Lonah Maigua

Creative and detail-oriented software engineer with experience building responsive, user-centered web applications. Skilled in modern frameworks and translating complex data into intuitive interfaces and dashboards. My background in backend and data engineering enables me to design seamless integrations between frontend experiences and scalable services, ensuring performance and reliability.

Passionate about crafting accessible, innovative solutions that empower users and deliver real-world impact, I thrive in collaborative environments where design, technology, and human needs intersect.

Software Developer at Beninda Group Limited (2024-09 – Present)

• Designed and deployed a Kafka-ClickHouse Implemented Kafka event pipeline delivering real-time financial dashboards and auditable financial data streams.
• Collaborated with a cross-functional team to deliver a SACCO cross-platform application, building RESTful financial APIs and SQL infrastructure that automated loan and interest calculations for members accessing personalized dashboards
• Led Paystack payment integration, building secure webhooks and automated verification flows to ensure smooth user payment experiences.
• Collaborated with frontend teams to expose APIs and ensure seamless integration with user-facing dashboards.
• Conducted security audits identifying vulnerabilities and implementing protections that strengthened trust in partner digital systems, while performing regular maintenance and updates to ensure ongoing reliability.

Data Science Intern at Datahouse AG (2024-10 – 2025-03)

• Built ETL pipelines to process hierarchical building and property portfolio data from REST APIs into a normalized PostgreSQL schema for multi-dimensional analytics.
• Developed Apache Superset dashboards for repair planning, refurbishment costs, and component condition forecasting across multi-building portfolios.
• Integrated R-based ART price prediction models and Python ML workflows into a FastAPI service, exposing REST endpoints for external systems.
• Containerized ML services using Docker for reproducible development and production deployments.
• Produced automated R Tidyverse reports analyzing year-over-year portfolio price changes, enabling actionable insights for stakeholders.

Junior Software Developer at Astute Technical Solutions (2023-04 – 2023-08)

• Built a Django web application with authentication and role-based access control, supporting internal reporting and user management.
• Optimized database performance through indexing and query refinement, improving responsiveness of user-facing features.
• Maintained and updated the company's WordPress website, configuring plugins and tuning performance to enhance user experience.

Bachelor of Science in Computer Science – Dedan Kimathi University of Technology (2020-09 – 2024-12)