Join Flywire as a Fly-tern in Valencia this summer, where you will be embedded within the Platform delivery team working on high-impact projects that involve building software for global payments. As a 4th-year student in Computer Science or related fields, you will leverage React and JavaScript/TypeScript for frontend development or Ruby and Java for backend logic, while also utilizing AI tools like Claude Code and Codex to enhance your coding efficiency. You’ll work on critical components such as payer services, core money movement, and banking integrations, ensuring that the systems are robust and scalable. This role requires a strong understanding of data structures, SQL, and test-driven development practices, along with fluency in Spanish and English for seamless collaboration within Flywire’s global network.
Skills
React
Ruby
Rails
Java
Spring Boot
PostgreSQL
MySQL
RabbitMQ
Claude Code
CodexCursor
GitLab CI
AWS
TDD
JavaScript
TypeScript
CSS3
What you'll do
Develop high-performance user interfaces using React for payer services.
Build backend logic in Ruby or Java to handle global money movement.
Integrate APIs to connect Flywire with financial institutions worldwide.
Utilize AI tools like Claude Code and CodexCursor to enhance development.
Work on a specific, high-impact project designed for the 6-week internship.
Receive daily technical guidance from a senior engineer through pair programming.
What we're looking for
Current student in 4th year of Bachelor’s Degree in Computer Science or related field.
Familiarity with React for frontend projects or Ruby/Java for backend projects.
Experience working with AI development tools like Claude Code and CodexCursor.
Strong understanding of data structures, SQL, and agentic development practices.
Fluency in Spanish and strong command of English for global collaboration.
Interest in large-scale systems, clean code, testing (TDD), and developer tooling.
Market check
Salary context
This listing doesn't show a salary. Similar roles on FindRole typically pay
$138,000–$225,100.
Peer median band
$138,000–$225,100
Median floor and ceiling across peers.
Typical midpoint (25–75%)
$154,637–$213,125
Middle half of comparable postings.
Based on 240 comparable postings.*
* 240 is the maximum number of comparable postings sampled.
Employer
About Flywire
Flywire is a global payments enablement and software company specializing in high-stakes, complex payment verticals including education, healthcare, travel, and B2B, processing international payments across 240 countries. Industry: Financial Technology & Global Payments
Flywire currently has
19 open roles
on FindRole.
Listed pay typically runs
$134,610–$167,500
across 6 roles with salary data.
React
Ruby
Rails
Java
Spring Boot
PostgreSQL
MySQL
RabbitMQ
Claude Code
CodexCursor
GitLab CI
AWS
JavaScript
TypeScript
TDD
Agentic development tools
CI/CD
AWS
React
Java
Ruby
GitLab
Claude Code
MySQL
MongoDB
Redis
ElasticSearch
Linux
REST
Agentic AI
CI/CD
Observability
Object-Oriented Design
Distributed Systems
Cloud Platforms