Josiah Six

As a Full Stack Software Engineer, I am dedicated to developing cutting-edge web and mobile applications aimed at enhancing user experiences and operational efficiencies. My expertise lies in both frontend and backend development using advanced tools such as SvelteKit, Next.js, React, Node.js, and Express.

At Innovative

Development, LLC, I have successfully integrated APIs and leveraged platforms like Firebase and Supabase to ensure optimal performance and seamless cross-platform integration. In my former position at Mighty Networks, I effectively minimized bugs and enhanced data access by utilizing Laravel and Angular. On Upwork, I have designed and implemented scalable solutions, including the development of CI/CD pipelines with Jenkins and Ansible.

I hold a Computer Science degree from Mount Vernon Nazarene University, and excel in collaboration and the pursuit of continuous improvement.

Innovative Development, LLC • Harleysville, PA • 06/2021 - Present

Full Stack Software Engineer

• Migrated legacy frontend applications to SvelteKit, integrating third-party APIs (e.g., REST, GraphQL) and tools like Firebase and Supabase while implementing Progressive Web App (PWA) features to reduce bundle sizes, optimize load times, and enable offline cross-platform compatibility.
• Utilized Next 15, Reactive forms alongside the Form Builder for creating sophisticated forms with integrated validation, while enhancing the user interface through Next Material components.
• Published the travel booking web site using Svelte.js, Material, Bootstrap, jQuery, SSR for front-end and Node.js, PostgreSQL, Restful API for back-end, AWS S3 services and CI/CD management.
• Partnered with 4 business team members to define technical requirements, and engineered a marketplace application using Next.js, Node.js, Express, and MongoDB.
• Automated the generation of the API endpoint documentation based on the JSON Schema models, reducing manual documentation effort.

Mighty Networks • Palo Alto, CA • 05/2020 - 06/2021

Backend Developer • Internship

• Designed and developed dynamic web applications using Laravel for the backend and Angular for the frontend, ensuring seamless performance and user experience, while implementing unit and end-to-end testing with tools like PHPUnit and Jasmine/Karma, achieving a 20% reduction in bugs post-launch.
• Refactored Laravel/PHP code, reducing bugs, enhancing reusability by 50%, and adapting it to support 3 new data visualization interfaces, improving data accessibility for 2000+ users than original.
• Leveraged AWS services including EC2, S3 and the Comprehend API for project infrastructure and functionalities.
• Optimized database queries on SQL Server, reducing data retrieval times by 40% and supporting business analytics.
• Used Facebook Graph API and Messenger API to send automated messages to customers, and used Active Admin for the admin panel.

Upwork • Ohio, US • 01/2019 - 05/2020

Full Stack Developer • Freelancer

• Optimized app performance by reducing load times by 30% and enhancing memory usage through effective debugging and code refactoring, while implementing in-app purchase systems and push notifications to boost user engagement and drive revenue growth.
• Architected and implemented a scalable Flutter Core solution for a enhancive Mobile application, boosting users by 7%.
• Engineered a backend Restful API system using Node.js and Express.js, enhancing data processing speed by 25% and reducing server response time by 10%, resulting in improved user experience.
• Devised a financial auditing system for Stripe payments using Laravel 5.0, facilitating client payment reconciliation between the application database and Stripe REST API.
• Created robust CI/CD pipelines using Jenkins and Ansible, automating deployments which decreased manual intervention by 40%.

Bachelor in Computer Science

Mount Vernon Nazarene University • Mt Vernon, OH • 09/2017 - 08/2021