Staff SW Engineer

Visa•Bellevue, WA

7d•$134,500 - $214,700•Hybrid

About The Position

The Staff Software Engineer is a senior technical leader responsible for designing, building, and evolving secure, scalable solutions for Visa's Acceptance Solutions platform, focusing on transaction processing platforms. This hands-on role (60-75% coding) provides technical direction across architecture, API strategy, integration patterns, and engineering standards while leveraging Generative AI and agentic AI to improve productivity and quality. Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Requirements

5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.
Proficiency in modern programming languages (Java, Python, JavaScript, TypeScript, Go, or Kotlin).
Experience with system design, architecture, debugging, troubleshooting, and production support.
Ability to use AI-assisted tools (GitHub Copilot, ChatGPT, agentic AI) and establish safe AI practices.

Nice To Haves

6 or more years of work experience with a Bachelor's Degree or 4 or more years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD.
Experience in software engineering, technology delivery, or a directly related field.
Experience designing, building, and supporting APIs, web services, microservices, or enterprise integration services.
Experience in a technical leadership role (with or without direct reports).
Strong experience with API-first design, REST, OpenAPI, JSON, webhooks, and event-driven architecture.
Experience with cloud platforms (AWS, Azure, GCP), Docker, Kubernetes, and infrastructure as code.
Deep understanding of payment event processing and transaction lifecycle
Experience with Payments clearing and payment message formats
Expertise in event-driven architecture and event streaming platforms (Kafka)
Knowledge of payment capture processing and event enrichment
Experience building enterprise-scale distributed systems, APIs, or integration platforms.
Experience with event-driven architecture using Kafka, message queues, event streaming, or workflow orchestration.
Experience with authentication/authorization (OAuth 2.0, OpenID Connect, JWT, SAML, mTLS, IAM).
Experience with observability and reliability (Splunk, Datadog, Grafana, OpenTelemetry, SLOs).
Experience with automated testing, contract testing, performance testing, and API certification.
Experience in product development within regulated industries (fintech, payments, banking).
Experience implementing Generative AI, agentic AI workflows, RAG, or intelligent automation.
Experience with PCI-DSS, SOX, or financial services compliance requirements.
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

Responsibilities

Designing, building, and evolving secure, scalable solutions for Visa's Acceptance Solutions platform, focusing on transaction processing platforms.
Providing technical direction across architecture, API strategy, integration patterns, and engineering standards.
Leveraging Generative AI and agentic AI to improve productivity and quality.
Debugging, troubleshooting, and production support.
Collaborating with cross-functional teams to deliver secure and scalable solutions.
Mentoring engineers and driving engineering standards across teams.