Greetings! I am a professional Data Engineer with over 8 months of hands-on experience in crafting robust ETL pipelines, leveraging Python for seamless data integration, preprocessing, and storage solutions. My expertise lies in harnessing the power of Google Cloud Platform (GCP) services to architect efficient data solutions for businesses. What I Bring to the Table: 🔗 Python Mastery: Proficient in building dynamic ETL pipelines using Python, I excel in fetching data via APIs, performing intricate data preprocessing, and ensuring data integrity throughout the pipeline. ☁️ GCP Proficiency: I am well-versed in GCP's suite of services, particularly adept at leveraging BigQuery for building and maintaining data warehouses, Cloud Functions for event-driven serverless computing, Cloud Scheduler for automated job scheduling, and Cloud Composer (Airflow) for orchestrating complex workflows. 🛠️ ETL Expertise: Whether it's extracting data from diverse sources, transforming it to meet specific business requirements, or loading it efficiently into storage systems, I ensure that the ETL process is streamlined, scalable, and robust. 📊 Data Warehousing: With hands-on experience in managing data warehouses on BigQuery, I ensure optimized data storage, efficient querying, and seamless integration with other GCP services to empower data-driven decision-making. 🔧 Problem Solver: I thrive on tackling complex data challenges head-on, leveraging my analytical skills and technical prowess to architect solutions that drive business growth and efficiency. Why Choose Me: 🔑 Reliability: I am committed to delivering high-quality work within agreed timelines, ensuring that your data projects are executed seamlessly from conception to deployment. 💬 Clear Communication: I believe in transparent and open communication, keeping you updated on project progress, addressing any concerns promptly, and collaborating closely to ensure alignment with your goals. 🌟 Client Satisfaction: My ultimate goal is your satisfaction. I go the extra mile to exceed your expectations, delivering solutions that not only meet but surpass your requirements. If you're looking for a skilled Data Engineer who can transform your data into actionable insights, streamline your processes, and drive business success, look no further! Let's connect and discuss how we can turn your data challenges into opportunities for growth.

Full-Stack Architect specializing in building scalable, production-ready SaaS platforms using Next.js/React and Node.js/Python backends. I architect systems that handle complexity, deliver enterprise-grade performance, and integrate AI seamlessly. Expertise: - Scalable SaaS Architecture: Deep experience building resilient multi-tenant SaaS platforms (CRM, internal tools, B2B dashboards). Focus on optimal database design (postgreSQL/Supabase) and cloud-native architecture for high-volume environments. - Advanced Cloud/DevOps: Architecting and deploying services on AWS/GCP using modern practices: Docker, serverless (Lambda), EKS/ECS, and setting up automated CI/CD Pipelines (GitHub Actions/Terraform). - Enterprise AI Integration: Expertise in integrating LLM APIs (OpenAI/Anthropic) to develop RAG pipelines, advanced chatbots, and custom AI features for production environments. - Payments & Security: Implementing secure payment gateways (Stripe/PayPal), subscription management, user roles, and complex financial data workflows, always prioritizing security (OAuth2, JWT). If this sounds familiar, I can help you with this: – “We need a high-fidelity SaaS MVP built on modern architecture (Next.js/Node.js) that includes secure Stripe payments and robust authentication.” – “We need to leverage LLM APIs (e.g., GPT) for intelligent features like RAG chatbots, voice transcription, or complex data summarization.” – “Our legacy APIs are slow. We need highly optimized, scalable REST/GraphQL APIs (FastAPI/Node.js) ready for high traffic and enterprise integration.” – “We want reliable automated data pipelines for scraping and preprocessing.” Core Technical Stack: Backend : Django, FastAPI, Node.js/Express, REST/GraphQL, JWT/OAuth2 Frontend: React.js, Next.js, TailwindCSS, TypeScript, shadcn/ui Databases: PostgreSQL/MySQL/Supabase Automation : Python, Playwright, Selenium, Scrapy, BeautifulSoup Cloud/Infra : AWS (EC2, RDS, Lambda, S3, EKS/ECS), GCP, Docker, Terraform, Vercel My commitment to senior-level delivery: - Risk Mitigation: I identify potential architectural flaws, security risks, and scaling bottlenecks before they become costly problems, saving time and budget. - Architectural Leadership: I provide consultative guidance on tech stack selection, infrastructure design, and code structure to ensure long-term maintainability and cost efficiency. - Ownership and Velocity: I own the entire development lifecycle, from design to deployment, and I aim for rapid delivery without sacrificing high code quality and testing standards. Project Spotlight: – EdTech Platform (Next JS + PostgreSQL + Hasura, 10k+ daily users) – Real-time UNO Game (React + Socket.IO + Express) – Charity Platform (Django + Flutter + Stripe + celery + redis) – AI Learning Platform MVP (React + FastAPI + OpenAI) – Subtitle Scraper & Summarizer (Python + GPT + Proxies) #FullStack #NextJS #ReactJS #NodeJS #AWS #SaaS #API #CloudArchitecture #DevOps #TypeScript #FastAPI #LangChain #Stripe #Automation #PostgreSQL

