Senior Software Engineer, Frontend

At Engine, we’re transforming business travel into something personalized, rewarding, and simple. For too long, managing travel and spend has been overwhelming and fragmented — we’re here to change that. We believe the future of travel should be seamless and powered by technology that delights customers at every step. That’s why we’re building a platform that brings together corporate travel, a powerful charge card, and modern spend management in one place.

To make this vision real, we’re looking for exceptional, mission-driven people to help redefine how businesses manage and experience travel.

More than 20,000 companies already rely on Engine to support over 1 million travelers and billions in annual bookings each year. Cash flow positive with rapid growth, we pair exclusive Engine-only rates, industry-leading rewards, and intelligent automation to help businesses save money while delivering world-class personalization and convenience.

Backed by Telescope Partners, Blackstone, and Permira, Engine has been recognized as one of the fastest-growing travel and fintech platforms in North America, with honors including the Deloitte Fast 500 and Built In’s Best Places to Work.

We're excited to add a Senior Software Engineer with strong abstract problem-solving abilities to join our engineering team. You will work directly with the product and engineering teams to help shape the future of our company, developing scalable and maintainable frontend applications using TypeScript and React.js. Our team is focused on shipping high quality product features and we want to add a self-starter who truly enjoys software development, product ownership, solving problems, and learning something new every day.

The ideal candidate is highly collaborative and has a high level of attention to detail, and the ability to focus on the task at hand while keeping sight of the big picture. The right candidate can fearlessly dive into unfamiliar code and ship improvements to existing products while also building new ones to deliver a truly consumer grade experience.

• Solid professional experience in frontend development with a focus on React.js and TypeScript
• Solid experience in responsive design, cross-browser compatibility, and performance optimization with a strong eye for good user experience.
• Strong UI development skills (CSS & HTML).
• Expertise in agentic development using Cursor, Claude, or other tools
• Self-starter who can roll up their sleeves, is comfortable with ambiguity, and has a strong attention to detail.
• Ability to proactively and effectively communicate status, issues, and risks in a precise and timely manner.
• Desire to collaborate to design architecture and distributed systems.
• Strong individual contributor with proven ability to deliver in the entire software lifecycle: scoping, development, test, production, and subsequent fixes and improvements.
• Curious, has a passion for continuous learning, and is excited to share knowledge.
• Experience with Accessibility, Rails, or React Native is a plus!

• Technologies: React.js, React Native, Claude/Cursor
• Languages: Typescript