Full-Stack .NET Developer 🚀 | DevSecOps Expert ☸️
35% Faster TTM • 3x ROI • -38% CVEs • 99.95% Uptime
Building Secure, Scalable & High-Performance Solutions 🌍
|
⚡ 35% Faster Time-to-Market 5+ years proven |
💰 3x ROI Delivered Value Fintech & SaaS |
🛡️ -38% CVEs Security First Production |
🖥️ 99.95% Uptime SLA High availability |
const gabrielGringo: DevSecOpsEngineer = {
// Personal Identity
name: "Gabriel Lima Ferreira",
nickname: "Gringo",
pronouns: "He" | "Him",
location: "Rio de Janeiro, Brazil 🇧🇷",
languages: ["Portuguese (Native)", "English (Fluent)", "Spanish (Fluent)"],
timezone: "GMT-3 (BRT)",
// Professional Profile
company: "RET Consultoria (Automação & Software)",
role: "Full-Stack .NET Developer | DevSecOps Expert",
email: "[email protected]",
experience: "5+ years",
availability: "Open to remote opportunities worldwide",
// Primary Tech Stack
technologies: {
backend: ["C#/.NET Core 8", "Node.js/NestJS", "Java 21/Spring Boot 3", "Python/FastAPI"],
frontend: ["TypeScript", "React 18", "Next.js 14", "Angular 17", "Vue 3"],
databases: ["PostgreSQL", "MongoDB", "Redis", "MySQL", "Elasticsearch"],
messageQueue: ["Apache Kafka", "RabbitMQ", "AWS SQS", "Azure Service Bus"],
cloudDevOps: ["AWS", "Azure", "Kubernetes", "ArgoCD", "Docker", "Terraform"],
monitoring: ["Prometheus", "Grafana", "Datadog", "New Relic", "Sentry"],
security: ["Snyk", "Trivy", "SonarQube", "OWASP ZAP", "HashiCorp Vault"]
},
// Core Expertise Areas
specializations: {
devSecOps: "SAST/DAST | SLSA 3 | Zero Trust | Supply Chain Security | -38% CVEs",
performance: "35% faster TTM | 100/100 Lighthouse | 99.95% uptime | Sub-100ms APIs",
architecture: "Microservices | Event-Driven | CQRS | DDD | Service Mesh | Cloud-Native",
security: "Offensive Security | Penetration Testing | OWASP Top 10 | Cascavel Framework",
cloudNative: "AWS-Kubernetes-ArgoCD | Multi-Cloud | Serverless | Edge Computing",
observability: "Distributed Tracing | APM | Log Aggregation | Incident Response"
},
// Real Achievements (100% Verified)
achievements: {
roi: "3x ROI for fintech & SaaS clients",
cascavel: "9★ | 12 countries | 500+ downloads",
cotacaoPRO: "100/100 Lighthouse score | Perfect PWA",
apiSpring: "90% test coverage | A-grade SonarQube",
certifications: "30+ international (AWS, Kubernetes, Security, DevOps)",
uptime: "99.95% production availability across all projects",
security: "-38% CVEs eliminated through automated SAST/DAST pipelines",
delivery: "35% time-to-market reduction over 5+ years"
},
// 2025 Strategic Focus
currentFocus: [
"🔐 Advanced Cloud Security & Zero Trust Architecture",
"🤖 AI/ML Integration in Production Environments",
"☸️ Kubernetes at Scale with GitOps (ArgoCD)",
"⚡ Edge Computing & WebAssembly Performance",
"🌍 Global SaaS Products for International Markets"
],
// Professional Philosophy
principles: {
code: "Clean Code, SOLID, DRY - No compromises on quality",
security: "Security by Design, not as an Afterthought",
delivery: "High Ownership & Transparent Communication",
growth: "10+ hours/week continuous learning & staying cutting-edge",
collaboration: "Open source contributor & knowledge sharing advocate"
},
// Personal Touch
funFact: "I debug faster with coffee ☕ than without! (scientifically unproven 😄)",
hobbies: ["Guitar 🎸", "Specialty Coffee ☕", "Sci-fi Books 📚", "CrossFit 🏃", "Photography 📷"]
};
💡 Building secure, scalable & high‑performance solutions
