Portfolio

Email
njengakelvin71@gmail.com
Phone
+254 712 715-871
Birthday
March 29
Location

Nairobi, Kenya

About me

I am an astute data scientist with expertise in statistical analysis and data modeling. I offer comprehensive data analysis services, uncovering valuable patterns, trends, and correlations to drive informed decision-making. With a data-driven and technology-focused approach, I develop customized machine learning models that solve complex problems. By deploying these models, I provide accurate predictions and actionable insights to businesses.

My strength lies in creating interactive dashboards and visualizations that enable self-service analytics, allowing businesses to easily explore and understand their data. I am skilled at communicating complex concepts clearly to stakeholders, building consensus around well-founded models. Moreover, I am passionate about the positive impact of data science and actively contribute to conversations on #ai4good, #datascience, #machinelearning, #pythonautomation, and #businessanalytics.

What i'm doing

Data Analysis

I specialize in performing in-depth data analysis to uncover valuable insights and patterns. By utilizing advanced statistical techniques and data modeling, I extract meaningful information from large and complex datasets.
Machine Learning

I develop and deploy cutting-edge machine learning models to solve complex problems and make accurate predictions. Through model building, training, and fine-tuning, I leverage algorithms and techniques to drive data-driven decision-making.
Data cleaning & preprocessing

Ensuring data quality and integrity is a top priority for me. I perform thorough data cleaning and preprocessing tasks, including handling missing values, removing outliers, and transforming data into suitable formats for analysis and modeling.
Data Visualization and Communication

I excel in creating compelling visualizations that effectively communicate insights and findings. By utilizing charts, graphs, and interactive dashboards, I present complex data in an intuitive and understandable manner, enabling stakeholders to make informed decisions.

Testimonials

Joseph Makonge

I had the privilege of working with Kelvin on multiple game development projects, and his talent is truly remarkable. Together, we won the Best Game award at the Nairobi Global Game Jam not once, but twice—both in 2020 and 2023. Kelvin's exceptional skills and dedication make him a standout in the field. Highly recommended for any Professional opportunity.
Francis Kyalo

I was absolutely thrilled to work with Kelvin on a data science project. He possesses an exceptional command of technical skills, demonstrating a deep understanding of data analysis and machine learning algorithms. Furthermore, Kelvin possesses remarkable communication skills which he utilized to effectively convey complex concepts and findings to both technical and non-technical stakeholders, ensuring a clear understanding and alignment among the team. His ability to articulate ideas in a concise and engaging manner greatly facilitated collaboration and fostered a positive work environment.
Mitchel Chege

Working closely with Kelvin, I have consistently observed his unwavering commitment to delivering his tasks promptly. His timeliness and dedication ensure that project milestones are met efficiently and effectively. Additionally, a satisfying attribute common throughout all projects worked on with him is his impeccable attention to detail while handling deliverables as it clearly demonstrates both his precise nature and exceptional standards aiming for excellence. As a result of these qualities, I consider Kelvin an esteemed team member whose skills and dedication make him an indispensable asset in the field of data science. In light of this, I endorse him for any future projects seeking to attain high-quality output within specified timelines.
Yakwetu Africa

As an organization, we are thrilled to provide this recommendation for Kelvin Njenga, a talented data scientist who worked with us at Moringa. Kelvin was an integral part of our team of data scientists assigned to the Yakwetu Performance Dashboard project, where he showcased exceptional technical skills in data cleaning, analysis, and visualization using Tableau. Kelvin's contributions were vital to the success of the Yakwetu Performance Dashboard. His expertise in data cleaning ensured high-quality data for the development of the dashboard. Through his efforts, we were able to design a powerful visual analytics tool that provided real-time insights on key performance indicators to Yakwetu's Management Team. Kelvin's dedication and commitment to his work were truly remarkable. He consistently went above and beyond to ensure timely project completion and deliver outstanding results. His strong communication skills and collaborative approach greatly contributed to the success of the project, earning appreciation from both colleagues and clients. We highly recommend Kelvin Njenga for any role that requires data cleaning, analysis, and visualization skills. His professionalism, expertise, and commitment to excellence make him a valuable asset to any team.

Badges

22 May, 2023

I am delighted to share my testimonial for Kelvin, a highly talented data scientist and a remarkable collaborator. I had the pleasure of working with Kelvin on a campus project that involved leveraging OpenCV technology to automate attendance recording in our class. Kelvin's expertise in data science and his strong understanding of computer vision were instrumental in the success of the project. His dedication and meticulous approach to problem-solving ensured that we developed an efficient and accurate attendance system. Kelvin's ability to translate complex concepts into practical solutions was truly impressive. Beyond our campus project, Kelvin and I formed a dynamic partnership in game development, participating in the Nairobi Game Jam in both 2020 and 2023. Together, we clinched the winning title in both competitions, showcasing our collective skills, creativity, and passion for gaming. Kelvin's contributions to our game development endeavors were invaluable, especially his data-driven insights and his ability to implement machine learning techniques in game design. Working with Kelvin has been an absolute pleasure. His professionalism, reliability, and commitment to excellence are truly commendable. He consistently demonstrates a strong work ethic, going above and beyond to ensure the success of our collaborations. Furthermore, his collaborative nature and excellent communication skills have made him an exceptional team player. I wholeheartedly recommend Kelvin for any data science-related project or collaboration. His expertise, innovative mindset, and proven track record of success make him an invaluable asset. I am confident that Kelvin's passion for data science, coupled with his dedication to continuous learning, will lead him to achieve even greater milestones in his career. User make it short and sweet ChatGPT I highly recommend Kelvin, a talented data scientist and collaborative partner. We worked together on a campus project utilizing OpenCV for automated attendance. We also won two game jams in Nairobi in 2020 and 2023. Kelvin's expertise, dedication, and innovative mindset make him an invaluable asset for any data science project or collaboration.

