Software Engineer II, Payments Platform

Flywire is actively adopting AI across the business, including within Engineering. This role is suited to someone who is curious about modern development practices, interested in how AI can improve engineering effectiveness and keen to keep learning as technology evolves.

Role Focus

Depending on final team placement, the role may lean backend or full stack, so we are open to candidates with:

• backend experience
• full stack experience
• experience in other programming languages
• strong software engineering fundamentals
• the ability to learn new technologies quickly
• curiosity around AI, LLMs and agentic development tools

You’ll work with modern engineering teams across Java, Ruby, React, AWS, distributed systems, LLMs and agentic AI tools. You do not need prior experience with this exact stack. We’re open to engineers from other programming backgrounds who have strong fundamentals and are comfortable learning new tools and technologies.

What You’ll Do

• Build, maintain and improve services that support high volume payment systems
• Write clean, testable and maintainable code
• Contribute to new features and improve existing functionality
• Support the reliability, performance and security of our platform
• Investigate technical issues and help resolve production problems
• Use data, product context and technical judgement to make good engineering decisions
• Collaborate with Product Managers, Designers, QA, SRE and Engineers across global teams
• Learn from experienced engineers while contributing to good engineering practices within the team
• Explore how AI enabled tools can support engineering productivity, quality and problem solving

What we’re looking for

• Around 2 years’ experience in software or application development
• Strong software engineering fundamentals, ideally with experience in backend or full stack development
• Experience building or working with APIs, web services or REST based architecture
• Good understanding of object oriented design or similar programming principles
• Some exposure to relational databases
• Interest in scalable systems, cloud platforms and reliability
• Ability to learn new languages, frameworks and tools
• Curiosity around AI adoption, LLMs and modern engineering workflows
• Comfortable working in a cross functional product engineering environment
• Strong communication skills and fluent English
• Product minded approach, with an interest in how engineering decisions impact customers and the business
• FinTech or payments experience is desirable but not required
• Based in Valencia or open to relocating to Valencia from another city in Spain

Tech stack you’ll work with

Backend: Java, Ruby
Frontend: React, JavaScript, HTML5, CSS3
Databases & systems: Linux, MySQL, MongoDB, Redis, Sidekiq, AMQP, Elasticsearch
Cloud: AWS
Version control & CI/CD: GitLab
Agentic AI: Claude Code, Cursor, LLMs and AI enabled development workflows

We Offer:

• Competitive compensation
• 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.

Flywire is an equal opportunity employer.

#LI-Hybrid