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Senior Node.js Backend Engineer | Microservices | API Development | AWS | Redis AI-Augmented Development (Cursor, Claude) I help startups and SaaS companies build scalable backend systems, APIs, and cloud-based platforms using Node.js and modern microservices architecture. With 8+ years of experience in backend engineering, I have worked on production platforms serving thousands of users across SaaS, gaming, marketplace, and enterprise systems. Recent platforms I contributed to include: • Scitara – Scientific data management platform • Rize.gg – Competitive gaming platform • Botevo – SaaS platform development • HomeInspectorTech – Digital inspection workflow platform • AbsoluteMatrimony – Large-scale matrimonial platform What I help clients with: • Scalable Node.js backend architecture • REST API and microservices development • Performance optimization and debugging • SaaS platform backend development • Third-party API integrations • Database design and backend scalability Tech Stack: Node.js • TypeScript • Express • Microservices • Redis • PostgreSQL • MongoDB • AWS • Docker I also leverage AI-assisted development tools such as Cursor and Claude to accelerate debugging, refactoring, and development while maintaining high code quality and engineering standards. If you're building a SaaS platform, backend system, or API-driven product, I can help design and implement reliable and scalable backend solutions.

I’m an AI Engineer with 4+ years of experience across Computer Vision, Industrial AI, Predictive Maintenance, Generative AI, Agentic AI, and AI-powered content creation. I work across the complete AI lifecycle—from data processing and model development to automation, deployment, and production workflows. Key AI/ML Experience Predictive Maintenance: Vibration feature extraction, anomaly detection, forecasting, trend analysis, and real-time alarm detection. Computer Vision: U-Net, Detectron2, YOLO, OpenCV, corrosion and defect detection, oil-spill segmentation, and video analytics. AI Safety Systems: Multi-camera smoking detection and proximity estimation. Generative AI: Diffusion models, synthetic data generation, dataset balancing, and prompt engineering. Agentic AI: LangChain/LangGraph workflows for automated analysis, decision-making, and task automation. AI Content Creation I also create and manage MINI GENIUS MINDS - KIDS RHYMES, producing AI-powered nursery rhymes, educational videos, animated stories, songs, and YouTube Shorts. My end-to-end workflow includes ideation → scripting → AI visuals → video generation → music/voice → editing → thumbnails → SEO → YouTube upload. Tools: ChatGPT, Gemini, Google Flow, AI video/image models, Suno AI, Adobe Express, YouTube Studio, and prompt-engineering workflows. Tech Stack Python, TensorFlow, PyTorch, Keras, OpenCV, Detectron2, YOLO, Scikit-Learn, Pandas, NumPy, SciPy, FastAPI, Flask, Docker, Git, AWS, SQL, ScyllaDB, LangChain, LangGraph, Diffusion Models, NLP, Web Scraping, Automation. I combine strong AI engineering expertise with hands-on Generative AI and content-production skills, allowing me to quickly learn new AI tools, build efficient workflows, and deliver practical production-ready solutions.

Software Engineer with 2+ years of experience building scalable data platforms, backend systems, automation solutions, and cloud-native applications. I enjoy solving complex engineering problems and developing reliable, production-ready software across Data Engineering, AI/ML, and Full Stack development. Core expertise includes: 🚀 Data Engineering & ETL/ELT Pipelines ☁️ AWS Cloud & Distributed Data Processing ⚡ Python, PySpark & SQL 📊 Data Warehousing & Analytics 🤖 AI/ML Data Pipelines & MLOps Support 🌐 Full Stack Development (MERN, MEAN, Django, FastAPI, Flask) 🔗 REST API Development & System Integration 🐳 Docker, Git, CI/CD & Workflow Automation I work with technologies including Python, PySpark, SQL, PostgreSQL, MongoDB, AWS (S3, Glue, EMR, Redshift, Lambda), FastAPI, Django, Flask, React, Node.js, Express.js, Docker, Airflow, Nextflow, Git, and Linux to build scalable, production-grade solutions. I also have hands-on experience with RNA-Seq, Single-cell RNA-Seq, Proteomics, and Multi-Omics data engineering projects, focusing on scalable data processing and analytics-ready datasets. I'm open to opportunities in Data Engineering, Bioinformatics Data Engineering, AI/ML Engineering, Backend Development, and Full Stack Development, where I can contribute to building scalable, high-impact software and data-driven solutions.

