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$35/hr
100%
Job Success
$9K+ earned
Available now
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Data scientist with remarkable experience in Python, statistics, machine learning, academic research and technical writing. I will happily discuss your project needs, so don't hesitate to invite me! Here are some of my professional accomplishments:
• 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹: I have worked in various full-time roles and collaborated with numerous companies worldwide, thus acquiring significant experience and credibility. Feel free to check my previous work and project portfolio below.
• 𝗔𝗰𝗮𝗱𝗲𝗺𝗶𝗰 𝗥𝗲𝘀𝗲𝗮𝗿𝗰𝗵𝗲𝗿: I have participated in EU-funded research projects, with published papers in Nature and other prestigious scientific journals.
• 𝗣𝘂𝗯𝗹𝗶𝘀𝗵𝗲𝗱 𝗔𝘂𝘁𝗵𝗼𝗿: Simplifying Machine Learning with PyCaret became a bestseller and got cited in academic research. I am now working on a second book about time series forecasting.
• 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗪𝗿𝗶𝘁𝗲𝗿: I have published numerous articles on topics like outlier detection, hypothesis testing, time series forecasting, large language models, and many others.
Ioannis T.
has worked
.
$20/hr
$600+ earned
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I am a highly skilled data engineer with over five years of professional experience and a background in computer science. I have a strong foundation in programming languages such as Python, which I have been using for the past six years. I have completed a number of successful projects using technologies like AWS, Azure, Airflow, and Databricks, and have experience working on ETL development and data pipeline management. In addition, I have completed internships in machine learning and hold a Microsoft certification as an Azure Data Scientist Associate, and Databricks Associate certification. I am eager to continue my career as a freelance data engineer and am confident that my skills and experience will be an asset to any team. Please do not hesitate to contact me with any questions or assignments to test my abilities. I look forward to the opportunity to work with you.
$45/hr
100%
Job Success
$2K+ earned
Offers consultations
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🖥️ Professional Data Scientist and Data Analyst with 5+ years of experience
🧠 Expert in building high-accuracy machine learning models
🔢 Skilled in delivering reliable, data-driven solutions
Check out what I offer:
🚀 Machine Learning & Prediction Systems
- Analyze and train machine learning models, including binary classification, linear regression, and multi-class classification
- Apply advanced machine learning techniques like XGBoost, Decision Trees, and Support Vector Machines to create accurate predictions
🚀 Data Analysis & Modelling
- Perform comprehensive Exploratory Data Analysis (EDA) to uncover patterns, detect outliers, and reconcile the data
- Generate insightful reports from large datasets using data visualization tools and statistical analysis
🚀 Data Processing & Transformation
- Data integration, validation, and transformation to ensure quality and consistency
- Expertise in handling missing data, data deduplication, and outlier detection
- Proficient in feature engineering, preparing datasets for robust machine learning applications
🚀 Automation & Workflow Optimization
- Develop Python-based solutions to automate workflows and enhance efficiency
- Provide evaluation and data analysis on Excel, leveraging VBA and advanced formulas
Tools & Skills
🔹 Expertise in AI/Machine Learning:
Linear Regression, Logistic Regression, XGBoost, Decision Tree, Random Forest, Support Vector Machine, PCA, K-mean
🔹 Programming Environment/Tools:
Python (numpy, panda, matplotlib, scikitlearn), SQL, VBA, Excel
🔹 Specialisation:
Data Scientist, Data Analyst, Machine Learning, IT Developer, Python, SQL, Excel
🔹 Communication:
Strong skills to present findings effectively to stakeholders
If you're looking for an expert in Python and SQL, familiar with advanced machine learning and data visualization tools, who can analyze large datasets and deliver actionable insights, let’s connect!
Marina B.
has worked
.
