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Sr. Software Engineer I

Flywire

Flywire

Software Engineering
Cluj-Napoca, Romania
Posted on Aug 28, 2025

Company 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 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.

Job Description

Join Flywire – Help Power the Future of Global Payments
At Flywire, we’re not just moving money—we’re enabling businesses, institutions, and consumers around the world to thrive. Our industry-leading payment engine moves hundreds of millions every day, and as a Sr. Software Engineer I, you’ll be right at the heart of it.

You’ll help design, build, and maintain the platform that makes our payments faster, more cost-efficient, and more scalable. Working with a talented global engineering team, you’ll tackle complex technical challenges, collaborate across disciplines, and deliver solutions with real-world impact.

The Opportunity
We’re looking for an experienced Sr. Software Engineer I, ideally with a FinTech background, to join our team. You’ll work on designing new features, optimising performance, and improving scalability—while keeping quality, security, and maintainability front and centre. This is a hands-on role that combines problem-solving, technical excellence, and collaboration.

What You’ll Do

  • Write clean, secure, testable, and maintainable code.
  • Solve challenging bugs and production issues in complex environments.
  • Analyse problems in depth, evaluate multiple solutions, and implement the best approach.
  • Drive improvements across the full development lifecycle.
  • Ensure applications deliver the highest performance, quality, and responsiveness.
  • Collaborate with Product Managers, QAs, SREs, and stakeholders to shape product vision.
  • Work closely with teams across the globe, understanding their needs and building shared solutions.
  • Support your peers, mentor junior developers, and promote a culture of continuous learning.

Our Culture

  • A global team spanning 3 continents and 4 countries—remote-friendly.
  • Agile, Lean, and Extreme Programming principles guide our work.
  • High team autonomy to organise and deliver on our mission.
  • Active knowledge sharing through internal events and cross-discipline collaboration.
  • Contributions to open-source and local tech communities, including hosting meetups.

Qualifications

What We’re Looking For

  • 4+ years in web application development.
  • Experience building scalable, performant, and reliable distributed systems.
  • Skilled in TDD, BDD, and CI/CD best practices.
  • Strong understanding of OOP and relational databases.
  • Proven ability to work effectively in cross-functional teams.
  • Excellent communication skills in English.
  • Experience in FinTech or payments (preferred).
  • A fast learner with a passion for delivering high-quality code.

Technologies We Use

  • Languages & Frameworks: JavaScript, HTML5, CSS3
  • Databases & Tools: Linux, MySQL, MongoDB, Redis, Sidekiq, AMQP, ElasticSearch
  • Cloud Platform: AWS

Additional Information

What We Offer:

  • Competitive compensation, including Restricted Stock Units
  • 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. #LI-Remote

Flywire is an equal opportunity employer.

#LI-Hybrid