Stanbic Bank Kenya - Data Engineer

Mission

Modernize legacy Oracle/EDW workloads into resilient Python + Airflow pipelines that are fully observable, validation-first, and easy for operations to support.

What I Own

Data Contract Design

• Translate requirements from Finance, Risk, and Operations into versioned schemas, SLAs, and validation rules
• Maintain reusable query → read_sql → to_sql patterns for ingestion and curation layers
• Embed pre/post checks, automated rollbacks, and alerting into every DAG

Pipeline Engineering

• Build batch and streaming workflows with Airflow, Polars, Delta Lake, and Kafka
• Harden legacy processes with modular Python code, environment-aware configs, and automated tests
• Ensure high availability by instrumenting metrics, logs, and dashboards consumed in Power BI

Stakeholder Enablement

• Deliver Excel runbooks, observability dashboards, and weekly readouts to reduce escalations
• Partner with platform teams to align on naming conventions, security posture, and deployment playbooks
• Lead cross-functional workshops so teams understand data lineage and recovery paths

Highlights

• Zero-regret cut-over from Oracle cron jobs to Airflow DAGs, eliminating manual interventions and opaque deployments
• Validation-first mindset with more than 25 SLAs protected by automated checks and alerting
• Faster delivery cadence by introducing reusable ingestion templates and shared code modules

Tooling Stack

• Python, Polars, Pandas
• Apache Airflow, dbt, Delta Lake
• Oracle EDW, SQL Server, Kafka
• Power BI, Excel runbooks, Microsoft Fabric

HFC Kenya - Data Engineer

Engagement Overview

Contract data engineer focused on accelerating a banking transformation initiative with Power Platform solutions, AWS Redshift migration readiness, and regulatory automation.

Responsibilities

• Designed and launched production Power Apps paired with Power Automate flows for branch operations teams.
• Authored dimensional models, loading templates, and QA scripts to support an AWS Redshift data warehouse migration.
• Automated SOAPUI workflows for Central Bank of Kenya submissions, introducing repeatable validation steps.

Impact

• Replaced manual, paper-intensive processes with low-code solutions fully adopted by branch staff.
• Delivered reusable migration collateral that reduced data loading time and increased confidence in the new warehouse.
• Lowered regulatory reporting effort while improving accuracy and auditability.

Upwork - Freelance Data Analytics Engineer

Focus Areas

• Technical writing that explains complex data engineering topics to hiring managers and project leads.
• Analytics consulting engagements helping teams deploy dashboards, instrumentation, and reporting cadences.
• Portfolio reviews and deployment optimization for engineers showcasing their work.

Highlights

• Delivered large-scale content projects that improved organic discovery and conversion rates for hiring platforms.
• Scoped and shipped analytics dashboards with clear adoption documentation and stakeholder enablement.
• Maintained a 4.4/5 satisfaction rating across all long-term engagements.