07/07/2026 updated

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Full Stack Developer | Applied AI Engineer | CRM & SaaS Specialist

Chishtian, Pakistan
Only remote
Bachelor's Degree in Computer Science
Chishtian, Pakistan
Only remote
Bachelor's Degree in Computer Science

Profile attachments

CV_Muhammad_Siddique.docx.pdf

About me

I am a Full Stack Developer and AI/CRM Automation Specialist with 6+ years of experience in Perfex CRM, WordPress, PHP, CodeIgniter, MySQL, API integrations, and 3+ years working with AI-powered workflows using GPT, Claude, Gemini, n8n, Zapier, Make, and webhooks.

AI AgentsChatGPTPHPBuild AutomationMobile Application DevelopmentCodeIgniterMobile Application SoftwareLaravelQuickBooks (Software)Website ArchitectureChatbotsReact.jsZapierStripeReact NativeXero (Accounting Software)
CRM & SaaS Development
Deep expertise in Perfex CRM including deep customization, module development, and workflow automation. Proven track record of building and shipping full SaaS products such as aureus-crm.de, opeline.fr, and pointflow.ai for various industries.

AI & Automation Engineering
4+ years of experience building production-grade AI automation systems using LLMs, AI Agents, GPT/Claude/Gemini, LangChain, RAG, n8n, Zapier, and Make.com. Specialization in LLM-powered agents, intelligent chatbots, and end-to-end automation workflows.

Full Stack Web & Mobile Development
Strong proficiency in PHP, Laravel, CodeIgniter, JavaScript, React Native, and WordPress. Experience architecting scalable cloud-native applications and delivering complete frontend and backend solutions.

Cloud & DevOps
Hands-on experience with AWS S3 for scalable file storage and Azure DevOps for CI/CD pipelines and automated deployments.

Database Management
Proficiency in MySQL and API-driven data pipelines for efficient data management and integration across systems.

Payment & API Integrations
Extensive experience integrating payment gateways and APIs including Stripe, Checkout.com, USAePay, Payrexx, Xero, Google APIs, Meta APIs, AWS S3, Outlook APIs, Facebook SDK, and Twilio.

RAG & Document-Trained AI Assistants
Design and implementation of retrieval-augmented generation (RAG) workflows for document-trained assistants enabling summarization, classification, and knowledge-driven automation.

Prompt Engineering
Certified in ChatGPT Prompt Engineering for Developers by DeepLearning.AI, with practical application in building LLM-powered content generation and task automation systems.

No-Code AI Agent Building
Certified No Code AI Agent Builder using n8n, enabling rapid development of automation pipelines and AI-driven workflows without traditional coding overhead.

Experience

Professional experience5 - 10 years
Freelancer since2019

Languages

EnglishFluent

Project history

Team Lead | Full-Stack Developer | Perfex CRM Specialist

Aureus CRM
Led a team to customize and enhance CRM modules for efficiency and customer management. Implemented Google, Outlook, Stripe, USAePay, Payrexx, and Facebook API integrations. Developed ZUGFeRD formatted invoices for compliance and automated billing workflows. Continuously optimized CRM workflows to improve customer loyalty and operational throughput. Aureus CRM simplifies customer management, order planning, and communication for building services providers. Location: Frankfurt, Germany (Remote).

Applied AI Engineer | Full-Stack Developer

PointFlow.ai
Worked on building production-grade AI assistants and automation systems powered by large language models. Built LLM-powered applications for content generation, automated research, email processing, request classification, and multimodal workflows. Developed AI agents and chatbots with memory-enabled conversations and tool/API integrations. Designed document-trained assistants using RAG workflows. Implemented a secure Python sandbox environment for AI code execution. Integrated AWS S3 for scalable file storage. Built an email-driven interaction layer using Mailgun. Contributed to designing scalable backend systems supporting AI agents and automation pipelines. Technologies: Python, GPT/Claude-based systems, AWS S3, Mailgun, LangChain, RAG, API Integrations. Location: Washington, USA (Remote).

Perfex CRM Specialist

Myr.ai
Customized and automated workplace processes using Perfex CRM. Integrated third-party APIs for workflow automation and operational enhancements. Full-Time, Remote.

Certificates

Claude Code in Action

Anthropic

2026

ChatGPT Prompt Engineering for Developers

DeepLearning.AI

2025

No Code AI Agent Builder (n8n)

Simplilearn Education

2025


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