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Every time a user encounters a bug, your business loses trust—and revenue. As a Senior QA Engineer and ISTQB-certified professional with 7+ years of experience, my mission is simple: I protect your product's reputation so you can deploy with absolute confidence. Whether you are scaling a SaaS platform, launching a healthcare app, managing a telecom network, or deploying a complex enterprise banking application, I ensure your releases are flawless, fast, and user-ready. By bridging the gap between development and the end-user, I help teams accelerate release cycles, drastically reduce production bugs, and lower business risk. 🏆 Proven Business Impact I don't just run tests; I ensure software scales flawlessly under pressure. Over my career, I have logged 27,200+ billable hours and safeguarded products for millions of users: Telecom (Vivo & Salam): Delivered 800+ QA projects optimizing network systems and billing logic, ensuring stability for over 55M combined active users. Banking & Fintech: Completed 200+ rigorous testing projects, securing platforms for 6M active users while maintaining strict data integrity. ✅ SPECIALIZED DOMAIN EXPERTISE Different industries require different testing strategies. Here is how I protect your specific niche: 🏥 Healthcare & HealthTech: Focused on absolute accuracy, secure patient data handling (HIPAA compliance), diagnostic software workflows, and stable telehealth integrations. 🏦 Banking & Fintech: Rigorous testing of transaction logic, financial security protocols, ledger accuracy, and seamless banking app experiences. 📡 Telecom: Validating complex billing systems, network condition handling (3G/4G/5G), and high-volume data interactions without service interruption. 🛒 E-commerce & Retail: End-to-end checkout flow validation, payment gateway testing, UI/UX optimization, and POS systems to ensure zero cart-abandonment due to bugs. 🛡️ Insurance: Verifying complex claims processing logic, policy management systems, risk calculation algorithms, and secure document handling. ✅ CORE QA SERVICES & TECHNICAL SKILLS 🧪 SaaS & AI Testing SaaS Testing: Validating complex user workflows, onboarding, role/permissions, subscription billing, and dashboards. AI Testing: Validating AI workflows, Chatbot Testing, hallucination detection, prompt/response verification, and edge case handling. 💻 Web & Mobile App Testing Website Testing & Web Testing: End-to-end coverage including UI/UX, responsive design, and Cross Browser Testing. Mobile App Testing: Comprehensive Android Testing and iOS Testing across various network conditions and OS versions. Cross Device Testing: Testing on a massive real-device lab (iPhone 13 to 16, Samsung S24 Ultra/S26, OnePlus, Xiaomi, Mac, and PC) and via BrowserStack. ⚙️ Manual QA & Software Testing Lifecycle Comprehensive Quality Assurance acting in seamless integration with your Agile and Scrum teams: Functional Testing & Regression Testing Smoke Testing & Sanity Testing Exploratory Testing & Usability Testing Performance Testing & Load Testing (using JMeter) 🔌 API & Automation Testing API Testing: Deep request/response verification and microservices validation using Postman, Swagger, and REST API / SOAP protocols. Automation Testing Support: Building the foundation for QA Automation and CI/CD integration using Selenium (Java), Playwright (TypeScript), Cypress, and REST Assured. 📋 Bug Reporting & Test Management Crystal-clear Bug Reporting is my priority. You will never have to guess how to reproduce an issue. I provide step-by-step reproduction guidelines, screenshots, and screen recordings. Tools: JIRA, TestRail, ClickUp, Trello, Asana, Google Sheets. 🤝 WHY CHOOSE ME AS YOUR QA TESTER? ✔ Tested at Scale: 310+ mobile apps and 120+ web applications successfully tested. ✔ Certified Professional: ISTQB Foundation Certified & Tricentis Tosca Specialist. ✔ Highly Available: 40+ hours per week with flexible hours across all time zones. ✔ Long-Term Partner: I act as an extension of your team, deeply invested in your product's success. Ready to stop bugs from reaching your production environment? Send me an invitation or a message today, and let's discuss how we can elevate your product quality.

