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I am a highly skilled Full Stack Developer with over 15 years of experience in designing, developing, and maintaining web applications, proficient in both front-end and back-end technologies along with strong database and server-side expertise. I am passionate about writing clean, maintainable code and continuously staying updated with the latest technologies. Additionally, I am a results-driven Cloud Engineer with more than 5 years of experience in designing, implementing, and optimizing cloud infrastructure solutions, specializing in AWS and Azure with a strong focus on automation, CI/CD pipelines, and security best practices. I strive to build scalable, secure, and cost-effective cloud environments that meet business needs. I enjoy collaborating with cross-functional teams to deliver efficient and robust applications that provide real value to users and stakeholders.…I am a highly skilled Full Stack Developer with over 15 years of experience in designing, developing, and maintaining web applications, proficient in both front-end and back-end technologies along with strong database and server-side expertise. I am passionate about writing clean, maintainable code and continuously staying updated with the latest technologies. Additionally, I am a results-driven Cloud Engineer with more than 5 years of experience in designing, implementing, and optimizing cloud infrastructure solutions, specializing in AWS and Azure with a strong focus on automation, CI/CD pipelines, and security best practices. I strive to build scalable, secure, and cost-effective cloud environments that meet business needs. I enjoy collaborating with cross-functional teams to deliver efficient and robust applications that provide real value to users and stakeholders.

Rudolph R De Arco

Full Stack Developer, Cloud Developer, DevOps Developer

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I am a highly skilled Full Stack Developer with over 15 years of experience in designing, developing, and maintaining web applications, proficient in both front-end and back-end technologies along with strong database and server-side expertise. I am passionate about writing clean, maintainable code and continuously staying updated with the latest technologies. Additionally, I am a results-driven Cloud Engineer with more than 5 years of experience in designing, implementing, and optimizing cloud infrastructure solutions, specializing in AWS and Azure with a strong focus on automation, CI/CD pipelines, and security best practices. I strive to build scalable, secure, and cost-effective cloud environments that meet business needs. I enjoy collaborating with cross-functional teams to deliver efficient and robust applications that provide real value to users and stakeholders.…I am a highly skilled Full Stack Developer with over 15 years of experience in designing, developing, and maintaining web applications, proficient in both front-end and back-end technologies along with strong database and server-side expertise. I am passionate about writing clean, maintainable code and continuously staying updated with the latest technologies. Additionally, I am a results-driven Cloud Engineer with more than 5 years of experience in designing, implementing, and optimizing cloud infrastructure solutions, specializing in AWS and Azure with a strong focus on automation, CI/CD pipelines, and security best practices. I strive to build scalable, secure, and cost-effective cloud environments that meet business needs. I enjoy collaborating with cross-functional teams to deliver efficient and robust applications that provide real value to users and stakeholders.

Available to hire

I am a highly skilled Full Stack Developer with over 15 years of experience in designing, developing, and maintaining web applications, proficient in both front-end and back-end technologies along with strong database and server-side expertise. I am passionate about writing clean, maintainable code and continuously staying updated with the latest technologies. Additionally, I am a results-driven Cloud Engineer with more than 5 years of experience in designing, implementing, and optimizing cloud infrastructure solutions, specializing in AWS and Azure with a strong focus on automation, CI/CD pipelines, and security best practices. I strive to build scalable, secure, and cost-effective cloud environments that meet business needs. I enjoy collaborating with cross-functional teams to deliver efficient and robust applications that provide real value to users and stakeholders.

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Work Experience

Cloud Engineer/Senior Full Stack Developer at Optum Serve

March 1, 2025 - Present

Led modernization initiative migrating legacy applications to cloud-optimized ReactJS with Redux Toolkit and Harmony UI for enhanced UX consistency. Utilized AI-powered tools like Cursor and Claude to speed coding and refactoring, improving delivery velocity and reducing technical debt. Designed a modular front-end/backend architecture enabling scalable deployments on AWS cloud. Rebuilt data dashboards using ReactJS and integrated advanced graph visualizations with Re:Graph. Redesigned backend with AWS API Gateway and Lambda for latency reduction and cost savings. Integrated dual-LLM AI chatbots (OpenAI and Claude) via LangChain and Amazon Bedrock to deliver intelligent, compliant interactions for federal health platforms.

