I build data platforms and BI systems that turn messy data into reliable dashboards and automated analytics.
I work daily in production BI environments, specializing in Apache Superset, secure multi-tenant dashboards, and backend data systems. My focus is building analytics platforms that are stable, scalable, and easy for teams to use.
What I Do Best
— Customize and extend Apache Superset (RLS, Jinja templating, global parameters, alerts)
— Develop custom chart plugins and extend the platform with new visualization capabilities
— Design and optimize complex SQL queries (PostgreSQL, MSSQL, Firebird)
— Build backend logic in Python for data workflows and automation
— Deploy systems using Docker and containerized environments
— Set up CI/CD pipelines (GitHub Actions, GitLab CI)
— Build internal dashboards and data tools for business teams
Real-World Experience
— Implemented global parameter systems inside BI environments
— Built SQL Lab extensions to execute stored procedures and generate datasets
— Worked with multi-database synchronization and metadata systems
— Managed production deployments and infrastructure debugging
— Automated workflows using Python and Bash
If you need someone who understands both backend engineering and the data layer, I can help design and implement a clean, reliable solution from the start.
I focus on clean architecture, long-term maintainability, and real business impact.
Apache Superset
Python
Node.js
RESTful API
Docker
Git
Amazon Web Services
Business Intelligence
Data Visualization
SQL
PostgreSQL
ETL Pipeline
Dashboard
Analytics Dashboard
Apache Airflow
Deepak S.
Gurugram, India
$45/hr
5.0
40 jobs
🏆 Top Rated Upwork Freelancer | Top 10% Talent
⭐ 5-Star Client Feedback | 💯 Job Success Score | ✅ 100% Client Recommendation
I am a results-driven Full Stack Developer with 15+ years of experience, now specializing in "AI-powered applications, modern web technologies, and scalable architectures". I help businesses transform ideas into intelligent, high-performing digital products by combining traditional engineering with cutting-edge AI solutions.
I have successfully delivered projects across industries including "AI solutions, e-commerce platforms, social communities, and real-time applications", working with clients from the USA, UK, Australia, Singapore, and beyond.
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### 🚀 Core Expertise (AI & Modern Stack)
* Large Language Models (LLMs) & AI Integrations
* OpenAI & AI-powered automation
* FastAPI & Python Flask (high-performance APIs)
* Node.js & Next.js (full-stack applications)
* React.js & React Native (web & mobile apps)
* Apache Superset (data visualization & analytics)
* Saleor (headless e-commerce solutions)
* REST APIs & Microservices Architecture
* Rust APIs (high-performance backend systems)
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### 💡 What I Deliver
* AI-driven applications & smart automation systems
* Scalable SaaS platforms and dashboards
* Headless e-commerce solutions (Saleor-based)
* Data analytics & visualization solutions
* Custom API development & third-party integrations
* High-performance, secure, and maintainable systems
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### 🛠️ Additional Technical Strengths
* Python, PHP, MySQL, PostgreSQL
* Laravel & modern backend frameworks
* Cloud integrations & deployment workflows
* Payment gateway & OAuth integrations
* Git (GitHub, GitLab, Bitbucket) & Agile tools (Asana, etc.)
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### 🌍 Why Work With Me?
* Strong focus on "quality, scalability, and performance"
* Clear communication & reliable delivery timelines
* Long-term partnership mindset
* Proven track record with global clients
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I am passionate about building "AI-first solutions" that drive real business value. Whether you need to modernize your platform, integrate AI capabilities, or build something from scratch — I’m here to help.
Let’s build something impactful together 🚀
Apache Superset
Artificial Intelligence
LLM Prompt
OpenAI API
AI Chatbot
AI Bot
SaaS Development
Web Application
API Development
Python
FastAPI
Node.js
PostgreSQL
MySQL
React
Next.js
Cloud Computing
Performance Optimization
TypeScript
M Haseeb A.
Stockholm, Sweden
$55/hr
5.0
39 jobs
Struggling to unlock value from your data or build scalable, high-performance analytics platforms?
I’m 𝑯𝒂𝒔𝒆𝒆𝒃 𝑨𝒔𝒊𝒇,a Senior Data Engineer specializing in Databricks, Snowflake, Big Data Engineering, and scalable ETL/ELT solutions. With expertise in PySpark, Python, SQL, GCP, AWS, Azure, and NLP, I build high-performance data pipelines, cloud data platforms, and real-time analytics solutions. Experienced in data warehousing, cloud integration, machine learning workflows, and performance optimization to transform raw data into actionable business insights. Let’s build reliable, scalable, and data-driven solutions for your business growth.
