Senior PHP Developer with 9+ Years of Backend Expertise

Dear Hiring Manager,

I'm a back-end engineer with 9+ years building scalable PHP applications. I'm applying because your role perfectly aligns with where I want to focus: robust server-side architecture, database optimization, and solving complex performance challenges.

**What I Offer:**

**Core Expertise:**

- **Laravel/PHP mastery**: 9+ years production experience. I architect systems handling millions in transactions.

- **Database design & optimization**: MySQL schema design, query tuning, indexing strategies. I model business logic into efficient databases.

- **Scalable architecture**: RESTful APIs, MVC patterns, performance optimization. I think about throughput, latency, and reliability.

- **Security**: SQL injection prevention, XSS mitigation, secure authentication. I've built systems handling sensitive financial data.

- **API integration**: Payment gateways (Stripe, custom systems), external APIs, multiple data sources unified into one platform.

- **Front-end collaboration**: I understand JavaScript, HTML5, CSS3 and work seamlessly with front-end teams.

**Experience Highlights:**

**Visible One (Senior Developer)**: Own back-end for payment and commerce products. API design, database architecture, performance optimization, security.

**ITVision Hub (Senior Developer)**: Led back-end for enterprise applications. Complex database design, query optimization, payment integration, security across systems.

**Amicus Data**: Mission-critical billing system. Strict data handling, security, resilience in financial systems.

**Why I'm the Fit:**

I write clean, testable code. I solve performance problems systematically. I understand PHP deeply—its strengths and limitations. I collaborate well with front-end teams and stay current with best practices.

I'm based in Bangkok and available immediately.

Looking forward to discussing this opportunity.

Best,

Zwel Linn Htet Ag

(+66) 9 84382245

*************@*****.***

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