Senior Staff Software Engineer (C#, .Net Core, AWS, 15+ years' experience)

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters — to you, to your community, and to the world.

Progress starts with you.

Authorize.net makes it simple to accept electronic and credit card payments in person, online or over the phone. We’ve been working with merchants and small businesses since 1996. As a leading payment gateway, Authorize.net is trusted by more than 445,000 merchants, handling more than 1 billion transactions and USD 149 billion in payments every year.

As a Senior Staff Software Engineer at Authorize.net (a Visa solution), you will be a hands-on technical leader guide the development of major new features by translating complex business problems into technical solutions that resonate with our merchants and partners. You will also drive cross-team projects that standardize our approach to API development and data schemas, ensuring consistent implementation of best practices across the organization.

Beyond features, you will also work on modernization and cloud transformation, working across multiple teams to modernize our systems and use GenAI to deliver innovative online payment solutions. You will be instrumental in containerizing applications, enable process improvements through robust DevOps practices, incorporating comprehensive release management strategies and optimized CI/CD pipelines.

Collaborating with product managers, tech leads, and engineering teams, you will define technology roadmaps, communicate architectural decisions, and mentor engineers in advanced technical approaches. This position requires a solid track record of delivering large-scale, reliable, and secure software solutions. While we prefer C# expertise, knowledge of other modern programming languages is also welcome.

Essential Functions:

• Drives technical direction for key cross-team and cross-product development projects (through solution design documents and hands-on coding of critical modules).
• Establishes software development standards and best practices by providing real-world examples and delivering production-ready code.
• Ensures alignment across all relevant project teams, promoting consistent technical principles, patterns, and standardized frameworks.
• Provides leadership in solution design discussions to ensure solutions align with platform principles and overarching standards.
• Mentors and builds world-class, high-performing engineering and data science teams.
• Applies solution design best practices to increase execution velocity.
• Develops solutions that are inherently secure, robust, scalable, modular, API-centric, and global.
• Influences technology choices and decisions that impact the enterprise.
• Defines deployment approaches in collaboration with peers across the technology organization.
• Optimizes the use of Visa’s platforms and solutions.
• Demonstrates thought leadership through presentations and teaching, supporting broad technical knowledge sharing.
• Contributes to key technology initiatives across Visa and CyberSource.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Basic Qualifications:

• 15+ years of relevant experience with a Bachelor’s Degree, or with an Advanced Degree
• Experience in developing enterprise class, highly scalable products using C#, .Net Core, Java or similar languages.
• Experience building RESTful APIs, Dockers, Containers, Kubernetes.
• Experience with JavaScript, CSS, React.
• Hands-on knowledge of cloud platforms (e.g., AWS, Azure, or GCP) for scalable deployment strategies
• Experience in using GenAI tools in SDLC
• Familiarity with continuous delivery and DevOps practices, including infrastructure automation, monitoring, logging, auditing, and security
• Understanding of integration patterns, API design, and schema standardization for enterprise systems
• Prior exposure to Databases is desired
• Experience with merchant data or payment technology is a strong plus
• Excellent communication skills, with a proven ability to mentor and guide engineering teams on a scale

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.