Senior Full Stack Software Engineer, Payex (Frontend-Focused)

We at Flywire are looking for an experienced Senior Full Stack Software Engineer I with a strong background in product-oriented FinTech environments. In this role, you will play a key part in building and maintaining the core payment experience that powers our platform—supporting the movement of hundreds of millions in transactions for thousands of users every day.

You will join a team responsible for designing new features and enhancing existing ones to improve engagement, conversion, performance, cost efficiency, and scalability. We value engineers who take ownership, think pragmatically, and collaborate closely to deliver high-quality products that feel like a shared team responsibility.

As a full stack engineer, you will contribute across both frontend and backend, ensuring high-quality delivery within agreed timelines.

What you’ll do

• Write clean, high-quality, testable, secure, and maintainable code
• Troubleshoot and resolve complex bugs and production issues
• Tackle challenging problems that require deep analysis and thoughtful evaluation of multiple factors
• Apply sound judgment in selecting methods, techniques, and evaluation criteria to deliver effective solutions
• Drive improvements across all phases of the software development lifecycle
• Ensure optimal performance, quality, and responsiveness of applications
• Collaborate with cross-functional stakeholders across engineering, product, and design to shape product direction
• Work effectively with globally distributed teams, understanding and addressing diverse needs
• Support and mentor fellow engineers, contributing to a culture of continuous learning and growth

Here’s What We’re Looking For: 

• 5-8 years of experience as Software Engineer focused focused on frontend
• Experience in Fintech and product driven companies or the payment industry will be appreciated
• Hands-on experience building and maintaining React based SPAs and ideally with Flywire’s technology stack
• Experience in designing, developing and supporting scalable, performant and reliable web applications and distributed systems
• Seasoned in techniques such TDD and BDD
• Proficient working with continuous integration and delivery (CI/CD)
• Experience in Web Accessibility principles
• Hands-on experience building and maintaining Javascript libraries is a plus
• Understanding of o11y principles and tools
• Strong understanding of object-oriented fundamentals
• Great understanding of the other disciplines in the cross functional team: QAs, Product and SREs
• Fluent in English, as it is the company’s working language 
• The ability to deliver high quality code and learn quickly
• Outstanding verbal and written communication skills and the ability to collaborate with cross functional teams including product and support

Technologies We Use:

• React
• Typescript, JavaScript, HTML5, CSS3 and Tailwind CSS
• Jest, Playwright 
• Redux
• Webpack
• Nginx
• Docker
• AWS
• Gitlab

What We Offer:

• Competitive compensation 
• Flying Start - Our immersive Global Induction Program (Meet our Execs & Global Teams)
• Work with brilliant people that will keep you on your toes, learn more about their journeys by checking out #InsideFlywire on social media
• Dynamic & Global Team (we have been collaborating virtually for years!)
• Wellbeing Programs (Mental Health, Wellness, Yoga/Pilates/HIIT Classes) with Global FlyMates 
• Be a meaningful part in our success - every FlyMate makes an impact
• Competitive time off including FlyBetter Days to volunteer in a cause you believe in and Digital Disconnect Days!
• Great Talent & Development Programs (Managers Taking Flight – for new or aspiring managers!)

Submit today and get started!

We are excited to get to know you! Throughout our process you can expect to meet with different FlyMates including the Hiring Manager, Peers on the team, the VP of the department, and a skills assessment. Your Talent Acquisition Partner will walk you through the steps and be your “go-to” person for any questions.

Flywire is an equal opportunity employer. With over 40 nationalities across 12 different offices diversity, gender equality, and inclusion are at the core of our people agenda. We believe our FlyMates are our greatest asset, and we’re excited to watch our unique culture evolve with each new hire.

#Li-Hybrid