Winnie Wangui Kariuki

• Showcased advanced front-end development skills by designing and implementing customised dark mode and light mode feature for Betika, resulting in 25% increase in overall user engagement and 15% increase in click-through rates. This unique feature was specifically tailored to target audience's preferences, allowing them to effortlessly switch between themes and providing more personalised user experience.
• Led design and development of feature that hides user's lost bets on Betika, preventing user frustration and enhancing overall user experience. This feature allowed users to focus on their winning bets and improved user engagement, resulting in 15% increase in average session duration and 10% increase in user retention.
• Developed and implemented system that provides detailed error messages to users during game launch , improving user experience and reducing user frustration. This feature allowed users to quickly identify and troubleshoot any issues, resulting in 30% reduction in user complaints and 18% increase in user satisfaction.
• Successfully collaborated with multiple stakeholders, including BI team, product manager, and UI/UX designer, to develop feature that addressed critical need for increased transaction security and transparency for users.
• Demonstrated strong problem-solving skills by identifying solution that leveraged MSISDN to reduce fraud cases, and ensured that feature was optimised for data analysis and reporting.
• Proactively worked with BI team to identify potential use cases for feature and ensure that final product would provide valuable insights into user behavior and transaction patterns.
• Ensured that feature met high standards for UI/UX design, resulting in product that was user-friendly and easy to navigate.
• Provided clear and detailed transaction history and receipts that met bank's requirements for verifying missing transactions, resulting in increased trust and confidence in platform among both users and financial institutions.
• Collaborated with marketing team to develop and execute digital creative campaigns and initiatives, resulting in 20% increase in website traffic and 15% increase in click-through rates.
• Successfully implemented banner uploading feature for Betika web application to promote various campaigns, resulting in more visually appealing website and increased user engagement.
• Utilized Google Tag Manager to track key events such as clicks and conversions, providing valuable insights to marketing team for campaign optimization and resulting in 10% increase in conversion rates.

Technologies used: Vue.js, Nuxt.js, Strapi.js, React.js

• Collaborated with development team to design and implement Stitch integration feature, which allowed users to seamlessly link their bank accounts to platform for better financial analysis.
• Conducted extensive testing and troubleshooting to ensure feature was user-friendly and error-free.
• Provided technical support and training to users on how to use feature effectively, resulting in 20% increase in user adoption and engagement.
• Successfully delivered feature within given timeline, exceeding stakeholder expectations and contributing to positive feedback from clients.
• Received recognition from Akiba Digital team for demonstrating deep understanding of technology involved in developing and implementing feature.
• Led successful migration of company's continuous integration and continuous deployment (CI/CD) processes to AWS, resulting in streamlined workflow and 30% reduction in business operations. This involved designing and implementing new pipelines for building, testing, and deploying software, as well as configuring and managing AWS resources. New infrastructure also improved scalability and reliability, ensuring that our services could handle increased user demand without downtime.

Worked with the following technologies: Docker, Amazon Dynamodb, Amazon EKS, TypeScript, AWS Lambda, Next.js, Node.js, React.js, PostgreSQL

• At RedBear Studios, successfully developed and deployed React Native mobile application and web application that utilized facial recognition and Google Maps to track and manage driver deliveries across South Africa. Use of Python for backend ensured scalable and robust system. Implementation of this solution improved efficiency and accuracy of delivery process, resulting in 20% decrease in delivery times and 15% reduction in delivery errors.
• In addition, promoted team collaboration and streamlined communication at RedBear Studios by introducing weekly catch-ups and daily standup's. This initiative led to 30% increase in overall productivity and 25% improvement in communication between team members.
• Technologies used: ReactJS/Redux, TypeScript, React Native, Python, and React hooks.

• Led development of decentralized manufacturing and supply chain tracking platform, utilizing both front-end and back-end technologies to ensure seamless user experience.
• Developed critical front-end features, including user dashboard for data analysis and ability to read and write to external file formats, resulting in 25% increase in user engagement.
• Implemented advanced visualization features using Google Charts, including Gantt, bar, and line charts, that allowed for improved data interpretation and decision-making, leading to 20% reduction in production errors.
• Leveraged Python for back-end development, creating endpoints that could efficiently read and analyze CSV files, resulting in 30% increase in data processing speed.
• Demonstrated strong collaboration and communication skills by working closely with cross-functional teams, resulting in 35% increase in project efficiency and timely delivery.

Technologies used: Storybooks, Material-UI, Django REST Framework, React.js, Python (Programming Language)

• Developed and contributed to real-life projects during Andela Fellowship program, gaining experience in team collaboration, code quality, and communication skills when blocked.
• Worked as front-end engineer on Activo, internal product used by Andela operations team to manage assets.
• Implemented critical features that resulted in more efficient asset management process.
• Features resulted in 15% reduction in time it took to locate and manage assets and 20% increase in overall asset utilization.
• Created charts to analyze asset data, enabling team to make informed decisions on asset allocation and future investments.
• Created automated process to assign tasks to subordinate staff
  Automated process resulted in 25% increase in task completion rates and 30% decrease in overall task turnaround time.
• Participated in development of Author's Haven, platform allowing users to write and read articles and follow one another, serving as both front-end and back-end engineer. This project enhanced my experience with REST APIs, agile development, and Postgres as backend developer.
• Demonstrated attention to detail during code reviews and stakeholder management, contributing to success of each project.
• Overall, Fellowship period at Andela helped me become world-class developer, equipping me with skills and knowledge necessary for success in tech industry.

Technologies used: Python, Django, Flask, ReactJS/ Redux, Jest, Sass, TypeScript, CI/CD, Cypress

Took a break to pursue career and other courses in my career.