Senior Software Engineer II

Flywire; Comunidad Valenciana; Presencial; EUR 65.000 - 85.000; Jornada completa

Descripción de la vacante

A leading global payments company is searching for an experienced Senior Software Engineer II to join their dynamic team in Spain. This role involves developing and scaling their innovative payments platform while mentoring team members and influencing technical direction. Candidates should have over 8 years of web application development experience and a strong background in building scalable and reliable systems. The position offers competitive compensation, well-being programs, and opportunities for professional growth.

Servicios

Competitive compensation including Restricted Stock Units

Employee Stock Purchase Plan (ESPP)

Dynamic & Global Team

Formación

• 8+ years of experience in web application development.
• Strong expertise in building scalable, performant, and reliable systems.
• Proficiency with TDD / BDD, CI / CD, and object-oriented fundamentals.

Responsabilidades

• Develop clean, secure, testable, and maintainable code.
• Solve challenging bugs and production issues.
• Design and support scalable, reliable web applications and distributed systems.

Conocimientos

Web application development

Scalable systems building

Object-oriented programming

Collaboration with cross-functional teams

Excellent communication skills

Learning and adapting quickly

Herramientas

Ruby

Java

React

AWS

MySQL

Descripción del empleo

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 in higher education. We’ve since 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 4,600 clients across the global education, healthcare, travel & B2B industries, with diverse payment methods across 240 countries & territories and more than 140 currencies.

With over 1,200 global FlyMates, representing more than 40 nationalities, and in 12 offices world-wide, we’re looking for FlyMates to join the next stage of our journey as we continue to grow.

The Opportunity

At Flywire, we’re on a mission to power the world’s most important payments 🌍. Our global payments platform moves hundreds of millions every day 💸, helping businesses and institutions get paid easily, securely, and across borders.

We’re looking for an experienced Senior Software Engineer II to help build and scale the platform behind our industry-leading payment engine ⚙️. This is a chance to work on complex, high-impact systems in a Nasdaq-listed fintech recognised as one of the best companies to work for ⭐.

As part of a cross-functional team, you’ll design new features, improve scalability and cost efficiency, and ensure our systems perform at the highest level. Beyond code, you’ll mentor teammates, influence technical direction, and contribute to Flywire’s culture of innovation and shared ownership 🤝.

What You’ll Do

• Develop clean, secure, testable, and maintainable code
• Solve challenging bugs and production issues
• Design and support scalable, reliable web applications and distributed systems
• Improve system performance, scalability, and cost-efficiency
• Lead initiatives, contribute to product vision, and collaborate with Product, QA, and SREs
• Support recruitment by helping identify and engage top engineering talent 🎯
• Mentor colleagues and foster a culture of continuous improvement 🌱

What We’re Looking For

• 8+ years of experience in web application development
• Strong expertise in building scalable, performant, and reliable systems
• Proficiency with TDD / BDD, CI / CD, and object-oriented fundamentals
• Solid knowledge of relational databases 🗄️
• Clear appreciation for cross-functional collaboration with Product, QA, and SRE teams
• Excellent communication skills, with fluency in English
• Experience in fintech or payments is a strong plus 💳
• Ability to deliver high-quality code while learning and adapting quickly

Technologies We Use

• Languages : Ruby or Java
• Frontend : React, JavaScript, HTML5, CSS3
• Systems & Databases : Linux, MySQL, MongoDB, Redis, Sidekiq, AMQP, ElasticSearch
• Cloud : AWS ☁️
• Other : Machine Learning 🤖 (in selected projects)

What We Offer :

• Competitive compensation, including Restricted Stock Units
• Employee Stock Purchase Plan (ESPP)
• 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!)