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@johnbriannguginjugun
Results-driven Senior Software Developer and AWS Solutions Architect.
I am a results-driven Software Developer and AWS Solutions Architect with over 5 years of experience in designing, developing, and deploying enterprise applications. My expertise lies in leading teams, optimizing cloud solutions, and enhancing system performance. I have a proven track record of delivering scalable, high-quality solutions that have achieved efficiency improvements of over 40%.
Throughout my career, I have honed my skills in various technologies including .NET, AWS, Angular, and DevOps automation. I am passionate about innovation and continuous learning, and I take pride in mentoring others in the field. My recent roles have involved leading development teams, automating CI/CD pipelines, and implementing cloud solutions that significantly reduce operational overhead and improve performance.
Sign up now and join over 100,000 remote workers who receive personalized job alerts, curated job matches, and more for free!

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Work history, roles, and key accomplishments
Clearstar- Griffin Global
Sep 2023 - Present (2 years 2 months)
Led development for ASP.NET Core MVC and legacy WebForms applications, improving application performance by 30%. Optimized SQL Server queries, reducing database response times by 40%. Automated CI/CD pipelines with Jenkins, AWS, and Azure, cutting deployment time by 50%.
THH - Griffin Global
Nov 2022 - Sep 2023 (10 months)
Led a team of 4 developers, delivering an internal tool tracking 500+ projects across THH Holding Companies. Enhanced system performance by 35% using C#, .NET, Entity Framework, SQL Server, and Azure. Implemented Azure DevOps pipelines and Terraform, reducing deployment errors by 40%.
SMK Tri-Cities - Griffin Global
Jul 2022 - Jul 2022 (0 months)
Designed a serverless AWS solution to synchronize Intacct and Procore, reducing manual data entry by 60%. Implemented AWS CloudWatch monitoring, decreasing system downtime by 25%. Re-architected AWS CDK stacks, reducing infrastructure complexity by 30%.
4Cloud Services - Griffin Global
Jan 2022 - Jun 2022 (5 months)
Developed a ticketing system integrating with ServiceDesk and Jira, resolving 90% of tickets within SLA. Built scalable React, Angular, and Node.js applications deployed in AWS with PostgreSQL & Docker. Enhanced customer support efficiency by 45%.
4Cloud Services - Griffin Global
Oct 2021 - Jan 2022 (3 months)
Built scalable React, Angular, and Node.js applications, improving system scalability by 3x and reducing latency by 25% through optimized AWS and PostgreSQL integration. Containerized applications with Docker, reducing deployment time by 60%.
Magereza Sacco
May 2021 - Jul 2021 (2 months)
Developed features for Microsoft Navision & ASP.NET MVC, improving loan system processing by 25%. Automated manual tasks with Python scripts, increasing productivity by 30%.
Degrees, certifications, and relevant coursework
Bachelor of Science, Computer Science
2017 - 2021
Activities and societies: Tech Lead - CodeVar Students Community, Chuka University (2018-2021); Mentor - African TechGirl Community, Nairobi, Kenya (2022-2023); Mentor - Microsoft Peer to Peer Mentorship, Nairobi (2022-2023)
Bachelor of Science in Computer Science, focusing on software development, algorithms, and data structures, which provided a solid foundation for a career in technology.
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