (Costa Rica): We offer an attractive benefits package including primarily remote work, private medical and life insurance, additional paid time off, monthly allowances and reimbursements, employee discounts, and opportunities for professional growth. Competitive Benefits (Canada): Paid time off policies, RRSP match, medical, dental, and vision coverage, a variety of supplemental benefit options, and employee discounts across our portfolio of brands.

Interview Process

1. Recruiter Screen - A 30-minute conversation with our recruiting team to align on the role, your background, and what you are looking for.
2. Technical Challenge - A short AI or product-building challenge so we can understand how you approach problems and execution.
3. Leadership Interviews - Deep-dive interviews with CSC engineering and product leadership focused on your experience, technical approach, and operational thinking.
4. In-Person Interview - Meet with an engineer on the team in Costa Rica.
5. Reference Checks - We will connect with a few of your professional references as we finalize the process. Conducted in parallel with the final stages where possible.
6. Offer - We move quickly for the right candidate.

Interview process is subject to change. Any updates will be communicated promptly and clearly.

US:

is an equal opportunity employer. All qualified applicants will receive consideration without regard to any characteristic protected by law. If you need an accommodation during the application process, contact .

Employment is contingent on a background check, including verification of prior employment dates.

It is unlawful in Massachusetts to require or administer a lie-detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

Canadian candidates: This posting is for an existing vacancy. This position is not open to and cannot be filled by a B.C. Resident.