
Emanuel Cheiyot
Software Engineer
Competenze

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Portfolio
Esperienza lavorativa
Software Engineer (Data Engineering)
Open Horizons • Full time
May 2025 - Nov 2026 • 1 yr 6 mos
Led data engineering for ReconTip, a financial reconciliation platform for institutional fund clients. It reconciles bank statements, cash books and unit holder books with full data lineage and audit trails. • Designed an eight-stage reconciliation pipeline: ingestion, extraction, validation, suspense handling, automated matching, dual sign-off and immutable snapshot reporting • Built Apache Airflow ETL pipelines that extract data from structured files and scanned documents using Tesseract OCR and Google Document AI • Built a rule-based matching engine on a transaction classification taxonomy. Every record is either classified or routed to suspense, so no data is silently dropped • Modelled reconciliation and accounting data in PostgreSQL, including an Investment Book module that derives a trial balance, ledger and journal, and tuned query performance • Enforced ISO 27001 controls: encryption at rest and in transit, role-based access, maker-checker approvals and audit logging • Shipped typed REST APIs with Django and django-ninja, kept in sync with TypeScript frontend models, and deployed with Docker Compose, Gunicorn and Nginx
Software Engineer (Data Engineering)
LEDR Technologies Inc • Full time
Sep 2023 - Aug 2024 • 11 mos
Backend and data engineer on the teams that built two Business Intelligence platforms, Menillium and IHG POC. Both extract, integrate and analyse enterprise data to deliver visual insights and predictive analytics. • Built backend services and data pipelines with Django, FastAPI, Apache Airflow, pandas and NumPy • Implemented authentication, authorisation and encryption to protect sensitive enterprise data • Diagnosed and fixed database issues including replication lag, schema drift and failed migrations • Contributed to proof-of-concept builds evaluating new technologies • Worked with frontend, DevOps, design and product teams; reviewed code and wrote design specs, API docs and architecture diagrams
Software Developer
SokoSolar • Part time
Jul 2022 - Jan 2023 • 6 mos
Built Sokosolar, a solar marketplace where users design custom solar systems, generate dynamic quotes and buy from a curated network of sellers. • Delivered roadmap features end to end, from requirements to deployment, using Flask, Flask-RESTX and React • Designed relational database schemas for data integrity and query performance • Ran user acceptance testing, installation and post-launch support for production releases • Reduced cloud costs by monitoring GCP resource usage and removing unused resources