I'm a frontend software engineer with 3+ years of experience building scalable web applications using React, Angular, and TypeScript. I focus on product-driven development, performance, and delivering great user experiences. I thrive in high-scale environments, automate workflows, and leverage AI tools to accelerate development and experimentation. I'm passionate about open-source, SEO, and collaborating with distributed teams to ship production-ready web apps.

Gustavo Koglin

I'm a frontend software engineer with 3+ years of experience building scalable web applications using React, Angular, and TypeScript. I focus on product-driven development, performance, and delivering great user experiences. I thrive in high-scale environments, automate workflows, and leverage AI tools to accelerate development and experimentation. I'm passionate about open-source, SEO, and collaborating with distributed teams to ship production-ready web apps.

Available to hire

I’m a frontend software engineer with 3+ years of experience building scalable web applications using React, Angular, and TypeScript. I focus on product-driven development, performance, and delivering great user experiences.

I thrive in high-scale environments, automate workflows, and leverage AI tools to accelerate development and experimentation. I’m passionate about open-source, SEO, and collaborating with distributed teams to ship production-ready web apps.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Portuguese
Fluent
English
Advanced
Spanish; Castilian
Intermediate

Work Experience

Software Development Engineer – Platform Engineering (PaaS) at WEX Brasil Tech
June 1, 2025 - Present
Develop and maintain applications in a high-scale platform environment with a focus on performance, scalability, and reliability. Standardize and maintain CI/CD pipelines using GitHub Actions and Docker, improving deployment consistency. Build observability dashboards with Grafana to support monitoring and data-driven decision making. Collaborate with globally distributed teams across engineering and product. Led automation initiatives impacting 9,000+ repositories, improving developer productivity and platform consistency. Designed and implemented CI/CD workflows enabling faster delivery and experimentation, and developed automation scripts (JavaScript, Bash) for bulk repository operations. Automated operations across multiple organizations, reducing manual effort and increasing efficiency.
Software Engineer (Independent Product Development) at Foreign Technologies
March 1, 2022 - January 1, 2026
Designed and developed end-to-end digital products using Angular (v15+) and TypeScript, focusing on scalability and maintainability. Built modular and scalable architectures enabling efficient feature expansion. Implemented real-time features using WebSockets for up to 50 concurrent users. Leveraged the Firebase ecosystem (Auth, Firestore, Realtime Database, Storage, Functions) for backend and infrastructure. Integrated third-party APIs and payment systems, including Stripe and Mercado Pago. Developed cloud-based applications using PostgreSQL (Supabase). Built multilingual applications (PT, EN, ES), improving accessibility and user reach. Optimized application performance through lazy loading, rendering strategies, and architectural improvements.
Software Development Engineer at Tata Consultancy Services (TCS)
April 1, 2023 - May 1, 2025
Worked on enterprise systems for Vale S.A., developing frontend applications using Angular, TypeScript, JavaScript, HTML, and CSS. Integrated REST APIs and backend services, including ASP.NET Core. Contributed to maintenance and evolution of large-scale enterprise systems. Collaborated with cross-functional teams to align business and technical requirements. Supported Petrobras projects during the last 6 months. Improved application performance and stability through optimization strategies. Applied technical SEO best practices, including semantic HTML, metadata optimization, and performance improvements to enhance discoverability and user experience.
Software Development Engineer – Assistant at G&P
January 1, 2023 - March 1, 2023
Supported the development of web applications, focusing on frontend features and user interface implementation. Contributed to UX and interaction design, improving usability and user experience. Implemented frontend functionalities using modern web technologies.

Education

BSc Software Engineering at Anhanguera Educacional
January 11, 2030 - December 1, 2026
BSc Software Engineering at Anhanguera Educacional
January 11, 2030 - December 1, 2026
Bachelor’s Degree in Software Engineering at Anhanguera Educacional
October 1, 2024 - December 1, 2026
Bachelor's Degree in Software Engineering at Anhanguera Educacional
October 1, 2024 - December 1, 2026

Qualifications

Microsoft Certified: Azure Fundamentals (AZ-900)
January 11, 2030 - December 30, 2025
Generative AI: Forecasting Disruption - University of Michigan
January 11, 2030 - December 30, 2025
Project Management Foundations - Microsoft/LinkedIn
January 11, 2030 - December 30, 2025
Python Essential Training
January 11, 2030 - December 30, 2025
Microsoft Certified: Azure Fundamentals (AZ-900)
January 11, 2030 - December 30, 2025
Generative AI: Forecasting Disruption - University of Michigan
January 11, 2030 - December 30, 2025
Project Management Foundations - Microsoft/LinkedIn
January 11, 2030 - December 30, 2025
Python Essential Training
January 11, 2030 - December 30, 2025

Industry Experience

Software & Internet, Professional Services, Telecommunications, Media & Entertainment, Energy & Utilities, Manufacturing
    paper AgroTech — Smart Farm Management

    AgroTech — Agribusiness ERP Platform

    AgroTech is more than a field dashboard template.
    It is a scalable ERP architecture designed for agribusiness operations, producer cooperatives, and Agtech companies that require operational visibility, cost control, and integrated farm management.