🌍 Serving clients globally in 3 languages
🎯 Always learning, always improving
🎯 Production-Grade Technologies I Work With Daily
|
Real Achievement: -38% CVEs Eliminated in Production 🔐 Security-First Engineering:
✅ OWASP Top 10 Compliance & Automated Remediation
✅ Container Security (Trivy, Snyk, Clair, Aqua)
✅ SAST/DAST Integration (SonarQube, OWASP ZAP, Checkmarx)
✅ SLSA Level 3 Supply Chain Security (Signed Artifacts)
✅ Zero Trust Architecture Implementation
✅ Infrastructure as Code Security Scanning (Terraform, CloudFormation)
✅ Secrets Management (HashiCorp Vault, AWS Secrets Manager)
✅ Penetration Testing & Vulnerability Assessment
✅ Cascavel Offensive Security Framework (12 Countries)
✅ Compliance Automation (SOC2, ISO27001, GDPR, HIPAA)
🎯 Production Security Tools:
• SAST: SonarQube, Snyk Code, Semgrep
• DAST: OWASP ZAP, Burp Suite, Nuclei
• SCA: Snyk, Dependabot, WhiteSource
• Container: Trivy, Clair, Aqua Security
• Secrets: Vault, AWS Secrets, Sealed SecretsReal Results Achieved:
|
Real Achievement: 35% Time-to-Market Reduction Over 5+ Years 🚀 Proven Speed & Optimization:
✅ 35% Time-to-Market Reduction (5+ Years Proven Track)
✅ 100/100 Lighthouse Score (Cotação PRO - Perfect PWA)
✅ 99.95% Uptime SLA (AWS-Kubernetes-ArgoCD Stack)
✅ Database Query Optimization (N+1 Elimination, Indexing)
✅ Advanced Caching Strategies (Redis, CDN, Edge, Multi-Tier)
✅ Real-time Performance Monitoring (APM, Profiling)
✅ Load Testing & Capacity Planning (K6, Artillery, JMeter)
✅ Edge Computing & Serverless Architecture
✅ API Response Time < 100ms (P95 Percentile)
✅ Core Web Vitals Optimization (LCP, FID, CLS)
⚡ Performance Stack:
• Monitoring: Datadog, New Relic, Prometheus
• Caching: Redis, Memcached, Varnish, CloudFront
• Load Testing: K6, Artillery, Gatling, JMeter
• Profiling: Chrome DevTools, WebPageTest, Lighthouse
• CDN: CloudFront, Cloudflare, FastlyProven Track Record:
|
|
Real Achievement: 99.95% Uptime Across All Production Systems 🎯 Production-Proven Architecture Patterns:
✅ Microservices Architecture (AWS-Kubernetes-ArgoCD)
✅ Event-Driven Systems (Kafka, RabbitMQ, AWS SQS/SNS)
✅ Domain-Driven Design (DDD) & Bounded Contexts
✅ CQRS & Event Sourcing Patterns
✅ API Gateway & Backend for Frontend (BFF)
✅ Service Mesh Implementation (Istio, Linkerd, Consul)
✅ High Availability Design (99.95%+ uptime SLA)
✅ Multi-Cloud Strategy (AWS, Azure, Hybrid)
✅ Database per Service Pattern
✅ Circuit Breaker & Retry Policies (Resilience4j, Polly)
🏗️ Architecture Patterns:
• Distributed: Microservices, Event-Driven, CQRS
• Resilience: Circuit Breaker, Retry, Bulkhead, Timeout
• Scalability: Horizontal Scaling, Auto-Scaling, Load Balancing
• Data: Database per Service, Event Sourcing, SAGA
• API: Gateway, BFF, GraphQL Federation, gRPCBattle-Tested in Production:
|
Real Achievement: 90% Test Coverage Maintained in Production ✅ Testing Excellence & Quality Automation:
✅ 90% Test Coverage Maintained (ApiSpring Production)
✅ TDD/BDD Methodologies (Red-Green-Refactor Cycle)
✅ E2E Testing (Cypress, Playwright, Selenium WebDriver)
✅ Integration Testing (Testcontainers, Docker Compose)
✅ Unit Testing (Jest, Vitest, JUnit 5, NUnit, xUnit)
✅ Performance Testing (K6, Artillery, JMeter, Gatling)
✅ Security Testing (SAST/DAST, Penetration, Fuzzing)
✅ Mutation Testing (Stryker, PIT)
✅ Contract Testing (Pact, Spring Cloud Contract)
✅ Visual Regression Testing (Percy, Chromatic)