Associated with
🍊 ORANGE LABEL
$80K+
earned
$40/hr
$3K+ earned
Offers consultations
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I’m a Senior AI Developer with 11+ years of hands-on experience in Machine Learning, Deep Learning, Natural Language Processing (NLP), Computer Vision, and Data Science, building intelligent systems that think, see, speak, and create like humans.
Over the past decade, I’ve successfully delivered 70+ AI projects across startups, agencies, and enterprises - consistently improving performance, efficiency, and business outcomes with measurable impact.
**Key Achievements & Results:
- Increased model accuracy from 76% → 98.4% on large-scale prediction systems.
- Reduced manual workloads by up to 90% through end-to-end AI automation.
- Delivered AI pipelines processing over 1.5 TB of data daily with real-time insights.
- Built AI chatbots handling 100K+ daily user interactions and improving engagement by 240%.
- Created AI art and video generation platforms producing 250,000+ unique creative assets monthly, cutting production costs by 70%.
- Developed computer vision solutions with YOLOv8 + PyTorch reaching 99.2% detection accuracy and <45ms response time.
- Integrated predictive analytics models that boosted marketing ROI by 52% and sales forecasting accuracy by 33%.
**Core Skills & Tech Stack:
- AI & Machine Learning: Machine Learning, Deep Learning, Neural Networks, Artificial Intelligence
- Frameworks & Tools: TensorFlow, PyTorch, Scikit-Learn, OpenCV, FastAPI, LangChain
Programming: Python, JavaScript
- Specialties: Natural Language Processing (NLP), Computer Vision, AI Chatbots, AI Art & Video Generation, Data Science, Predictive Analytics
- Methodologies: Reinforcement Learning, Transfer Learning, Model Optimization, LLM Integration
I have strong experience in Python, TensorFlow, PyTorch, NLP, and Computer Vision, and I’ve deployed production-grade AI systems that run across cloud platforms, handle millions of data points, and deliver real business value - not just prototypes.
**Project Highlights:
- AI Chatbot Platform: (OpenAI + LangChain + FastAPI) - scaled to over 120K+ users/day, reducing support response time by 80%.
- AI Art & Video Generator: for a creative brand - automated visual production, generating 10K+ unique videos weekly and saving hundreds of man-hours per month.
- Computer Vision App: YOLOv8 + PyTorch real-time detection system - processed 1.2M frames/day with 99% precision.
- Data Science Engine: built a predictive analytics model that increased lead conversion by 41% and optimized ad spend by 28%.
- NLP Pipeline: fine-tuned BERT-based models to process 10M+ text entries, achieving 98% sentiment accuracy.
I’m passionate about Artificial Intelligence, Machine Learning, NLP, Deep Learning, and Computer Vision - creating AI systems that learn, adapt, and perform at scale.
If you need someone who combines creative thinking, deep technical expertise, and business-driven AI strategy, I’m the one to turn your idea into a high-performance, scalable AI product.
What’s the most ambitious AI project you’d like to bring to life next?
Associated with
Unidatalab
$600+
earned
$30/hr
96%
Job Success
Available now
Offers consultations
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I'm Currently Upwork's #1 Ranked Ai Automation Expert In The India (Via UpworkMrr Rankings)
Give me something to build and i'll build it so it works for you 24/7. Thats my promise.
If you shoot me a invitation or message ill send you a personalised loom video back on how i may be able to help you!
A little more about me:
I help growth-focused businesses save time and scale fast by automating tasks and building AI-powered workflows. From data scraping and marketing automations to AI chatbots and custom no-code tools, I design systems that work for you 24/7.
If your team is stuck in spreadsheets or bogged down by manual work, I’ll build reliable automations and AI agents to turn your chaos into streamlined, data-driven processes—no dev team needed.
• 150+ automation and AI projects delivered
• 100% Job Success Score | 5.0★ average
• 6000 Youtube Subscribers (Leading Expert On Upwork And Freelancing).
• Zapier Certified Expert | Make, n8n, Airtable integrations
• Real, measurable ROI—my systems pay for themselves in weeks
• Clear communication and tailored solutions, every time
If your looking to work with someone who is professional, in the top 10% of upwork profiles and fast delivery i'm your man.