    Reference Price: BRL 64,890.00


    Technical Stack

    Built with:

    • React 18
    • TypeScript
    • Vite
    • Recharts
    • Lucide React

    The platform delivers a modular SaaS-ready experience with enterprise UX standards, multilingual support, and an AI-ready architecture through AgroBot AI.


    Core Operational Areas

    Crop & Field Management

    • Crop KPIs
    • Crop health visualization
    • Pest management
    • Weather and IoT-ready interfaces
    • Tactical operational dashboards

    Assets & Fleet

    • Machinery management
    • Telemetry
    • Maintenance workflows
    • Logistics monitoring
    • Predictive operational UX

    Financial Hub & Commercialization

    • Cash flow management
    • Production cost analysis
    • Commercialization workflows
    • Export operations
    • Financial reporting

    Soil, Compliance & Storage

    • Irrigation workflows
    • Soil analysis
    • Precision agriculture
    • Traceability
    • Labor and inventory management

    Enterprise Features

    • Multilingual global search
    • Multi-tenant architecture
    • RBAC-ready permissions system
    • LGPD/MFA-oriented UX flows
    • Offline-first operational support
    • Advanced settings for integrations and notifications

    The ecosystem spans 24+ operational categories across the agricultural production chain.


    AgroBot AI

    AgroBot AI acts as the intelligent operational layer, supporting:

    • Navigation assistance
    • Data analysis
    • Workflow guidance
    • Future AI-driven recommendations for agriculture and finance

    Prepared for integrations with:

    • Supabase
    • PostgreSQL
    • IoT APIs

    Value Proposition

    Rebuilding a similar enterprise-grade agribusiness platform from scratch would require multiple senior engineers over several months.

    AgroTech accelerates delivery by providing a production-oriented frontend architecture prepared for scalable backend integrations and white-label operations.


    Links

    Project

    https://www.foreigntechnologies.com.br/erps/agrotech

    Live Demo

    https://agrotech-ochre.vercel.app/

    Demo Video

    paper CMS Platform — News Portal, admin panel & white-label SaaS

    Plataforma CMS — Enterprise Edition

    This is not a low-cost template marketplace product.
    It is a scalable technical and product foundation designed for media companies, structured political operations, content platforms, and mid-sized organizations that require resilience, security, and operational scalability.

    Reference Price: USD 17,190.00

    The pricing reflects the replacement cost of rebuilding the platform from scratch with a full-stack engineering team, DevOps workflows, CI/CD pipelines, and production-grade infrastructure.


    Infrastructure & Scalability

    Built with modern cloud-native engineering practices:

    • Kubernetes-ready architecture
    • GitOps workflows with Argo CD
    • Horizontal Pod Autoscaler (HPA)
    • Dockerized environments
    • CI/CD pipelines for automated delivery
    • Infrastructure prepared for traffic spikes and high-availability scenarios

    Designed for environments where downtime during viral traffic or critical campaigns is not acceptable.


    Application Stack

    Frontend

    • Angular 20
    • Full admin dashboard
    • SaaS-oriented UX architecture
    • Responsive interface

    Backend

    • Node.js + Express
    • Firebase Authentication
    • Firestore database
    • Firebase Storage integration

    Security & SaaS Features

    • RBAC (Role-Based Access Control)
    • IAM-ready architecture
    • MFA-ready authentication flows
    • Structured permissions system
    • Metrics dashboard
    • Multi-role management

    The platform can operate as a SaaS product for municipalities, journalists, columnists, or distributed operational units with low incremental effort.


    SEO & Social Sharing

    Includes server-side Open Graph preview generation to ensure articles and pages render correctly across:

    • Social media
    • Messaging apps
    • Link previews

    Value Proposition

    Rebuilding a comparable platform typically requires:

    • 2 senior developers for several months
    • Dedicated DevOps engineering
    • CI/CD setup
    • Kubernetes orchestration
    • Security implementation
    • Production hardening

    The current pricing significantly reduces both engineering cost and delivery time while providing a mature and extensible architecture.