I’ve successfully completed 99+ projects across industries, designing ETL pipelines, MLOps workflows, Delta Lake architectures, and cloud analytics solutions on AWS, Azure, and GCP.
✔️ 𝑯𝒐𝒘 𝑰 𝑯𝒆𝒍𝒑 𝑩𝒖𝒔𝒊𝒏𝒆𝒔𝒔𝒆𝒔 𝑻𝒓𝒂𝒏𝒔𝒇𝒐𝒓𝒎 𝑫𝒂𝒕𝒂 𝒊𝒏𝒕𝒐 𝑰𝒏𝒔𝒊𝒈𝒉𝒕𝒔
➜ Databricks & Big Data Engineering
I specialize in designing enterprise-grade Databricks Lakehouse architectures and Delta Lake solutions. My expertise in Spark and PySpark allows me to build high-performance pipelines for both batch and real-time analytics, ensuring your data infrastructure is robust and scalable.
➜ Machine Learning & MLOps
With a focus on machine learning and MLOps, I build and deploy predictive models using tools like MLflow and TensorFlow. I automate end-to-end ML pipelines to enhance efficiency and accuracy, driving impactful insights from your data.
➜ Cloud & Data Platforms
I implement secure, scalable cloud solutions on platforms like AWS, Azure, and GCP. My experience includes cloud migration, Kubernetes, Docker, and CI/CD automation, ensuring seamless integration and optimal performance.
➜ ETL & Data Pipelines
I develop reliable ETL processes and data pipelines that streamline data integration and transformation. My work with streaming analytics using Kafka and Spark ensures real-time data processing and actionable insights.
➜ Data Analyst & Visualization
I create actionable dashboards and visualizations using Power BI, Tableau, and Databricks SQL. My focus is on driving KPI reporting and business intelligence to support strategic decision-making.
➜ Snowflake
I leverage Snowflake's capabilities to build efficient data warehousing solutions, optimizing data storage and retrieval for enhanced performance and scalability.
➜ Python
My proficiency in Python allows me to develop complex data processing scripts and machine learning models, ensuring robust and efficient data handling.
➜ NLP (Natural Language Processing)
I apply NLP techniques to extract meaningful insights from unstructured data, enabling advanced text analytics and improved decision-making processes.
➜ GCP (Google Cloud Platform)
I utilize GCP's powerful tools to design and deploy scalable cloud solutions, ensuring high availability and performance for your data-driven applications.
➜ Data Warehouses
I design and manage data warehouses that provide a centralized repository for your data, facilitating efficient data analysis and reporting.
✔️ 𝑲𝒆𝒚 𝑻𝒐𝒐𝒍𝒔 & 𝑻𝒆𝒄𝒉𝒏𝒐𝒍𝒐𝒈𝒊𝒆𝒔
▪ Databricks & Big Data: Databricks, Delta Lake, Apache Spark, PySpark, Unity Catalog, Kafka, Hadoop, Real-time Streaming
▪ Machine Learning: MLflow, TensorFlow, PyTorch, scikit-learn, Feature Store, Predictive Analytics, NLP
▪ Cloud Platforms: AWS, Azure, GCP, Kubernetes, Docker, CI/CD
▪ Analytics & BI: Power BI, Tableau, Databricks SQL, KPI Dashboards, Data Strategy
▪ Data Engineering: ETL Pipelines, Data Lakes, Data Warehousing, Data Migration, Performance Optimization
✔️ 𝑾𝒉𝒚 𝑪𝒉𝒐𝒐𝒔𝒆 𝑴𝒆
I combine deep technical expertise with practical business understanding, delivering scalable, cost-efficient, and AI-ready data solutions. My goal is to turn your data into a strategic asset that powers smarter decisions and measurable growth.
Let’s collaborate to build your next-generation analytics platform and unlock the full potential of your data. Check my portfolio for architecture samples, dashboards, and case studies.
Databricks Engineer, Big Data Consultant, Spark Developer, MLOps Engineer, Data Engineer, AWS Data Specialist, Azure Databricks, GCP Analytics, ETL Developer, Data Analytics, Delta Lake Expert, Machine Learning Engineer, Python, Database Architecture, Data Processing, ETL, Big Data, Database Design, Data Engineering, Data Analytics & Visualization Software, Data Visualization, Deep Learning Modeling, Data Warehousing & ETL Software, Snowflake, Amazon Web Services, ETL Pipeline, Machine Learning, Deep Learning, Data Science, Data Analysis, Cloud Engineering, Artificial Intelligence, Databricks Engineer, Big Data Consultant, Spark Developer, MLOps Engineer, Data Engineer, AWS Data Specialist, Senior Data Engineer specializing in Databricks, Snowflake, Big Data Engineering, and scalable ETL/ELT solutions. With expertise in PySpark, Python, SQL, GCP, AWS, Azure, and NLP
Python
ETL
Big Data
Data Engineering
Snowflake
Machine Learning
ETL Pipeline
Database Architecture
Data Processing
Database Design
Data Analysis
Cloud Engineering
Data Analytics & Visualization Software
Data Warehousing & ETL Software
BigQuery
Data Integration
Databricks Platform
Database
Data Analytics
Apache Flink
Kashif S.
