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# Software Engineer (Mid-Level)

- **Company:** Visa
- **Location:** Slough, UK
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), .NET Framework, Agile Methodology, Artificial Intelligence, C Sharp (Programming Language), C++ (Programming Language), Computer Programming, Databases, Relational Databases, DevOps, JSON, Python (Programming Language), Apache Maven, NoSQL, Scrum Methodology, Systems Development Life Cycle, OpenAI, Azure Machine Learning, Scala (Programming Language), Software Engineering, Software Systems, Web Applications, Microsoft Power Automate, GitHub Copilot, Large Language Models, Deep Learning, Backend, Agentic-AI, Git, Information Technology, Front End Software Development, Claude, Golang, Programming Languages, Microservices
- **Published:** October 11, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/software-engineer-mid-level/51264407

## About the Role

Builder: Experience building and deploying modern services and web applications with quality and scalability
Learner: Constant drive to learn new technologies such as coding with GenAI, new backend, front-end, test and devops technologies.
Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams
This is a hybrid position. Expectation of days in the office will be confirmed by your Hiring Manager. Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager., Bachelor's Degree or an Advanced Degree (e.g. Masters, MBA, JD, MD, or PhD) in Computer Science, or related technology/engineering discipline., Experience in developing agentic solutions using Cline, Claude, GitHub Copilot, Power Automate etc.
Experience in Software Development with Agile and full SDLC using programming languages such as (e.g., Java, GO, Python, Scala, Java scripts, .Net) etc.
Development experience in building and using Microservices with HTTP, REST, JSON.
Experience with a Relational database and/or NoSQL database.
Proficient in GIT/Stash, Maven and

## Description

Visa's Technology Organizationis a collaborative community of problem solvers and innovators dedicated to reshaping the future of commerce. We operate the world's most sophisticated processing networks as the leader in digital payments, supporting up to 65,000 secure transactions per second across a global network of over 100 million merchant locations and nearly 15,000 financial institutions, empowering billions of cardholders worldwide.
The Opportunity:
We are looking for dedicated, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale. As a Senior Software Engineer at Product Reliability Engineering team, you will be an integral part of a multi-functional full stack engineering team inventing, designing, building, and testing agentic solutions and software products that will operate at global scale to predict and prevent real time reliability challenges in a rapidly evolving technology environment at Visa's scale. You will get to see how your efforts shaping the digital future of fintech transactions and ensuring a reliability of % and beyond.
The Work itself:
Build Agentic Solutions using world's most advanced LLM models from Anthropic, OpenAI and others
Build Deep Learning solutions using AI/ML Platforms for real time transactions at a scale of 100K+ TPS and for peta bytes of Data.
Design code and systems that touch 40% of the world population while influencing Visa's internal standards for scalability, security, and reusability
Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for Visa's commercial products and services.
Actively contributes to product reliability improvements, valuable service technology, and new operations flows in diverse agile squads
Opportunities to make a difference on a global or local scale through mentorship and continued learning and experiments.
Essential Functions:
Demonstrates in-depth technical proficiency to accurately interpret and address project requirements.
Identifies and contributes to the development and solution strategies to team members that improve the design and functionality of interface features across one or more project features, under minimal guidance.
Collaborates with others to support the piloting of new technology capabilities and features that enhance the customer experience across commercial products.
Supports ongoing innovation by developing scalable, maintainable, and efficient systems aligned with organizational objectives and global technology standards.
The Skills You Bring:
Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale
Challenge the Status Quo: Comfort in pushing the boundaries, 'hacking' beyond traditional solutions
Language Expertise: Expertise in anyone programing language (e.g., Java, C#, C++, GO, Python, Scala, Java scripts, .Net)