    Links

    Project

    https://www.foreigntechnologies.com.br/landing-pages/plataforma-cms

    Live Demo

    https://plataformacms.vercel.app/

    Demo Video

    paper MedSys — Hospital ERP System

    MedSys — Hospital ERP System

    Enterprise Edition

    MedSys is a robust ERP architecture built for hospital operations, high-throughput clinics, and healthtech companies that require compliance, RBAC governance, and real-time operational control.


    Scope

    Frontend-only application built with React.
    The demo uses mocked browser-based data and does not include:

    • Production backend
    • Database infrastructure
    • Real persistence
    • API integrations
    • Server-side IAM
    • Queues or cloud environments

    Backend integrations and custom implementations are available separately.

    Reference Price: BRL 56,679.00


    Technical Stack

    • React 18
    • TypeScript
    • Vite
    • Tailwind CSS
    • Radix UI
    • Lucide React
    • Framer Motion
    • Recharts

    Designed from high-fidelity Figma prototypes with a modular SaaS-oriented architecture optimized for healthcare workflows.


    Features

    • Dark/Light themes with persisted preferences
    • i18n support (PT-BR, EN, ES)
    • Multi-tenant-ready settings structure
    • RBAC-based adaptive dashboards
    • Interactive charts and analytics
    • Cloud-ready data modeling for Supabase/PostgreSQL

    Operational Modules

    Reception

    • Dynamic waiting queues
    • Appointment scheduling
    • Staff status monitoring
    • Biometric-ready access flows

    Clinical Staff

    • Daily appointment dashboard
    • Telemedicine shortcuts
    • Electronic medical records
    • E-prescription workflow UI

    Nursing

    • ICU and isolation tactical boards
    • Medication and vitals tracking
    • Acuity triage interface

    Administration & Finance

    • Revenue and operational analytics
    • Insurance and payer dashboards
    • Cash flow and profitability monitoring

    Included Systems

    • Electronic Medical Record (EMR/HIS)
    • Biometrics and access control
    • Lab and imaging requests
    • Alerts and notification engine

    Value Proposition

    Building a similar healthcare ERP from scratch typically requires months of senior engineering effort involving:

    • EMR systems
    • Healthcare RBAC
    • Billing flows
    • Clinical operations
    • Multi-theme enterprise UX

    MedSys provides a scalable white-label-ready foundation for healthtech and hospital operations.


    Links

    Project

    https://www.foreigntechnologies.com.br/erps/medsys

    Live Demo

    https://medsys-erp.vercel.app/

    Demo Video

    paper ProdSight — product dashboard template (Angular)

    ProdSight

    About the Project

    ProdSight is a professional Angular 21 frontend built for SaaS-style catalog management platforms involving SKUs, inventory, channels, operations, and analytics. It works as a scalable foundation for PIM systems, e-commerce dashboards, marketplaces, and B2B portals.

    The architecture uses standalone components, lazy-friendly routes, and a modular structure that allows mock services to be replaced with REST APIs without rebuilding the UI.


    Features

    • Authentication flow with guest/authenticated areas
    • authGuard and guestGuard
    • Session handling with sessionStorage
    • Responsive dashboard layout with sidebar and header
    • KPI cards, ApexCharts analytics, activity feed, and product tables
    • CSV export support
    • Analytics, Team, Catalog, and Orders demo pages
    • Reports module with products, sales, finance, demographics, and cancellations
    • PDF, CSV, and XLSX exports
    • Settings area with MFA simulation and RBAC UI
    • Multi-language support (PT-BR, EN, ES) using ngx-translate
    • Light/Dark theme persistence
    • Centralized currency and number formatting
    • HttpClient ready for backend integration

    Technologies

    • Angular 21
    • TypeScript
    • RxJS
    • ngx-translate
    • ApexCharts
    • Lucide Icons
    • jsPDF
    • xlsx
    • Vitest
    • Prettier

    Documentation

    Includes guides in Portuguese, English, and Spanish covering setup, API integration, branding customization, MFA/RBAC configuration, reports, and real authentication flows.


    Requirements

    npm install
    npm start
    npm run build
    

    No backend included. Frontend template ready for API integration.


    Links

    Project

    https://www.foreigntechnologies.com.br/templates/prodsight

    Live Demo

    https://prodsight.vercel.app/

    Demo Video