Product Engineer | Founder @ Foreign Technologies | Building AI-Powered Products, SaaS Platforms & Business Systems | 0→1 Product Development
Angular • React • TypeScript • Product Engineering • AI-Assisted Development • Cloud-Native Applications
export const gustavoKoglin: Profile = {
role: "Frontend Software Engineer",
focus: [
"Angular v15+",
"React",
"TypeScript",
"UX/UI",
"WCAG Accessibility",
"REST APIs",
"Scalable Web Applications"
],
frontend: {
frameworks: [
"React.js",
"Angular v15+",
"Next.js (hands-on / learning)",
"Prototyping with Fimga
],
languages: [
"TypeScript",
"JavaScript",
"HTML5",
"CSS3",
"SCSS"
]
},
webAndGrowth: {
seo: [
"Technical SEO",
"Metadata Optimization",
"Semantic HTML",
"Structured Data"
],
performance: [
"Core Web Vitals",
"Lazy Loading",
"Rendering Strategies",
"Change Detection Optimization"
],
analytics: [
"Google Analytics",
"Event Tracking"
]
},
apisAndIntegrations: {
experience: [
"REST APIs",
"WebSockets",
"OAuth 2.0",
"Firebase Auth"
],
integrations: [
"Stripe",
"Mercado Pago",
"Enterprise Integrations"
]
},
architectureAndPerformance: {
architecture: [
"Modular Architecture (Angular / React)",
"Scalable Frontend Systems",
"Enterprise Frontend Architecture"
],
optimization: [
"Performance Optimization",
"Lazy Loading",
"Change Detection",
"Rendering Optimization"
]
},
backend: {
technologies: [
"Node.js / Express (3+ years)",
"ASP.NET Core (2+ years practical experience)",
"Java (basic knowledge)",
"Golang (basic knowledge)"
]
},
cloudAndDevOps: {
infrastructure: [
"Firebase",
"Azure",
"Google Cloud Platform",
"AWS",
"Vercel",
"Netlify",
"Heroku",
"Fly.io"
],
devops: [
"CI/CD with GitHub Actions",
"Docker",
"ArgoCD (practical knowledge)",
"Terraform",
"Kubernetes"
],
observability: [
"Grafana",
"Snyk",
"Monitoring",
"Observability"
]
},
databases: {
sql: [
"PostgreSQL (Supabase)",
"MySQL",
"SQL Server"
],
nosql: [
"Firebase Firestore",
"Realtime Database",
"Firebase Storage",
"MongoDB (basic)"
]
},
uxAndProduct: {
design: [
"Figma",
"Figma Make",
"Interaction Design (UX)",
"UI Design",
"Accessibility (WCAG)"
]
},
aiAssistedDevelopment: {
tooling: [
"GitHub Copilot",
"GPT-4/5",
"Claude",
"Gemini",
"Cursor",
"Google Antigravity"
],
workflow: [
"AI-driven development",
"Code generation",
"Workflow automation",
"Debugging",
"Productivity optimization"
]
},
currentlyBuilding: [
"Enterprise SaaS Platforms",
"Cloud-Native Applications",
"AI-Powered Products"
]
} as const;Angular • React • Next.js • TypeScript • JavaScript • SCSS
REST APIs • WebSockets • OAuth 2.0 • Firebase Auth • Stripe • Mercado Pago
PostgreSQL • MySQL • SQL Server • MongoDB • Firestore
CI/CD • Docker • Kubernetes • Terraform • GitHub Actions
Grafana • Snyk • Monitoring • Observability
WCAG Accessibility • Design Systems • Core Web Vitals • Technical SEO
AI Driven Development • Automation • Code Generation • Developer Productivity
Enterprise CMS platform designed for scalable publishing workflows, SaaS ecosystems, and enterprise operations.
- Angular 20
- Node.js and Express
- Firebase ecosystem
- Kubernetes ready architecture
- GitOps with Argo CD
- RBAC and MFA ready flows
- Enterprise admin dashboard
- CI/CD pipelines
Angular • Node.js • Express • Firebase • Docker • Kubernetes
🌐 https://www.foreigntechnologies.com.br/landing-pages/plataforma-cms
🚀 https://plataformacms.vercel.app/
🎥 https://youtu.be/dvE67gEmzvg
Modern Angular SaaS frontend for catalog management, analytics, and enterprise operations.
- Angular 21
- Standalone Components
- RBAC UI
- Analytics dashboards
- PDF, CSV, and XLSX exports
- Multi language support
- Responsive architecture
Angular • TypeScript • RxJS • Charts • Export Services
🌐 https://www.foreigntechnologies.com.br/templates/prodsight
🚀 https://prodsight.vercel.app/
🎥 https://youtu.be/j7yR4-KyIao
Enterprise React platform for agribusiness management and operational analytics.
- React 18 and TypeScript
- AI ready architecture
- Tactical dashboards
- Fleet and telemetry management
- Financial analytics
- Multi tenant SaaS structure
React • TypeScript • Analytics • Dashboard Systems
🌐 https://www.foreigntechnologies.com.br/erps/agrotech
🚀 https://agrotech-ochre.vercel.app/
🎥 https://youtu.be/YaX7-ugvkIc
Healthcare ERP frontend platform focused on scalable hospital and clinic operations.
- React 18
- Tailwind CSS
- Radix UI
- Framer Motion
- Adaptive RBAC dashboards
- Telemedicine flows
- EMR oriented UI
React • Tailwind CSS • Radix UI • Framer Motion
🌐 https://www.foreigntechnologies.com.br/erps/medsys
🚀 https://medsys-erp.vercel.app/
🎥 https://youtu.be/HCMEY9Y6E2U
Jun 2025 — Present
- Platform engineering in high scale cloud environments
- Automation initiatives impacting 9,000+ repositories
- CI/CD standardization using GitHub Actions and Docker
- Observability dashboards with Grafana
- Distributed engineering collaboration
- Platform scalability and reliability initiatives
JavaScript • Shell Script • GitHub Actions • Docker • Grafana
Mar 2022 — Jan 2026
- Built scalable frontend applications using Angular and TypeScript
- Developed modular enterprise frontend architectures
- Integrated REST APIs and payment systems
- Built real time features with WebSockets
- Used Firebase ecosystem for backend and infrastructure
- Developed multilingual SaaS applications
- Improved performance using lazy loading and rendering optimization
Angular • TypeScript • Firebase • Supabase • Stripe
Apr 2023 — May 2025
- Developed enterprise systems for Vale S.A.
- Built Angular applications integrated with ASP.NET Core services
- Worked with REST APIs and enterprise integrations
- Applied technical SEO and performance optimization
- Collaborated with cross functional engineering teams
- Supported Petrobras projects during the final months
Angular • TypeScript • ASP.NET Core • REST APIs
| Frontend | Architecture | UX/UI | APIs | Performance |
|---|---|---|---|---|
| Angular | Scalable Systems | WCAG | REST APIs | Core Web Vitals |
| React | Modular Frontends | Accessibility | ASP.NET Core | Lazy Loading |
| TypeScript | Enterprise Apps | Design Systems | Firebase | Technical SEO |
| Next.js | SaaS Platforms | Responsive UI | Node.js | Rendering Optimization |

