
The Financial Express
Premier English-language national financial daily newspaper portal handling massive daily readership, real-time market indices, and digital e-paper archives.
Zend Certified PHP Engineer & Full-Stack Developer
14+ years crafting scalable enterprise web systems, high-availability backends, and modern cloud architectures.

Senior Web Developer @ Daffodil Group · Lead Architect @ CodersFly
Zend Certified PHP Engineer (ZCE) with over 14 years of professional experience engineering resilient, mission-critical web applications across Bangladesh and international markets.
Currently serving as Senior Web Developer at Daffodil Group, architecting university ERP systems, high-traffic portals, and institutional APIs serving tens of thousands of active users.
Top Rated Full-Stack Developer on Upwork with an unbroken 100% Job Success Score (JSS) across 37+ global enterprise contracts, specializing in Laravel, Node.js, Next.js, and cloud systems.
Engineered for enterprise scale, zero downtime, and high throughput.
Reverse chronological career trajectory across enterprises, agencies, and ventures.

Directing full-stack software architecture, engineering modern SaaS solutions, and delivering scalable digital platforms for enterprise clients worldwide.

Architecting and maintaining mission-critical enterprise web applications and institutional ERP portals across Daffodil Group’s conglomerate ecosystem.

Architected and engineered itech-bd.com, an advanced technical education and e-learning platform providing interactive programming courses and digital training.

Conducting 30+ hours weekly of rigorous technical training covering modern PHP, Laravel, React.js, Node.js, MongoDB, and full-stack software engineering.

Maintaining an unbroken 100% Job Success Score (JSS) as an Upwork Top Rated full-stack developer across 37+ international contracts.

Built and maintained scalable backend services and custom REST APIs with Laravel and MySQL for training management and student onboarding systems.

Handled technical customer support, billing inquiries, and service resolution for enterprise and retail telecom subscribers while maintaining superior CSAT scores.

Delivered tier-1 technical support, account management, and network troubleshooting for corporate and retail accounts at Bangladesh’s leading telecom operator.
Secondary education with distinction in sciences, advanced mathematics, physics, and computing fundamentals.
Higher secondary foundation in business management, accounting, statistical analysis, and information systems.
Comprehensive four-year business degree focusing on strategic organizational management, team dynamics, business communication, and enterprise operations.
Production LLM pipelines, autonomous tool-use agents, RAG vector retrieval, and resilient APIs.
Bridging enterprise PHP/Laravel backends with frontier LLMs (OpenAI GPT-4o, Google Gemini 1.5/2.0) via robust streaming pipelines and strict JSON schema guarantees.
Designing multi-turn autonomous coding and operations agents capable of recursive task planning, inspecting workspaces, and calling external APIs dynamically.
Developing enterprise Retrieval-Augmented Generation architectures to ground generative models in proprietary institutional databases and documentation.
Hardening generative endpoints for production workloads with intelligent caching, token budgeting, circuit breaking, and latency optimization.
<?php
namespace App\Services\AI;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Cache;
use App\Tools\DatabaseInspectionTool;
use App\Tools\TelemetryAnalyzerTool;
class AgenticFlightService
{
protected string $apiKey;
protected string $model = 'gpt-4o';
public function __construct()
{
$this->apiKey = config('services.openai.key');
}
/**
* Execute autonomous multi-turn reasoning loop with function tool-calling
*/
public function executeMissionDirective(string $directive, array $context = []): array
{
$messages = [
['role' => 'system', 'content' => 'You are an autonomous flight navigation AI.'],
['role' => 'user', 'content' => $directive]
];
$tools = $this->getRegisteredFlightTools();
for ($iteration = 0; $iteration < 5; $iteration++) {
$response = Http::withToken($this->apiKey)
->timeout(30)
->post('https://api.openai.com/v1/chat/completions', [
'model' => $this->model,
'messages' => $messages,
'tools' => $tools,
'tool_choice' => 'auto',
'temperature' => 0.2,
])->json();
$message = $response['choices'][0]['message'];
$messages[] = $message;
// Stop condition: model returned final answer
if (empty($message['tool_calls'])) {
return [
'status' => 'SUCCESS',
'output' => $message['content'],
'iterations' => $iteration + 1
];
}
// Execute called tools and append results back to context
foreach ($message['tool_calls'] as $toolCall) {
$toolName = $toolCall['function']['name'];
$arguments = json_decode($toolCall['function']['arguments'], true);
$toolResult = $this->dispatchTool($toolName, $arguments);
$messages[] = [
'role' => 'tool',
'tool_call_id' => $toolCall['id'],
'content' => json_encode($toolResult)
];
}
}
return ['status' => 'MAX_ITERATIONS_REACHED', 'messages' => $messages];
}
}National newspapers, institutional ERPs, eCommerce brands, and SaaS tools.

Premier English-language national financial daily newspaper portal handling massive daily readership, real-time market indices, and digital e-paper archives.

Leading Bangla national daily newspaper with multi-edition publishing, automated category syndication, and sub-second page delivery.

Modern boutique hotel web portal with real-time room availability calendar, dynamic pricing engine, online reservations, and guest CRM.

Enterprise IT solutions and e-learning academy platform featuring interactive programming courses, video delivery, and certificate verification.

High-speed multi-vendor dropshipping and reselling e-commerce platform with automated product synchronization and courier logistics APIs.

Official electronics e-commerce store for Rangs Group featuring expansive product catalogs, EMI calculation, payment gateway integration, and stock tracking.

Institutional education ERP portal featuring digital student admissions, dynamic examination result publication, and institutional notices archive.

Comprehensive academic portal with student information system (SIS), online fee collection gateways, attendance tracking, and admission management.

Polytechnic institute portal under BTEB offering 4-year diploma engineering curriculums, online applicant screening, and academic administration.

Academic web portal for HSC, BBA, and B.Sc in CSE programs under National University and Dhaka Education Board.

Prominent IT freelancing training platform with over 300 batches, interactive learning management system (LMS), and student forum integration.

Official academic portal for Daffodil Institute of Engineering Technology providing BTEB diploma curriculums, online semester registrations, and notices.

Youth technology education platform under Daffodil Education Network offering courses in kids coding, robotics, IoT, and digital media.

Pioneer professional training institute offering government-certified skill development, diploma courses, and corporate career placement tracking.

Premier health, beauty, and lifestyle eCommerce brand delivering curated organic products with secure instant checkout and courier delivery tracking.

Academic organization portal for Shanto-Mariam Foundation managing multidisciplinary educational institutes, faculty profiles, and student admissions.

Search intelligence, real-time keyword ranking analytics, and competitor visibility tracking SaaS engineered for digital marketing agencies.
Initiate subspace transmission for enterprise consulting, high-availability architecture inquiries, or contract software engineering.
9 Sher-E-Bangla Road, Hazaribagh, Dhaka-1209, Bangladesh