🔧 EXPERTISE:
AI Automation | No-Code Development | Airtable | Zapier | Make | n8n | AI Agents | ChatGPT Integration | LLM Implementation | Workflow Automation | API Integration | Database Design | Digital Workers | Business Process Automation | AI Backend Systems | Next.js developer | React developer| Full Stack Developer| Python developer | FastAPI developer | Django developer | Airtable consultant, Airtable developer | Supabase specialist | Firebase developer| AI Chatbot developer, Voice Bot developer | Vapi AI integration | Retell AI developer | ElevenLabs Voice AI, | AI MVP prototyping| Bolt developer| Lovable app | SaaS application developer
Jeel D.
has worked
.
$40/hr
100%
Job Success
Available now
Start of list.
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I see my success in your growth. I’m not just a developer—I focus on solving high-impact problems for C-level leaders and driving outcomes that move the business forward.
My experience spans startups, small and mid-sized consulting teams, and global firms including Accenture, CDW, Aon, Hewitt Associates, Michael Page, and Airbnb. In these environments, I’ve operated as an embedded partner—delivering consistent, tangible value to clients by aligning analytics and technology with real business priorities.
I bring a balanced mix of technical depth and business acumen: identifying core business needs, translating them into scalable data and technology solutions, and building AI-enabled systems that are reliable, sustainable, and designed to perform over time.
I have delivered 300+ projects for clients including Upwork (hired directly), Accenture, Aon Hewitt, and CDW. I work across two specialisms: AI-powered intelligent systems and business intelligence & analytics — and increasingly, I combine both into decision systems that think, automate, and report simultaneously.
I am available during US & UK business hours for fast, clear communication.
AI Systems I Build
━━━━━━━━━━━━━━━━━━━━━━━━━
→ Talscan - AI Screening & Assessment Tools — LLM-powered CV matching, competency scoring, interview question generation
→ AI Research Agents — automated research pipelines using Claude API that search, analyse, synthesise and deliver structured intelligence reports without human effort
→ Intelligent Automation — Python + Power Automate + AI APIs that eliminate manual workflows entirely
→ AI-Enhanced Dashboards — Power BI and Tableau systems with built-in anomaly detection, forecasting, and AI-generated insight narratives
→ Custom LLM Integrations — Claude API and Groq connected to your data, documents, and internal systems
→ AI SaaS Products — full-stack AI application development from idea to production-ready platform
BI & Analytics I Deliver
━━━━━━━━━━━━━━━━━━━━━
→ Executive KPI dashboards — Power BI · Tableau · Looker Studio
→ Automated data pipelines — Azure SQL · Azure Data Factory · ETL/ELT
→ Predictive analytics, forecasting, and anomaly detection
→ Decision Intelligence systems with alerts and exception-based reporting
Results That Matter
━━━━━━━━━━━━━━━━━━━━━
→ Built a production-ready AI SaaS platform (TalScan) solo, end-to-end
→ 80–100% reduction in manual data handling for enterprise clients
→ Reporting cycles cut from 7 days to near-real-time
→ +40% improvement in marketing ROI visibility via integrated BI
→ Hired directly by Upwork for an 18-month automation & analytics engagement
→ High-impact delivery for Fortune 500 teams at Accenture and CDW
Fixed-Price Projects — Fully Welcome
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
I respect that budgets are real. I offer clearly scoped fixed-price engagements so you know exactly what you're getting before a single dollar is spent. No scope creep. No surprises. Just delivery.
Typical fixed-price packages:
· AI Agent build (research, screening, automation) — scoped to your use case
· Power BI / Tableau dashboard — from data source to executive-ready
· Data pipeline & ETL automation — clean, scheduled, reliable
· AI + BI combined system — insight that thinks and reports automatically
How I Work
━━━━━━━━━━━━━━━━━━━━━
→ I understand your business problem before touching a line of code
→ I scope clearly so you never pay for guesswork
→ I validate early and iterate quickly — you see progress, not promises
→ I communicate with clarity throughout — no chasing for updates
Data informs. AI re-confirms. Humans act with clarity.
