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

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

London Full-Time 36000 - 60000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Design and build scalable code for a global payments platform.
  • Company: Join Flywire, a leading global payments enablement company.
  • Benefits: Competitive pay, stock options, wellness programs, and flexible work arrangements.
  • Why this job: Make a real impact on global money movement and automation.
  • Qualifications: 8+ years in software engineering with FinTech experience preferred.
  • Other info: Dynamic team culture with opportunities for growth and collaboration.

The predicted salary is between 36000 - 60000 £ per year.

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.

Location: London with Hybrid / Remote Options too

The Opportunity: 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 — ideally with a background in FinTech — 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 automation in payment processing (from 0 to 80%), reduce manual effort in FX trading, and deliver clear visibility into significant yearly savings. By automating and optimising processes, you'll enable our Payments Operations team to focus on higher-value, ROI-driven work — multiplying your impact across the business.

What You'll Do:

  • Design, build, and maintain clean, secure, testable, and scalable code
  • Resolve challenging bugs and production issues, ensuring reliability of the global platform
  • Evaluate complex technical problems, using sound judgement to select the right methods and approaches
  • Improve performance and scalability of our systems as we expand worldwide
  • Drive automation initiatives that reduce manual effort and unlock measurable business savings
  • Collaborate with Product Managers and stakeholders to shape product vision and deliver real business value
  • Mentor teammates and take initiative in leading technical projects
  • Support recruitment efforts by helping identify and inspire great engineering talent

What We're Looking For:

  • 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, React
  • Cloud: AWS

Why Join Us? At Flywire, you'll have the freedom to innovate, the scale to make a global impact, and the support of a culture that values collaboration, curiosity, and excellence. Every line of code you write helps power the movement of money across borders — making payments faster, smarter, and more efficient worldwide.

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
  • 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.

Senior Software Engineer II, Payments Platform (FX) in London employer: Flywire

At Flywire, we pride ourselves on being a leading global payments enablement and software company that fosters a vibrant work culture centred around collaboration, innovation, and personal growth. As a Senior Software Engineer II in London, you'll enjoy competitive compensation, comprehensive wellbeing programmes, and the opportunity to make a significant impact on global money movement while working alongside a diverse team of talented professionals. With flexible hybrid and remote options, we empower our FlyMates to thrive both personally and professionally, making every contribution count.
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Contact Detail:

Flywire Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Software Engineer II, Payments Platform (FX) in London

✨Tip Number 1

Network like a pro! Reach out to current FlyMates on LinkedIn or at events. Ask them about their experiences and what they love about working at Flywire. This can give you insider info and maybe even a referral!

✨Tip Number 2

Prepare for the interview by brushing up on your technical skills. Review common coding challenges and be ready to discuss your past projects. Show us how your experience aligns with Flywire's mission in payments!

✨Tip Number 3

Don’t just focus on the technical stuff; show us your passion for FinTech! Be ready to talk about trends in the industry and how you can contribute to Flywire’s innovative approach to payments.

✨Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining the Flywire team. Let’s make this happen!

We think you need these skills to ace Senior Software Engineer II, Payments Platform (FX) in London

Software Engineering
Distributed Systems
Test-Driven Development (TDD)
Behaviour-Driven Development (BDD)
Continuous Integration/Continuous Deployment (CI/CD)
Relational Databases
Object-Oriented Design
Collaboration Skills
FinTech Experience
Payments Industry Knowledge
Frontend Development (HTMX, React)
Cloud Services (AWS)
Problem-Solving Skills
Automation Initiatives
Mentoring and Leadership

Some tips for your application 🫡

Show Your Passion: When writing your application, let your passion for software engineering and the payments industry shine through. We want to see your excitement about the role and how you can contribute to our mission at Flywire!

Tailor Your CV: Make sure to customise your CV to highlight relevant experience that aligns with the job description. We love seeing how your background in FinTech or software engineering can bring value to our Payments Platform.

Be Clear and Concise: Keep your application clear and to the point. We appreciate well-structured applications that make it easy for us to see your skills and experiences without wading through unnecessary fluff.

Apply Through Our Website: Don’t forget to apply through our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re serious about joining our team!

How to prepare for a job interview at Flywire

✨Know Your Tech Stack

Make sure you’re well-versed in the technologies mentioned in the job description, especially around scalable systems and cloud services like AWS. Brush up on your knowledge of TDD, BDD, and CI/CD practices, as these will likely come up during technical discussions.

✨Showcase Your Problem-Solving Skills

Prepare to discuss specific challenges you've faced in previous roles, particularly those related to payment processing or FinTech. Use the STAR method (Situation, Task, Action, Result) to structure your answers and highlight how you resolved complex issues.

✨Demonstrate Collaboration

Since collaboration is key at Flywire, be ready to share examples of how you’ve worked with cross-functional teams. Talk about your experiences collaborating with Product Managers, QA, and other stakeholders to deliver impactful projects.

✨Ask Insightful Questions

Prepare thoughtful questions that show your interest in the company and the role. Inquire about their current challenges in payment automation or how they envision the future of their payments platform. This not only shows your enthusiasm but also helps you gauge if it’s the right fit for you.

Senior Software Engineer II, Payments Platform (FX) in London
Flywire
Location: London

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