Senior Embedded Systems & IoT Engineer | 9+ Years of Innovation I am an Embedded Systems Engineer with deep expertise in industrial IoT, ultra-low power design, and multi-protocol connectivity solutions. My career spans from foundational embedded systems to cutting-edge industrial applications, with a proven track record of delivering breakthrough performance in power optimization and system reliability. Notable Achievements: - 4+ year battery life on LoRaWAN devices (industry-leading performance) - Sub-2µA sleep current optimization in production systems - Safety-critical systems for mining vehicle environmental control - Multi-protocol IoT platforms with adaptive connectivity (WiFi → NBIoT → LoRaWAN) Core Technical Expertise: Industrial IoT & Connectivity: - LoRaWAN protocol mastery with adaptive network joining strategies - Multi-protocol systems: WiFi, NBIoT BG95, Bluetooth LE, CAN Bus - AWS IoT Core integration with SSL/TLS, Lambda functions, and OTA updates - Protocol conversion and data normalization across SigFox, LoRaWAN, and TCP devices Ultra-Low Power Design: - Hardware power leak detection and mitigation techniques - Advanced sleep mode optimization (<2µA achievement) - Battery life modeling and power consumption analysis - Real-time power profiling with tools like Otii-Arc System Architecture & Integration: - Distributed CAN bus systems for safety-critical applications - Computer vision integration with OpenCV for industrial automation - Complex queuing systems with reverse-engineered protocol integration - Medical device development with motion tracking algorithms Development Platforms & Tools: - MCUs: Silabs EFR32, Nordic nRF52, ESP32, STM32, PIC, ATmega series - Languages: C/C++, Python, JavaScript (for IoT data converters) - Cloud Platforms: AWS IoT Core, S3, Lambda functions - Development: SDK development, driver implementation, RTOS integration Industry Experience: - Mining & Industrial Safety: Environmental monitoring and control systems - Healthcare IoT: Motion tracking devices with IMU sensor fusion - Smart Infrastructure: Parking systems, inventory management, production monitoring - Home Automation: Multi-protocol mesh networking and control systems Professional Approach: I excel at transforming complex technical challenges into elegant, production-ready solutions. My experience spans the complete product lifecycle from concept to deployment, including hardware bring-up, firmware development, cloud integration, and field optimization. I've successfully collaborated with international teams and delivered solutions across diverse industries.

Do you have an AI vision that needs to become a real, working product? I don't just build models; I engineer complete, scalable solutions that turn data into actionable insights and automation. For over five years, I've specialized in bridging the gap between cutting-edge Artificial Intelligence (AI) research and robust software that delivers real-world value. My core expertise lies in computer vision and machine learning, but my skill set is full-stack. This means I can own your project from the initial data pipeline, through model training and optimization, all the way to deploying a polished desktop application or a secure enterprise API. I thrive on building tools that work seamlessly for end-users, whether it's a retail manager, a traffic controller, or a sports coach. My strongest suit is developing intelligent systems that "see" and understand the world. I've built a retail analytics platform (CrowdIQ) that transforms standard CCTV into a source of business intelligence, tracking customer demographics and behavior. In the sports domain, I created PadelIQ, an analytics engine that uses computer vision to track player movement, posture, and court coverage from match footage, providing real-time coaching feedback. For public safety, I developed a traffic management system (OmniRoad AI) using advanced object detection for real-time accident and congestion monitoring. Beyond computer vision, I architect full-scale data science pipelines. A prime example is my telecom churn prediction project, where I built a machine learning model to identify at-risk customers and paired it with an interactive Power BI dashboard. This end-to-end approach—from data analysis to a clear visualization of insights—ensures the model's findings directly inform business strategy and retention actions. I also develop the tools and infrastructure that power AI applications. I've built secure, enterprise-grade systems