PHP & Laravel developer with 3.7+ years of experience building secure backend systems, high-performance MySQL databases, and robust REST APIs for healthcare and enterprise platforms.
PHP & Laravel Backend Engineer
<?php
namespace App\Core\Profile;
class VishalSingh implements BackendEngineerInterface
{
public const EXPERIENCE_YEARS = 3.7;
public const PROJECTS_BUILT = "6+ Production Enterprise Platforms";
public const CORE_STACK = ["Laravel 12", "CodeIgniter 3", "MySQL", "AWS EC2"];
public function getProductionSkills(): array
{
return [
'api_architecture' => ['RESTful APIs', 'Sanctum / JWT Auth', 'Webhooks'],
'database_design' => ['MySQL Indexing', 'Complex Joins', 'Query Optimization'],
'async_workflows' => ['Queue Workers', 'Cron Schedulers', 'TCPDF Invoicing'],
'cloud_deploy' => ['AWS EC2', 'Linux CLI / Apache', 'UAT & Prod Releases'],
'client_impact' => ['Sun Pharma', 'Alkem Laboratories', 'Cipla'],
];
}
}<?php
// Healthcare PSP Compliance Controller (HMVC / Laravel)
namespace Modules\Psp\Controllers;
class PatientSupportController extends BaseApiController
{
public function enrollPatient(PatientRequest $request)
{
$brand = $request->validated('brand'); // SunPharma | Alkem | Cipla
$patient = $this->pspService->createRecord([
'patient_code' => Uuid::generate(),
'doctor_id' => $request->doctor_id,
'therapy_start' => Carbon::now(),
'is_compliant' => true,
]);
$this->auditLog->record("Enrolled into {$brand} PSP");
return response()->json(['status' => 'success', 'data' => $patient]);
}
}-- Relational Database Schema Architecture
CREATE TABLE `psp_patient_enrollments` (
`id` BIGINT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
`brand_name` ENUM('Sun Pharma', 'Alkem', 'Cipla') NOT NULL,
`doctor_reg_id` INT UNSIGNED NOT NULL,
`adherence_score` DECIMAL(5,2) DEFAULT 100.00,
`status` VARCHAR(32) DEFAULT 'active',
`created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
INDEX `idx_brand_doctor` (`brand_name`, `doctor_reg_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;A developer who turns ambiguous business requirements, complex healthcare compliance, and financial accounting rules into high-performance PHP & Laravel systems.
Engineered adherence modules, patient enrollment pipelines, doctor mapping, and audit logs for pharmaceutical leaders: Sun Pharma, Alkem, and Cipla.
Architected SocietyHub (societymaintenance.com) on Laravel 12. Automated billing, instant PDF receipts, collections tracking, and resident grievance ticketing.
Normalized schemas, composite indexing strategies, zero-deadlock transactions, and sub-millisecond query execution for high-volume transactions.
Hands-on Linux CLI server configuration, Apache/Nginx web server setup, live UAT and production rollouts with automated database backup cron jobs.
A disciplined, production-first engineering workflow from schema normalization to reliable cloud deployment.
Define relational entity structures, write clean migrations, establish foreign key constraints and composite indexes, and design strict API request/response contracts.
Implement HMVC / Laravel service classes, isolate business logic from controllers, integrate secure third-party RESTful APIs, and enforce validation with zero technical debt.
Deploy to live AWS EC2 cloud instances, configure Linux permissions, test under real-world load, schedule automated MySQL backup scripts, and monitor uptime.
Full-featured multi-society residential management ERP built with Laravel 12, Tailwind CSS, and Alpine.js. Automates billing, collections, defaulters tracking, and resident grievances.
ISO/IEC 17025 accredited testing & research laboratory web platform. Engineered with online Report Verification system, testing service catalog, and quotation inquiry workflow.
Patient enrollment, therapy adherence tracking, and field force reporting for three pharmaceutical leaders. Third-party REST API sync and AWS EC2 deployments.
Courier billing and tracking built on HMVC architecture. Tracking API integration, automated invoice generation using TCPDF, and admin operational reporting.
Over 3.7+ years of delivering high-stakes backend services. Currently delivering enterprise systems for pharmaceutical multinationals including Sun Pharma, Alkem Laboratories, and Cipla, alongside full-stack Laravel 12 modern applications.
At current company Techizer Tech Solution Pvt. Ltd.
University of Mumbai, 2020 Graduate
Have an open engineering role, freelance project, or need architecture consulting in PHP, Laravel, or Healthcare PSP platforms? Send a message or connect directly.
Feel free to reach out via WhatsApp, phone, or direct email. Fast response guaranteed within 24 hours.