Hi, I'm Eric Maniraguha

Data Engineer

10+ years designing data systems, ETL pipelines, and BI solutions across healthcare, humanitarian, research, and public sectors. Translating complex data into reliable, decision-ready insights.

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Eric Maniraguha

Experience

Consulting & Advisory

Database Engineering & Systems Analyst Consultant

BrightSeed Hub Ltd. | Nov 2025 – Present

Designed and maintained scalable database systems for 90+ units. Optimized SQL solutions, ETL pipelines, and led database migrations.

Digital Health Implementation Consultant

eFiche | Jul 2026 – Oct 2026

Led data migration and EHR database implementation. Supported ETL, data quality, and frontend/backend localization.

AI & Machine Learning Curriculum Design Consultant

Intouch Communications | May 2026 – Aug 2026

Designed AI/ML curriculum covering supervised learning, deep learning, LLMs, NLP, RAG, MLOps, and applied AI systems.

Data Engineering & Database Systems Consultant

Dussoft Engineering | May 2023 – Nov 2025

Applied PostgreSQL, MySQL, SQL, Python, and Apache Airflow for data integration, ETL pipelines, data quality, and reliable analytical data platforms.

Technical Industry Experience

CyLab Africa / Upanzi Digital Public Infrastructure Network

Kigali, Rwanda | Jun 2023 – Dec 2025

Research Associate — Data Scientist & ICT Systems Analyst
Jun 2024 – Dec 2025
  • Designed and administered data platforms and ETL pipelines using Python, PySpark, PostgreSQL, Elasticsearch, and BI tools, enabling reliable data processing and analytics for Digital Public Infrastructure (DPI) and public-sector research.
  • Strengthened data reliability, security, and database performance through data modelling, SQL optimization, indexing, validation, backup/recovery, performance monitoring, and governance practices.
  • Applied statistical analysis, EDA, predictive modelling, machine learning, and descriptive, diagnostic, predictive, and prescriptive analytics to generate evidence-based insights and support system and research evaluation.
  • Developed Django, React, and REST API applications integrating AI/LLM, geospatial analytics, embeddings, and vector databases, expanding capabilities for intelligent information retrieval and data-driven applications.
Data & Model Analyst Researcher
Sep 2023 – Jun 2024
  • Designed and maintained data models and database structures that improved data organization, integration, and accessibility across DPI research initiatives.
  • Implemented data validation, reconciliation, quality assessment, and database integrity checks, improving the consistency and reliability of research datasets.
  • Applied SQL, relational database technologies, indexing, access controls, security, and data governance to strengthen the reliability and protection of research data platforms.
  • Applied descriptive, diagnostic, predictive, and prescriptive analytics, statistical methods, and computer vision to evaluate systems and generate actionable research insights.
Data Reconciliation Intern
Jun 2023 – Aug 2023
  • Supported DIGIT platform analytics and data flows in collaboration with e-Gov Foundation, working with Kafka-based data exchange between microservices and Elasticsearch.
  • Designed and implemented a Java/Spring Boot data reconciliation service that addressed data persistence and synchronization challenges between RDBMS and Elasticsearch, improving cross-system data consistency.
  • Applied JDBC and Spring Framework to support reliable data synchronization and strengthen the integrity of platform data.

AI Developer

C4IR Rwanda | Aug 2023 – Dec 2023

Developed NLP/LLM document intelligence and semantic-search solutions using embeddings and vector databases for government information retrieval.

Data Engineer

Dussoft Engineering | Jul 2019 – Sep 2022

Designed and automated ETL pipelines and relational databases. Built cloud data warehousing using AWS, Redshift, Amazon S3, Power BI.

ICT Systems & E-Business Solutions Consultant

Tech-Connect Business Park & IT Consultants | Apr 2015 – May 2019

Designed and supported enterprise ICT systems, relational databases, e-payment workflows, system integrations, and data quality controls.

Assistant Sales Manager & Retail Manager

Premier Bet Rwanda Limited | Aug 2012 – Aug 2015

Supported retail operations through reporting, performance tracking, operational dashboards, and data-driven decision-making.