🧪 Testing Stack:
• Unit: Jest, Vitest, JUnit, NUnit, pytest
• E2E: Cypress, Playwright, Selenium, TestCafe
• API: Postman, REST Assured, Supertest
• Load: K6, Artillery, Gatling, Locust
• Quality: SonarQube, CodeClimate, CodacyReal-World Testing Achievements:
|
💼 Delivering Exceptional Value Across Fintech, SaaS & Cybersecurity Industries
| Metric | Achievement | Evidence Source | Impact Area |
|---|---|---|---|
| ⚡ Time-to-Market | -35% | Production Metrics (5+ years) | Delivery Speed |
| 💰 ROI | 3x | Business Results | Fintech & SaaS |
| 💡 Lighthouse | 100/100 | Cotação PRO Project | Performance |
| 🔐 Security | -38% CVEs | SAST/DAST Pipelines | Production Systems |
| ☸️ Uptime | 99.95% | AWS-K8s-ArgoCD | High Availability |
| ⭐ Open Source | Cascavel 9★ | GitHub Repository | 12 Countries |
| 📜 Certifications | 30+ | AWS, Kubernetes, Security | Professional Growth |
| 🚀 CI/CD | SLSA 3 | Signed Pipelines | Supply Chain Security |
| 📊 Test Coverage | 90% | ApiSpring Platform | Quality Assurance |
| 🌎 Languages | Trilingual | PT, EN, ES | Global Reach |
| 🎯 API Performance | < 100ms | P95 Response Time | Sub-Second APIs |
| 🔄 Deployment Freq | Daily | GitOps with ArgoCD | Continuous Delivery |
| 🛡️ MTTR | < 15 min | Incident Response | Production Reliability |
| 📈 Code Quality | A Grade | SonarQube Analysis | All Repositories |
| 🌍 Global Users | 500+ | Cascavel Downloads | International Impact |
📜 30+ International Certifications • 🌐 Cloud, Security & DevOps Expert • 📚 10+ Hours/Week Learning
💡 Lifelong Learner: Investing 10+ hours/week to stay cutting-edge with emerging technologies, industry trends, and best practices. Active in tech communities and contributing to open-source projects.
mindmap
root((2025 Vision))
🛡️ DevSecOps Mastery
Cloud Security
AWS Security Hub
Azure Defender
Automation & Compliance
Zero Trust
Identity Security
Micro-Segmentation
Least Privilege Access
Compliance
SOC2 Type II
ISO27001
GDPR/CCPA
⚡ Performance Engineering
Edge Computing
CDN Optimization
Edge Functions
Global Distribution
WebAssembly
High-Performance
Cross-Platform
Native Speed
Advanced Caching
Redis Cluster
Smart Invalidation
Multi-Tier Strategy
🏗️ Architecture Evolution
Event-Driven
Event Sourcing
CQRS Pattern
SAGA Orchestration
Serverless
AWS Lambda
Auto-Scaling
Cost Optimization
Multi-Cloud
AWS + Azure
DR Planning
Vendor Independence
🚀 Emerging Technologies
AI/ML Production
Model Deployment
MLOps Pipelines
A/B Testing
Quantum-Ready
Post-Quantum Crypto
Future-Proof Systems
🔍 Click to view detailed quarterly breakdown
Q1 2025 (Jan-Mar): Foundation & Certification
- ✅ Complete Advanced Kubernetes Certification (CKA/CKAD)
- 🔄 Implement Zero Trust Architecture in production environment
- 📝 Publish 5 technical articles on DevSecOps best practices
- 🎯 Achieve 100% test coverage on all core microservices
- 🌟 Contribute to 10+ open source projects
Q2 2025 (Apr-Jun): Content & Community
- 🎯 Launch personal tech blog with weekly posts
- 🚀 Submit 20+ high-quality open source pull requests
- 📊 Build and deploy real-time analytics dashboard
- 🔐 Lead comprehensive security audit for enterprise clients
- 🎤 Speak at local tech meetup or conference
Q3 2025 (Jul-Sep): Optimization & Innovation
- ⚡ Achieve 50% performance improvements across production systems
- 🤖 Deploy AI/ML models to production with MLOps pipelines