like DevelmoGPT, a RAG-based LLM that allows for secure, semantic search over private company documents. From creating simple utilities like PDF-to-audio converters to designing complex role-based access systems, I ensure the foundation of any AI solution is reliable, secure, and maintainable. My process is collaborative and results-driven. I start by deeply understanding your business problem, not just the technical requirement. We'll then iterate through prototyping, development, and testing to ensure the final product not only meets specs but also delivers tangible ROI. I communicate clearly at every stage, providing demos and documentation so you're never in the dark. Let's connect. Share your project idea or challenge, and I'll provide a clear outline of how we can leverage AI, machine learning, or computer vision to build your intelligent solution. Click the invite button to start the conversation. /// The following is just for SEO. You can ignore it /// #computer vision #computer vision engineer #computer vision OpenCV #machine learning computer vision #deep learning computer vision #computer vision machine learning #machine learning python #nlp machine learning

Building the Next Generation of AI-Powered Mobile Apps and Intelligent Automation Platforms for Startups and Growing Businesses. I'm a Flutter & AI Developer with 10+ years of software development experience, specializing in production-ready iOS & Android applications, AI-powered mobile experiences, AI agents, RAG systems, and business automation. I help startups and businesses turn ideas into real products by combining Flutter, AI, backend development, APIs, and automation to build intelligent, scalable applications designed for long-term growth. I've delivered production-ready mobile apps, AI solutions, SaaS platforms, and automation systems across Healthcare, FinTech, Fitness, Education, E-commerce, Real Estate, and other business domains for clients worldwide. I don't build demo applications. I build secure, scalable software designed for real users, real business requirements, and long-term growth. 𝗔𝗜-𝗣𝗢𝗪𝗘𝗥𝗘𝗗 𝗙𝗟𝗨𝗧𝗧𝗘𝗥 𝗔𝗣𝗣𝗦 🔹 AI-powered Flutter applications for iOS & Android 🔹 OpenAI, Claude, Gemini & LLM integrations 🔹 AI Agents, AI Assistants & AI Copilots 🔹 AI chatbots and conversational experiences 🔹 RAG-powered mobile apps & knowledge assistants 🔹 AI recommendations, personalization & intelligent search 🔹 Voice AI, Speech-to-Text & Text-to-Speech 🔹 AI image, document & content processing 🔹 Real-time AI features and intelligent workflows 𝗠𝗢𝗕𝗜𝗟𝗘 𝗔𝗣𝗣 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 🔹 Flutter & Dart cross-platform development 🔹 React Native applications 🔹 Native iOS (Swift, SwiftUI, UIKit) 🔹 Native Android (Kotlin, Jetpack Compose) 🔹 Firebase & Supabase integration 🔹 REST APIs, GraphQL & third-party integrations 🔹 Authentication, payments, notifications & real-time features 🔹 App Store & Google Play deployment 🔹 Existing app development, optimization & maintenance 𝗔𝗜, 𝗥𝗔𝗚 & 𝗔𝗚𝗘𝗡𝗧𝗜𝗖 𝗔𝗜 🔹 Generative AI & enterprise AI applications 🔹 AI Agents & multi-agent systems 🔹 LangChain, LangGraph, LlamaIndex & semantic search 🔹 RAG and enterprise knowledge systems 🔹 PDF/document chat & intelligent knowledge assistants 🔹 Function calling, tool calling & AI integrations 🔹 AI Copilots & intelligent virtual assistants 🔹 Voice AI & real-time AI assistants 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡 & 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡𝗦 🔹 n8n, Make & Zapier automation 🔹 AI-powered business workflows 🔹 Mobile App ↔ Backend ↔ AI integrations 🔹 CRM, ERP & third-party API integrations 🔹 AI agents connected to business systems 🔹 Automated notifications, reporting & business processes 𝗙𝗨𝗟𝗟-𝗦𝗧𝗔𝗖𝗞 & 𝗦𝗔𝗔𝗦 🔹 Node.js, Python, FastAPI & REST APIs 🔹 PostgreSQL, MongoDB, Firebase & Supabase 🔹 SaaS platforms, dashboards & admin portals 🔹 Secure authentication and scalable backend architecture 🔹 Cloud-ready production systems 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 🔹 10+ years of software development experience 🔹 Strong Flutter & mobile development expertise 🔹 Deep AI integration and automation experience 🔹 Full-stack capability from mobile app to backend 🔹 Production-ready, scalable architecture 🔹 Clear communication and reliable delivery 🔹 Long-term support and product development If you're building an AI-powered mobile application, need AI integrated into an existing Flutter app, or want to connect your mobile product with intelligent automation, let's build it together. 𝗞𝗘𝗬𝗪𝗢𝗥𝗗𝗦: Flutter Developer, Flutter App Development, AI Mobile Apps, AI-Powered Apps, iOS & Android Development, React Native, AI Integration, OpenAI, Claude, Gemini, AI Agents, AI Chatbots, AI Assistants, RAG, Voice AI, n8n Automation, AI Automation, API Integration, SaaS Development, Firebase, Supabase, Node.js, Full-Stack Development, MVP Development

