Samuel W. - Accountant/Executive Assistant

Nairobi, Kenya

Experience

Feb 2025 - Present

11 months

Accountant/Executive Assistant

KINCO Limited

Managed financial operations using QuickBooks and Excel, including accounts payable/receivable, reconciliations, and reporting, improving accuracy by 25%.
Supported budgeting, expense tracking, and audit preparation with Excel, reducing reporting turnaround time by 30%.
Coordinated executive calendars, travel, and meetings through Google Meet, Google Calendar, and Amadeus, saving the executive an average of 10 hours per week.
Prepared documents, correspondence, and presentations using Microsoft Office Suite, ensuring timely and professional communication with clients and stakeholders.
Organized and maintained confidential records in Google Drive and Dropbox, boosting retrieval efficiency by 40% and supporting compliance needs.
Streamlined workflows with Power BI and Microsoft Teams, cutting manual errors and improving collaboration by 35%.

Jul 2023 - Present

2 years 6 months

Data Analysis and Python Programming Instructor

Teaching learners how to automate tasks with Python.
Issuing and assessing projects.
Teaching data analysis foundation, intermediate, and advanced skills.

Nov 2021 - Nov 2022

1 year 1 month

Data Analysis Instructor

Designing and developing instructional materials, lesson plans, and course content that cover various aspects of data analysis.
Conducting training sessions to deliver the prepared curriculum to learners.
Conducting weekly assessments to evaluate learners' progress and their understanding of data analysis concepts.

Feb 2020 - Aug 2020

7 months

Back-End Developer

Andela

Designed and implemented a highly scalable and efficient database system for a web application.
Developed and maintained several RESTful APIs that integrated multiple systems and provided seamless data exchange.
Collaborated with a cross-functional team of designers, front-end developers, and project managers to deliver high-quality, fully functional web applications within tight deadlines, contributing to the successful launch of multiple products.
Integrated payment API like Daraja API.

Jun 2019 - Present

6 years 7 months

Data Analyst

CloudFactory

Designed and developed data pipelines and ETL workflows to reliably and efficiently ingest and process large volumes of data from various sources, improving data accuracy and timeliness by 30%.
Built and maintained scalable and fault-tolerant data infrastructure on cloud-based platforms such as AWS and Azure, reducing downtime and improving system availability by 25%.
Collaborated with cross-functional teams to identify and address data quality issues, leading to a 40% improvement in data accuracy and completeness.
Implemented data security and compliance policies and procedures, ensuring adherence to GDPR and HIPAA regulations and reducing the risk of data breaches by 50%.

Feb 2019 - Mar 2020

1 year 2 months

Full Stack Engineer

Andela

Headed a five-member team, reviewing code and contributing to application development.
Used React coupled with Material Design for UI, Git for version control, MS SQL Server for database, and Mocha for testing.
Deployed applications on Azure.

Feb 2018 - Nov 2019

1 year 10 months

Tutor

Teaching the programming language python to newbies is exhilarating. It's like magic before their eyes, but in this case I use a terminal rather than a creepy smoke cell backed up by an overly hyper clown, and it excites me as I can relate, the first time is always memorable.
I get to learn new things as I teach.

Feb 2017 - May 2019

2 years 4 months

Mentor

My main focus of this voluntary service is to advise and motivate teens who are in the age bracket of self-exploration by showing them the do's and don'ts and expected outcomes of different choices that they are prone to make during this time.

Summary

As a Data Engineer, my objective is to leverage my experience in developing and maintaining data infrastructure to drive business insights.

With a deep understanding of data management and big data technologies, I aim to deliver scalable, reliable, and robust data pipelines that enable data-driven decision-making and improve business performance.

I am committed to continuously learning and exploring new technologies to optimize data processing and analysis.