Software Engineer II, Payments Platform

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 a decade ago to solve high-stakes, high-value payments in education, using modern technology.
Today, we’ve digitized payments for more than 3,300+ global clients across education, healthcare, travel & B2B, covering more than 240 countries and territories and supporting over 140 currencies. And, we’re just getting started!
With over 1000+ global FlyMates, representing more than 40 nationalities, and in 14 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, moving hundreds of millions every day across education, healthcare, travel and B2B payments.
***This role is hybrid/office based in Valencia, Spain. This is crucial. We also welcome applications from candidates based in other cities in Spain who are open to relocating to Valencia.***
This is a role for someone with around 2 years’ software engineering experience who wants to continue building strong technical foundations while working on real, high impact systems.
You’ll be working on business critical technology that directly affects payment speed, reliability and client experience. The role offers the opportunity to learn across backend, full stack, cloud, platform engineering and AI enabled development while contributing to systems used by clients across multiple industries.
Flywire is actively adopting AI across the business, including within Engineering. This role is suited to someone who is curious about modern development practices, interested in how AI can improve engineering effectiveness and keen to keep learning as technology evolves.
Role Focus
Depending on final team placement, the role may lean backend or full stack, so we are open to candidates with:
backend experience
full stack experience
experience in other programming languages
strong software engineering fundamentals
the ability to learn new technologies quickly
curiosity around AI, LLMs and agentic development tools
You’ll work with modern engineering teams across Java, Ruby, React, AWS, distributed systems, LLMs and agentic AI tools. You do not need prior experience with this exact stack. We’re open to engineers from other programming backgrounds who have strong fundamentals and are comfortable learning new tools and technologies.
What You’ll Do
Build, maintain and improve services that support high volume payment systems
Write clean, testable and maintainable code
Contribute to new features and improve existing functionality
Support the reliability, performance and security of our platform
Investigate technical issues and help resolve production problems
Use data, product context and technical judgement to make good engineering decisions
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 support engineering productivity, quality and problem solving

What we’re looking for
Around 2 years’ experience in software or application development
Strong software engineering fundamentals, ideally with experience in backend or full stack development
Experience building or working with APIs, web services or REST based architecture
Good understanding of object oriented design or similar programming principles
Some exposure to relational databases
Interest in scalable systems, cloud platforms and reliability
Ability to learn new languages, frameworks and tools
Curiosity around AI adoption, LLMs and modern engineering workflows
Comfortable working in a cross functional product engineering environment
Strong communication skills and fluent English
Product minded approach, with an interest in how engineering decisions impact customers and the business
FinTech or payments experience is desirable but not required
Based in Valencia or open to relocating to Valencia from another city in Spain
Tech stack you’ll work with
Backend: Java, Ruby

Frontend: React, JavaScript, HTML5, CSS3

Databases & systems: Linux, MySQL, MongoDB, Redis, Sidekiq, AMQP, Elasticsearch

Cloud: AWS

Version control & CI/CD: GitLab

Agentic AI: Claude Code, Cursor, LLMs and AI enabled development workflows
 

We Offer:
Competitive compensation
Employee Stock Purchase Plan (ESPP)
Flying Start - Our immersive Global Induction Program
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) 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
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 30 nationalities across 12 different offices, and diversity and inclusion 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.
Flywire is an equal opportunity employer.
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