Staff DevOps Engineer

WEX; São Paulo; On-site; BRL 300,000 - 420,000; Full time

Job summary

WEX in São Paulo is seeking an experienced Software Development Engineer IV to join its Platform Engineering team. You will design, build, and operate a scalable enterprise PaaS across AWS and Azure, with a focus on developer experience and automation.

You will mentor engineers, influence architectural direction, and champion best practices in CI/CD, IaC, and GitOps while solving complex distributed systems challenges.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• 8+ years of software engineering experience.
• Extensive experience developing applications in Go (preferred), Java, C#, Python, or similar languages.
• Deep experience with Kubernetes in production environments.
• Strong experience with cloud platforms such as AWS and/or Azure.
• Experience building Infrastructure as Code using Terraform.
• Experience with CI/CD platforms such as GitHub Actions, GitLab CI, or Jenkins.
• Experience designing REST APIs and distributed systems.
• Strong understanding of networking, DNS, TLS, load balancing, and cloud infrastructure.
• Experience operating highly available production services.
• Excellent troubleshooting and debugging skills.
• Strong written and verbal communication skills.

Responsibilities

• Design, build, and maintain core capabilities of the enterprise Platform-as-a-Service (PaaS).
• Develop scalable automation using Go, Terraform, Kubernetes, and cloud-native technologies.
• Design and implement reusable platform services that improve developer productivity and reduce operational overhead.
• Build and maintain APIs, operators, controllers, and automation that support platform lifecycle management.
• Drive improvements to platform reliability, scalability, observability, and operational excellence.
• Lead the design and implementation of secure infrastructure aligned with enterprise security and compliance requirements.
• Develop automation for infrastructure provisioning, deployment workflows, secrets management, networking, and platform operations.
• Participate in architecture reviews and provide technical leadership across platform initiatives.
• Troubleshoot complex distributed systems and production issues.
• Partner with Security, Networking, Cloud Infrastructure, and Application Engineering teams to deliver enterprise platform capabilities.
• Mentor junior engineers through design reviews, code reviews, and technical coaching.
• Champion engineering best practices including testing, CI/CD, Infrastructure as Code, and GitOps.

Skills

Go

Python

Java

C#

REST APIs

Education

Bachelor's degree in Computer Science, Engineering, or equivalent

Tools

Terraform

Kubernetes

Docker

Helm

GitHub Actions

ArgoCD

Job description

Position Summary

We are seeking an experienced Software Development Engineer IV to join our Platform Engineering team responsible for designing, building, and operating our enterprise Platform-as-a-Service (PaaS). This role is responsible for developing scalable platform capabilities that enable engineering teams to rapidly build, deploy, and operate secure, compliant, and reliable applications across AWS and Azure.

The ideal candidate is passionate about developer experience, cloud-native technologies, infrastructure automation, Kubernetes, and building reusable platform capabilities that serve hundreds of development teams. This individual will serve as a technical leader, driving engineering excellence while mentoring other engineers and influencing architectural direction across the platform.

Responsibilities

• Design, build, and maintain core capabilities of the enterprise Platform-as-a-Service (PaaS).
• Develop scalable automation using Go, Terraform, Kubernetes, and cloud-native technologies.
• Design and implement reusable platform services that improve developer productivity and reduce operational overhead.
• Build and maintain APIs, operators, controllers, and automation that support platform lifecycle management.
• Drive improvements to platform reliability, scalability, observability, and operational excellence.
• Lead the design and implementation of secure infrastructure aligned with enterprise security and compliance requirements.
• Develop automation for infrastructure provisioning, deployment workflows, secrets management, networking, and platform operations.
• Participate in architecture reviews and provide technical leadership across platform initiatives.
• Troubleshoot complex distributed systems and production issues.
• Partner with Security, Networking, Cloud Infrastructure, and Application Engineering teams to deliver enterprise platform capabilities.
• Mentor junior engineers through design reviews, code reviews, and technical coaching.
• Champion engineering best practices including testing, CI/CD, Infrastructure as Code, and GitOps.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• 8+ years of software engineering experience.
• Extensive experience developing applications in Go (preferred), Java, C#, Python, or similar languages.
• Deep experience with Kubernetes in production environments.
• Strong experience with cloud platforms such as AWS and/or Azure.
• Experience building Infrastructure as Code using Terraform.
• Experience with CI/CD platforms such as GitHub Actions, GitLab CI, or Jenkins.
• Experience designing REST APIs and distributed systems.
• Strong understanding of networking, DNS, TLS, load balancing, and cloud infrastructure.
• Experience operating highly available production services.
• Excellent troubleshooting and debugging skills.
• Strong written and verbal communication skills.

Preferred Qualifications

Experience with one or more of the following technologies:

• Kubernetes Operators
• ArgoCD / GitOps
• HashiCorp Vault
• Helm
• Docker and container technologies
• Prometheus, Grafana, OpenTelemetry
• AWS EKS and Azure Kubernetes Service (AKS)
• Identity and Access Management (SAML, OIDC, OAuth)
• Enterprise security and compliance frameworks (PCI, SOC, HIPAA, SOX)
• Platform engineering and Internal Developer Platforms (IDPs)

What Success Looks Like

The Successful Candidate Will

• Deliver reusable platform capabilities that accelerate software delivery across the enterprise.
• Reduce manual operational work through automation.
• Improve platform reliability, scalability, and developer experience.
• Drive technical decisions that balance security, compliance, operational excellence, and developer productivity.
• Mentor engineers and raise the overall technical maturity of the Platform Engineering organization.
• Act as a trusted technical leader for cross-functional initiatives involving cloud infrastructure, security, networking, and application engineering.

Technical Skills

Programming

• Go
• Python
• Java or C#
• REST APIs

Cloud & Infrastructure

• AWS
• Azure
• Kubernetes
• Terraform
• Docker
• Helm

DevOps & Platform

• GitHub Actions
• ArgoCD
• GitOps
• Infrastructure as Code
• CI/CD Automation

Observability

• Grafana
• Prometheus
• OpenTelemetry
• Logging and Monitoring

Security

• HashiCorp Vault
• Secrets Management
• IAM
• SAML/OIDC
• Enterprise Security Best Practices