Available for opportunities
Hi, I'm Sherwin Jefferson Tajan
Software developer focused on becoming a professional full stack software engineer. Working across frontend, backend, desktop applications, databases, Docker, DevOps workflows, and technical documentation.
- Full Stack
- Desktop Apps
- DevOps
Technologies
20+
Projects Built
10+
Open Source
Active
About
What I Do
A developer focused on full-stack engineering, clean architecture, and continuous technical growth.
Frontend Development
Building responsive, accessible, and performant user interfaces with React, Next.js, Vue 3, TypeScript, and Tailwind CSS.
Backend Development
Designing APIs and server-side logic with Python, FastAPI, Django, Node.js, Express, C#, and .NET 8.
Desktop Applications
Creating cross-platform desktop apps with Avalonia UI, MVVM architecture, and .NET 8 with Entity Framework Core.
Database Management
Working with PostgreSQL, Supabase, SQLite, MongoDB, and Redis for data persistence and caching strategies.
DevOps & Tooling
Containerizing applications with Docker and Docker Compose, managing Git workflows, and working in Linux environments.
Continuous Learning
Always exploring new technologies — from system design fundamentals to OpenSearch, Redis, and advanced authentication patterns.
Tech Stack
Skills & Technologies
Technologies I work with across the full stack.
Frontend
9 technologies
ReactNext.jsVue 3TypeScriptJavaScriptTailwind CSSshadcn/uiResponsive UIUI/UX Improvement
Backend
8 technologies
PythonFastAPIDjangoNode.jsExpressC#.NET 8ASP.NET Core
Experience
Where I've Worked
My journey as a developer — projects, learning, and growth.
Mid Software Engineer
Code Fusion IT Solutions
Jul 2025 — Jul 2026
Maintained and enhanced a University Library Information Management System (LIMS) using React.js, Python, and PostgreSQL, improving system reliability and usability for students and faculty. Developed cross-platform desktop applications for IoT projects using .NET MAUI and Avalonia, enabling real-time device monitoring and data visualization. Designed and integrated RESTful APIs to support seamless communication between frontend applications, backend services, and connected devices. Collaborated with cross-functional teams to develop, optimize, and troubleshoot full-stack features, improving application performance and maintainability.
React.jsPythonPostgreSQL.NET MAUIAvaloniaRESTful APIsDevOpsDockerAzure DevopsAzureVersion ControlUI/UXScrumAgile Development
Junior Software Engineer
Innocore Systems Solutions
May 2025 — Oct 2025
Maintained and enhanced a school monitoring system using Next.js, Tailwind CSS, Supabase, Framer Motion, and shadcn/ui, supporting attendance tracking, grade management, RFID security, and reporting features. Developed and maintained the company website, implementing responsive and user-friendly interfaces to improve user experience and accessibility. Collaborated with backend developers to integrate APIs, implement new features, and resolve technical issues across the application stack. Optimized frontend components and application workflows, improving performance, maintainability, and overall user experience.
Next.jsTailwind CSSSupabaseFramer Motionshadcn/uiRESTful APIs
Secondary Teacher
Tanauan City Academy
May 2025 — Oct 2025
Delivered Senior High School Computer Programming I–IV courses, covering Python programming, web development, SQL databases, and computer hardware fundamentals. Developed instructional materials and practical programming exercises to strengthen students' technical and problem-solving skills. Provided technical support to faculty members by troubleshooting network connectivity, software installations, and classroom technology issues. Guided students in hands-on projects involving programming, database management, and web application development.
PythonWeb DevelopmentSQLComputer HardwareTeaching
Blog
Developer Journal
Technical notes, learning logs, and documentation from my engineering journey.
Contact
Get In Touch
Have a question or want to work together? Send me a message.
I'm always open to new opportunities, interesting projects, or just a friendly chat about tech.
contact@sherwintajan.dev
Location
Batangas, Philippines