Dannels Okoro

Dannels Okoro

About

Detail

Kigali, Kigali City, Rwanda

Contact Dannels regarding: 
work
Full-time jobs
Starting at USD2.2K/month
Flexible work
Starting at USD13.7/hour

Timeline


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Job
school
Education
folder
Project (professional or personal)

Résumé


Jobs verified_user 0% verified
  • Platform
    Full-Stack Developer
    Platform
    Jan 2022 - Current (3 years 7 months)
    Delivered 20+ custom web applications for diverse clients across e-commerce, healthcare, and education sectors. Built a responsive e-commerce platform with payment integration processing $50K+ monthly transactions. Developed an inventory management system using React, Django, and PostgreSQL for a retail client. Created automated testing suites achieving 90%+ code coverage and reducing bugs by 60%. Implemented CI/CD pipelines using GitHub Actions and Docker for seamless deployment processes. Provided technical consultation and code reviews for startups and established businesses. Additionally, I utilized TypeScript for both frontend and backend development, enhancing code quality and maintainability. I built mobile interfaces using React Nat
  • D
    Software Engineer
    DiolioChat
    Jan 2019 - Dec 2021 (3 years)
    Developed and maintained a real-time chat application serving 10,000+ active users using React.js, Node.js, and Socket.io. Built RESTful APIs and microservices architecture resulting in 40% improved system performance. Implemented user authentication, message encryption, and file sharing features using JWT and AWS S3. Optimized database queries, reducing response time by 35% and improving overall application scalability. Collaborated with the product team to deliver 15+ feature releases using Agile methodology. Integrated third-party APIs, including payment gateways and social media authentication. Additionally, contributed to building the mobile chat application using React Native, enabling deployment on both iOS and Android platforms with
Education verified_user 0% verified
  • U
    Bachelor of Science
    University of Lay Adventist of Kigali
    Jan 2017 - Jun 2019 (2 years 6 months)
  • U
    Bachelors in computing and information scineces
    University of Lay Adventist of Kigali
    Jan 2017 - Jun 2019 (2 years 6 months)
Projects (professional or personal) verified_user 0% verified
  • Freelance Latin America
    API Gateway Service
    Freelance Latin America
    Feb 2025 - May 2025 (4 months)
    - Developed a microservices architecture with a centralized API gateway to support multiple client applications. - Implemented rate limiting, authentication, and logging middleware to enhance security and performance. - Achieved a 50% reduction in API response time through efficient caching strategies. - Additionally, utilized React Native to create a lightweight mobile admin panel, enabling clients to monitor and manage API activity directly from their mobile devices. This interface connected securely to the backend API Gateway, providing real-time logs and analytics, and ensured a smooth user experience across both Android and iOS platforms with a single codebase.
  • E
    E-Commerce Platform
    Feb 2023
    Developed a full-stack e-commerce solution featuring user authentication, a comprehensive product catalog, a shopping cart, and secure payment processing. Implemented an admin dashboard for efficient inventory management and order tracking. Deployed the platform on AWS, ensuring auto-scaling capabilities to handle over 1000 concurrent users. Additionally, utilized React Native to create a mobile shopping application, enhancing customer experience with seamless product browsing, cart management, and secure checkout on both Android and iOS devices. This approach facilitated rapid development and ensured a consistent UI/UX across platforms.
  • N
    Task Management Application
    Nyereka tech
    Jan 2023 - Jan 2025 (2 years 1 month)
    Developed a real-time collaborative task management tool featuring drag-and-drop functionality, integrated email notifications, and calendar synchronization capabilities. Achieved a 95% user satisfaction score through an intuitive UI/UX design. Utilized TypeScript throughout the codebase to ensure type safety and maintainable code across both the frontend and backend. Leveraged AWS services, including AWS Lambda for serverless backend functions and Amazon DynamoDB as the main NoSQL database for storing user data, tasks, and real-time updates. Implemented the API layer using GraphQL, allowing for flexible and efficient querying of task data, which significantly improved frontend performance and contributed to building a scalable and modern t