Muhammad A.

Data & AI Engineer | MLOps, Big Data, Cloud, Python, Ai Web & App Dev

With 10 years of strong expertise in Data Engineering, AI/ML Engineering, Big Data Technologies, Python, Cloud Infrastructure, and Business Intelligence, I build end-to-end data platforms and AI-powered systems from ingestion and transformation to analytics-ready warehouses, intelligent automation, and production-grade AI applications. If you need clean, structured, and production-ready data architecture, AI-powered SaaS platforms, or intelligent automation systems, I can design and implement them efficiently. What I Can Help You With AI & Machine Learning Engineering: LLM applications using Claude, OpenAI, and open-source models. RAG pipelines with hybrid retrieval, vector databases, and citation-grounded outputs. Multi-agent orchestration using LangChain, LangGraph, and CrewAI. AI voice agents using VAPI, Retell AI, ElevenLabs, and Whisper. Prompt engineering, structured outputs, and LLM evaluation frameworks. Computer vision, NLP, and predictive modelling. Fine-tuning with LoRA, PEFT, and HuggingFace Transformers. MLOps covering model versioning, experiment tracking, and production monitoring. AI workflow automation using n8n, Make, and custom orchestration. Full-Stack AI Application Development: Production SaaS platforms with AI integration. React, Next.js, TypeScript, and React Native for web and mobile. Python FastAPI, Node.js, NestJS, and Django for backend. Supabase, PostgreSQL, Redis, and Firebase. Stripe subscription billing and multi-tenant architecture. Cloud deployment on AWS, GCP, and Azure with Docker and Kubernetes. CI/CD pipelines and production DevOps. Data Engineering & ETL: Building scalable ETL/ELT pipelines. Apache Airflow and workflow orchestration. Apache Spark, Hadoop ecosystem, and Python. Batch and real-time data processing. Data cleaning, transformation, and quality validation. Workflow automation and scheduled pipelines. dbt for transformation logic and data modelling. Big Data & Streaming: Apache Spark for batch and distributed processing. Kafka, Flink, and Spark Streaming. HDFS and Data Lake architectures. Hive, Pig, and HBase. Distributed data systems. Data Warehousing & Databases: Snowflake, BigQuery, and Amazon Redshift. Star Schema and Snowflake Schema design. OLAP and analytical modelling. Query optimisation and indexing. SQL covering PostgreSQL, MySQL, and SQL Server. NoSQL covering MongoDB, Cassandra, and Redis. Vector databases covering Pinecone, pgvector, Weaviate, and FAISS. Cloud & DevOps: AWS covering S3, EC2, Lambda, RDS, IAM, VPC, ECS, ECR, CloudFront, API Gateway, Bedrock, and SageMaker. GCP covering BigQuery, Dataflow, GKE, Cloud SQL, Cloud Storage, Cloud Run, and Vertex AI. Azure covering Data Factory, Storage, Data Lakes, Azure OpenAI, and Container Apps. Docker, Microservices, and Kubernetes. Terraform for Infrastructure as Code. CI/CD pipelines. Scalable cloud architecture. Cloud Migrations: AWS RDS, Google Cloud SQL, and Azure SQL Database. Moving workloads and applications between cloud providers. Leveraging microservices and containers for cloud migration. Moving data between cloud storage systems, data lakes, and warehouses. Rehosting applications or services with minimal codebase changes. Business Intelligence & Analytics: Power BI and Tableau dashboards. DAX and Power Query. KPI development and metric definition. Business performance reporting. Data storytelling and insights. AI-powered analytics and natural language querying. Data Extraction & Automation: Web scraping using BeautifulSoup, Scrapy, Selenium, and Playwright. Automated data extraction from dynamic and JavaScript-rendered websites. API integration and structured data parsing. CAPTCHA handling and rate-limit management. Scheduled scraping workflows using Airflow and Cron. AI-powered document extraction using OCR, Claude Vision, and Textract. Data cleaning, validation, and structured database storage. Voice AI & Conversational Systems: Production voice AI platforms for businesses. Inbound and outbound AI calling systems. WhatsApp, SMS, and email automation. CRM integration and appointment booking. Multi-language voice agents with real-time conversation. 30 plus AI and software products shipped across healthcare, fintech, e-commerce, legal, and enterprise SaaS. UK-based, remote, and available for long-term engagements.