Gudja, Malta
$25/hr
5.0
8 jobs
I build data platforms that work at scale and keep working as your
business grows.
Over the past 10 years I've served as the lead or founding data engineer
across fintech, e-commerce, ride-hail, legal tech, and cybersecurity
companies. That means I've designed systems from scratch, made architecture
decisions with no one to fall back on, and delivered platforms that
product teams actually use.
Here's what I typically get hired to do:
→ Build greenfield data platforms on AWS or GCP from the ground up
→ Design and ship production ETL/ELT pipelines (Airflow, Dagster, dbt)
→ Set up scalable warehouses and governance (Snowflake, BigQuery, Redshift)
→ Implement real-time streaming pipelines (Kafka, Spark Streaming, CDC)
→ Build AI-powered data applications (RAG, LLMs, LangChain, vector DBs)
→ Fix broken or unreliable pipelines and make them production-grade
→ Architect cloud infrastructure on AWS, GCP, Azure (Terraform, Kubernetes)
Recent work includes:
- Led data platform engineering for a US e-commerce company processing
billions of events daily. I re-architected ingestion pipelines, built
Snowflake governance from scratch, introduced Prometheus monitoring and
CI/CD standards across the platform.
- Built a full data platform on GCP (BigQuery, Dataproc, Airflow) for a
music streaming company. Firebase, AppsFlyer, and app store data all
flowing into one warehouse within weeks.
- Designed an AWS data platform for a ride-hail company managing 500+
streaming and 700+ batch jobs — including a self-serve portal that
replaced multi-step CLI workflows for engineers.
- Built a legal AI search engine using LangChain, Pinecone, and RAG —
full pipeline from document ingestion to LLM-generated answers, deployed
on AWS with auto-scaling.
- Built an AI inventory insights agent for a US automotive company —
multi-source data pipelines, real-time APIs, conversational interface.
I work in English daily, communicate proactively, and deliver production-
ready code — not prototypes. I'm used to working directly with CTOs and
technical leads in US and European time zones.
Tools I work with regularly:
Python · SQL · Airflow · Dagster · dbt · Snowflake · BigQuery · Spark · Meltano ·
Kafka · AWS (S3, EMR, Glue, ECS, Lambda, EC2, EKS) · Databricks · GCP · Azure
Terraform · Docker · Kubernetes · LangChain · FastAPI · MLflow · Weaviate, Celery
If you're building a data platform, fixing one, or adding AI/ML
capabilities to your stack, let's talk.
Python
Google Cloud Platform
Microsoft Azure
Amazon Web Services
Data Engineering
Docker
DevOps
GitHub
BigQuery
Snowflake
Apache Airflow
Apache Spark
Terraform
ETL
Apache Kafka
Dylan S.
Quito, Ecuador
$15/hr
4.9
128 jobs
4+ years building BI end-to-end Infrastructure. I sit with the ambiguity, ask what your team hasn't, and translate fuzzy business goals into a clear data model and KPI framework that holds up under scrutiny.
🧠 𝐖𝐡𝐚𝐭 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐭𝐞𝐚𝐦
🔹 Ambiguity → Clarity: I define the right questions and metrics before building anything, so you measure what matters, not what's easy.
🔹 Semantic & Data Modeling: Star schemas, slowly-changing dimensions, reconciled grain, single source of truth
🔹 Scalable Architecture: Pipelines and models designed for "Day 2", maintainable, cost-aware, documented, built to grow instead of breaking at scale.
🔹 Context Integration: I unify Stripe, Shopify, Zoho, GA4, Ads platforms, etc. and CRMs into one coherent ecosystem that mirrors how your business actually operates.
🔹 Narrative & Decision Design: Every visual answers a business question and points to an action, analysis a CEO can act on in seconds.
⚙️ 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗧𝗼𝗼𝗹𝗯𝗼𝘅
🔹 BI & Viz: Power BI, Looker Studio, Zoho Analytics, Metabase, Apache Superset, Domo, Databox
🔹 Modeling & Query: SQL, DAX, Power Query (M), Python, dbt, Excel
🔹 Warehousing: BigQuery, Cloud SQL, Snowflake, SQL Server, MySQL, Firebase
🔹 Pipelines & ETL: Make, n8n, Fivetran, Apps Script, Cloud Run, Windsor AI, Coupler IO, Supermetrics
🔹 Sources: Stripe, Shopify, Zoho CRM, GA4, Google/Meta/TikTok Ads, Search Console, etc.
