Systems Engineer, Middleware Engineering

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.

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.

We are looking for a Staff Systems Engineer with strong experience in middleware engineering, reverse proxy technologies, Linux systems, REST-HTTP integrations, messaging technologies, and GenAI-enabled engineering practices. This role requires someone who can operate in mission-critical, multi-tenant environments, support quick turnaround needs, and partner closely with SRE teams to safely deliver production changes.

• Overall Responsibility

The Staff Systems Engineer will be responsible for designing, configuring, deploying, and troubleshooting middleware and reverse proxy platforms that support critical enterprise applications.

• Own and support middleware platforms, NGINX, and Apache HTTP Server across lower and production environments.
• Design and operate multi-tenant reverse proxy solutions, especially using NGINX.
• Support mission-critical systems with fast issue resolution and reliable change execution.
• Partner with SRE teams to validate and push changes to production.
• Drive work with a strong focus on ROI, innovation, automation, reliability, and operational efficiency.
• Apply GenAI knowledge, including MCPs, tools, and skills, to improve engineering productivity.
• Maintain strong documentation for configurations, deployments, troubleshooting, and handovers.
• Collaborate with global teams and participate in after-hours sync-up or handover calls at least once per week.
• Key Responsibilities
• Install, configure, maintain, and troubleshoot middleware technologies.
• Configure and support NGINX and Apache HTTP Server for routing, reverse proxying, SSL-TLS, load balancing, redirects, and upstream connectivity.
• Work extensively in Linux environments for deployment, troubleshooting, log analysis, scripting, and service management.
• Support REST APIs, all major HTTP methods, HTTP headers, status codes, authentication flows, and API integration behavior.
• Work with messaging technologies and integration patterns for synchronous and asynchronous communication.
• Support secure integration patterns including mTLS, certificate handling, service-to-service communication, monitoring, and alerting.
• Troubleshoot production issues using logs, metrics, traces, dashboards, and platform telemetry.
• Work with SRE teams on production readiness, change approvals, deployment validation, rollback planning, and post-deployment monitoring.
• Contribute to automation, operational improvements, reusable patterns, and reliability-focused engineering.
• Create and maintain technical documentation, runbooks, configuration guides, deployment steps, and incident notes.
• Demonstrate a positive, collaborative attitude and support cross-geography teamwork.

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

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