I build Python automation, data pipelines, and backend systems that turn messy or repetitive processes into reliable applications and structured data workflows. My work includes Excel, Google Sheets and CSV processing, web data extraction, SQL databases, reporting pipelines, internal business tools, and LLM-powered applications. I specialize in: • Web scraping and data extraction • Excel, Google Sheets, CSV processing and automated reporting • Data pipelines and workflow automation • SQL/SQLite databases and structured data systems • Django backend systems and internal tools • LLM-powered features inside real applications (assistants, workflows, data-aware tools) Recent projects include: • A business operations web app built with Django to manage clients, jobs, and internal workflows • An inventory and sales system using SQLite, with reporting and profit tracking • Automated reporting pipelines that generate and send structured Excel reports • Data processing tools that clean, normalize, validate, and structure raw datasets • An LLM-based assistant for structured data analysis and user interaction I focus on building solutions that are simple, reliable, and easy to maintain — not overengineered scripts that break after a week. If you need to automate a process, structure or process data, or build a backend system with intelligent features, I can help.

🏆 TOP-RATED PLUS (TOP 3% on Upwork) | 💭 Looking for a tech partner to bring your vision to life? Whether you're launching a startup, scaling an existing business, or pivoting your current venture - I help companies succeed as an Full Stack Developer with strong full-stack and cloud architecture expertise. I help turn prototypes built with Lovable, Base44, or Bolt.new into properly designed, production-ready products and MVPs - scalable, maintainable, and cost-effective. As an Full Stack Developer, I specialize in designing, building, and scaling reliable systems on AWS that power modern web and AI-driven applications. 🔍 What I Can Help You With: 🚀 MVP Development: As an Full Stack Developer, I build MVPs fast using scalable AWS services so you can validate ideas and monetize quickly. 🚀 Full-Stack & AWS Backend Development: End-to-end solutions led by an Full Stack Developer, combining robust back-end systems with modern front ends. 🚀 Custom Cloud Solutions: Thoughtfully designed AWS architectures crafted by an AWS Backend Developer to be cost-effective from day one and scale seamlessly with growth. 🚀 AI-Powered Tools: I integrate AI solutions into AWS-native back ends, leveraging my experience as an AWS Backend Developer. 🚀 Reliable Data Pipelines: Event-driven, serverless pipelines designed by an AWS Backend Developer for real-time, high-volume data processing. 🚀 Technical Leadership: As a senior AWS Backend Developer, I provide end-to-end guidance from architecture design to stable production operations. 👨‍💻 Tech I Work With: 💻 Backend / Frontend / Full-Stack Development (AWS-focused): ✔️ Python (Django / Flask / FastAPI) / Node.js / NestJS / Express.js ✔️ PostgreSQL / MongoDB ✔️ React / Next.js / JavaScript / TypeScript ✔️ HTML / CSS / Tailwind / MUI / Ant Design / shadcn/ui 🧠 AI & Machine Learning: ✔️ AWS Bedrock / LangChain / LangGraph / CrewAI / Hugging Face ✔️ Chatbot / AI Assistant / Agentic Applications / CopilotKit / AG-UI ✔️ Amazon Transcribe / Polly / Comprehend ✔️ RAG, Ragie.ai, Vector databases (Pinecone, Weaviate, Chroma, AWS OpenSearch, Supabase Vector Store) ✔️ OpenAI (GPT-5, GPT-4o, GPT-4o-mini, GPT-3, Realtime API, Whisper, TTS, DALL·E, Embeddings) ✔️ Anthropic Claude / Google Gemini / DeepSeek 🕸️ Web Scraping ✔️ Puppeteer / Selenium / Playwright ✔️ Crawlee / Apify / BrightData / Decodo / Oxylabs / SerpApi / ZenRows ☁️ AWS Cloud (Core Expertise of an AWS Backend Developer): ✔️ Serverless architectures, Lambda, Step Functions, API Gateway, S3, DynamoDB, SNS, SQS, and more 🚀 Infrastructure as Code & CI/CD: ✔️ AWS CDK / Terraform / Pulumi / Serverless Framework ✔️ GitHub Actions / GitLab CI/CD 🚀 Let’s Build Your Next Big Thing! 📊 As an Full Stack Developer with a decade of experience in software architecture and technical leadership, I design systems that are scalable, secure, and cost-efficient. If you’re looking for an Full Stack Developer who can own your infrastructure and backend end-to-end, you’re in the right place. 💼 Ready to partner? Message me today, and let’s get started!

