Senior Software Engineer II, Payments Platform (Back End)

Job Description

The Opportunity: 

This is a senior technical leadership role on our Payments Platform team. You will be a go-to engineer and technical decision-maker, driving architecture, automation, and platform reliability at scale. You will influence how Flywire's treasury and FX systems evolve globally, while mentoring and levelling up the team around you.

What You'll Do

• Architect and deliver scalable, reliable solutions across treasury, FX, and payment processing systems
• Lead technical design discussions and drive decisions with long-term platform impact in mind
• Partner with Product, SRE, and global stakeholders to translate complex requirements into robust engineering outcomes
• Champion automation and optimization initiatives that eliminate manual effort and reduce operational risk
• Establish and uphold engineering best practices: code quality, security, testability, and observability
• Mentor and coach junior and mid-level engineers; conduct technical interviews and support team growth
• Own resolution of complex production issues and drive post-mortems with actionable outcomes
• Proactively identify and address performance bottlenecks and scalability risks

Qualifications

Here’s What We’re Looking For:

• 8+ years of professional software engineering experience
• Demonstrated expertise in designing and building distributed, high-throughput systems
• Deep knowledge of TDD, BDD, and CI/CD practices
• Strong command of OOP principles and clean code practices
• Experience with relational databases (MySQL, PostgreSQL) and caching/messaging systems
• Proven cross-functional collaboration skills across QA, Product, SRE, and business stakeholders
• Strong communication skills and ability to influence technical direction

Nice to Have

• Experience in FinTech, payments, compliance, risk & fraud, treasury or FX systems
• Familiarity with AWS infrastructure and cloud-native design patterns
• Prior experience in a tech lead or staff engineer capacity

Technologies We Use ⚙️

Ruby · Java · HTMX · MySQL · PostgreSQL · Redis · AMQP · OpenSearch · Docker · Linux · AWS

Additional Information

What We Offer:

• Competitive compensation
• 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!)

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 and follows a policy of administering all employment decisions and personnel actions without regard to race, colour, religion, sex, pregnancy, gender identity, national origin, age, ancestry, physical or mental disability, sexual orientation, genetic disposition or carrier status, veteran status, or any other category protected under applicable national, federal, state or local law.

#Li-Hybrid