40+ Hours Available Per Week Top Rated Plus full-time freelancer Manual QA with over 8+ years of experience in Software Quality Assurance, specializing in manual testing, functional and regression testing, cross-platform mobile and web application testing, API testing, workflow validation, and SaaS application QA. Extensive experience testing AI Voice & Chat Assistant platforms including Retell, Bland, Vapi, Wishpond AI, Senior Care AI, and more, along with marketplaces, booking systems, and enterprise applications. As a Top-Rated Plus freelancer on Upwork, I have delivered QA services to clients worldwide, backed by 250+ 5-star ratings ⭐, and tested 310+ mobile apps and 120+ web applications, collaborating with organizations like UNICEF and brands I test applications across all types of network conditions, including 3G, 4G, and 5G, as well as high-speed connections (1Gbps) and low-speed scenarios down to kilobits per second (kbps), ensuring optimal performance and usability under real-world conditions. Key Achievements: 🏆 Top Rated Plus freelancer with 8+ years of professional QA experience ⭐ 225+ 5-star reviews from satisfied clients 📌 300+ Upwork projects successfully completed 🤖 10+ AI Voice & Chat Assistant platforms tested (Retell, Bland, Vapi, Wishpond AI, Senior Care AI, etc.) 🚀 Tested and launched 70+ startup products successfully to the store ⏰ Worked over 27,600+ hours on Upwork. 📱 Android: Samsung Galaxy S24 Ultra, Samsung Galaxy S21 Plus, Poco X4, RealMe GT Master Edition, OnePlus 9, OnePlus 8T, Samsung A18 📱 iOS: iPhone 16 Pro Max, iPhone 14 Pro Max, iPhone 14 Plus,iPhone 15 Plus, iPhone 13 Pro Max, iPhone 11, iPhone XR 💻 Desktop: MacBook Air, HP Pavilion X360, RealMe Book, Lenovo ThinkPad, Samsung Galaxy Book 4 & 5 Manual QA Skills: • AI Model Performance Testing • AI Agent Functional & Usability Testing • Conversational AI & Chatbot Testing • Requirement Analysis • Test Case Design & Execution • Defect Reporting & Management • SEO Testing • Functional Testing • End-to-End Testing • Integration Testing • Exploratory Testing • PWA Testing (Progressive Web App Validation) • Reverse Testing – Test with Invalid/Unexpected inputs to ensure robust error handling & stability • Regression Testing • Cross-Browser Testing • Mobile App Testing (iOS & Android) • Usability Testing • UI/UX Testing • Payment Gateway Testing • System Testing & Acceptance Testing • API Testing (Postman, Swagger) • Performance Testing (Basic manual approach using tools) 🤖 AI Testing Expertise • AI Model Performance & Response Accuracy Validation • Conversational Flow, NLP Intent & Entity Testing • Voice Agent Quality Testing (ASR, TTS, Latency, Filler Word Detection) • Knowledge-Base and Prompt Flow QA • Context Retention & Session Continuity Testing • Multi-Agent Coordination and Voice Call Testing • Real-World AI App Testing (Retell, Bland, Vapi, ElevenLabs, Play.ht, Wishpond AI, Senior Care AI) Tools & Platforms: • Bug Tracking & Management: JIRA, Trello, Asana, Linear, ScribeHow • Collaboration & Reporting: Google Sheets, Notion, Slack • Testing Platforms: BrowserStack, physical devices • Performance & Analytics Tools: GTmetrix, SimilarWeb • Documentation: Test Plans, Test Cases, Checklists, FRS, User Manuals Domains Expertise: • eCommerce (Shopify, WooCommerce) • SaaS Applications • Healthcare • Mobile Applications • Insurance • Banking & Financial Services • Gaming • Point of Sale (POS) • ERP Systems • OpenAI Integration With a strong commitment to delivering error-free, high-performing software, I aim to exceed quality expectations and provide products that users love. I am available for flexible timings across any time zone and dedicated to helping you bring your software to the highest standards of performance and user satisfaction. Why Choose Me? ✔️ Proven expertise in Manual QA testing ✔️ Comprehensive experience across web and mobile platforms ✔️ Skilled in test documentation, ensuring a structured and repeatable testing process ✔️ Ability to