Highly accomplished and certified IT professional with extensive experience as a data migration specialist, ETL developer, and enterprise integration specialist. Proven ability to create and deliver scalable data solutions that directly support corporate business and technology objectives. Adept at translating complex data transformation processes into clear, easy-to-understand terms for end users. Skilled in proactively identifying and resolving critical data integrity, migration bottlenecks, and database performance issues.

A professional .net programmer with several years of experience in the field of advanced level programming, I have a long history of .net programming and I am fluent in the main .net languages, I have a complete command of vb and c# languages, I have complete mastery in Asp.net and can code in Asp.net using VB and C#. I have the ability to collaborate in projects with old and new technology, I am proficient in VBA Macro tools in the development of .net projects, I am also proficient in Windows Desktop tools, Selenium Web driver, Microsoft SQL Server, Microsoft Access, Microsoft Excel.

Financial Analytics, Revenue Intelligence, and Marketing Reporting Systems I help founders, finance teams, and marketing leaders turn fragmented business data into clear, decision-ready dashboards, forecasts, and financial models. My background combines financial analysis, revenue analytics, and marketing intelligence - building systems that connect operational, financial, and marketing data into one reliable source of truth. Whether you need cash flow visibility, budget vs. actuals reporting, profitability analysis, or multi-channel marketing attribution, I build reporting systems your team can actually use. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 FINANCIAL ANALYTICS & FP&A ✔ P&L dashboards (Revenue, COGS, Gross Margin, EBITDA) ✔ Cash Flow tracking and forecasting models ✔ Budget vs. Actual reporting ✔ Financial KPI dashboards (MRR, ARR, Burn Rate, Runway) ✔ Revenue forecasting models ✔ Unit economics (CAC, LTV, Payback Period, Contribution Margin) ✔ Profitability analysis by product, channel, or customer segment ✔ Investor-ready reporting dashboards ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 MARKETING ANALYTICS & DATA ✔ GA4 + GTM setup, audits, and tracking fixes ✔ Marketing attribution models (first-click, last-click, data-driven) ✔ Multi-source dashboards (GA4 + Google Ads + Meta Ads + Shopify) ✔ Funnel analysis and conversion tracking ✔ ROAS, CAC, LTV, and retention dashboards ✔ Ecommerce performance reporting ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔷 DATA ENGINEERING & BI ✔ BigQuery data pipelines and SQL models ✔ Automated reporting systems ✔ Data unification across finance, marketing, and CRM tools ✔ Executive KPI dashboards ✔ Google Sheets forecasting models ✔ Looker Studio and Metabase dashboards ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🛠 TOOLS & PLATFORMS BigQuery · SQL · Looker Studio · Metabase · GA4 · Google Tag Manager Google Sheets · Shopify · Stripe · QuickBooks · Xero Google Ads · Meta Ads · Airbyte · Google Cloud ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ If you need clearer visibility into your revenue, profitability, cash flow, or marketing performance -let's build a reporting system that helps you make faster, better decisions.

🚀 SQL & Database Specialist |SQL Server Expert |Excel |Performance Tuning | Data Visualization | Power BI My name is Mustafa, I'm SQL expert with extensive expertise in SQL Server database development, optimization, complex queries and ETL, I specialize in designing high-performance, scalable database solutions. I've worked with numerous companies leading projects with a focus on architecture design, server administration, optimization, performance tuning, migration planning, SQL Server upgrade and implementation. ✅Specialist in the following components and technologies: • Database Design & Development: Creating efficient, normalized schemas for scalability. • Creating and managing KPI and sales dashboards. • Query Optimization: Speeding up slow queries and improving database performance. • ETL & Data Migration: Seamless extraction, transformation, and loading of data across systems. • Stored Procedures, Views, and Indexing: Writing optimized SQL code for better functionality. • PL/SQL & Advanced SQL Features: Utilizing best practices to enhance efficiency. - SQL Server (2008, 2008 R2, 2012, 2014, 2016, 2017, 2019, 2022) - My SQL -Excel - SSIS and SSRS - C# - Dot Net - Power BI - JIRA Project Management 💡 Why Choose Me? • Performance-Driven Approach – I don’t just write SQL; I optimize it for speed and scalability. • Detail-Oriented & Problem-Solver – I tackle database challenges with structured, scalable solutions. • Timely & Reliable – I meet deadlines without compromising on quality. I am self-organized, detail-oriented and strive for the highest quality in my work. I am always available and have fast turnarounds. Certifications: • Microsoft SQL Server 2016/2012 Systems Expert Data Platform • MCITP: Microsoft Power BI Please Ping Me For More Details✔

