You will get Expert JavaScript Developer for High-Performance Web Applications
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Project details
Develop a cross-platform application using JavaScript to ensure compatibility with both web & mobile apps.
User Authentication: Implement secure user login and registration using Secure Authentication.
Data Management: Utilize Redux for state management to ensure efficient data flow across components.
Real-time Updates: Integrate Realtime Database for instant data synchronization.
Push Notifications: Implement push notifications usingCloud Messaging to engage users with timely updates.
Offline Support: Enable offline data persistence using AsyncStorage for seamless app usage even without internet connectivity.
UI/UX Design: Follow Material Design principles and utilize libraries for a cohesive and user-friendly interface.
Timeline: Estimated development time is 3 months, including iterative testing and feedback incorporation.
Team Composition:
Frontend Developers (JavaScript, React, Angular, Next)
Backend Developers (Node, Nest, LangChain)
Quality Assurance Engineers
Outcome: Deliver a robust, scalable, and user-friendly mobile application that meets client requirements and enhances user experience across multiple platforms.
User Authentication: Implement secure user login and registration using Secure Authentication.
Data Management: Utilize Redux for state management to ensure efficient data flow across components.
Real-time Updates: Integrate Realtime Database for instant data synchronization.
Push Notifications: Implement push notifications usingCloud Messaging to engage users with timely updates.
Offline Support: Enable offline data persistence using AsyncStorage for seamless app usage even without internet connectivity.
UI/UX Design: Follow Material Design principles and utilize libraries for a cohesive and user-friendly interface.
Timeline: Estimated development time is 3 months, including iterative testing and feedback incorporation.
Team Composition:
Frontend Developers (JavaScript, React, Angular, Next)
Backend Developers (Node, Nest, LangChain)
Quality Assurance Engineers
Outcome: Deliver a robust, scalable, and user-friendly mobile application that meets client requirements and enhances user experience across multiple platforms.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$500
|
Standard
$1,000
|
Advanced
$2,000
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code | - | - | - |
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IM
Ivana M.
Feb 23, 2026
full stack developer
It was a real pleasure collaborating with this freelancer. Communication was clear and easy throughout, tasks were handled with care, and everything was delivered in a professional and reliable way. Collaboration was smooth and enjoyable, and the overall quality of the work met our expectations very well. A great experience overall.
JP
Jason P.
Dec 11, 2025
Mid-Level FS Developer for High Volume Tasks
Ali was great to work with and a skilled developer.
BC
Bill C.
Jul 22, 2025
Blitz.js / Next.js Developer
Highly recommend Ali, would absolutely work with him again.
IM
Ivana M.
Jul 4, 2025
Looking for Fullstack Developer
It was a pleasure working with Ali. Communication was smooth, deadlines were respected, and the overall collaboration was professional and efficient. I would definitely consider working together again in the future. Recommended!
HM
Hassan M.
May 24, 2025
Immediate Hire: Highly Experienced React Developer (TypeScript)
Working with Ali was a great experience. He delivered everything smoothly and on time. The quality of work was solid, and I’d definitely recommend him to others.
About Ali Ahsan
Senior Full Stack | MERN | MEAN | LLMs | Javascript | AI | Voice AI
100%
Job Success
Rawalpindi, Pakistan - 9:46 pm local time
AI & LLM Expertise:
- Retrieval-Augmented Generation (RAG) pipelines (vector DBs, hybrid search, reranking)
- AI Agents & Tool Use (LangChain, custom agent orchestration, function calling)
- Conversational AI (chatbots, voice agents, multi-turn memory systems)
- Prompt Engineering & Structured Outputs (JSON schemas, validation layers)
- Real-time AI systems (streaming responses, WebRTC + LLM integration)
- Multi-step AI pipelines (generation → validation → action workflows)
- LLM integrations (OpenAI, Claude, open-source models like LLaMA)
🚀AI Projects:
AI Phone Agent Platform:
- Developed an AI receptionist handling real-time calls, lead qualification, and appointment booking
- Implemented LLM-driven conversations with sub-2s streaming responses
- Designed queue-based architecture (Redis + BullMQ) for outbound AI calling workflows
- Integrated Twilio, SMS automation, and multi-tenant SaaS logic
RevenueReceptionist (AI Automation System):
- Developed AI agents for lead qualification, booking, and CRM automation
- Built multi-channel workflows (voice, SMS, API integrations)
- Designed reliable execution pipelines with retries, idempotency, and observability
AI Voice + Interview Platform:
- Developed real-time AI interview system using WebRTC + LLMs
- Implemented voice-to-AI pipelines with live feedback and analytics
- Designed structured evaluation system for candidate responses
Elunic (Industrial AI & Smart Automation Systems)
- Worked on AI-driven industrial systems integrating machine data with cloud platforms
- Designed intelligent workflows for predictive insights and operational automation
- Built data pipelines to process real-time signals and convert them into actionable outputs
- Focused on reliability, scalability, and integration with enterprise systems
I have also developed CRM systems, B2B SaaS products, workflow automation platforms, and data-intensive applications handling complex database structures and real-time processing. My focus is not just shipping features but designing systems that scale cleanly, remain maintainable, and survive long-term growth.
🧰 AI Stack:
- LLMs: OpenAI (GPT-4), Claude, LLaMA
- Frameworks: LangChain, custom agent frameworks
- Vector DBs: Pinecone, Supabase, pgvector
- Backend: Node.js, Python (FastAPI)
- Realtime: WebSockets, WebRTC
- Queues: BullMQ, Redis
- Cloud: AWS (Lambda, ECS, S3)
Other Full-Stack Expertise:
- React, Next, Angular, Node, Nest, .Net Core
- Sanity, Storyblok, Strapi, Contentful
- MySQL, PostgreSQL, MongoDB, Elastic Search
- SOLID, KISS, DRY, Test-driven Development (TDD), Microservices, Serverless Architecture, Domain Driven Design (DDD)
- AWS, Azure Cloud Services, Azure Pipeline, CI/CD DevOps
𝐋𝐞𝐭'𝐬 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞 to bring your project to life! Whether it's developing AI system development, architecting scalable solutions, or ensuring top-notch performance, I've got you covered. 𝑹𝒆𝒂𝒄𝒉 𝒐𝒖𝒕, 𝒂𝒏𝒅 𝒍𝒆𝒕'𝒔 𝒕𝒖𝒓𝒏 𝒚𝒐𝒖𝒓 𝒗𝒊𝒔𝒊𝒐𝒏 𝒊𝒏𝒕𝒐 𝒓𝒆𝒂𝒍𝒊𝒕𝒚. 👨💻
Steps for completing your project
After purchasing the project, send requirements so Ali Ahsan can start the project.
Delivery time starts when Ali Ahsan receives requirements from you.
Ali Ahsan works on your project following the steps below.
Revisions may occur after the delivery date.
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