identify critical defects and edge cases ✔️ Adaptable to both Agile and Waterfall methodologies ✔️ Flexible work hours to meet your project needs ✔️ Expert in crawling websites to ensure flawless functionality and SEO perfection -------------------------------------------------------------------------------------------------------- Related Keywords: Manual Testing, API Testing, Web Testing, Mobile App Testing, Regression Testing, Cross-Browser Testing, Test Case Design, Jira, UI/UX Testing, End-to-End Testing, Functional Testing, Bug Reports, Quality Assurance, iOS Testing, Android Testing, Test Plan, Usability Testing, User Testing, Software Testing, Manual QA, AI Testing, Chatbot Testing, Voice AI Testing, NLP Testing, Mobile App QA, Conversational AI, AI Model Evaluation, Reverse Testing, PWA Testing, Progressive Web App Validation, AI Apps Testing, Progressive Web Application, OpenAI, AI Apps, ChatGPT, Sora, Gemini, Generative AI, Chatbot

Profile Overview I am a highly skilled AI professional with a rich and varied background in creating, implementing, and scaling AI solutions in diverse industries. I am a product of top institutions, with a dual degree from BITS Pilani in MSc Mathematics and Electrical & Electronics Engineering, advanced AI studies from IIIT Hyderabad, and entrepreneurial studies from IIM Bangalore. Work Experience TrakX, AI Virtual Golf Coach: I was part of the founding team that built a unique AI system from scratch for golf coaching. We used advanced sensor fusion, real-time on-device ML processing, and developed intricate shot and posture detection algorithms, with techniques like Dynamic Time Warping. The project was backed by top VCs and led by the current CTO of Intel. Intel: As part of Intel's elite team, I contributed to scaling AI workloads, optimizing inference, and managing MLOps. I worked with cutting-edge tools like ONNX, OpenVINO, TensorRT, and Nvidia Docker, and focused on language models (NLG and NLU), model compression techniques, and more. I also helped in deploying advanced tasks like question answering and generation. Amelia, IPSoft: I worked with an esteemed global team, led by Stanford's Christopher Manning, to refine Amelia's AI capabilities, focusing on logic, reasoning, and episodic memory. Amelia now powers multiple applications, from contact centre automation to chatbots and RPA tools. Solvio: Founder and CTO, at this deep-tech education startup, I utilised NLP, NLU, and Computer Vision to serve millions of users daily. I was part of the team that saw the company's successful acquisition, having built robust data annotation frameworks, MLOps, and complex language models. US B2B Enterprise SaaS: I led AI initiatives and crafted business strategy for this AI-focused SaaS company. My contributions encompassed product matching, report generation, and attribute tagging/NER for retail commerce intelligence, using tools like GPT-3.5, GPT-4, OpenAI APIs, Langchain, Pinecode, and ChromaDB. Talently: Developed an AI hiring assistant that prompts questions and takes notes during interviews, streamlining the recruitment process for this US-based HRtech SaaS firm. Skills Advanced ML algorithms & AI systems Compression, scaling and optimising AI workloads - Triton, Kubernetes, Docker, MLOps, ONNX, OpenVINO, TensorRT, Nvidia Docker etc Transformer based language models (NLG and NLU) Distributed R&D and collaboration Business strategy and entrepreneurial mindset Strong mathematical and engineering background Strengths Able to rapidly learn and adapt to new technologies Excellent problem-solving abilities Strong communication and team collaboration skills High attention to detail Ability to lead and execute AI initiatives end-to-end I bring a blend of technical expertise, leadership, and innovation to the table, which makes me an asset in any AI-focused project or team. If you are looking for someone with a deep understanding of AI and a proven track record of success, I would be a perfect fit for your team.

