John Chamberlin

Experience

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  Optum

  Dec 2021 - Aug 2023

  •Led the design, development, and implementation of several enterprise-level micro-service applications for Benefit Operations, utilizing Python (Flask), and JavaScript (React + Node) technologies to deliver scalable and efficient solutions• Spearheaded the design, development, deployment, and testing of organization-wide monitoring and analytics software in an Agile environment. Leveraged Elasticsearch, JavaScript, and Python to achieve a notable 40% decrease in average service response time, enhancing system performance and reliability• Took the lead in driving a strategic shift towards a more Agile-centric and engineering excellence-focusedenvironment. Key initiatives included establishing comprehensive documentation aggregation, creating robust project boards, implementing a rigorous test suite, and developing a streamlined deployment pipeline and schedule Show less • Orchestrated the integration of secrets management and control across environments using HashiCorp Vault to bolster security measures and address vulnerabilities, aligning with our enhanced security standards. Additionally, engineered a RESTful API leveraging Python (Flask) to interact with Vault, ensuring secure access to sensitive information• Collaborated within an Agile environment to conceptualize and develop a full-stack, real-time service map. This map encompassed detailed analytics and intuitive data visualization functionalities for monitoring over 100 services within our application ecosystem. Leveraged React for front-end development and Python (Flask) for back-end implementation• Established a robust CI/CD pipeline using Jenkins to automate the intake of services and generate configuration files for Kubernetes monitoring. Leveraged Python for scripting to streamline the process. This solution facilitated the smooth onboarding of over 20 enterprise applications, enhancing deployment efficiency and scalability across the organization Show less

  • Software Engineer

    Jan 2023 - Aug 2023

  • Software Engineer Associate

    Dec 2021 - Jan 2023
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  Blue Cross Blue Shield Association

  Jun 2024 - now

  Test Data Specialist