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Fresher Backend Developer Portfolio
Software Engineer (STU) with proven hands-on experience building, debugging, and running 24/7 commercial web systems. Core expertise in Database Design, SePay Webhook Payment Gateway, and Process Automation with Gemini AI & n8n.
Fresher PHP / Backend Developer
Saigon Technology University (STU)
class BackendDeveloper {
public string $goal = 'Optimizing business logic & efficiency';
public bool $readyFulltime = true;
}
Always prioritizing solving real business challenges through meticulous, optimized technical solutions.
Proficient in ERD normalization, MySQL query optimization, Redis session caching, and JWT rotating tokens.
Automating workflows with n8n, Google Gemini OCR for ID card/utility meters, and SePay Webhook for real-time 24/7 deposits.
Hands-on experience patching live financial logic exploits, configuring Cloudflare DDoS/SSL, and GitHub Actions CI/CD.
Software Engineering graduate, meticulous mindset, high commitment to long-term growth, and quick learner of emerging tech.
As a Software Engineering graduate from Saigon Technology University (STU), I have built a solid computer science foundation spanning data structures, algorithms, and system architecture. Having maintained a live commercial card payment platform and engineered an end-to-end boarding house management thesis (42+ features), I possess strong capabilities in solving complex business logic, ensuring information security, and contributing effectively as a Fresher PHP / Backend Developer.
A practical tech ecosystem honed through real-world commercial platforms and university capstones.
Eloquent ORM, Sanctum, Migrations/Seeders, Form Validation, Custom Service Layers, Vanilla PHP.
Servlet, JSP, Spring Boot MVC, JDBC.
WinForms Desktop App, 2-Tier Architecture.
OCR extraction for citizen ID & utility meters, Prompt Engineering, LLM CV scoring in JSON format.
Event-driven workflows, SePay banking webhooks, isolated cronjobs.
JWT Access/Refresh Token rotation, Laravel Sanctum, OAuth2 Zalo login, Bcrypt hashing.
Patched real balance calculation exploits, Cloudflare SSL & anti-DDoS, Input sanitization.
Normalized ERD design, Mongoose ODM, Stored Procedures, Indexing.
Session caching, offloading Database workload for E-commerce systems.
Docker containers, GitHub Actions CI/CD automating multi-hosting deployments.
Linux server basics, Vercel, Render, Postman, PHPUnit, Figma, Jira, ClickUp.
Progressive Web App (PWA) with native app feel, Tailwind CSS, Bootstrap 5.
Data Structures & Algorithms, OOP principles, Computer Networking, Operating Systems, Information Security.
Comprising graduation thesis, live commercial platform, AI systems, and academic capstones.
Type commands or click shortcuts to explore profile data in JSON & CLI.
Formal Software Engineering degree from STU alongside reputable international credentials.
• Completed the formal Software Engineering curriculum (ready for full-time employment).
• Graduation Thesis (Aug 2026): Kieu Giang Boarding House Management (Full-stack Laravel 12, PWA & Gemini OCR).
• Solid knowledge in Data Structures & Algorithms, Database Design, OOP, and Information Security.
Project Management Certificate — Agile/Scrum methodology, project scheduling, and software risk management.
View verified credentialCybersecurity Fundamentals Certificate — Web security principles, data integrity, access control, and vulnerability defense.
View verified credentialOpen to discussions regarding Fresher PHP / Backend Developer opportunities.