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# Software Engineer at Visa

- **Company:** Visa
- **Location:** Cardiff, UK
- **Contract:** Internship / Graduate position
- **Skills:** C (Programming Language), Java (Programming Language), Application Programming Interfaces (APIs), Automation of Tests, C++ (Programming Language), Software Quality, Code Review, Continuous Integration, Data Structures, Programming Tools, Python (Programming Language), Scrum Methodology, Software Construction, Software Engineering, GitHub Copilot, Claude Code, Generative AI, Agentic-AI, Information Technology, Free and Open-Source Software, Programming Languages
- **Published:** November 7, 2026
- **Apply:** https://www.totaljobs.com/job/software-developer/visa-europe-main-account-job108295992

## About the Role

+ Work experience or a Bachelor's Degree, + Bachelor's Degree in Computer Science, Electronics/Electrical Engineering, Information Technology, or a related technical field.
 + Strong understanding of programming fundamentals (e.g., data structures, algorithms, problem-solving).
 + Familiarity with at least one modern programming language such as Go, Java, C, C++, Python, or similar.
 + Curiosity, willingness to learn, and ability to quickly absorb new technical concepts.
 + Strong communication and collaboration skills, with a positive, team-focused attitude.
 + Nice-to-Have Skills
 + Prior coding experience through internships, academic projects, hackathons, open-source contributions, or personal projects.
 + Experience using agentic AI coding assistants (e.g., GitHub Copilot, Claude Code, Cline).
 + Interest in using GenAI models through APIs or SDKs for developer tooling or automation tasks.

## Description

* Visa is a world leader in digital payments, facilitating more than 215 billion payments transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories each year., + This role offers an excellent opportunity to begin your career in software engineering while gaining deep exposure to the payments industry and modern cloud-native technologies used across OVN. You will work as part of a scrum team delivering new features, supporting production systems, and participating in Visa's strategic adoption of Generative AI across the entire engineering lifecycle.
 + Previous development experience (internships, projects, part-time work) is optional but a strong plus. What matters most is your curiosity, willingness to learn, and passion for building high-quality software.
Key Responsibilities

 + Contribute to the development of new features within the OVN authorization platform using Go and Visa's internal tooling.
 + Participate in requirements analysis, design discussions, coding, testing, and deployment activities as part of an agile delivery team.
 + Learn and apply Visa's proprietary rules language and real-time payment processing concepts to support the evolution of the authorization engine.
 + Assist with production system monitoring and support activities to ensure platform stability and reliability.
 + Collaborate with senior engineers, architects, and payment domain experts across multiple geographies.
 + Use software engineering best practices, including code reviews, automated testing, continuous integration, and documentation.
 + Engage with Visa's Generative AI tools and initiatives, using agentic AI coding assistants to improve productivity and code quality.
 + Demonstrate a willingness to grow into the payment industry domain, learning ISO transaction formats and authorization flows.
This is a hybrid position. Expectation of days in the office will be confirmed by your Hiring Manager.