I am a highly skilled Full-Stack Developer and DevOps Engineer with extensive experience in building scalable, high-performance applications and deploying them in production environments. I specialize in frontend technologies like React and Vue.js and backend technologies including Node.js, Ruby on Rails, and Python, creating seamless user experiences with robust server-side functionality. As a DevOps Engineer, I excel in implementing CI/CD pipelines, containerization with Docker, and orchestration using Kubernetes to automate and streamline deployments. I am passionate about maintaining efficient development workflows and delivering end-to-end solutions integrating frontend and backend technologies with best practices in continuous integration and deployment.

David Wen

I am a highly skilled Full-Stack Developer and DevOps Engineer with extensive experience in building scalable, high-performance applications and deploying them in production environments. I specialize in frontend technologies like React and Vue.js and backend technologies including Node.js, Ruby on Rails, and Python, creating seamless user experiences with robust server-side functionality. As a DevOps Engineer, I excel in implementing CI/CD pipelines, containerization with Docker, and orchestration using Kubernetes to automate and streamline deployments. I am passionate about maintaining efficient development workflows and delivering end-to-end solutions integrating frontend and backend technologies with best practices in continuous integration and deployment.

Available to hire

I am a highly skilled Full-Stack Developer and DevOps Engineer with extensive experience in building scalable, high-performance applications and deploying them in production environments. I specialize in frontend technologies like React and Vue.js and backend technologies including Node.js, Ruby on Rails, and Python, creating seamless user experiences with robust server-side functionality.

