Uzochukwu Ekezie

Uzochukwu R. Ekezie Profile Summary Data professional skilled in backend development and data engineering, passionate about building scalable automation systems and intelligent risk solutions. Experienced in designing and implementing backend APIs, ETL pipelines, and cloud-based integrations using Node.js, Python, and TypeScript. Proficient in automating workflows, ensuring data quality, and delivering reliable, high-performance systems that support data-driven decision-making. Skills ●​ Languages: Programming: Python, JavaScript (Node.js, Express), TypeScript, REST APIs ●​ Technical skills: Data Modeling, ETL Management, Data Scraping, Master Data Management ●​ Technologies / Frameworks: GitHub, Pandas, Docker, Airflow, DBT, Spark, AWS, Excel, Solid Works ●​ Data & Analytics: SQL (PostgreSQL, MySQL, MongoDB), Data Modeling, KPI Development, Data Storytelling. ●​ DevOps / Tools: GitHub Actions, CI/CD, Docker, AWS, Postman, Jest, Microservices Work Experience Renewed Care​​ ​ ​ October 2025 Data Engineer ●​ Built robust data-engineering pipeline using Airflow to automate extraction and scheduling of health-dataset sources. ●​ Conducted data cleaning and validation with Python/Pandas to maintain consistency and accuracy across multiple datasets. ●​ Modeled and optimised datasets in PostgreSQL for efficient query and analytics readiness; authored transformation scripts in dbt to standardise data across indicators and maintain lineage. ●​ Collaborated with data & AI teams to align pipeline outputs with predictive modelling goals; wrote technical and non-technical documentation to support engineers and domain experts. ●​ Authored detailed technical and non-technical documentation to guide both engineers and domain experts in understanding, maintaining, and utilizing their system. ●​ Documented database configurations, migration steps, and operational procedures.​ National Judicial Institute​ ​ Backend/ System Support Engineer ​ ​ ​ ​ April 2024 – March 2025 ●​ Supported large-scale backend services handling privileged and time-sensitive institutional workflows. ●​ Documented system performance and assisted in troubleshooting technical issues, reinforcing problem-solving and debugging skills. ●​ Collaborated with cross-functional teams to ensure operational efficiency and reliability of deployed systems. ●​ Contributed to database maintenance, indexing improvements, and schema documentation to reduce query overhead and improve data retrieval performance. ●​ Assisted in system performance monitoring and troubleshooting using log-based diagnostics and SQL query analysis. ●​ Participated in test-driven enhancements to backend modules, improving stability and reducing regression incidents. Altschool Africa | SkillHub Project​ ​ ​ ​ November 2024 – March 2025 Data Engineer ●​ Built automated ETL workflows in Python to process 1M+ records daily, improving data delivery speed by 35%. ●​ Developed key performance indicators (KPIs) and dashboards to measure platform adoption, region-wise engagement and job-fulfillment metrics, enabling product stakeholders to make monthly data-driven decisions. ●​ Created interactive dashboards using SQL + Python (Pandas, Matplotlib) to visualize user behaviour and job-match performance. ●​ Collaborated across backend, data & product teams to integrate pipeline outputs with analytics models and support future automation features. Tech-Star Community | Book-Lab Project​ ​ ​ February 2023 – September 2023 Backend developer ●​ Developed RESTful APIs and automation scripts in Node.js to support internal analytics and compliance dashboards. ●​ Implemented database queries and aggregation pipelines (MongoDB or SQL) to deliver real-time insights; improvements led to a 40% increase in system reliability and faster insight availability. ●​ Worked with frontend developers to integrate data visualisations and analytics endpoints, enhancing user-facing monitoring tools. ●​ Performed schema design, index tuning, query optimization, and data integrity enforcement.​ National Space Research and Development Agency ​ ​ October 2021 – March 2022 Engineering and Robotics Intern ●​ Assisted in data processing and visualization tasks for research projects. ●​ Supported reporting by preparing structured datasets for internal dashboards. ●​ Documented technical work and presented project findings to stakeholders. Education Abia State University, Uturu, Abia State, Nigeria Bachelor of Mechanical Engineering​ ​ ​ ​ December 2017 – July 2022 ​ ​ ​ May 2024 – May 2025 AltSchool Africa Diploma Data Engineering​ ​ Certification • AltSchool – Data Engineering Certification • Oracle – Oracle ABD professional certificate