UDO CHRISTIAN NNABUGWU
KINGSWINFORD,Dudley
Summary
Results-driven Senior Data Engineer with 15 years of experience in data engineering, reporting, and analytics across various sectors. Specialises in T-SQL, Python, PySpark, Scala, and Power BI, with a strong focus on Azure data platforms. Manages the complete data lifecycle, ensuring data quality and governance while driving automation and continuous improvement. Collaborates with stakeholders to develop scalable data solutions that facilitate informed decision-making.
Overview
22
22
years of professional experience
Work History
Senior BI/Data Engineer
Al Rayan Bank
Birmingham
02.2022 - Current
- Led development and maintenance of data infrastructure, constructing data products, services, and platforms integrated into business systems and processes.
- Build robust pipelines using Microsoft Fabrics or Databricks, Python, PySpark, SQL and Azure data factory, for ETL/ELT Pipeline Engineering and custom orchestration.
- Ingest data from multiple sources, including SQL Server, Oracle, MySql, Excel, CSV, ERP, CRM, cloud storage, databases, and APIs, through robust ETL/ELT pipelines.
- Build and optimized data pipelines, notebooks, and data flows.
- Model data for analytics and AI which includes building tables, views, and schemas that support BI dashboards, machine learning, and operational reporting.
- Use Power BI and SSRS for building paginated reports, dashboards and KPIs for performance monitoring and critical management decision making.
- Utilised Big Data technologies like Spark for efficient streaming and batch processing.
- Write highly optimized queries, understanding execution plans, and tuning performance.
- Develop processes with Python or Scala for data processing, automation, and building internal tools.
- Develop Data Quality Frameworks for implementing validation, anomaly detection, and automated checks.
- Develop security & compliance framework for IAM, encryption, GDPR, access patterns, and least‑privilege design.
- Worked closely with business stakeholders to translate requirements into technical BI solutions.
- Ensured upstream systems don’t break downstream consumers.
- Mentor engineers, reviewing designs, setting standards.
- Performed Cross‑Functional Collaboration — working with product, analytics, ML teams, and software engineering.
- I deliver a complex data initiative from concept to production for the origination’s exception report.
- Cataloguing, lineage, and documentation to support discoverability.
Senior Business Intelligence Developer
TotalEnergies Nigeria
12.2013 - 12.2022
- Led development of BI reporting solutions using Power BI, SSRS, and Crystal Reports.
- Designed and delivered Azure-based data management and analytics solutions, including Data Factory pipelines and Data Lake architectures.
- Developed and maintained data visualization using BI Tools like Power BI and similar tools to build dashboards, KPIs, communicate insights, and support self‑serve analytics.
- Developed interactive Power BI reports to visualise data insights for stakeholders.
- Developed complex SQL queries to extract insights across multiple data systems.
- Developed SQL queries and analytical reports for business performance monitoring and strategic decision-making.
- Worked closely with business stakeholders to translate requirements into technical BI solutions.
- Implemented data ingestion solutions from multiple sources (Blob Storage, HTTP, Databricks, HDInsight).
- Developed and maintained SSIS ETL pipelines, SSAS models, and enterprise data warehouses.
- Optimised BI platforms to enhance system performance and ensure data reliability.
- Broke down ambiguous problems, identified drivers of performance, and proposed measurable solutions.
- Delivered high-quality, timely, accurate reports to internal and external stakeholders.
- Enabled informed decision-making with real-time data access through the creation of user-friendly self-service tools.
Software Engineer
Rizenton Technologies Nigeria
10.2007 - 11.2013
- Contributed to full SDLC, ensuring seamless design, development, testing, deployment, support processes.
- Developed enterprise applications for HR, compliance, payroll, budgeting, workforce management, enhancing operational efficiency.
- Delivered reporting and workflow-driven systems, facilitating user engagement for thousands.
Software Developer
Sidmach Technologies Ltd
01.2004 - 10.2007
- Developed large-scale public-sector systems including national examination registration, military payroll, pension administration, and school management systems.
- Delivered ETL, reporting, replication, and database administration solutions using Microsoft technologies.
- Consistently met project milestones while maintaining rigorous quality control standards throughout all stages of the development life cycle.
- Identified and fixed bugs before product deployment, saving time and resources.
- Facilitated effective communication and problem-solving within the team, enhancing collaboration.
- Mentored junior developers, improving their technical skills and promoting continuous learning.
Education
B.Eng. - Electrical & Electronics Engineering
University of Port Harcourt
Port Harcourt01-2010
HND. - Computer Science
Institute of Management & Technology
Enugu01-2000
Skills
- Azure (ADF, Fabric, Databricks, PySpark Data Lake, SQL)
- SQL programming
- Data Warehouse
- Data warehousing
- ETL development
- Data orchestration
- Data Modelling
- Power BI expertise
- Azure DevOps
- CI/CD
- SQL Server proficiency
- Stakeholder Engagement
Accomplishments
- Built multiple scalable pipelines, one of them ingest data from 100+ data sources with different data formats. Highly parameterised for efficiency.
- Modelled data warehouse with multiple data marts for reporting efficiency.
- Optimised a slow database processes and improved performance by 65%.
- Built a unified dashboard providing daily, monthly, quarterly financial performance with 15% impact on business.
- Built an exception dashboard that identifies exceptions from various business processes and notifies the appropriate stakeholders promptly, Error management has improved by over 80%.
- Built dashboard that provides visibility in loans and mortgages, that help in managing backlogs efficiently.
- Built dashboard that provided visibility of oil production across 500+ oil wells.
- Built budget performance dashboard that provided visibility on how different budget lines performed across numerous entities in a fiscal year.
Custom Section
Yes
Personal Information
Hobbies: Football, Swimming, Watching Movies
Websites, Portfolios and Profiles
https://www.linkedin.com/in/udo-christian-nnabugwu/
Timeline
Senior BI/Data Engineer
Al Rayan Bank
02.2022 - Current
Senior Business Intelligence Developer
TotalEnergies Nigeria
12.2013 - 12.2022
Software Engineer
Rizenton Technologies Nigeria
10.2007 - 11.2013
Software Developer
Sidmach Technologies Ltd
01.2004 - 10.2007
B.Eng. - Electrical & Electronics Engineering
University of Port Harcourt
HND. - Computer Science
Institute of Management & Technology