Rafael Bernardo Sathler
Infrastructure Engineer • DevOps • Platform Engineer • AWS/GCP Cloud Architect
Senior Platform Engineer with a proven track record of building and scaling resilient, cloud-native infrastructure for high-traffic systems. I deliver significant business impact through automation and optimization, achieving over $65K in cost savings and 40% efficiency gains. With deep expertise in AWS, GCP, Kubernetes, and CI/CD, I excel at solving complex technical challenges and mentoring engineers to foster a culture of technical excellence. Currently implementing ARM64-optimized GitHub Actions workflows with 70-85% performance improvements and enhanced Context7-powered documentation systems.
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Professional Experience
Platform Engineer
Bluecore2024-08 - 2025-06
Re-platformed observability and future-proofed infrastructure for a high-traffic e-commerce platform.
Re-platformed observability infrastructure: Migrated 300+ Datadog monitors and 150+ dashboards to Chronosphere, reducing monitoring costs by 40% (~$200K annually)
Zero-downtime Kubernetes upgrades: Orchestrated GKE fleet upgrades to v1.32 across multi-region clusters, protecting Black Friday/Cyber Monday revenue
Process optimization: Authored 20+ runbooks and implemented GitOps workflows, reducing patch lead-time by 50% and infrastructure tickets by 30%
Technical mentorship: Provided deep technical guidance to 10+ engineering teams, solving complex infrastructure challenges and driving adoption of best practices
Senior Software Engineer
Uber2023-08 - 2024-08
Drove company-wide migration from Atlassian Bamboo to GitHub Actions, scaling infrastructure to serve 5,000 engineers and 8,000 repos.
Enterprise CI/CD transformation: Led migration of 8,000 repositories from Bamboo to GitHub Actions, scaling 1,000-node GKE runner fleet with 99%+ uptime and <5min job startup SLO
Monorepo at scale: Supported Bazel across the organization, enabling teams to leverage developing toolchains and CI/CD pipelines with GitHub Actions, reducing build times by 60% for 5,000+ engineers
Cost optimization at scale: Implemented Terraform automation and spot-instance strategy, achieving $65K annual savings while reducing median build latency by 40%
Security & compliance: Established audit-grade compliance with automated logging, secret scanning, and SAML enforcement, closing critical audit findings
Platform architecture: Designed and implemented self-service infrastructure platform reducing deployment time from 24+ hours to <4 hours through advanced automation and orchestration
Technical documentation: Authored comprehensive 'CI/CD Playbook' and Bazel optimization guides, becoming the go-to technical resource for platform teams
Solutions Architect
Triumph Technology Solutions LLC2023-04 - 2023-07
Led enterprise AWS cloud transformation and migration projects for Fortune 500 clients.
AWS MAP assessments: Executed comprehensive enterprise cloud migration assessments covering infrastructure analysis, cost optimization, and technical framework design
Microservices architecture: Designed and implemented scalable microservices that reduced component dependencies and improved system scalability by 300%
Hybrid cloud solutions: Developed secure hybrid cloud infrastructure enabling seamless data transfer between on-premise and cloud environments
DevOps strategy: Implemented enterprise DevOps practices that improved system reliability and enabled continuous delivery workflows
Key Projects
Resume-as-Code Platform
World-class resume generation system showcasing enterprise-grade platform engineering and DevOps excellence
Architected comprehensive three-tier CI/CD pipeline: PR Preview (Netlify) → Staging (Netlify) → Production (GitHub Pages)
Implemented Infrastructure-as-Code approach with Docker containerization, multi-stage builds, and cross-platform support (ARM64/AMD64)
Built automated dependency management system with intelligent PR recreation and zero-maintenance updates achieving 99%+ pipeline success rate
Engineered multi-format PDF generation system (Screen/Print/ATS optimized) with Puppeteer achieving 99.5% bandwidth reduction through image optimization
Designed comprehensive testing strategy with 20 viewport/theme combinations, accessibility compliance (WCAG 2.1 AA), and performance monitoring
Created automated release management with Release-Please integration, conventional commits enforcement, and semantic versioning
Implemented enterprise security practices including vulnerability scanning, secret detection, and environment protection rules
Achieved 95+ Lighthouse scores, sub-3-second load times, and comprehensive observability with detailed pipeline monitoring
Self-Service Terraform Platform with Atlantis Integration
Enterprise-grade GitOps platform enabling teams to self-apply Terraform through GitHub PR interface using Atlantis
Built self-service Terraform deployment system using Atlantis enabling 50+ developers to independently manage infrastructure
Integrated Atlantis with GitHub PR workflows for automated Terraform plan/apply via PR comments
Implemented GitOps workflows with Terragrunt and Atlantis allowing teams to apply infrastructure changes seamlessly
Created secure multi-environment promotion pipelines with Atlantis server reducing deployment time from days to minutes
Established governance controls with policy-as-code using Sentinel and OPA integrated with Atlantis workflows
Released v4.2.0 with enhanced industry-standard version management and comprehensive CI/CD pipeline
Multi-Cloud DNS & Hybrid Network Architecture
Designed and implemented hybrid multi-cloud networking with intelligent DNS routing
Architected multi-cloud DNS strategy using AWS Route53 with health checks and failover routing
Built hybrid connectivity between AWS, on-premises data centers, and edge locations
Implemented intelligent traffic routing reducing latency by 35% across 3 geographic regions
Designed disaster recovery with automated DNS failover achieving 99.99% uptime SLA
Created network segmentation with VPC peering and Transit Gateway for secure multi-cloud communication
Infrastructure Automation Toolkit
Collection of Terraform modules and automation scripts for cloud infrastructure
Developed reusable Terraform modules for AWS/GCP multi-cloud deployments
Created monitoring and alerting automation reducing MTTR by 70%
Built cost optimization scripts identifying $200K+ in potential savings
Implemented security scanning and compliance automation for infrastructure-as-code