Resume

View Resume

Experience

Financial Data Analyst | Kingdom Bank
October 2023 — Present
•Report Automation & Development:
I design and automate a variety of performance reports, including scorecards, Bankers' performance reports, Direct Sales Representatives’ daily KPI reports, and other critical analytics that ensure our team has the information needed to meet and exceed our targets. Utilizing Excel, SQL, and Python, I streamline data extraction and processing to ensure timely and accurate reporting.
• Competitor Analysis:
I conduct comprehensive competitor analysis, utilizing a combination of macroeconomic research and data analytics to provide insights that inform Kingdom Bank's strategic initiatives. My analyses help the bank to position itself effectively in the market and stay ahead of industry trends.
• Revenue Assurance & System Leak Detection:
I support revenue assurance activities by identifying and addressing system leakages. Through detailed data analysis and reporting, I ensure that all revenue streams are accurately accounted for, safeguarding the bank’s financial integrity.
• Loan Disbursement & Repayment Analysis:
I produce detailed reports on loan disbursements, repayments, and portfolio-at-risk (PAR), advising on trends and potential risks. These insights are crucial for optimizing the bank’s lending strategies and managing risk effectively.
• Stakeholder Collaboration & Management:
I collaborate with cross-functional teams to maintain data accuracy and integrity across all reports, ensuring that deliverables are aligned with business objectives. I manage stakeholder expectations by delivering high-quality, timely reports that meet the bank's operational needs.
• Continuous Learning & Application:
I stay at the forefront of industry advancements by continuously upskilling in Python, Excel, SQL, and financial modeling. This ongoing development enables me to implement best practices in data analysis and reporting, providing Kingdom Bank with cutting-edge insights and solutions.
Business Data Analyst | Image Registrars
May 2022 — October 2022
• Provided key insights to the top management regarding potential areas for growth, optimization, and improvements in the immobilization and private transfer of shares.
• Handled shareholder data during the handover process and ensured the ethical handling of private data, including financial information for top companies in Kenya and East Africa.
• Reviewed, researched, and developed a strategy for implementing rapid prototyping and application development using industry-leading business intelligence (BI) tools. This enabled the team to deliver quick and effective insights to the company's management.
• Assisted with virtual Annual General Meeting (AGM) management services for prominent companies like Safaricom PLC, KCB Group PLC, Sasini PLC, EAAGADS PLC, Equity Group PLC, Sanlam PLC, Standard Group PLC, and DTB PLC. This experience provided valuable expertise in event management and production, further enhancing industry-specific skills.
• Performed data cleaning and preprocessing, ensuring high data quality and reliability for analysis and modeling.
Data Analyst Intern | Image Registrars
Feb 2022 — April 2022
• Conducted data exploration and data cleaning to ensure data accuracy and completeness.
• Performed statistical analysis and hypothesis testing to extract insights and make data-driven recommendations.
• Collaborated with cross-functional teams to identify data requirements and develop solutions that met business needs.
• Developed and maintained data models and databases for efficient data storage and retrieval.
• Provided data-driven insights and visualizations to stakeholders through reports, dashboards, and presentations.
• Monitored and analyzed key performance indicators (KPIs) to track business performance and identify areas for improvement.
• Conducted ad-hoc data analysis to answer specific business questions and support decision-making processes.
• Troubleshot hardware and software issues within the organization.
• Administered email security tests, such as KnowBe4, to enhance email security and educate users on phishing threats.
• Kept up with industry trends and advancements in data analytics tools and techniques to continuously improve analytical capabilities.
• Ensured data security and compliance with relevant regulations and privacy policies.
Data Analytics Consulting Virtual Internship | KPMG Australia
Nov 2021 — Jan 2022
As a virtual intern in Data Analytics Consulting, I gained practical insights and experience in key areas of data science, including:

• Data quality analysis and analytical dashboard creation: I developed expertise in analyzing data quality and creating analytical dashboards that effectively visualize data trends and patterns.
• Data analytics, customer segmentation, and data-driven presentation: During this experience, I honed my skills in data analytics, customer segmentation, and delivering data-driven presentations to effectively communicate insights to stakeholders.
• Creating data dashboards, visualizations, and presentations: I mastered the art of creating engaging and informative data dashboards, visualizations, and presentations using popular tools such as Tableau and Power BI.

By immersing myself in these areas, I gained practical hands-on experience and enhanced my proficiency in data analytics and visualization techniques.