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Most businesses are sitting on valuable data they can't see, trust, or act on. I fix that — building dashboards, BI reports, and data platforms that turn raw data into clear, confident business decisions. I'm a Data Visualization and Business Intelligence Specialist with 8+ years of experience designing and delivering end-to-end data systems for organizations that need to move fast and act on accurate information. My background includes leading large-scale IM and analytics programs at the enterprise level — managing multi-stakeholder environments, complex datasets, and high-stakes deliverables where data quality isn't optional. Whether you're a startup trying to make sense of your first dataset, an SME that's outgrown spreadsheets, or an enterprise team that needs a scalable reporting infrastructure, I build solutions that fit your workflow and actually get used. ─── WHAT I BUILD ─────────────────────────────── ✔ Interactive Dashboards — Power BI, Tableau, and custom web-based dashboards your team will open every morning, not avoid ✔ GIS & Location Intelligence — maps and spatial dashboards that reveal patterns your spreadsheets will never show ✔ Data Pipelines & ETL — clean, reliable data flows from messy sources (APIs, CSVs, databases, forms) into structured, analysis-ready outputs ✔ KPI Reporting Systems — automated, stakeholder-ready reports that replace hours of manual formatting every week ✔ Web Platforms & Data Portals — purpose-built tools for teams that need more than off-the-shelf BI can offer ✔ Data Strategy & Architecture — for organizations ready to build a serious, scalable data foundation ─── INDUSTRIES I WORK WITH ───────────────────── Logistics & Supply Chain · Healthcare & Public Health · Finance & Fintech · E-commerce & Retail · Consulting & Professional Services · Real Estate · Education · Non-profits & Social Impact If your business collects data but struggles to turn it into something actionable — that's the gap I close. ─── WHY CLIENTS HIRE ME AGAIN ────────────────── I've delivered data systems in environments where the margin for error was zero — managing cross-functional teams, aligning diverse stakeholders, and building tools that get adopted and trusted under pressure. That discipline translates directly into client work: clean deliverables, clear communication, and zero surprises. I don't just hand over a file. I make sure you understand what you have, how to use it, and how to grow it. ─── CORE TOOLS & TECHNOLOGIES ────────────────── Power BI · Tableau · QGIS · ArcGIS · Mapbox · Python · R · SQL · PostgreSQL · PostGIS · KoboToolbox · ODK · REST APIs · Excel (advanced) · Google Sheets · SharePoint · HTML/CSS/JS ─── READY TO GET STARTED? ────────────────────── Tell me what data challenge you're facing — messy data, no visibility, a dashboard that needs rebuilding, or a reporting system from scratch. I respond within 24 hours and can jump on a scoping call the same week.

I build dashboards and automations that catch what spreadsheets miss. I've surfaced a 14.2% non-performing loan exposure a risk team didn't know existed, flagged 4,000 at-risk customers representing KES 175M in deposits before they churned, and caught 344 fraud cases that bypassed existing controls all delivered as tools leadership teams actually use, not one-off reports. I work in Power BI, SQL, Python, and dbt for the analytics side, and n8n/Make for automating the manual work around it lead follow-up, reporting, data pipelines. If your data exists but nobody trusts it or looks at it, that's what I fix.