Ready to build something that actually works? Let's talk.
Ashish M.
has worked
.
Pakistan
$20/hr
100%
Job Success
$8K+ earned
Available now
Offers consultations
Start of list.
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Your data pipeline is only as strong as the engineer behind it.
I'm Umar Ali, a Microsoft Certified Data Engineer (DP-600 & DP-700) with 3+ years of hands-on experience designing, building, and optimizing enterprise-grade data infrastructure. I specialize in Microsoft Fabric, end-to-end ETL pipeline development, and Python automation, helping businesses transform raw, siloed data into clean, reliable, and actionable insights at scale.
My work spans the complete data engineering stack. I've architected Lakehouse and Data Warehouse solutions on Microsoft Fabric, built automated ETL pipelines using SSIS and Python, designed and optimized complex SQL queries on SQL Server and PostgreSQL to dramatically reduce runtimes, and developed scalable PySpark and Apache Spark jobs for large-scale data processing. I also build production-ready web scraping pipelines using Selenium, Scrapy, and BeautifulSoup, and develop REST APIs with FastAPI and Flask for seamless data integration and workflow automation.
Whether you need Azure Data Engineering solutions, a full data warehouse migration from SQL Server to the cloud, a high-performance ETL pipeline built with Python, or a Microsoft Fabric Analytics implementation, I bring both the technical depth and business context to deliver results. Every solution I build is clean, documented, testable, and built for long-term scalability.
Microsoft Certified (DP-600 Fabric Analytics Engineer · DP-700 Fabric Data Engineer) · Strong communication · On-time delivery · Production-ready code.
Looking for a Data Engineer, Microsoft Fabric Expert, ETL Developer, Python Developer, or SQL Specialist? Let's connect, message me and we'll scope your project today.
Umar A.
has worked
.
$35/hr
100%
Job Success
$200K+ earned
Available now
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Building production-ready AI systems, automated workflows, and robust data architecture.
I am an expert AI Engineer and Full Stack Developer specializing in the design and architecture of real-world intelligent systems. I don't just write scripts; I build scalable production platforms, robust backend APIs, and complex data pipelines that turn raw information into high-quality business solutions.
If you need a technical expert to design a long-term, high-performance model, implement an autonomous agent, or scale your development to the next phase, you are in the right place.
🚀 WHAT I BUILD & DESIGN
1. Data Pipelines & System Architecture
Data Engineering: Designing high-performance data pipelines to extract, clean, and process structured and unstructured data.
Production Systems: Architecting scalable backend systems and cloud infrastructure (Azure, AWS) for high-availability platforms.
Real-World Integration: Seamless API and database integration to connect your proprietary data to modern AI models.
2. AI Agents & Automated Workflows
Workflow Automation: Building complex, automated workflows using Python and n8n to streamline your business operations.
Autonomous Agents: Developing intelligent agents that interact with tools, execute tasks, and make decisions based on real-time data.
LLM & Prompt Engineering: Advanced prompt engineering, fine-tuning, and integrating top-tier LLM models (GPT-4, Claude) into your core product.
3. Full Stack & API Development
Backend APIs: Designing clean, secure APIs and microservices using Python (FastAPI/Django) and Node.js.
End-to-End Development: Taking your product from the initial design phase all the way to production deployment.
💻 MY TECHNICAL STACK & TOOLS
AI & Models: Python, LLMs, LangChain, LlamaIndex, Vector Databases, Custom Agent Frameworks.
Engineering & Architecture: System Design, Data Pipelines, RESTful APIs, Microservices.
Backend & Full Stack: Node.js, Python, SQL/NoSQL Databases.