Business Intelligence & Power BI | Data Modeling Focus I help companies turn messy data into clear, reliable Power BI dashboards — built on solid data models, not quick fixes. My work is focused on building the right foundation first: understanding how the business works, designing clean fact and dimension models, and making sure metrics are consistent, scalable, and trustworthy. Dashboards should support decisions, not create confusion. What I typically help with: • Power BI dashboards for sales, operations, and finance • Data modeling (Kimball-style facts & dimensions) • Fixing slow, overcomplicated, or unreliable Power BI models • SQL-based transformations before data reaches Power BI • Migrating Excel-heavy reporting into structured BI solutions I’ve worked with data from manufacturing, retail, construction, banking, and SaaS environments, often helping teams move from fragmented reporting to a more structured and decision-oriented BI setup. If you’re looking for someone who thinks before building, asks the right questions, and treats your data seriously, I’d be happy to talk. I value clear communication, realistic expectations, and long-term solutions. #PowerBI #SQL #Excel #Python #SQLServer

I have been designing databases using Microsoft Access, SQL, C#,, VB and VBA for the past 20 years and can create, customise or amend any Access or SQL/ MySQL database as well as develop front-end applications in .NET or Access. I have developed many databases for such a variety of industries. I have expert knowledge of Excel, Access and Word, including VBA. I have 20 years plus corporate experience in the financial industry using Excel and Access for data modelling and calculations as well as creating complicated Word templates - both for corporate identity and for purposes such as bulk mail merging from client databases. I develop SAGE ERP (Accpac) SQL integration using the Accpac API's within Accpac VBA as well as bespoke app development for SAGE Accpac using C#, VB.Net, VB.6.0 and Microsoft Access. I also have databases that connect directly to PASTEL and enable you to directly Email and SMS your clients from the database for bulk marketing campaigns. Other specialties include Excel financial modelling, automating PowerPoint reports from Excel data as well as creating corporate identities by creating Word templates, TRAINING: I can design customised Excel, Access, Word and PowerPoint training courses based on the needs of your business. With 28 years training experience under my belt, including many years of training needs analysis, it has been proven to me that creating customised training programs rather than sending staff on the standard scheduled course can increase the learning absorption by more than double! I have developed all sorts of courses for many corporate clients – in South Africa, the UK and in New Zealand. In order to make sure that any training down is specific to your needs I can: Identify the training need by means of a TNA (Training Needs Analysis questionnaire or direct questions to identify the specific training requirement). Design the customised course specific to the training need identified Schedule the training – either one-one-one or in small groups. Provide telephone support and backup once the training is complete. Computer Skills: SQL Server programming and administration C# and VB .Net programming Visual Basic 6.0 programming Access Database design & VBA programming Excel VBA programming & templates Word VBA macro programming & templates Microsoft Access – all versions Microsoft Excel – all versions Microsoft Word – all versions Microsoft PowerPoint – all versions Microsoft Outlook – all versions Training Skills: Training Needs Analysis Train the Trainer Microsoft Office (all levels, all versions including Word, Excel, PowerPoint, Outlook and Access) Visual Basic for Applications (Word, Excel, PowerPoint, Outlook and Access) Technical Writing Skills: Courseware (manuals and exercises) for all the above courses as per the MOS syllabuses set down by Microsoft. Instructor notes and reference manuals. Database technical manuals to accompany database projects. Database user manuals to accompany database projects. Training and Work Experience: I have been training delegates to use computers for the past 28 years. I have experience in teaching in South Africa, the United Kingdom and New Zealand and have taught learners from all walks of life. I have been creating database and software systems using VB.Net and SQL Server since 2000. More details of my work experience are available on request.