Dann Anthony Astillero Email & Phone Number

Austin, Tx, Us

As a Senior Software Engineer at Gignology.ai, I lead the design and development of full-stack applications, collaborating closely with clients to implement scalable, efficient, and user-centric solutions. My key roles and achievements include:Accomplishments:- Implemented authentication solutions using Clerk and social login flows in a React/Vite-based project, streamlining the user onboarding process, which improved the overall user experience.- Developed a job shift clock-in system using time zone adjustments and SvelteKit, ensuring accurate tracking of employee time logs across multiple regions, enhancing operational efficiency.- Used Python to migrate MongoDB data to PostgreSQL, leveraging the relational database structure for Redash to improve data visualization and reporting capabilities.- Built and maintained custom charting tools for data reporting, introducing features such as dynamic grouping and value aggregation, improving insights into key business metrics.- Enhanced backend functionality using Express.js, MongoDB, and AWS, reducing response times and ensuring scalability for large-scale applications.- Configured and managed CI/CD pipelines using GitHub Actions to streamline deployment processes for React, Express, and Svelte applications, resulting in a 50% reduction in deployment time.- Integrated OpenAI and Claude API to automate resume parsing and generate embeddings for accurately evaluating candidate profiles in a MERN app, streamlining the hiring process and improving candidate-job matching accuracy.- Managed SSL setup and domain configuration using Nginx and AWS EC2 for secure application hosting and data transmission, improving system reliability.- Automated SQS, SNS, and S3 processes for email tracking of applicants within the application, ensuring smoother communication flow and efficient tracking of candidate interactions.

Lehi, Utah, Us

As a MERN Developer at Codev, I contributed to the implementation of software developments and changes in SaaS projects. I also played a pivotal role in developing an internal feedback system. My key roles and achievements include:Accomplishments:- Implemented authentication systems using Auth0 and NextAuth/OAuth, enhancing security and streamlining user login processes, resulting in a 20% increase in user retention and a 25% improvement in user satisfaction.- Developed push notifications with Firebase Cloud Messaging, increasing user engagement and timely updates about events and job applications.- Built comprehensive user perspectives for various applications using TypeScript, React Native (Expo and React Native CLI), React.js, and the MERN stack, including features such as event management, job applications, venue browsing, survey management, and project/task management, improving user convenience and administrative functionality.- Utilized Express.js, MongoDB, Docker, and Node.js for backend services, enhancing performance and scalability, and achieving substantial reductions in response times.- Configured CI/CD pipelines using CodeMagic CI/CD, GitHub Actions, TestFairy, and TestFlight for automated deployment, reducing development to deployment time by 50% and easing the testing process.- Managed dynamic routing using AWS Route 53 for custom subdomains, and hosted projects on AWS EC2 and Vercel, ensuring high availability, scalability, and personalized user experiences.- Enhanced application reliability with comprehensive testing strategies using Cypress and Jest, reducing critical bugs by 50%.- Developed custom fields integration with Zapier, HubSpot, and Salesforce, improving system flexibility and connectivity.- Utilized tools such as Material UI, Tailwind CSS, Redux, Storybook, and Sass to develop and design responsive, interactive, and user-friendly interfaces.

Dublin 2, Ie

In my role at Accenture, I specialized in designing and implementing solutions for small to medium-scale projects within an established fintech architecture. Key responsibilities and achievements include:Accomplishments:- Implemented dynamic lodgement forms and user management features using React.js, TypeScript, Material UI, React Hook Form, and Redux, significantly enhancing user experience and reducing form submission errors.- Developed backend services with Express.js, MongoDB, and Node.js, improving performance and scalability, achieving substantial reductions in response times.- Integrated endpoints from MuleSoft alongside custom Express server endpoints, providing a robust and flexible backend system, increasing data processing efficiency by 35%.- Utilized AWS for project deployment and hosting, ensuring high availability and scalability, achieving 99.9% uptime.- Implemented comprehensive testing strategies using Cypress and Jest, ensuring quality and reliability of the application, reducing critical bugs by 50%.

As an Application Systems Engineer at WeServ Systems International Inc., I was assigned to a large-scale fintech project - a japanese banking application. My work primarily involved using Java Spring Boot and React for application development and implementing internationalization for multi-language support. Key responsibilities and achievements include:Accomplishments:- Developed client and banker screens using React.js, TypeScript, Formik, Redux, and Styled Components, significantly enhancing user experience and administrative efficiency.- Utilized Prism API for mock endpoint integration, facilitating efficient testing and development workflows, leading to notable reductions in integration testing time.- Implemented internationalization (i18n) to support multiple languages, contributing to a globally accessible user experience and increasing international user engagement by 20%.- Employed Jest and React Testing Library to thoroughly test the project for bugs, ensuring reliability in an application with over 2000 pages, reducing critical bugs by 50%.- Leveraged the Next.js framework for server-side rendering, enhancing SEO and performance, noticeably improving page load speed.- Worked on a micro-frontend project, enhancing modularity and scalability of the application architecture, reducing deployment time for new features by 35%.

Southfield , Michigan, Us

- Automated repetitive tasks such as software installation, configuration changes, and user account creation using Bash.- Regularly reviewed and updated scripts to ensure compatibility with the latest software and operating systems.- Troubleshot and resolved hardware, software, and network issues for internal staff.- Installed, configured, and updated software and operating systems on user devices.

Master'S Degree, Computer Science

Bachelor'S Degree, Information Technology

High School Diploma