🔹 AI layer (the plus): OpenAI & Claude APIs, Claude Code, Codex, conversational analytics, anomaly detection, predictive models, and agent workflows for automated briefings & alerts
🚀 𝗪𝗵𝗮𝘁 𝗦𝗲𝘁𝘀 𝗠𝗲 𝗔𝗽𝗮𝗿𝘁
🔹 Business-first, not tool-first: I start with your objectives and constraints, not your dataset.
🔹 End-to-end ownership: From auditing sources and defining KPIs to modeling, building, and publishing, I run the full lifecycle.
🔹 Transparency: You own your data and infrastructure. I document every step, so nothing is a black box.
🔹 AI as leverage, not a gimmick: I automate the repetitive parts so the strategic parts get more of my attention.
⭐ 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗦𝘁𝗮𝘆
🔹 Reliable communication and clear expectations , no micromanagement needed.
🔹 Insights in plain language, for technical and non-technical stakeholders alike.
🔹 Proactive: I diagnose and recommend, not just deliver charts.
🔹 Consistent delivery, on time, with care.
💡 𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱 𝗬𝗼𝘂𝗿 𝗗𝗲𝗰𝗶𝘀𝗶𝗼𝗻 𝗦𝘆𝘀𝘁𝗲𝗺
If your business generates data but not clarity, let's fix that. I'll design the model, architecture, and dissemination layer that turn your numbers into a durable competitive advantage, clear, scalable, and genuinely yours.
Apache Superset
Looker Studio
Microsoft Power BI
Zoho Analytics
Domo
Microsoft Excel
BigQuery
SQL
Python
Data Analysis
Data Visualization
Metabase
Google Cloud Platform
Cloud Run
JavaScript
Google Apps Script
Microsoft Power Automate
Data Engineering
ETL Pipeline
Data Warehousing & ETL Software
Ammar S.
Khanewal, Pakistan
$20/hr
4.5
10 jobs
I help businesses automate reporting, build reliable data pipelines, and develop machine learning solutions that turn raw data into actionable business insights.
With 2+ years of experience, I've helped startups and businesses save time, eliminate manual work, and make better decisions through Python, SQL, automation, and AI-powered data solutions.
Here's what I can help with
📊 Dashboards & Business Intelligence
Looker Studio, Google Sheets, Excel, GA4
Google Ads & Search Console reporting
CRM dashboards, KPI tracking, and executive reporting
Interactive dashboards with automated refreshes
⚙️ Data Engineering & Automation
Python scripting and ETL pipelines
API integrations and data synchronization
Workflow automation with n8n and Zapier
Data cleaning, transformation, and scheduled reporting
🤖 Machine Learning & Predictive Analytics
Classification and regression models
Customer segmentation and churn prediction
Forecasting and time-series analysis
NLP and business analytics
🧠 AI & LLM Solutions
OpenAI & Claude API integrations
RAG pipelines
AI-powered document extraction and summarization
Intelligent business assistants and workflow automation
🧹 Data Preparation
Cleaning messy spreadsheets and databases
Combining data from multiple sources
Fixing broken reports and improving data quality
Preparing datasets for analytics and machine learning
Why clients hire me
✔ Clean, maintainable, well-documented code
✔ Strong business understanding—not just technical implementation
✔ Clear communication and reliable project delivery
✔ Solutions built to be scalable, practical, and easy to maintain
If you're looking for someone who can bridge the gap between business goals and technical execution, I'd be happy to discuss your project.
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Data Scientist | Python Developer | SQL | Machine Learning Engineer | Data Analyst | Predictive Modeling | Classification | Regression | Data Cleaning | Data Visualization | Dashboarding | Looker Studio | Google Data Studio | Business Intelligence (BI) | Excel Dashboards | Google Sheets | Automation Specialist | n8n | Zapier | Python Scripts | ETL | Pandas | NumPy | Scikit-learn | NLP | Sentiment Analysis | Time Series Forecasting | ARIMA | Prophet | Streamlit
Data Science
Natural Language Processing
SQL
Data Visualization
Looker Studio
Machine Learning
Computer Vision
Streamlit
Python
Database
Artificial Intelligence
Deep Learning
Data Analysis
Data Engineering
ETL Pipeline
Data Preprocessing
Data Warehousing & ETL Software
MLOps
DevOps
API
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