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With a strong background in machine learning, computer vision, and natural language processing, I have consistently delivered real-world AI solutions across diverse industries. My professional journey spans multiple roles where I have developed and deployed intelligent systems for image and language understanding, focusing on accuracy, performance, and scalability. Currently working as a freelancer, I have built intelligent data extraction pipelines for financial applications by combining advanced computer vision and NLP methods to extract information from bank cheques with high precision. Additionally, I worked on a complex chatbot project addressing the limitations of large language models (LLMs), such as context window constraints. I implemented optimization strategies like history truncation, prompt summarization, and prompt caching, which significantly improved coherence, processing speed, and memory efficiency in generated responses. As a Data Science Fellow at Fellowship.AI, I developed a robust evaluation pipeline to measure confidence levels in LLM outputs using datasets like LiveBench and MMLU. I applied strong evaluation metrics such as Expected Calibration Error (ECE) and BERTScore and utilized stronger LLMs for benchmarking, providing valuable insights into model calibration and reliability. Previously, as a Computer Vision Engineer at Hello Llama, I played a pivotal role in building IoT-enabled safety solutions. I developed end-to-end ML pipelines and Android applications integrating BLE and real-time video streaming, designed to work with radar warnings and dashcam systems. My work focused on real-time object detection of urban infrastructure and safety violations, deploying models on NVIDIA Jetson Nano for low-latency, edge-based inference. I also created a custom helmet detection system with facial focus and chin-strap detection and used sensor mat data to recognize multiple riders on scooters. My responsibilities included complete development cycles—from data collection to annotation, model training, validation on unseen data, and deployment—with comprehensive testing to ensure robustness in production environments. Earlier in my career as a Machine Learning Engineer at Expert Consortium Ltd., I worked on automatic face recognition and liveness detection systems. I designed pipelines capable of distinguishing live individuals from photographs and automatically created datasets for unknown individuals by organizing webcam feeds, labeling them, and training recognition models using LBP. I also built a driver activity recognition system for behavioral monitoring and an object tracking tool that captured snapshots when specific spatial triggers were activated. I utilized GPU acceleration and RabbitMQ to ensure high performance and seamless message passing during training and inference. Throughout my experience, I have demonstrated a unique ability to bridge the gap between computer vision and natural language processing. I have built robust pipelines, optimized LLM performance, engineered edge-deployable vision systems, and created intelligent, real-time applications in safety, finance, and mobility. My strengths lie in developing production-ready ML systems, optimizing performance in resource-constrained environments, and delivering intelligent solutions that scale effectively and meet real-world demands. I have direct Experience working on following topics: C++ Python Scikit-learn Tensorflow Keras OpenCv Embedded device Aws Azure Flutter

I’m Mirza Abbas Uddin, a Machine Learning Engineer and passionate researcher with 1+ years of experience in AI, data science, computer vision, and NLP. I’ve successfully completed 30+ ML projects for global clients on Upwork and earned the Top Rated badge for consistent 5-star service. With strong academic and research backgrounds—including publications at IEEE and ACM conferences—I specialize in building intelligent, scalable solutions using Python, TensorFlow, PyTorch, and Hugging Face Transformers. In addition to my ML expertise, I’ve expanded my skill set into full-stack development using ASP.NET Core and Next.js, enabling me to build robust, production-ready web applications that seamlessly integrate machine learning models into real-world systems. Whether it’s training custom models, extracting insights from data, or developing end-to-end ML-powered applications with modern web technologies, I deliver results with precision and professionalism. Let’s collaborate to bring your AI ideas to life!