Cloud Engineer/Solutions Architect at Tech9

March 1, 2025 - August 18, 2025

Architected and implemented cloud-based solutions for various clients using MERN and .NET Core stacks hosted on AWS leveraging Serverless technologies, CloudFront, S3, API Gateway, Lambda, Step Functions, and Terraform. Led development of telecom network trading platform APIs migrating from Java to Node.js integrated with Aurora MySQL and Elasticsearch. Developed healthcare call log solution integrated with Twilio and AWS streaming architecture. Automated CI/CD with GitHub workflows and managed infrastructure as code through Terraform and CloudFormation.

Cloud Engineer/Solutions Architect at Brillio LLC

June 1, 2023 - August 18, 2025

Supported serverless migration projects for healthcare clients using AWS Lambda, API Gateway, DynamoDB, and CloudFormation. Developed multi-stack applications including MERN and MEAN with Next.js, Node.js, JavaScript/TypeScript, and integrated Adobe Analytics. Built consent and partner portal applications with Material UI, Redux/Thunk, and Angular Material. Enhanced DevOps teams by implementing CI/CD pipelines using GitLab Runner and Terraform and ensured code quality through rigorous reviews and Agile methodologies.

Full Stack Developer at VMware LLC

November 1, 2021 - August 18, 2025

Developed MEAN stack projects including Project DICE with advanced analytics and visualization using D3, Kendo Charts, and Highcharts. Streamlined CI/CD processes with GitHub Actions. Worked on integration with VMware Value Modeler to optimize sales pipeline growth via AWS services including Kubernetes. Focused on data modeling, analytics, and delivering customer insights for business transformation.

Full Stack Developer at Esri

July 1, 2017 - August 18, 2025

Developed and maintained web applications related to Esri's training platform using MEAN stack and .Net with AngularJS, TypeScript, and AWS hosting. Delivered Learning Objectives Library and CSReview platform with API communication and workflow tools. Applied Agile SCRUM methodology in fast-paced environment focused on GIS software training and support.

LAMP/MEAN Stack Developer at High Impact Media LLC

March 1, 2017 - August 18, 2025

Contributed to ReactX digital ad platform development built on LAMP and MEAN stacks with AWS cloud infrastructure. Technologies included Angular.js, Node.js, MongoDB, MySQL, and GoLang supporting high-impact, cross-device advertising at scale.

Senior Web Developer at UCLA

May 1, 2015 - August 18, 2025

Developed BruinCard application integrating multiple campus services using LAMP stack technologies including PHP, CakePHP, Oracle, AJAX, Angular.js, and Bootstrap for a multi-purpose campus ID and payment system.

Senior Web Developer at Yellowbird Publishing LLC

September 1, 2014 - August 18, 2025

Built niche website site builder tool allowing users to customize and publish websites easily using LAMP stack technologies and proprietary tools. Developed and supported multiple educational and marketing websites using PHP, MySQL, CakePHP, CodeIgniter, AJAX, and AWS infrastructure. Automated critical tasks integrating email marketing platforms and streamlined hosting and deployment.

Senior Web Developer at Hot Topic

June 1, 2010 - August 18, 2025

Developed administration tools for music ingestion and management using PHP and ASP.Net with MySQL and MSSQL backends. Optimized backend processes to cut update times significantly. Participated in backend and supplemental development of major retail websites and systems supporting music and product data management for a large specialty retailer.

Senior Web Developer at The Right Start

December 1, 2005 - August 18, 2025

Led technical design, development, and delivery of mission-critical juvenile product retail website and integrated solutions, redeveloping the site with ASP.Net, C#, AJAX, CSS, and MS SQL backend. Integrated payment and gift card technologies supporting business operations.