D

Dennis Mwangi Wanjiku

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Nairobi County, Kenya
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Starting at USD900/month
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Résumé

Jobs verified_user 0% verified
  • B
    Software Engineer
    Bityarn Consult
    Jan 2025
    Developed and shipped production-ready features using TypeScript and modern web frameworks, serving 50 daily active users. Integrated artificial intelligence and machine learning capabilities into core product features, improving prediction accuracy by 76%. Contributed to shared tools and documentation, increasing team efficiency and knowledge transfer across engineering organization. Participated in agile ceremonies including daily standups, sprint planning, and retrospectives to maintain high velocity delivery. Implemented monitoring and logging solutions to track application performance, uptime, and user behavior. Worked with data warehouse and analytics tools to derive insights from user feedback and behavior patterns. Collaborated with
  • D
    Senior Software Engineer
    Dream Construct
    Oct 2024 - Current (2 years 1 month)
    As a Senior Software Engineer, I architected and delivered major end-to-end product features impacting over 10,000 users, resulting in a 62% improvement in user engagement and a 47% increase in revenue. I drove technical strategy and led deep-dive discussions on system design, scalability, and performance optimization across multiple product domains. I owned the complete feature lifecycle from requirements gathering through production deployment, including writing maintainable code, comprehensive testing, and monitoring. My commitment to elevating code quality was demonstrated through rigorous code reviews, which improved team processes, increased test coverage from 3% to about 16%, and reduced bug count by 39%. I collaborated with Product,
  • K
    AI Engineer at Kims Enterprises
    Kims Enterprises
    Mar 2024 - Current (2 years 8 months)
    Worked on the design and implementation of AI-driven solutions to support business operations. Responsibilities included developing and testing machine learning models, processing and analyzing data, and integrating AI components into existing systems. The role involved collaborating with cross-functional teams to improve automation, decision-making, and system efficiency while ensuring solutions were practical and reliable.
Education verified_user 0% verified
  • I
    IBM AI course
    Sep 2025 - Current (1 year 2 months)
  • Strathmore University
    BSc. In Informatics and Computer Science
    Strathmore University
    Jul 2022 - Current (4 years 4 months)
    Relevant Coursework: Artificial Intelligence, Machine Learning, Software Engineering, Data Structures & Algorithms, Database Systems, Web Development
  • C
    Cloud Platform Certification – AWS Cloud Practitioner
    Mar 2025 - Oct 2025 (8 months)
Projects (professional or personal) verified_user 0% verified
  • A
    AI-Powered Personal Finance Assistant
    Nov 2025 - Current (1 year)
    Suggests personalized budgeting tips, detects unusual spending patterns, and predicts upcoming expenses using transaction data.
  • T
    Task Management System
    Sep 2025 - Nov 2025 (3 months)
    Developed a task management system to help users create, assign, track, and manage tasks efficiently. The system supports task prioritization, status updates, and deadlines, enabling better organization and workflow management. This project strengthened my skills in system design, database management, and building user-friendly interfaces.
  • AI Solutions
    EduFace System
    AI Solutions
    Sep 2025
    Architected and developed an AI-powered Facial recognition system using TypeScript and Siamese Neural Architecture. Improved Accuracy of model by 19% through intelligent automation and predictive algorithms from its previous accuracy of 76% to 95% accuracy. Integrated with existing product infrastructure while maintaining 67% uptime and performance standards.
  • A
    Ai powered Transformer Chatbot for Job Application Website
    Jun 2025 - Current (1 year 5 months)
    Developed an AI-powered chatbot integrated into a job application website to assist candidates during the application process. The chatbot answers frequently asked questions, guides users through form completion, and provides basic application status information. This improved user experience by reducing confusion and response time while demonstrating practical chatbot and AI integration skills.
  • J
    Job Application System
    May 2025 - Aug 2025 (4 months)
    - Developed a comprehensive job application system that enables applicants to submit applications and track their status, while providing employers with tools to review, manage, and shortlist candidates. The system emphasizes structured data handling, form validation, and process automation, significantly enhancing the efficiency and transparency of recruitment workflows. - Additionally, built a cross-platform application using Flutter to manage job applications, implementing interactive forms and real-time status updates to improve user engagement. Integrated REST APIs for seamless backend communication and optimized the user interface for a mobile-first experience, ensuring smooth and intuitive application workflows.
  • R
    Recommendation Engine for Content or Products