- I ranked in the top 3% of over 18 million professionals on Upwork. - 15 years in web development (PHP, JavaScript, HTML, CSS), including - 14 years in WordPress programming including performance optimization & server administration and 13 years in Magento & Shopify. - Proven ability to deliver high-ranking, SEO-friendly websites without additional SEO efforts. - 6 years of experience in Python-based machine learning & quantum computing. - Fluent in English. - Strong knowledge in mathematics, physics, machine learning, and quantum computing, with advanced interdisciplinary expertise in complex systems enabling precise decision-making, efficient problem-solving, high efficiency, and consistently reliable results. ///// Due to space limitations, I highlight only the most advanced and most essential skills across my broad expertise. ///// Wordpress / Woocommerce / Shopify / Magento: * As I work with highly complex fields such as machine learning and quantum computing, working with these CMS platforms has become relatively straightforward for me. * With over 13 years of experience on magento/shopify and 14 years on wordpress/woocommerce, I am confident in my ability to meet all your requirements. I am capable of handling all aspects of these CMS platforms. I have developed several highly complex WordPress/WooCommerce websites using Elementor, some of which required over a year to complete. Kindly review the "In Progress" section of my profile to view my ongoing projects. As I work with highly complex systems such as machine learning and quantum computing—which require rigorous mathematical reasoning, deep abstraction, and advanced problem-solving—CMS platforms have become straightforward for me due to the comparatively lower level of complexity and predictable architecture they involve. My experience and skills make me distinctive. Page speed optimization skill (Wordpress / Woocommerce / Shopify / Magento): With over 13 years of experience in WordPress programming and speed optimization, I can boost your site’s performance to achieve 100% scores, sub-1-second load times, and green Core Web Vitals for both mobile and desktop on Google PageSpeed Insights and GTMetrix. My optimization efforts will make your website load at the fastest possible speed, typically under one second. Additionally, I address Core Web Vitals issues, including Largest Contentful Paint (LCP), First Input Delay (FID), and Cumulative Layout Shift (CLS), as reported in Google Search Console. Website speed is influenced by both the web server and website content. As an advanced-level programmer with expertise in complex systems such as Magento and Python machine learning, I optimize both the website and the web server using my extensive knowledge. This advanced-level expertise is crucial for achieving the fastest possible load times for your website. Page speed plugins: Wordpress fastest cache, wp-rocket, W3 total cache, Fast Velocity minify, autoptimization, wp super cache etc. Wordpress themes: Any theme including divi, avada, ultra, Astra, buddyboss, flatsome, bridge, silent. Page speed testing tools: Google page speed insight, GTMetrix, pindom, dotcom-tools etc. Web Hosting company: Any web hosting company including Siteground, Hostgator, Godaddy, Bluehost, inMostion, A2hosting, DreamHost, wpengine etc. CDN: StackPath, Sucuri, Cloudflare, KeyCDN, Rackspace, Google Cloud CDN, CacheFly, Amazon CloudFront. On-site SEO & Security: Experienced in WordPress on-site SEO, improving rankings, traffic, and performance through keyword research, meta optimization, schema, internal linking, and speed optimization. Skilled with Yoast SEO, Rank Math, and custom solutions for complex sites. I also ensure strong security via server hardening, firewalls, malware protection, and secure authentication. I integrate SEO, performance, and security to achieve lasting gains in Core Web Vitals, rankings, and conversions. Machine Learning and Quantum Computing: Over the past six years, I have been deeply engaged in the fields of machine learning and quantum computing. My passion for mathematics and physics, however, began in childhood and has driven a lifelong pursuit of knowledge in these areas. This strong foundation has enabled me to develop advanced expertise in both machine learning and quantum computing. Decision-making and problem-solving sill: Decision-making is a critical yet often overlooked skill in website development, essential at every stage—from selecting CMS, themes, plugins, and servers to implementing efficient PHP, CSS, HTML, and JavaScript for optimal performance and SEO, as well as solving development challenges. With over 15 years of freelance experience, I have seen many poorly built websites caused by suboptimal decisions. Alongside my strong programming background, I am also advancing my knowledge in physics and mathematics, which enhance analytical thinking, problem-solving, and decision-making.

