Joyce Waruguru

Experience

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  System Reengineered Ltd

  Aug 2019 - Jan 2020

  Software Developer Internship

  ◦ System development using C#: Web-based anddesktop- based applications using ASP.NET MVCand C#, SQL database, Reporting in ASP.NET MVC,SOAP and REST web services◦ Implementing objects using tables, pages, reports,code units and queries◦ System integration; PayPal and Mpesa in C# andDynamic NAV

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  Eclectics Intl.

  Mar 2021 - Aug 2021

  Intern Software Developer

  Responsible for playing a key role in the designing,building, maintaining and testing of back-end basedapplications.◦ APIs design and Development◦ Database creation, integration and management.◦ Making suggestions on how to improve current backend applications.◦ Third-party services mostly. (Cloud AWS,Authentication using google, Payment providers likePayPal)◦ Back-up and restore technologies for a website’s fileand DB.◦ Content management system development,deployment and maintenance.◦ Webserver technologies. (Apache and Tomcat)◦ Improving existing scripts.◦ MongoDBIT Methodologies◦ Agile◦ Test Driven Development◦ Lean Software Development◦ Behavior Driven Development Show less

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  Microsoft Leap Hackathon

  Jun 2021 - Jun 2021

  Software Developer

  Responsibilities:Implementing Deep Learning Based plant diseaseRecognition. A website uses a CNN to predict thedisease on a plant leaf. Our trained model consist of 38 classes of different healthy and diseased plant leaves.

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  Women techsters

  Jul 2021 - Jul 2021

  Software Developer

  Data science Hackathon for women

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  Andela

  Oct 2021 - now

  Microservice Developer

  Engineered Spring Boot Microservices, integrating them seamlessly with Restful and SOAP protocols.• Enhanced the efficiency of high-volume services by implementing Redis caching and conducting extensive code refactoring, leading to substantial reductions in cloud resource expenses.• Implemented automated monitoring round the clock using Dynatrace, Grafana, and Splunk, ensuring proactive detection and resolution of issues.• Embraced agile methodologies, meticulously documenting all processes on Confluence and Jira, while architecting a robust CI/CD pipeline for streamlined deployments. Show less

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  Safaricom PLC

  Nov 2021 - now

  • Enhanced customer satisfaction by 20% through performance analysis and refinement of cloud services, focusing on improving experiences for entry-to-mid-tier Android devices globally.• Developed Spring Boot Microservices using RESTful and SOAP integrations, improving application scalability and performance.• Migrated on-premise microservices to Elastic Kubernetes Service (EKS) to increase availability, resulting in a 25% reduction in downtime.• Boosted performance of high traffic service with Redis cache, improving response times by 40%.• Cut costs on cloud resource usage by refactoring code to leverage reactive programming, saving 30% on cloud infrastructure expenses.• Cleaned codebase by centralizing logging and exception handling with Aspect-Oriented Programming, reducing maintenance efforts by 20%.• Reduced development time and cost by adopting an API-first approach with OpenAPI Specification (OAS), streamlining development processes by 25%. Show less

  • DevOps Engineer

    Jan 2023 - now

  • Software Engineer

    Nov 2021 - Jan 2023