Roger Olando
Nairobi
The tech you use impresses no one. The experience that you create with it is everything
Summary
Data Analyst with expertise in business transformation, data analytics, and process optimization. Experienced in analyzing large datasets to support decision-making. Proficient in SQL, Python, Power BI, Tableau, and statistical analysis, with a strong background in business intelligence and data visualization. Skilled in collaborating with teams to improve operations and streamline workflows.
Overview
1
1
year of professional experience
1
1
Certificate
Work History
Business Data Analyst
Azul Tech
01.2025 - Current
- Collected, cleaned, and analyzed 50,000+ data points from multiple sources to support business transformation initiatives.
- Developed interactive dashboards (Power BI, Tableau) tracking 15+ key performance indicators (KPIs), leading to a 20% increase in operational efficiency.
- Conducted statistical analysis to evaluate process improvements, contributing to a 30% reduction in turnaround time for data-driven decisions.
- Collaborated with stakeholders to define data requirements and ensure 98% data accuracy for reporting.
- Provided insights that helped optimize business operations, reducing inefficiencies and costs by $50,000 annually.
Software Developer; Insurance & Health Systems
Neuron Software Solutions
09.2024 - 12.2024
- Designed and implemented data-driven solutions that improved claims processing efficiency by 25%.
- Developed SQL-based reports and dashboards that enhanced business intelligence, reducing data retrieval time by 40%.
- Optimized database queries and backend logic, improving system performance by 50% and reducing downtime.
- Worked with cross-functional teams to ensure compliance with industry regulations and data security policies, improving audit readiness by 15%.
Research & Analytics Intern
Koko Networks Limited
02.2024 - 05.2024
- Conducted research and data analysis using Python, Excel, and statistical models, supporting a 10% increase in data-driven marketing strategies.
- Designed and implemented surveys, gathering 5,000+ data points to support strategic decision-making.
- Created reports and data visualizations that improved stakeholder engagement and led to 30% faster decision-making cycles.
- Spearheaded ad campaign optimization, increasing audience engagement by 25% through data-driven insights.
Education
Data Science Lab Program - Applied Data Science
11.2024 - Current
- Explore the Mexican real estate market to determine whether location or home size is more important in determining price.
- Build a model for customer segmentation in the US
- Predict apartment prices in Buenos Aires, Argentina
- Build models to predict air quality in Nairobi, Kenya
- Assess building damage following the 2018 earthquake in Nepal
- Build a model to predict bankruptcy in Poland
Bachelor of Science - Statistics and Computer Science
12.2022
- Member of TUM Innovations Club, 2019 to 2022
- Member of Swahili Pot Hub Tech Society 2020 to 2023
Computer Programming
08.2019
- Acquired fundamental and advanced Java programming skills.
- Proficient in object-oriented programming (OOP) concepts such as inheritance, polymorphism, encapsulation, and abstraction.
- Developed hands-on experience in Java frameworks, data structures, and algorithms.
- Built and tested applications using Java, including GUI development with JavaFX/Swing.
- Gained experience with Java development tools such as Eclipse, IntelliJ IDEA, or NetBeans.
- Worked with databases using JDBC for data management and integration.
- Implemented exception handling, multithreading, and file I/O operations.
- Applied Java for web development using Servlets, JSP, or Spring Framework.
Skills
- Data Analysis & Reporting: SQL, Python (Pandas, NumPy, Matplotlib, Seaborn), R, Excel, Power BI, Tableau
- Business Intelligence & KPI Tracking: Creating dashboards, performance measurement
- Process Improvement: Lean, Six Sigma methodologies, root cause analysis
- Predictive Analytics & Statistical Modeling: Regression, clustering, A/B testing
- Data Visualization: Presenting actionable insights for decision-making
- Stakeholder Collaboration: Engaging with leadership, finance, IT, and operations teams
- Data Quality Management: Ensuring data accuracy and compliance
Accomplishments
- Business Intelligence Dashboard: Built a Power BI dashboard improving efficiency by 15%.
- Process Optimization: Reduced turnaround time by 35% through data-driven analysis.
- Crash Data Digitization Project: Led the digitization of crash data collection, cutting retrieval time by 50%.
- STEM Impact & US Embassy Kenya Lead Trainer (2022): Trained 100+ youth on 3D printing and design during the Mombasa County Youth Training at the American Corner.
- TUM Multidisciplinary Innovation Week 2021: Secured 3rd place in Robotics and Artificial Intelligence, competing against 20+ teams.
- 1st Place - 2022 Climathon Hackathon Mombasa: Developed an award-winning e-waste solution, recognized for scalability and impact.
- EdTech Learning Support Ambassador (2021 - 2023): Facilitated digital learning for 200+ students, improving access to coding and robotics education.
- 2nd Runner-up - 2024 Huawei Appcube Hackathon: Designed a software solution for MSMEs and SMEs, improving business management efficiency by 30%.
Languages
English
Proficient
C2
Swahili
Proficient
C2
Certification
- Vexcode Virtual Robotics Educator Certification
- Google Kickstart Coding Competitions 2020
- Explore Emerging Tech; IBM
- CompTIA Data+ (DA0-001) Cert Prep: Domain 1.0 Data Concepts and Environments
- CompTIA Data+ (DA0-001) Cert Prep: The Basics
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Work Preference
Work Type
Full TimeGig WorkInternshipPart TimeContract WorkWork Location
On-SiteHybridImportant To Me
Personal development programsCareer advancementWork-life balanceHealthcare benefitsTimeline
Business Data Analyst - Azul Tech
01.2025 - Current
WorldQuant University - Data Science Lab Program, Applied Data Science
11.2024 - Current
Software Developer; Insurance & Health Systems - Neuron Software Solutions
09.2024 - 12.2024
Research & Analytics Intern - Koko Networks Limited
02.2024 - 05.2024
Technical University of Mombasa - Bachelor of Science, Statistics and Computer Science
Greenbridge School of Open Technologies - , Computer Programming
Technical Tools and Languages
- Programming & Querying: Python, SQL, R
- Data Visualization & BI: Power BI, Tableau, Excel
- Process Improvement: Lean, Six Sigma
- Cloud & Database Management: AWS S3, Microsoft SQL Server
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