    Mar 2025
    Created a recommendation system that suggests relevant content or products based on user behavior and preferences. The system analyzes interaction history to deliver personalized recommendations, improving engagement and retention. Emphasis was placed on performance, scalability, and clear feedback loops.
  • A
    AI-Powered Job Matching Platform
    Feb 2025
    Matches candidates to job openings using NLP and machine learning based on resumes and job descriptions. it includes features such as Resume parsing, ranking algorithm, dashboard for HR, candidate feedback loop.
  • A
    Ai news aggregator
    Jan 2025
    I developed a news aggregator application that collects news articles from multiple online sources and presents them in one centralized platform. The system fetches data using public news APIs/RSS feeds, organizes articles by category, and allows users to easily browse current and relevant news. Through this project, I gained practical experience in API integration, data handling, and building user-friendly interfaces.
  • J
    JnCrafts
    JnCrafts
    Dec 2024 - Oct 2025 (11 months)
    JN Crafts is a creative design brand offering customized digital and visual solutions, focusing on quality, creativity, and client-centered design. In this role, I honed my skills in communication, problem-solving, and project execution. Additionally, I utilized TypeScript to develop dynamic and interactive web components, leveraging modern JavaScript frameworks to enhance our digital offerings. By implementing type-safe modules, I improved code maintainability and significantly reduced runtime errors. I also built reusable components and integrated third-party APIs, which enhanced site functionality and improved user experience and page responsiveness, aligning with our commitment to delivering exceptional design solutions.
  • C
    Customer Support Ticket Classification & Routing Tool
    Nov 2024 - Jan 2025 (3 months)
    Developed an AI system that classifies customer support tickets by topic, urgency, and sentiment, and routes them to the appropriate team automatically. The tool reduces manual sorting and improves response time by prioritizing high-impact issues. It was designed to integrate easily with existing support workflows.
  • D
    Dream Construct
    Sep 2024 - Current (2 years 2 months)
    - Designed and implemented a scalable construction management system capable of handling over 100 requests per second, ensuring high performance and reliability.
    - Optimized Core Web Vitals, resulting in an 85% improvement in page load times and overall user experience.
    - Achieved 78% test coverage and maintained zero critical production bugs over a span of 10 months, demonstrating a commitment to quality and stability.
    - Contributed to the development of Flutter-based mobile solutions at Dream Construct, focusing on creating reusable widgets and responsive UI components, which enhanced app maintainability.
    - Integrated external services and improved performance through a modular Flutter architecture and code optimiz
  • I
    Intelligent Resume Screening & Ranking System
    May 2024 - Jul 2025 (1 year 3 months)
    - Built an AI-based resume screening system that automatically analyzes CVs and ranks candidates based on job requirements. The system uses text processing to extract key skills, experience, and education, then scores applicants to support faster and more consistent hiring decisions. This project focused on turning AI outputs into explainable, actionable results for recruiters. - Designed and implemented a Nuxt.js-based web application for automated resume screening and candidate ranking, utilizing server-side rendering to enhance SEO and application performance. - Developed interactive dashboards for recruiters using Vue/Nuxt components and integrated APIs for real-time candidate evaluation, showcasing comprehensive full-stack AI product d
  • S
    Smart E-commerce Recommendation Engine
    Dec 2023 - Dec 2025 (2 years 1 month)
    As a Smart E-commerce Recommendation Engine developer, I focused on providing personalized product suggestions based on user behavior, past purchases, and preferences. The system utilized collaborative filtering and content-based filtering, ensuring real-time updates and an analytics dashboard for performance tracking. Additionally, I developed a Nuxt.js frontend, implementing server-rendered pages, dynamic routing, and state management to enhance the delivery of personalized product recommendations. By integrating RESTful APIs with the backend AI recommendation system, I significantly improved user engagement and conversion rates, aligning with our goal of optimizing the shopping experience.
  • S
    Smart Customer Feedback Analyzer
    Oct 2023 - Dec 2025 (2 years 3 months)
    Collects and analyzes customer reviews or survey responses to identify sentiment, trends, and urgent issues.
  • D
    Drug dispenser tool
    Jun 2019 - Aug 2020 (1 year 3 months)
  • D
    Drug dispenser tool
    Jun 2019 - Aug 2020 (1 year 3 months)
  • F
    Farmer tasking system
    May 2016 - Aug 2019 (3 years 4 months)
    I built a task management system for farmers to segment and organize their tasks and work in the farm
  • F
    Farmer tasking system
    May 2016 - Aug 2019 (3 years 4 months)
    I built a task management system for farmers to segment and organize their tasks and work in the farm