🚀 Data Scientist, AI Engineer & Visualization Maven! 📊✨ Unleash the full potential of your data with a seasoned professional! 💼 With 3+ years of expertise, I seamlessly blend Python, Tableau, Power BI, Machine Learning, LLM, Generative AI, Deep Learning, and Cloud ( AWS, Azure & GCP ). 💻 Tech Alchemist: Crafting intelligent solutions through Python wizardry, Machine Learning finesse, and the magic of Generative AI. 🎨 Visual Storyteller: Transforming raw data into captivating tales with the artistry of Tableau and Power BI. ☁️ Cloud Virtuoso: Navigating the skies of Azure & AWS, ensuring your data is not just stored but strategically leveraged. 📈 3 Years Proven Excellence: From predictive analytics to stunning visualizations, your data dreams are my specialty. Ready to elevate your data strategy? Let's create a narrative that speaks volumes! 🌐🚀 #DataScienceExpert #VisualizationGuru #CloudTechWhiz ✨📈 💼 Data Science Services that I offer: ✔️ Data Scraping | Data Cleaning | Data Preprocessing | Data Wrangling ✔️ Data Analysis | Data Visualization| Data Modeling | Dashboard | Business Intelligence ✔️ Machine Learning | Deep Learning | Python Scikit-Learn | TensorFlow ✔️ Artificial Neural Network | Artificial Intelligence | Hugging Face ✔️ Generative AI | Fine-tuning.| Text Classification | AI RAG Chat Bot | AI Agents | AI Automation ✔️ Chatbot | Chatbot Development | ChatGPT | LLM Prompt | Large Language Model ✔️ Feature Engineering | Customer Segmentation | Analytics 💻⚙️🤖 Tech Stack : 👨🏽‍💻 Programming Language - Python, Java 👨🏽‍💻 Business Intelligence Tool - Tableau, Microsoft Power BI, Looker Sudio 👨🏽‍💻 SQL Data Base - MySQL, PostgreSQL 👨🏽‍💻 NoSQL Data Base - MongoDB 👨🏽‍💻 Vector Database - Pinecone DB 👨🏽‍💻 Data Warehouse - AWS Redshift, Snowflake 👨🏽‍💻 Web Backend Framework - Django (Python), Flask (Python), Spring Boot (Java) 👨🏽‍💻 Cloud - Microsoft Azure ( 3 X Certified ), Amazon Web Services (AWS) 💼 Work-Pattern : ✅ Understing your requirements --- ✅ My Analysis/Work --- ✅ Review Project --- ✅Revisions / Approval --- ✅Order Delivery 💼 Data Preprocessing : ✔️ Dealing with missing data ✔️ Complete EDA ✔️ Outlier Detection and Correction ✔️ Feature Engineering ✔️ Normalization ✔️ Standardization 💼 Data Visualization using Python: ✔️ Python Matplotlib ✔️ Python Plotly ✔️ Python Seaborn 💼 Business Intelligence Dashboard : ✔️ Tableau (Tableau Prep / Tableau Server / Tableau Desktop) ✔️ Power BI (Dashboards / Reports / DAX Calculation) ✔️ Python using Plotly (Customised Dashboard with Python using Streamlit Framework) 💼 Machine Learning : ✔️ Linear Regression ✔️ Logistic Regression ✔️ K-nearest neighbour (KNN) ✔️ Decision Tree Classifier ✔️ Clustering Algorithms 💼 Generative AI: ✔️ Fine-tuning ✔️ RAG Chatbot ✔️ AI Agent ✔️ AI Automation ✔️ AI Integration ✔️ And many more 💼 What do you expect from us? ✔️ Available in All Time Zones ✔️ 100% Satisfactory Service ✔️ No Delay Delivery ✔️ Unlimited Delivery ✔️ Fast Response ✔️ Friendly & Professional Conversation #Data Analysis #VIzualization #Python #Tableau #Data Science #ML #Dashboard