As a DevOps Engineer, I excel in implementing CI/CD pipelines, containerization with Docker, and orchestration using Kubernetes to automate and streamline deployments. I am passionate about maintaining efficient development workflows and delivering end-to-end solutions integrating frontend and backend technologies with best practices in continuous integration and deployment.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Full stack Developer || Devops Engineer at Shakewell Agency US
December 31, 2024 - July 14, 2025
Managed large, complex design projects for corporate clients in collaboration with senior developers. Developed project concepts, maintained optimal workflow, and participated in feasibility analysis, estimation, requirement analysis, software development, code walkthrough, and integration testing. Contributed software engineering expertise throughout the software lifecycle from requirements definition to deployment. Developed highly responsive user interface components using React. Troubleshot and debugged application codes, improving functionality and performance by 50%. Monitored and enhanced performance by 15%, documented application changes, and optimized components for maximum performance across various devices and browsers.
DevOps Engineer at Old.St Labs US
November 30, 2022 - July 14, 2025
Configured AWS Identity and Access Management (IAM) Groups and Users to improve login authentication. Provided detailed policies to groups using policy generators and assigned permissions with Amazon Resource Names (ARN). Upgraded and migrated Chef Server and Cookbooks, maintained automated environments with Chef recipes and cookbooks, configured Apache webserver using Puppet automation, and managed S3 versioning and lifecycle policies. Utilized CloudWatch to monitor AWS resources such as EC2 instances to design high availability applications across availability zones. Gained extensive knowledge in writing and deploying Puppet modules.
Full stack Engineer at Kaisa Consulting Company, Philippines
March 31, 2019 - July 14, 2025
Worked on full-stack development of customer-facing applications using Node.js, React, and MongoDB, ensuring smooth front-end and back-end integration. Collaborated with cross-functional teams in an agile setting, improving customer satisfaction and retention by 15%. Implemented and maintained OAuth and JWT-based authentication systems for session security. Conducted performance optimizations on both server and client sides, reducing page load time by 30% and enhancing app responsiveness.
Junior DevOps Engineer at TechSolutions PH, Philippines
April 30, 2017 - July 14, 2025
Implemented service layers on top of Cassandra using Restful API. Configured Elastic Load Balancers with EC2 Auto scaling groups and monitored distributed servers using Nagios. Managed Puppet with Git and distributed Puppet manifests. Used Chef to manage Web App Cookbooks across datacenter and multiple cloud environments, accelerating cloud adoption. Experience with configuration management tools Puppet, Chef, and Ansible modules. Created Docker containers and consoles for application lifecycle management.
Full stack Developer || Devops Engineer at Shakewell Agency US
December 31, 2024 - July 14, 2025
Work with senior developers to manage large, complex design projects for corporate clients. Develop project concepts, maintain optimal workflow, and participate in feasibility analysis, estimation, requirement analysis, requirements elicitation, software development, code walkthrough and integration testing. Contribute software engineering expertise in the development of products through the software lifecycle, from requirements definition through successful deployment. Identify web-based user interactions and develop highly responsive user interface components via React concepts. Troubleshoot interface software and debug application codes to improve functionality and performance by 50%. Monitor and improve performance by 15% and document application changes and work on updates. Optimize components for maximum performance on a wide range of web-capable devices and browsers.
DevOps Enginner at Old.St Labs US
November 30, 2022 - July 14, 2025
Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication. Provided policies to groups using policy generator and set different permissions based on the requirement along with providing ARN (Amazon Resource Name). Upgraded and migrated Chef Server and Cookbooks, Bootstrap processes. Maintained automated environment using Chef recipes and cookbooks. Configured Apache webserver in the Linux AWS Cloud environment using Puppet automation. Configured S3 versioning and lifecycle policies to backup files and archive files in Glacier. Utilized Cloud watch to monitor resources such as EC2, CPU memory, Amazon to design high availability applications on AWS across availability zones. Extensive knowledge on writing and deploying modules in puppet.
Full stack engineer at Kaisa Consulting Company, Philippines
March 31, 2019 - July 14, 2025
Worked on the full-stack development of customer-facing applications using Node.js, React, and MongoDB, ensuring smooth communication between front-end and back-end services. Collaborated closely with cross-functional teams to implement key features in an agile environment, improving customer satisfaction and retention rates by 15%. Implemented and maintained authentication systems including OAuth and JWT-based token systems, ensuring security across all user sessions. Conducted performance optimizations on both server and client sides, reducing page load time by 30% and improving the app's overall responsiveness.
Junior DevOps Engineer at TechSolutions PH, Philippines
April 30, 2017 - July 14, 2025
Implemented service layer on top of Cassandra using Restful API. Configured Elastic Load Balancers with EC2 Auto scaling groups. Configured and monitored distributed and multi-platform servers using Nagios. Experienced with Puppet installing Nginx, removing packages updating packages. Managed Puppet with GIT, distributing Puppet manifests. Chef manages Web App Cookbook using Server, Scripting, Database. Chef manages both Datacenter and multiple Cloud Environments, accelerating cloud adoption. Configuration management tools such as Puppet Chef and Chef Engine. Efficient architecture to Ansible modules plugins and API. Created Docker containers and Docker consoles for managing the application life cycle.
Full stack Developer || Devops Engineer at Shakewell Agency US
December 31, 2024 - July 14, 2025
Worked with senior developers to manage large, complex design projects for corporate clients. Developed project concepts, maintained optimal workflow, and participated in feasibility analysis, estimation, requirements elicitation, software development, code walkthrough, and integration testing. Contributed software engineering expertise throughout the software lifecycle from requirements definition through successful deployment. Identified web-based user interactions and developed highly responsive UI components using React concepts. Troubleshot interface software and debugged application codes to improve functionality and performance by 50%. Monitored and improved performance by 15%, documented application changes and worked on updates. Optimized components for maximum performance on a wide range of web-capable devices and browsers.
DevOps Engineer at Old.St Labs US
November 30, 2022 - July 14, 2025
Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication. Provided policies to groups using policy generator and set different permissions based on requirements including providing Amazon Resource Names (ARN). Upgraded and migrated Chef Server and Cookbooks, bootstrap processes. Maintained automated environment using Chef recipes and cookbooks. Configured Apache webserver in Linux AWS Cloud environment using Puppet automation. Configured S3 versioning and lifecycle policies to backup and archive files in Glacier. Utilized CloudWatch to monitor resources like EC2, CPU memory and designed high availability applications on AWS across availability zones. Extensive knowledge in writing and deploying modules in Puppet.
Full stack engineer at Kaisa Consulting Company, Philippines
March 31, 2019 - July 14, 2025
Worked on full-stack development of customer-facing applications using Node.js, React, and MongoDB, ensuring smooth communication between front-end and back-end services. Collaborated with cross-functional teams to implement key features in an agile environment, improving customer satisfaction and retention rates by 15%. Implemented and maintained authentication systems including OAuth and JWT-based token systems ensuring security across user sessions. Conducted performance optimizations on server and client sides, reducing page load time by 30% and improving app responsiveness overall.
Junior DevOps Engineer at TechSolutions PH, Philippines
April 30, 2017 - July 14, 2025
Implemented service layer on top of Cassandra using RESTful API. Configured Elastic Load Balancers with EC2 Auto scaling groups. Configured and monitored distributed multi-platform servers using Nagios. Experience with Puppet including installing Nginx, updating and removing packages. Managed Puppet with Git and distributed puppet manifests. Used Chef for managing Web App Cookbook using server, scripting, and databases. Managed both datacenter and multiple cloud environments accelerating cloud adoption. Worked with configuration management tools such as Puppet and Chef, and created Docker containers and consoles for managing application lifecycle.

Education

Diploma at GK College
January 1, 2012 - December 31, 2013
Bachelor of Science at GK College
January 1, 2013 - December 31, 2015
Diploma at GK College
January 1, 2012 - December 31, 2013
Bachelor of Science at GK College
January 1, 2013 - December 31, 2015
Diploma at GK College
January 1, 2012 - December 31, 2013
Master's Degree at GK College
January 1, 2013 - December 31, 2015
Bachelor of Science at GK College
January 1, 2013 - December 31, 2015

Qualifications

Diploma in Computer Science
January 1, 2012 - December 31, 2013
Master's Degree
January 1, 2013 - December 31, 2015
Diploma in Computer Science
January 1, 2012 - December 31, 2013
Master's Degree
January 1, 2013 - December 31, 2015

Industry Experience

Software & Internet, Financial Services, Professional Services, Media & Entertainment, Education