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High-quality AI training data can make or break your model. I help AI/ML teams scale data annotation with 95–99% accuracy, backed by structured QA workflows and reliable turnaround, across image, text, and audio datasets. If you're building computer vision or NLP models, I ensure your data is clean, consistent, and production-ready. 1. Experience handling large-scale datasets (10K to 1M+ annotations) 2. Multi-level QA pipelines (review, sampling, audits) 3. Expertise across CV, NLP, Geospatial, and ADAS use cases With 5+ years of experience in AI training data, I’ve consistently delivered high-accuracy datasets with fast turnaround and scalable workflows. I also provide access to multilingual annotation teams (German, Spanish, French, Portuguese, Japanese, etc.), enabling global dataset support. What I can help you with: • Image Annotation (Bounding Boxes, Segmentation, Tagging) • Text Annotation (Classification, Sentiment Analysis, NLP Tasks) • Audio Annotation (Event Labeling, Timestamping) • Data Validation & Quality Assurance I operate with a trained and scalable team of annotators, allowing me to handle both small pilot tasks and large-volume projects efficiently. Why clients choose to work with me: • 95–99% accuracy with strong QA systems • Structured workflows and clear communication • Ability to scale quickly based on project needs • On-time delivery with consistent quality I’m available to start immediately and open to both pilot tasks and long-term collaborations. I’m happy to start with a small sample or pilot task to demonstrate quality before scaling.

I am a professional with rich background of work experience related to machine learning, predictive modelling, visualisation and data analytics helping businesses in decision making and deriving actionable insights. Over the years I have been associated with two start-ups where I had significant contribution as lead Data Scientist. I have significant contribution as an independent consultant in Upwork as endorsed by my clients in their feedbacks. I had been associated with various industries like e-commerce, retail supply, marine, healthcare and fintech. Below is a summary of my skill sets: Skills: Data extraction, transformation and loading, cleaning and organising, data visualisation and reporting, automation of reports, statistical analysis, and predictive models using machine learning, Time series analysis, and Classification Models. Machine Learning and AI Models: Supervised and Unsupervised learning, Regression Analysis(Linear, Multiple, Multivariate and Logistic), Classification algorithms like Factor Analysis, KNN, Principal Component Analysis, Time Series models(ARIMA, SARIMAX, Prophet, LSTM) CNN and NLP models Cloud Platforms: AWS Sagemaker, GCP Visualisation and Reporting: Excel (Advanced Excel, Macros, Dashboard, Pivot Tables), Tableau, R Studio, Automation of reports using Excel VBA Data Extraction: SQL, NOSQL Programming Languages: Python, R Studio, Visual Basic Academic Qualification: BTech in Electronics and Communication Engineering Certifications: Post Graduate Certification in Artificial Intelligence and Machine Learning from Great Lakes Some of the projects I significantly contributed in is: 1. Pricing forecast using machine learning for an e-commerce website using Python 2. Designing a scoring model for risk category for shipping vessels in marine industry 3. An web application using machine learning to provide revenue forecast for a retail company 4. Developing a recommender system for an apparel brand using Python and Spark I work as a full-time freelancer. So, I can devote my time entirely to the projects I take up and can be available across any time-zone if required. Looking forward to work with you!

🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 – 𝗔𝗺𝗼𝗻𝗴 𝘁𝗵𝗲 𝗧𝗼𝗽 𝟯% 𝗗𝗮𝘁𝗮 𝗘𝘅𝗽𝗲𝗿𝘁𝘀 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸. 🏆 Having successfully served 50+ clients on Upwork, I bring over 6 years of expertise in Data Analytics, Data Engineering & Web tracking. I build end-to-end data tracking & reporting pipelines for business of all sizes. What clients say about me: 📣 "𝙑𝙚𝙧𝙮 𝙧𝙚𝙨𝙥𝙤𝙣𝙨𝙞𝙫𝙚 𝙩𝙤 𝙦𝙪𝙚𝙨𝙩𝙞𝙤𝙣𝙨 𝙖𝙣𝙙 𝙥𝙧𝙤𝙫𝙞𝙙𝙚𝙨 𝙜𝙧𝙚𝙖𝙩 𝙙𝙖𝙩𝙖 𝙖𝙣𝙙 𝙫𝙞𝙨𝙪𝙖𝙡𝙞𝙨𝙖𝙩𝙞𝙤𝙣 𝙖𝙙𝙫𝙞𝙘𝙚. 𝘼𝙡𝙨𝙤 𝙖𝙗𝙡𝙚 𝙩𝙤 𝙝𝙖𝙣𝙙𝙡𝙚 𝙖𝙙𝙫𝙖𝙣𝙘𝙚𝙙 𝘽𝙞𝙜𝙌𝙪𝙚𝙧𝙮 𝙖𝙣𝙙 𝙇𝙤𝙤𝙠𝙚𝙧 𝙎𝙩𝙪𝙙𝙞𝙤 𝙬𝙤𝙧𝙠. 𝙀𝙭𝙘𝙚𝙡𝙡𝙚𝙣𝙩 𝙘𝙤𝙣𝙩𝙧𝙖𝙘𝙩𝙤𝙧!" MY SKILLS SNAPSHOT: 📈 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 & 𝗕𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗜𝗻𝘁𝗲𝗹𝗹𝗶𝗴𝗲𝗻𝗰𝗲 | Finding critical business insights & building KPIs from raw data stored in databases or spreadsheets. Also, building automated reporting dashboards using any available Business Intelligence tool in the market. 🌎 𝗪𝗲𝗯 𝘁𝗿𝗮𝗰𝗸𝗶𝗻𝗴 | Setting up browser-side and server-side tracking to ensure have precise information on what actions users take on your website. 🛠️ 𝗘𝗧𝗟 𝘂𝘀𝗶𝗻𝗴 𝗔𝗣𝗜𝘀 & 𝗱𝗮𝘁𝗮 𝘄𝗮𝗿𝗲𝗵𝗼𝘂𝘀𝗶𝗻𝗴 | Expertise in building Python data pipelines to extract raw data from APIs of data sources like but not limited to Meta Ads, LinkedIn Ads, Google Ads, Bing Ads, Mailchimp, Shopify, Stripe, Google Analytics 4, Google Search Console, Klaviyo, ClickUp, Monday, etc. 📲 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 | Analysing mobile app user’s behaviour and developing key mobile app metrics like DAU, MAU, ARPU, day-wise retention, Ads and IAP analyses, Aha moment analysis, etc. 🤖 𝗦𝗼𝗹𝘃𝗶𝗻𝗴 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝗽𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝘂𝘀𝗶𝗻𝗴 𝗣𝘆𝘁𝗵𝗼𝗻 & 𝗢𝗽𝗲𝗻𝗔𝗜 | Building real-world business solutions using OpenAI and other large language models (LLMs). MY TECH EXPERTISE: • 𝗗𝗮𝘁𝗮 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘀𝗮𝘁𝗶𝗼𝗻 & 𝗕𝗜 – Looker, Metabase, Zoho Analytics, Domo, Power BI, Tableau, Google Data Studio (formerly Looker Studio), Mode, Databox, Google Sheets, Excel, etc. • 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗹𝗮𝗻𝗴𝘂𝗮𝗴𝗲 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 – SQL and Python. • 𝗦𝗤𝗟 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 & 𝗱𝗮𝘁𝗮 𝘄𝗮𝗿𝗲𝗵𝗼𝘂𝘀𝗲𝘀 – Google BigQuery, AWS Redshift, AWS RDS, Snowflake, MySQL, MS SQL, PostgreSQL, Azure SQL, etc. • 𝗘𝗧𝗟 𝗧𝗼𝗼𝗹𝘀 – APIs, dbt, Dataform, Fivetran, Supermetrics, PowerMyAnalytics, Saras Analytics, Zapier, etc. • 𝗪𝗲𝗯 𝗧𝗿𝗮𝗰𝗸𝗶𝗻𝗴 – Google Tag Manager, Google Analytics 4, Mixpanel, etc. Feel free to drop a message if you need help with any of the services listed above and I'll be happy to collaborate! Looking forward to hear from you. Chitranshu Sharma