Most AI projects are impressive demos that collapse in production. I build the architectures that do not handle edge cases, eliminating hallucinations, and scaling reliably from day one. With 11 years of engineering experience, I specialize in the hard side of AI, rigorous model research, production grade system design, and full stack delivery. I do not just prompt models or wrap APIs. I build the data pipelines, memory structures, retrieval systems, and guardrails that make AI reliable enough for real business use. GENERATIVE AI & ADVANCED RAG Simple vector search is rarely enough. I engineer RAG systems that actually work in production: • Hybrid Search: combining semantic understanding with keyword precision for accurate, citation backed answers with near zero hallucinations • Semantic chunking and re ranking algorithms to ensure the model reads the right context before answering • Fine-tuning LLaMA 3, GPT, and Claude on proprietary data for domain-specific accuracy • Multi agent workflows using LangGraph and CrewAI agents that query SQL databases, browse the web, and trigger API workflows autonomously, with planning logic that keeps them on track • Production & cost optimization: caching layers and prompt compression strategies that reduce LLM API costs by 30 to 40% while improving speed • Tools: LangChain, LangGraph, CrewAI, OpenAI, Anthropic , Pinecone, Weaviate, ChromaDB, FAISS COMPUTER VISION & DEEP LEARNING For cases where off the shelf models fall short: • Custom CNNs and Vision Transformers for manufacturing defect detection, medical imaging, and document analysis • Real time object detection and tracking via YOLO, OpenCV, with WebSocket and Edge AI pipelines for live video streams and low latency market data • Model optimization: quantization, pruning, and performance tuning to run heavy models efficiently on edge devices or at cloud scale • Tools: PyTorch, TensorFlow, OpenCV, CUDA, Hugging Face Transformers, MediaPipe AI RESEARCH & MODEL EXPERIMENTATION When standard solutions don't give you the accuracy you need: • Rigorous model evaluation on real-world datasets with reproducible, well documented experiments • Performance benchmarking and ablation studies to identify what actually moves the needle • Turning research outcomes into clean, maintainable production code your team can scale confidently FULL STACK AI DELIVERY I bridge the gap where most AI engineers fail, connecting research grade backends to real user interfaces: • Frontend: Next.js (App Router), React, TypeScript, Tailwind CSS, D3.js instant load dashboards and data UIs • Backend: FastAPI, Django, Node.js robust Python APIs that handle data processing securely at scale • Real time systems: WebSockets and edge pipelines for live data without latency • DevOps: Docker, Kubernetes, AWS auto scaling infrastructure that survives traffic spikes CORE TECH STACK AI/ML: PyTorch · TensorFlow · Hugging Face · CUDA · Scikit learn · XGBoost GenAI: OpenAI · Anthropic Claude · LLaMA-3 · Mistral · Gemini Orchestration: LangChain · LangGraph · CrewAI · LlamaIndex Vector DBs: Pinecone · Weaviate · ChromaDB · FAISS Computer Vision: OpenCV · YOLO · MediaPipe · Albumentations Full Stack: Next.js · React · TypeScript · FastAPI · Django · Node.js DevOps: Docker · Kubernetes · AWS If you are tackling a hard problem that requires more than a plug and play solution, whether that is a production RAG system, a custom vision model, or a full AI powered SaaS, invite me to your job. Let's engineer something that actually works.

Hello. ............ Thank you for viewing my profile I am an Electrical Engineer with excellent knowledge in Machine Learning and Deep Learning also have Two years of experience in Publishing Research Papers.. • I have experience in machine learning/Deep learning-related tasks, prediction-related tasks of classification, and regression using supervised/unsupervised learning. • Great knowledge in Electrical Engineering related Subjects having 3.5 CGPA. • Three Years of Publishing experience in well-known international Journals. • Will provide your work in best suited time without compromising on its quality