Sr. SW Engineer

The Senior Software Engineer designs, builds, and supports secure, scalable solutions for Visa’s Acceptance Solutions platform, focusing on transaction processing platforms. This hands-on role (60-75% coding) works with cross-functional teams to deliver reliable technology solutions while leveraging Generative AI and modern cloud-native practices.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

• 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience., * 3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
• Minimum 2 years of experience in software engineering or technology delivery.
• Experience developing backend, web-based, or integration-focused applications.
• Experience designing, building, and testing APIs, web services, or microservices.
• Proficiency in at least one modern programming language (Java, Python, JavaScript, TypeScript, Go, or Kotlin).
• Experience with REST APIs, OpenAPI/Swagger, JSON, and API-first development.
• Experience with system design, debugging, code reviews, and production support.
• Experience with Git, CI/CD pipelines, and modern developer tools.
• Ability to use AI-assisted development tools (GitHub Copilot, ChatGPT, agentic AI) effectively.
• Experience with event processing and transaction lifecycle
• Expertise in event-driven architecture and event streaming platforms (Kafka)
• Experience building enterprise-scale APIs, microservices, or integration platforms.
• Experience with cloud platforms (AWS, Azure, Google Cloud Platform), Docker, Kubernetes, and Terraform.
• Experience with event-driven architecture using Kafka, RabbitMQ, or similar message queues.
• Experience with authentication/security (OAuth 2.0, OpenID Connect, JWT, mTLS, encryption).
• Experience with observability tools (Splunk, Datadog, Grafana, Prometheus, OpenTelemetry).
• Experience with automated testing, contract testing, performance testing, or service virtualization.
• Experience in regulated industries (fintech, payments, banking, financial services).
• Experience implementing Generative AI, agentic AI workflows, or intelligent automation.
• Experience mentoring junior engineers and collaborating with cross-functional teams.
• Knowledge of payment capture processing and event enrichment
• Experience with file transfer protocols (SFTP) and batch processing
• Understanding of payment network protocols (Visa, Mastercard, Amex)
• Experience with event correlation and transaction matching
• Knowledge of retry mechanisms, dead-letter queues, and event replay
• Experience with data serialization formats (Avro, Protobuf, JSON)
• Understanding of exactly-once processing and idempotency patterns

Information for US Applicants :For roles located in the US, the estimated salary range for this position is $110,700.00 to $ 171,800.00 USD per year, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity.Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401(k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.

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.