With 20+ years of experience, I help enterprises deploy production-ready AI solutions and transform their data operations for measurable business impact. I've partnered with top-tier brands including DXC, Lincoln National, Jackson National, and Cisco, delivering scalable, secure systems while translating complex technical concepts for executive stakeholders. • 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: I architect autonomous AI agent systems using Model Context Protocol (MCP), multi-agent orchestration (CrewAI, LangGraph, AutoGen), and agentic AI workflows. My core capabilities include generative AI modeling, deep learning, NLP, computer vision, and multimodal AI. I build production solutions with Python, LlamaIndex, LangChain, RAGs, Vector Databases, and prompt engineering. I integrate leading AI APIs (OpenAI, Anthropic, custom models) and provide AI data annotation, labeling, and strategy consulting that bridges technology and business requirements. • 𝐌𝐋𝐎𝐩𝐬 & 𝐃𝐚𝐭𝐚 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 I design MLOps pipelines with CI/CD for ML, model monitoring, drift detection, and governance. On the data engineering side, I build robust ETL pipelines using Apache Airflow, Talend, AWS Glue, dbt, and Spark. I've architected data lakes and warehouses on AWS, Azure, and GCP with PostgreSQL, MySQL, MongoDB, and Cassandra, implementing real-time streaming (Kafka, Kinesis), data visualization, mining, and extraction. I create data-driven dashboards with Looker Studio, Power BI, Tableau, I also specialize in edge AI for IoT applications and AI-driven data automation. • 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 I create sophisticated workflow automation using n8n, Zapier, and Make, connecting AI capabilities with business systems. I build no-code/low-code solutions (Airtable, Notion) and develop full-stack applications with React and modern JavaScript frameworks, leveraging AI-assisted development for rapid iteration. • 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲, 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐨𝐦𝐩𝐥𝐢𝐚𝐧𝐜𝐞 I implement AI/ML security, Zero Trust architectures, and secure AI pipelines across cloud platforms. My DevOps expertise includes CI/CD, Docker, Terraform, and infrastructure automation. I create data-driven dashboards with Looker Studio, Power BI, Tableau, and Grafana. I ensure compliance with CMMI Level 5, SOC2, HIPAA, GDPR, ISO 27001, and PCI DSS for regulated industries. I excel at cross-functional collaboration and stakeholder communication. Whether you need an agentic AI architect, MLOps engineer, data engineering specialist, or end-to-end AI transformation partner, I'm ready to start immediately.

Top Rated Freelancer | 100% Job Success Score | $30K+ Earned | 1,900+ Hours Worked Are you looking for a reliable AI Trainer, LLM Evaluator, Data Annotation Specialist, or Multilingual Language Expert who can deliver high-quality work with accuracy and consistency? I help AI companies, startups, research organizations, and localization agencies improve their AI models through data annotation, prompt evaluation, chatbot training, fact-checking, search evaluation, language localization, and translation services. Over the past 6+ years, I have worked on large-scale AI and language projects involving Generative AI, LLM evaluation, chatbot training, prompt assessment, data labeling, content moderation, search quality evaluation, localization, and multilingual linguistic tasks. My experience includes working as: ✓ AI Chatbot Trainer ✓ AI Evaluator & Prompt Reviewer ✓ Data Annotation & Data Labeling Specialist ✓ Search Quality Evaluator ✓ QA Reviewer ✓ Hindi Localization Expert ✓ Lead Hindi Translator I have contributed to projects involving conversational AI, voice AI systems, multilingual datasets, prompt-response evaluation, content quality assessment, model alignment, fact-checking, and language optimization. Notable experience includes: • Lead Hindi Translator for MedAssent • AI Chatbot Trainer at Gethybrid • QA and language evaluation responsibilities on large-scale AI projects • Voice AI and agent evaluation work for Cartesia-related projects • Search evaluation and quality rating projects • Localization and translation projects across Hindi, Urdu, and English Languages: ✓ Native Hindi ✓ Native Urdu ✓ Fluent English Core Services: • AI Training • LLM Evaluation • Prompt Evaluation • RLHF-Related Tasks • Data Annotation • Data Labeling • AI Fact Checking • Search Quality Rating • Sentiment Analysis • Content Moderation • Localization • Translation • Transcreation • Proofreading • QA Review Why clients hire me: ✓ Strong AI training and evaluation experience ✓ Multilingual language expertise ✓ High attention to detail ✓ Consistent quality standards ✓ Experience reviewing and auditing contributor work ✓ Excellent communication ✓ Proven Upwork track record Whether you need help training AI models, evaluating prompts and responses, annotating datasets, localizing content, or translating between Hindi, Urdu, and English, I can provide accurate, scalable, and dependable support. Let's discuss how I can contribute to your project.

Hey there! I’m a passionate algorithmic trading developer with years of hands-on market experience across forex, crypto, and options. By combining advanced Pine Script (TradingView) and Python automation skills, I deliver robust, efficient solutions that help traders simplify and scale their strategies. Here’s what I can do for you: TradingView Pine Script Development: Build custom indicators, design advanced strategies, and set up automated alerts. Python Trading Bots & Integrations: Develop algorithmic bots for Binance, MT5, Alpaca, and more—streamlining your market entries and exits. Backtesting & Optimization: Fine-tune your scripts and strategies for maximum performance, including robust forward testing and risk management. Market Analysis Tools: Create dashboards, data visualizations, and real-time monitoring solutions for better decision-making. My process is simple: I listen carefully to your goals, propose a tailored solution, then build and refine until you’re 100% satisfied. I pride myself on clear communication, timely delivery, and attention to detail, ensuring an exceptional client experience at every stage. Ready to automate and optimize your trading? Let’s collaborate to turn your ideas into real, profitable strategies. Looking forward to working with you!