Academic Experience

Assistant Lecturer – Oracle PL/SQL, Big Data Analytics & MIS

Adventist University of Central Africa – AUCA | Sep 2024 – Present

Teach Advanced Database Systems, Oracle PL/SQL, Big Data Analytics, and Management Information Systems; supervise projects in data science.

Assistant Lecturer

University of Lay Adventists of Kigali – UNILAK | May 2026 – Aug 2026

Teach Database Programming, Oracle PL/SQL, Web Applications, E-Commerce, HCI, Digital Innovation, and related ICT courses.

Assistant Lecturer

University of Kigali | Jan 2026 – Feb 2026

Delivered ICT Innovation, Intellectual Property, and emerging technology courses.

Recent Projects

Uber Dataset - Databricks Data Engineering

2026

End-to-End Data Pipeline using Databricks, PySpark, and Delta Lake. Implemented a 3-layer lakehouse architecture (Bronze/Silver/Gold) for streaming ingestion and transformation of Uber operational data.

DatabricksPySparkDelta Lakedbt

NYC Taxi Trip Analysis Dashboard

2026

Designed an interactive Databricks dashboard for NYC Taxi data. Implemented complete Data ETL pipelines covering all features of data engineering to analyze fare trends, route revenue, and trip distributions.

DatabricksData ETLDashboardsData Engineering

ERP Application Data Platform

2026

Led end-to-end ERP project. Designed MySQL ERP data platform, built REST APIs, ETL workflows, and Grafana monitoring on Docker infrastructure.

MySQLREST APIsDockerGrafana

HR Data Integration Pipeline

2026

Python ETL pipeline integrating employee data (CSV/JSON/XML) with schema harmonization. Produced 18,200-record Golden Employee Dataset.

PythonETLData Quality

Humanitarian Market Dashboard

2019 – 2022

Developed ETL workflows (Airflow/AWS S3) and BI dashboards integrating multiple data sources for food-price monitoring and predictive analytics.

AirflowAWS S3Power BI

GeoScalable Malaria Analytics

2024 – 2025

Geospatial data pipelines and GIS dashboards for malaria surveillance and hotspot analysis.

MongoDBDjangoPostgreSQLGIS

AI-Powered Document Navigator

2023

NLP/LLM document retrieval platform using embeddings, semantic search, and RAG for intelligent government information discovery.

NLPLLMRAGVector DB

Research Publications & Conference Contributions

Maniraguha, E., Karasira, A. D. N., Mukamakuza, C. P., Hakizimana, E., & Niyoyita, J. P. (2025). Micro-Geographic Mapping of Malaria Risk Factors in Bugesera District, Rwanda: A Village-Level Analysis. WASET International Conference, Vientiane, Laos, 18–19 December 2025. Conference Abstract/Publication.

View Publication Record

Contributor — First African Digital Humanism Summer School 2025
Carnegie Mellon University Africa (CMU-Africa), Kigali, Rwanda | July 2025

Contributed to the First African Digital Humanism Summer School, bringing together research on AI, digital humanism, culture, multilingualism, and human-centered technology. The Summer School proceedings were subsequently published on arXiv as First African Digital Humanism Summer School 2025 (arXiv:2601.08870).

View arXiv Proceeding

Technical Skills

Database Administration

Oracle, PL/SQL, PostgreSQL, MySQL, SQL Server, MongoDB, Elasticsearch, Amazon Redshift

Data Engineering

Python, PySpark, Pandas, ETL/ELT, Apache Airflow, Kafka, Data Warehousing, dbt

Analytics & AI

Power BI, Machine Learning, Scikit-learn, TensorFlow, Deep Learning, LLMs, NLP, RAG

Software, Cloud & DevOps

Django, Node.js, React, REST APIs, AWS, Docker, Kubernetes, CI/CD

Education & Certifications

MSc. Information Technology

Carnegie Mellon University Africa

Data Science & Machine Learning (GPA: 3.60)

Aug 2021 – May 2024

BSc. Information Management

Chreso University

Grade: Merit

Jun 2013 – May 2017

Professional Certifications

15+ Additional Certifications in AI/ML, Data Governance, Databases, and Software Development.