- 🎓 Complete Advanced Cloud Architecture course (AWS/Azure)
- 📈 Scale infrastructure to handle 10x traffic capacity
- 🌍 Expand Cascavel framework adoption to 20+ countries
Q4 2025 (Oct-Dec): Leadership & Impact
- 🌟 Speak at 2+ international tech conferences
- 📚 Write comprehensive DevSecOps e-book or course
- 🏆 Launch mentorship program (10+ junior developers)
- 🚀 Launch production SaaS product serving global market
- 💼 Establish consulting practice for DevSecOps transformations
gantt
title Career Milestones, Key Projects & Major Achievements
dateFormat YYYY-MM
section Professional Growth
RET Consultoria - Senior Developer :active, 2021-01, 2025-12
DevSecOps Specialization :crit, 2022-01, 2025-12
Performance Engineering Focus :crit, 2022-06, 2025-12
Technical Leadership & Mentoring :active, 2023-01, 2025-12
section Major Projects
Cascavel Security Framework (9⭐) :done, 2023-01, 2023-06
ApiSpring E-commerce Platform (90%) :done, 2023-03, 2023-09
Vitale Medical E-commerce (1⭐) :done, 2023-06, 2024-01
Cotação PRO Fintech PWA (100/100) :done, 2023-09, 2024-03
ShopFast Full-Stack E-commerce :done, 2024-01, 2024-06
AWS-Kubernetes-ArgoCD Migration :active, 2024-06, 2025-03
section Key Achievements
12 Countries Cascavel Adoption :milestone, 2023-06, 0d
30+ International Certifications :milestone, 2023-09, 0d
Perfect 100/100 Lighthouse Score :milestone, 2024-01, 0d
99.95% Uptime Production SLA :milestone, 2024-06, 0d
3x ROI Delivered to Clients :milestone, 2024-09, 0d
🌈 Well-Rounded Professional • 🧠 Growth Mindset • 🤝 Team Player • 💡 Creative Problem Solver
|
|
🤝 Open to Remote Opportunities • 💼 Available for Consulting • 🌍 Working Globally in PT, EN & ES
graph TD
A[Gabriel Lima Ferreira] --> B[💼 Full-Time Remote Positions]
A --> C[🤝 Consulting & Contract Work]
A --> D[🎤 Speaking Engagements]
A --> E[🌟 Open Source Collaboration]
A --> F[🎓 Mentorship & Teaching]
B --> G[Senior/Lead Back-End Engineer]
B --> H[Senior/Lead Full-Stack Engineer]
B --> I[Solutions/Software Architect]
B --> J[DevSecOps Lead/Manager]
C --> K[Performance Optimization Audits]
C --> L[Security Assessments & Penetration Testing]
C --> M[Architecture Reviews & Modernization]
C --> N[CI/CD Pipeline Implementation]
style A fill:#3B82F6,stroke:#2563EB,stroke-width:3px,color:#fff
style B fill:#10B981,stroke:#059669,stroke-width:2px
style C fill:#F59E0B,stroke:#D97706,stroke-width:2px
style D fill:#EF4444,stroke:#DC2626,stroke-width:2px
style E fill:#8B5CF6,stroke:#7C3AED,stroke-width:2px
style F fill:#06B6D4,stroke:#0891B2,stroke-width:2px
⚡ Crafted with passion, precision & purpose by Gabriel "Gringo" Lima Ferreira
💙 Made with love in Rio de Janeiro, Brazil 🇧🇷
|
I'm actively seeking:
|
|
📅 Last Updated: January 2025 • Always learning, always building, always improving 🚀
🔐 Open to Positions: Senior Back-End Engineer • Senior Full-Stack Engineer • Software/Solutions Architect • DevSecOps Lead/Manager
If you found my profile interesting, let's connect! I'm always open to discussing:
- 💬 New opportunities and collaborations
- 🚀 Exciting projects and technical challenges
- 🎯 DevSecOps best practices and architecture patterns
- 🌟 Open source contributions and community building
- ☕ Or just chat about tech over virtual coffee!
📧 Best way to reach me: [email protected]
⭐ If you like my work, consider starring my repositories! Every star motivates me to create more and share knowledge with the community.