Welcome to my profile 😊 🏆I am an experienced full-stack developer with a strong focus on creating dynamic web applications using React.js for the front end and Laravel with PHP for the back end. My expertise includes: I'm specialized in: 📌Complex web applications development (frontend / backend) 📌Website development from scratch 📌API servers (Laravel, PHP, .NET, WordPress, NodeJS, Python) 📌Single Page Applications (SPA) - ReactJS, VueJS (Nuxt), Redux, Typescript 📌Microservices / distributed / cloud-based web applications (.NET, NodeJS, PHP) 📌AI & Machine Learning: NLP, GPT, Computer Vision, Keras, PyTorch, TensorFlow, OpenCV 📌Data: Data Visualization (Power BI, Tableau), Data Pipelines, Data Lakes, Data Factory - Azure, AWS, Google ETL, ELT 📌Figma 📌Docker 📌GIT, Slack, Jira, Agile, SDLC I write clean code, am a goal-oriented type of person and am attentive to all details. React.js: Building responsive, user-friendly interfaces with a keen eye for detail and performance optimization. Laravel & PHP: Developing robust server-side applications, RESTful APIs, and seamless database interactions. Full-Stack Development: Managing projects from concept to deployment, ensuring smooth integration between front-end and back-end systems. Version Control: Proficient in Git for collaborative projects and maintaining code integrity. Problem-Solving: Strong analytical skills to troubleshoot issues and enhance application functionality. I am passionate about delivering high-quality solutions that meet client needs and exceed expectations. Let’s work together to bring your ideas to life!

Hi, I’m Mehraz Hossain Rumman, a Software Engineer and Python Developer with experience building scalable web applications, APIs, and data-driven solutions. I specialize in Python, Django, Django Rest Framework, Next.js, and ClickHouse, with hands-on expertise in cloud technologies, CI/CD pipelines, and performance optimization. 💡 What I bring to the table: ✅ Backend Development – Designed and built the backend for Adsloft, a SaaS product that processes real-time DSP/SSP clicks, impressions, and reports. ✅ Full-Stack Experience – Developed responsive websites and dashboards with Next.js, delivering clean UI and strong performance. ✅ API Design & Optimization – Upgraded production systems from Django 3.2 to 5.1, fixed complex bugs, improved scalability, and implemented new ad-tech features (e.g., CPM, frequency capping). ✅ Open Source Contributions – Contributed to major projects like Scrapy, Celery, DRF-extensions, and pyOBIS with feature additions, bug fixes, and tests. ✅ Data & Machine Learning – Worked with ecological and environmental datasets during Google Summer of Code, implementing machine learning models and advanced HTTP caching for performance. ✅ Teaching & Mentorship – Freelance Python trainer for 2+ years, helping beginners master coding, algorithms, and debugging. 🏆 Achievements: Champion in national & university-level programming contests and hackathons. Recognized contributor in open-source communities. 📌 Tech Stack: Python, Django, DRF, Go, C/C++, SQL, PostgreSQL, ClickHouse, Docker, GitHub Actions, Jenkins, Next.js, React, PyQt5, Pandas, NumPy, scikit-learn. If you’re looking for a reliable developer who can deliver clean, efficient, and scalable solutions, let’s work together to bring your ideas to life. Best Regards, Mehraz Hossain Rumman

I am a Software Developer with 2+ years of professional experience, in Machine learning based tasks. My overall experience is based on - ✅ Skillset : ✔Computer vision : RCNN, Faster R-CNN, Mask R-CNN, YOLO, OpenPose, MediaPipe, DeepSORT, Template Matching, DiffMOT. ✔ Natural Language Processing NLP) : Topic Modelling, Keyword Extraction, Knowledge Graphs, Named Entity Recognition, Sentiment Analysis, Text Summarization. ✔ Generative AI : Fine tune Gemma-2 model, Fine tune Llama-3 model, Tracking Training with Perplexity, Retrieval Augmented Generation (RAG), RAG-with-SubQuestionQuery, RAGwith Multi-Query, RAG-Decomposition, RAG-withHyDE-Query-Transformation, RagFusion, RAG withStep-Back, RAG-with-Cohere-and-ReRank. ✔ Have experienced on publishing two Research paper in the field of machine learning.