Ubhay D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Apr 29, 2026.

🏆 Top Rated Plus 👨‍💻 𝘈𝘷𝘢𝘪𝘭𝘢𝘣𝘭𝘦 immediately ✅ 100% Job Success 🚀 On-time Delivery I’m a Full-Stack Developer specializing in Python-driven backend systems and modern React frontends, with strong experience designing scalable, cloud-native applications on AWS. I build production-ready APIs using FastAPI and Node.js, develop responsive UIs with React, and architect end-to-end systems with clean CI/CD, DevOps, and performance optimization best practices. My portfolio includes AI-powered platforms, RAG-based search systems, workflow automation tools, and data-intensive applications deployed across AWS and Azure. My technical expertise spans the following technology stack: ✅ Full-Stack & Application Development Extensive experience across MERN & MEAN stacks, Python (Flask, Django, FastAPI), JavaScript, React, Node.js, D3.js, and cloud platforms including AWS, GCP, and Azure. Backend Development- Python, Django, Flask, Node.js, Nest.js, Java, PHP, Ruby On Rails Frontend Development- React.js, Next.js, Vue.js, Angular.js, Bootstrap Mobile Stack Development- Flutter, React Native, Swift, Unity, Objective-C ✅Artificial Intelligence & Machine Learning AI Development & APIs: OpenAI, ChatGPT, SalesGPT, AI Bots, AI Integrations Generative AI & LLMs: LangChain, LangGraph, LLM, LLama, CrewAI, WhisperAI AI Voice & Speech Processing: Vapi AI, Retell AI, 11 Labs, Whisper AI Computer Vision & Deep Learning: DeepFace, AI Model Development ✅Database & Data Management Graph & Vector Databases: Neo4j, GraphDB, GraphQL, Janus Search & Indexing: Elasticsearch, Solr Cloud & NoSQL Databases: Supabase, Firebase, Firestore, BigQuery Databases: SQL, NoSQL, MongoDB, PostgreSQL ✅Data Engineering & Big Data Data Mining, Data Management, Data Pipelines, Data Lakes, Data Integration, Transformation, Modeling, Platforms, ELT, ETL, Airbyte, Airtable, Airflow, DBT, Custom Connector ✅Business Intelligence & Analytics Tableau, R, Power BI, Looker, Kibana, Grafana, Google Data Studio, GoodData, Adverity ✅Marketing Analytics & Automation KPI Dashboard, Google Analytics, SEO Analytics, Google Ads API, API Integration, BI Tools ✅AI Workflow & Automation Tools Retool, N8N, Make, Zapier, Knime, GoHighLevel (GHL) Selenium, Jenkins, Ansible ✅ Cloud & DevOps Hands-on expertise with scalable cloud infrastructure, CI/CD pipelines, automation, and deployment strategies across major cloud providers. - AWS, GCP and Azure Available for both MVP builds and enterprise-grade systems. Let me know if you’d like a detailed portfolio or want to discuss project fit.