Senior Software Engineer II, Payments Platform (Treasury & FX) in London

Senior Software Engineer II, Payments Platform (Treasury & FX)
Full-time

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.

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.

Senior Software Engineer II, Payments Platform (Treasury & FX)

Work for a global payments leader, consistently ranked one of the best companies to work for .

At Flywire, we\’re building and scaling the core platform that powers global money movement — processing hundreds of millions every day for clients across industries. We\’re looking for an experienced Senior Software Engineer II to play a pivotal role in strengthening the very heart of our payments engine.

Your work won\’t just be about clean code: it will drive end-to-end optimization and automation in payment processing, reduce manual effort in treasury management and FX trading, and deliver significant business impact.

What You\’ll Do

Collaborate with Product Managers and stakeholders to shape product vision and deliver real business value

Drive automation and optimization initiatives that reduce manual effort and unlock measurable business impact

Evaluate complex technical problems, using sound judgement to select the right methods and approaches

Design, build, and maintain clean, secure, testable, and scalable code

Improve performance and scalability of our systems as we expand worldwide

Resolve challenging bugs and production issues, ensuring reliability of the global platform

Mentor teammates and take initiative in leading technical projects

Support recruitment efforts by helping identify and inspire great engineering talent

8+ years of experience in professional software engineering.

Proven experience with scalable, performant, and reliable distributed systems.

Strong background in TDD, BDD, CI/CD practices.

Understanding of relational databases.

Strong fundamentals in object-oriented design.

Excellent collaboration skills across functions (QA, Product, SRE, Stakeholders).

A passion for delivering high-quality code and a mindset of continuous learning.

FinTech or payments industry experience is a major plus.

Frontend: HTMX

Cloud: AWS

* Don\’t worry if you haven\’t used all (or any of) these technologies. We value smart people who are quick learners.

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.

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