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Project details
What sets me apart as a Ruby on Rails backend developer is my ability to build scalable, efficient, and secure applications while ensuring seamless integration with frontend systems and third-party services.
I don’t just write code—I architect solutions that optimize performance, enhance security, and support business growth.
I don’t just write code—I architect solutions that optimize performance, enhance security, and support business growth.
Programming Languages
JavaScript, Ruby/Ruby on Rails, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, LocalizationWhat's included
| Service Tiers |
Starter
$500
|
Standard
$800
|
Advanced
$1,000
|
|---|---|---|---|
| Delivery Time | 7 days | 15 days | 18 days |
Number of Revisions | 3 | 3 | 3 |
Number of Pages | 3 | 3 | 3 |
Design Customization | - | - | |
Content Upload | - | - | |
Responsive Design | - | - | |
Source Code | - | - |
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NU
Najeeb U.
Sep 30, 2025
Expert Ruby on Rails Developer Needed
He is an experienced Full Stack developer, Plan to hire him again!
About Talha
Senior AI/ML Engineer | Python, FastAPI, LLMs, AI Agents & RAG
Lahore, Pakistan - 3:29 am local time
Building reliable AI systems requires scalable backend architecture, strong data pipelines, and infrastructure that holds up under real-world load. That's where I come in.
I'm a Senior Python Backend Engineer with 7+ years of experience building scalable backend systems, APIs, and cloud infrastructure. In recent years, I've specialized in AI and Machine Learning solutions. I help founders, CTOs, and product teams design, build, and scale AI-first MVPs, LLM-powered products, and enterprise platforms from architecture through production.
My experience spans AI startups, SaaS companies, and Fortune 1000 organizations across FinTech, HealthTech, EdTech, MarTech, and PropTech. I also leverage AI-assisted development workflows with Claude Code and Cursor to accelerate delivery while maintaining high-quality, production-ready code.
𝐖𝐡𝐚𝐭 𝐈 𝐓𝐲𝐩𝐢𝐜𝐚𝐥𝐥𝐲 𝐁𝐮𝐢𝐥𝐝
• AI-powered SaaS Products
• LLM Applications, AI Agents & AI Assistants
• Predictive Analytics & ML Models
• Intelligent Workflow Automation
• Backend Systems & APIs
• Cloud-Native Applications
• Data Engineering & ML Pipelines
• Platform Modernization & Scaling
The following sections highlight my core expertise across AI, Machine Learning, and Python backend engineering.
𝐀𝐈 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐒𝐲𝐬𝐭𝐞𝐦𝐬
→ 𝐋𝐋𝐌 & 𝐆𝐞𝐧𝐞𝐫𝐚𝐭𝐢𝐯𝐞 𝐀𝐈: Retrieval-Augmented Generation (RAG) • AI Assistants • AI Copilots • AI Agents • Multi-Agent Workflows • Enterprise Knowledge Search • Semantic Search & Vector Retrieval • Prompt Engineering • Function Calling & Structured Outputs • LLM Evaluation • Intelligent Workflow Automation
→ 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐜𝐞: Information Extraction • Structured Document Processing • Document Understanding
→ 𝐕𝐨𝐢𝐜𝐞 & 𝐂𝐨𝐧𝐯𝐞𝐫𝐬𝐚𝐭𝐢𝐨𝐧𝐚𝐥 𝐀𝐈: Voice AI Agents • Speech-to-Text (STT) • Text-to-Speech (TTS) • Conversational AI Applications
𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: OpenAI (GPT-4o) • Claude • Gemini • Llama • Mistral • LangChain • LangGraph • LlamaIndex • AutoGen • Pinecone • Weaviate • FAISS • pgvector • Milvus • Whisper • Deepgram • AssemblyAI • ElevenLabs • VAPI • Retell AI
𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠, 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 & 𝐌𝐋𝐎𝐩𝐬
→ 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠: Predictive Analytics • Recommendation Systems • Classification & Regression Models • Natural Language Processing (NLP) • Deep Learning • Feature Engineering • Model Training & Evaluation
→ 𝐂𝐨𝐦𝐩𝐮𝐭𝐞𝐫 𝐕𝐢𝐬𝐢𝐨𝐧: Computer Vision • Image & Video Processing • OCR • Vision AI Applications
→ 𝐌𝐋𝐎𝐩𝐬: Model Deployment & Monitoring • Experiment Tracking • Production ML Pipelines
𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: PyTorch • TensorFlow • Hugging Face • Scikit-learn • Pandas • NumPy • MLflow • Apache Airflow • OpenCV • YOLO • CNNs • Vision Transformers
𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞
Reliable AI products are built on scalable backend architecture. Python backend engineering is the foundation behind every AI application I build.
→ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Python (FastAPI, Django & Flask) • REST APIs & GraphQL • Microservices & Event-Driven Architecture • Authentication & Authorization
→ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 & 𝐒𝐚𝐚𝐒 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Multi-Tenant SaaS Architecture • Background Processing & Task Queues • Asynchronous Services • API Integrations
→ 𝐃𝐚𝐭𝐚 𝐒𝐭𝐨𝐫𝐚𝐠𝐞 & 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: PostgreSQL • MongoDB • Redis
→ 𝐂𝐥𝐨𝐮𝐝 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 & 𝐃𝐞𝐯𝐎𝐩𝐬: Docker • Kubernetes • AWS Cloud Infrastructure • CI/CD Pipelines
𝐒𝐞𝐥𝐞𝐜𝐭𝐞𝐝 𝐀𝐈 & 𝐒𝐚𝐚𝐒 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬
xiQ — Built backend services, AI-powered account intelligence, content personalization, and Machine Learning data pipelines supporting Fortune 1000 sales organizations.
Acadexis — Built backend systems, analytics infrastructure, and large-scale data pipelines processing data from 1,600+ institutions and over 500,000 job descriptions.
Archer Affiliates — Built marketplace infrastructure, affiliate management systems, commission tracking, automated payouts, and reporting platforms.
ItsaCheckmate — Built enterprise backend services and POS integrations connecting restaurant systems with Uber Eats, DoorDash, and Grubhub across thousands of locations.
𝐋𝐞𝐭'𝐬 𝐁𝐮𝐢𝐥𝐝 𝐒𝐨𝐦𝐞𝐭𝐡𝐢𝐧𝐠 𝐒𝐜𝐚𝐥𝐚𝐛𝐥𝐞
If you're looking for an engineer who can take ownership from architecture through production and build systems designed to scale, I'd love to learn more about your project.
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