Software Engineer II, Payment Platform at Flywire in Valencia

Job description

Are you ready to trade your job for a journey? Become a FlyMate! Passion, excitement & global collaboration are all core to what it means to be a FlyMate. At Flywire, we’re on a mission to deliver the world’s most important and complex payments. We use our Flywire Advantage - the combination of our next-gen payments platform, proprietary payment network and vertical specific software, to help our clients get paid, and help their customers pay with ease - no matter where they are in the world. What more do we need to truly be unstoppable? Perhaps, that is you! Who we are: Flywire is a global payments enablement and software company, founded more than a decade ago to solve high-stakes, high-value payments. We’ve scaled into new regions and industry verticals and expanded our product offerings to deliver meaningful value to our clients around the world. Today we support more than 5,100 clients across the global education, healthcare, travel & B2B industries, with diverse payment methods across 240 countries & territories and more than 140 currencies. With over 1,400+ global FlyMates, representing more than 40 nationalities, and in 15 offices world-wide, we’re looking for FlyMates to join the next stage of our journey as we continue to grow. Software Engineer, Payments Platform ✨ Work for a global payments leader, consistently ranked one of the best companies to work for. ✨ We’re looking for a Software Engineer to help build and scale the platform behind Flywire’s global payment engine, which moves hundreds of millions every day across education, healthcare, travel and B2B payments. This role is hybrid/office based in Valencia, Spain. This is crucial. Candidates elsewhere in Spain who are open to relocating to Valencia are also welcome to apply. This role suits someone with around 2 years’ software engineering experience who wants to keep building strong technical foundations on real, high impact systems that directly affect payment speed and reliability as well as client experience. You’ll have the chance to learn across backend, full stack, cloud, platform engineering and AI enabled development while contributing to systems used by clients across multiple industries. As Flywire actively adopts AI across the business, including within Engineering, we’re looking for someone curious about modern development practices who is keen to explore how AI can improve engineering effectiveness. Role Focus Depending on final team placement, the role may lean backend or full stack. You’ll work with Java, Ruby, React, AWS, distributed systems, LLMs and agentic AI tools, but you don’t need prior experience with this exact stack. Engineers from other programming backgrounds are welcome alongside backend and full stack candidates. What matters most is strong fundamentals and the ability to learn new technologies quickly, along with curiosity around AI including LLMs and agentic development tools. What You’ll Do Build and maintain services for high volume payment systems, delivering new features and improving existing functionality Write clean, testable code that is easy to maintain Investigate technical issues and production problems, supporting the reliability and security of the platform as well as its performance Make sound engineering decisions informed by data and product context alongside technical judgement Collaborate with Product Managers, Designers, QA, SRE and Engineers across global teams Learn from experienced engineers while contributing to good engineering practices within the team Explore how AI enabled tools can boost engineering productivity and quality and support problem solving What We’re Looking For Around 2 years’ experience in software or application development Strong software engineering fundamentals, ideally in backend or full stack development Experience building or working with APIs and web services, including REST based architecture Good understanding of object oriented design or similar principles, plus some exposure