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Stephen Williams

Chief Consultant — Certified Data Engineer & Solution Developer

With over 20 years of experience across travel, retail, media, banking, and finance, I transform complex data challenges into streamlined, high-performance solutions across cloud environments. Passionate about innovative data strategies that inspire, engage, and perform under pressure.

20+ Years Experience
45+ Projects Completed
7+ Organisations

Core Skills

Data & Backend Development 90%

Python · SQL · R

Visualisation & BI 85%

Power BI · Amazon QuickSight · Plotly · ggPlot2

Data Tools & ETL 80%

Dbt · Airflow · Databricks · Snowflake

Cloud & DevOps 75%

AWS · Docker · Git · Terraform

Work Experience

May 2025 — Present Current

Chief Consultant

Steleios Technologies (StartUp)

Developing cloud-based data solutions, building highly efficient data pipelines and consulting on cost efficiency of cloud data storage and processing.

July 2017 — April 2025

Senior Manager — Digital Transformation & Data Analytics

Burgan Bank, Kuwait

Led people analytics and executive dashboard projects using Qlikview, integrating multiple data sources HRMS - Biometric Attendance - Performance System - Learning Management Platform - Payroll - Qualtrics (Survey Tool). Achieved significant cost reduction through Python automation across reporting workflows and 6% improvement in Attrition rates. Introduced and implemented Balanced Scorecard methodology & metrics Dashboard.

June 2014 — July 2017

Assistant Manager — Strategy & Planning

Commercial Bank of Kuwait, Kuwait

Contributed to strategic and operationalplanning across the Bank. The developing and implementing of strategic monitoring initiatives for regulatory compliance. Co-ordinated cross departmental initiatives and projects.

February 2012 — December 2013

Manager — Business Intelligence

Jawad Business Group, Bahrain

Developed a Business Intelligence solution for 300 restaurants spanning 6 countries and 18 international brands. Delivered dashboards covering Sales & Inventory analysis, Footfall analysis, and Marketing effectiveness — driving a 3× increase in sales, measurable footfall improvement, highly efficient marketing outcomes, and significant reduction in raw material wastage.

October 2010 — January 2012

Sabbatical

Personal sabbatical — time taken for travel, reflection, community service and personal development.

April 2006 — September 2010

Associate IT Consultant

Siemens, India (Onsite Project - BBC, London UK)

Worked on BBC London SLA monitoring project integrating multiple data sources through ServiceFlow, delivering structured data pipelines. Worked on London Bus Service real-time monitoring and data integration projects.

January 2001 — March 2006

Senior Executive — Systems

Cox & Kings, India

Managed travel website data in MySQL and developed web solutions in PHP for one of India's leading travel companies.

Education & Certifications

Kanpur University logo

Bachelor of Science — Mathematics

Christ Church College, Kanpur University

1994 – 1997

HackerRank logo

HackerRank Certified — SQL Advanced

HackerRank

2025

AWS Certified Data Engineer badge

AWS Certified Data Engineer

Amazon Web Services

2024 – 2025

AWS Certified Solution Architect badge

AWS Certified Solution Architect

Amazon Web Services

2024 – 2025

Harvard University logo

Certified Data Science & Data Wrangling

Harvard University

2018

Microsoft Certified Professional logo

Microsoft Certified Professional — SQL Server

Microsoft

2006