Senior BI Developer highly skilled, trained and extensively experienced with 10+ years in data space and hands-on experience in Reports and Dashboards developments using tools like SSRS, Power BI , Tableau, SAP BI, QlikView, AWS Quick Sight, Looker etc. and deploying the interactive reports and dashboards solutions in productions environment. Additionally, ETL and Data Warehouse developer with extensive experience and highly skilled in designing, coding, testing and supporting next-generation OLTP and OLAP database solutions in Microsoft SQL Server database and SSIS. Proficient in database administration , SQL development, data source to target mapping as well as Extract, Transform and Load (ETL) process design. • Creation, development and deployments of SSRS Reports and dashboards that are interactive and meets the users needs using Microsoft Server SSRS 2008/2008R2,2012,2014,2016,2017 and 2019. • Creation, development and publishing of interactive Power BI dashboards and reports to Power BI Report server/Power BI service from Power BI desktop and Power BI desktop RS. • Creation, development of interactive Tableau dashboards, story-telling using Tableau desktop and publishing the Tableau server where users can access and use them. • Creation, development of interactive SAP BI reports using SAP Business Objects(BOBJ), on-prem thus enabling self-service capabilities. • Writing optimized SQL queries and DAX queries for calculations of various reports and dashboards metrics that meets the user reports needs. • Upgrading, migrations of reports(SSRS, Power BI, Tableau, SAP BI, Quick sight etc.), training users, providing support and solutions documentations of the solutions developed. • Design and Implementation of Extract, Transform and Load (ETL) systems using Microsoft SQL Server SSIS 2008 , 2012, 2014,2016, 2017 and 2019. • Experience in Multi -Dimensional data warehouse design and development using both Kimball and Inmon methodologies. • Extensive experience in creating T-SQL and PL/SQL programs as well as database objects in SQL server and Oracle databases (stored procedures, functions, types, triggers, synonyms, tables, indexes, constraints) • Experience in query optimization & performance tuning using Execution Plans, Performance Monitoring and implementing correct indexing strategies. • Experienced in production Database Administration tasks (Backup and restore, file groups and data file maintenance, maintenance of automated jobs and tasks) I have worked with global big companies in my career span of 10+ years. They include; i. Barclays Bank PLC. ii. ABSA Bank PLC. iii. Agency Bloc. iv. NCBA Bank Group PLC. v. Optum Health Services. vi. Smollan (Data Orbis ) vii. M-KOPA Solar Ltd viii. Pathways International Ltd WHY CHOOSE ME AS YOUR CONTRACTOR: 1.) Value for your money - I will complete your projects as required and on time. I have earned the trust of multiple clients in my career. 2.) Deep and extensive knowledge and experience of Microsoft SQL Server development tools and products. 3.) Consistency - I provide consistent and reliable work project after project to ensure that quality work is delivered to the satisfaction of client 4.) Communication - I am extremely responsive and I keep all lines of communication readily open with my Clients. 5.) Flexible - I can work with client long term or as short as few hours to provide a resolution to an immediate problem. I am grateful and eager to work with you to deliver consistent and reliable high level technical solutions to your Microsoft SQL Server design and development challenges. Please reach out to me whether it is just a clarification question(s) or you have a project need.

Drowning in fragmented data and manual reporting? I build automated data pipelines, rigorous statistical models, and objective dashboards that replace the chaos. My goal is to deliver a single source of truth, giving your team reliable, real-time insights you can confidently act on. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 → ⚙️ Data Engineering & Automation ⟶ Architecture & Pipelines (ETL/ELT): Designing end-to-end automated pipelines using Microsoft Fabric, Python, Apache Spark, and dbt to integrate messy data from ERPs, CRMs, APIs, and flat files. ⟶ Warehousing & Orchestration: Building scalable Lakehouses/Warehouses and automating workflows to eliminate manual data entry and reduce human error. → 📊 Business Intelligence & Dashboards ⟶ Enterprise Reporting: Building high-performance, user-focused dashboards in Power BI, Tableau, and Apache Superset that prioritize clean, objective data visualization. ⟶ Performance Optimization: Auditing and speeding up slow, bloated Power BI reports using DAX Studio, Tabular Editor, and Measure Killer. → 📈 Statistical Analysis & Research ⟶ Advanced Analytics: Moving beyond "what happened" to "why it happened" using R and Python for hypothesis testing, A/B analysis, and predictive modeling. ⟶ Exploratory Data Analysis (EDA): Deep-diving into complex datasets to uncover hidden patterns, delivering findings via reproducible reports (RMarkdown) or interactive web apps (R Shiny). ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 𝗧𝗼𝗼𝗹𝘀 & 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗹𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀 Power BI (advanced DAX, Power Query, semantic modeling, DAX Studio, Tabular Editor, Bravo, Measure Killer) · Microsoft Fabric · Python · R · SQL · dbt · Soda Core · Elementary · Apache Airflow · Dagster · Airbyte · Prefect · Containers & Orchestrators (Docker, Git/GitHub, CI/CD) · Tableau · Azure · ClickHouse · PostgreSQL · MySQL · APIs · AI Agentic Development · Microsoft Excel / Google Sheets · PySpark, SparkSQL, SparkR ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 ✅ Microsoft Fabric Data Engineer (DP-700) ✅ Microsoft Fabric Analytics Engineer (DP-600) ✅ Microsoft Power BI Data Analyst (PL-300) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ I combine data modeling best practices with a commitment to objective, truth-revealing visualization. I deliver projects on time, meticulously documented, and ensure clear communication from day one. I would love to hop on a quick call to discuss your project. The first consultation is on me!