Cloud & Automation: n8n, Azure, AWS, Docker, CI/CD pipelines.
💡 My Engineering Philosophy:
I focus on quality code and scalable architecture. Whether we are building an MVP or upgrading an enterprise platform, my goal is to deliver a high-performance system that solves your real business challenges.
Are you ready to build a production-grade AI system? Let’s talk.
👉 Click "Invite to Job" to start a conversation about your project and technical needs.
Associated with
Argusoft America Inc.
$2M+
earned
$135/hr
100%
Job Success
$100K+ earned
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I'm a Senior Software Engineer with 10+ years of AWS and database experience. I build complete solutions: from cloud infrastructure and databases to interactive dashboards and mapping applications. Not only that, but I have a proven track record with 100% job success.
Some of the things I can do for you in the software engineering world:
* AWS ci/cd cloud development for scalable solutions
* Implement AI into your workflows
* ETL pipelines for anything you need
* Automation of repetitive manual work
* SQL and noSQL queries, Stored Procedures, Functions, CLR
* Language porting for existing tools
* Debugging, troubleshooting, and optimization
* Testing design and implementation
* Ci/cd and other devops work
Hard Skills:
* Python, C#, C, JavaScript
* AWS cloud developer - serverless and terraform ci/cd experience
* SQL Server Spatial (MSSQL ) - Postgres
* MongoDB
* Hadoop - Spark
* SQL Sever CLR
* QGIS, ArcGIS ArcDesktop, ArcServer, ArcPro, ArcOnline
* MapServer
* OpenLayers
* Arcpy, scipy, R, shapely
* ML/AI - tensor flow - CUDA
* Typescript
* Angular
* Supabase
$25.55/hr
100%
Job Success
$800+ earned
Offers consultations
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🔍 Are you losing revenue to hidden churn, slow reports, or broken data pipelines?
I'm Shariful — a Python Data Scientist specializing in Machine Learning, ETL Automation, and Predictive Analytics. I turn raw, messy data into decisions that directly grow your revenue.
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💼 WHAT I DELIVER (REAL RESULTS):
━━━━━━━━━━━━━━━━━━━━━
✅ Churn Prediction Model → 90% accuracy, retained in annual revenue.
✅ Recommendation Engine (Scikit-Learn) → boosted Average Order Value by 28%.
✅ Automated ETL Pipeline → saved a marketing agency 20+ hours/week.
✅ Sports Results Extraction (PDF → JSON) → delivered error-free structured data with QA validation.
✅ Stock Movement Forecasting → ML model for election-period market prediction.
━━━━━━━━━━━━━━━━━━━━━
🛠 SERVICES I OFFER:
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→ Machine Learning Models (Classification, Regression, Forecasting, Clustering).
→ ETL Pipeline Development (PDF, API, Web Scraping → JSON/SQL/CSV).
→ Python Automation (Replace manual workflows with scripts that run 24/7).
→ Business Intelligence Dashboards (Tableau, Plotly/Dash).
→ Exploratory & Predictive Data Analysis.
→ Time Series Forecasting & Anomaly Detection.
━━━━━━━━━━━━━━━━━━━━━
⚙️ TECH STACK:
━━━━━━━━━━━━━━━━━━━━━
Python · Pandas · NumPy · Scikit-Learn · TensorFlow
SQL · Tableau · Plotly/Dash
REST APIs · Web Scraping · Cron Jobs · ETL Pipelines
━━━━━━━━━━━━━━━━━━━━━
🏆 WHY CLIENTS CHOOSE ME:
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⭐ 100% Job Success Score.
⚡ 4–8 hr avg. response time.
📦 Deliver ahead of schedule — every time.
💬 "Clear communicator. Proactive updates. Business-focused mindset." — Verified Client.
I don't just build models. I build systems that make your business smarter.
📩 Send me your project details — I'll reply within a few hours with a clear action plan.
Shariful Islam F.
has worked
.