Ernst Christian Catedral
PRO
5.0 (1 review)
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I am Ernst Christian Catedral, a Senior Full Stack Engineer with over 8 years of experience delivering scalable enterprise-grade web applications. I excel at building modular React + TypeScript architectures, leading teams, and collaborating with product and UX to translate complex requirements into intuitive user experiences. I am passionate about leveraging cloud-native tech, modern CI/CD practices, and robust testing to drive innovation while maintaining quality and security.
Currently, I mentor junior developers, design scalable frontend ecosystems, and design intuitive interfaces for complex healthcare and software workflows. I enjoy partnering with UX designers to improve usability and implement real-time features (WebSockets) and reliable API integrations that streamline operations across legacy and modern systems.
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Language
English
Fluent
Work Experience
Fullstack Engineer at Quorini
August 1, 2024 - June 24, 2024Responsible for frontend and backend development of the Quorini platform, a developer-centric API access and user provisioning management tool. Architected a modular React component library using TypeScript for scalability and performance. Implemented complex UI state management with XState and Redux, integrated real-time features using WebSockets, and maintained micro frontends to promote team autonomy. Engineered TypeScript SDK components for seamless third-party API integration. Orchestrated CI/CD pipelines with GitHub Actions and AWS CodePipeline, deployed serverless backend services using AWS Lambda, S3, and API Gateway. Integrated AWS Cognito for authentication and multi-tenant user management. Employed AWS Amplify for hosting and CI/CD, plus developed real-time permission editing UI. Collaborated on enterprise security compliance and authored unit and integration tests utilizing Jest and Cypress. Monitored application health with AWS CloudWatch and mentored junior developers thr
Fullstack Engineer | Tech Leader at IKI Health Group
March 1, 2022 - April 30, 2024Led a five-developer team to build a healthcare management platform, improving patient data processing speed by 40%. Architected a microservices-based backend with Node.js and AWS Lambda, reducing server costs by 30%. Implemented real-time data synchronization using WebSockets to enhance user experience by 25%, and developed a custom React and Redux dashboard to increase admin efficiency by 35%. Integrated payment APIs, optimized database queries, and established CI/CD pipelines with GitHub Actions to improve deployment efficiency. Conducted code reviews and mentoring sessions to increase productivity and designed a secure authentication system with AWS Cognito, lowering security incidents by 40%. Collaborated with UX designers to boost usability and satisfaction. Monitored performance using AWS CloudWatch to minimize downtime and increased test coverage by 50% via Jest and Cypress. Developed a scalable notification system to improve communications by 35%.
Fullstack Developer at Hofy
January 1, 2021 - March 1, 2022Developed a property management platform using React and Node.js that increased user engagement by 30%. Implemented real-time chat with WebSockets, improving customer support response times by 40%. Enhanced frontend performance by reducing load times by 35%. Integrated third-party APIs for property listings to expand database coverage by 50%. Designed responsive UI using CSS3 and HTML5, improving mobile UX by 25%. Established automated testing with Mocha increasing test coverage by 40%, optimized API responses to reduce latency by 30%, and developed a custom admin dashboard increasing operational efficiency by 35%. Conducted performance audits and mentored junior developers to elevate coding standards.
Frontend Developer at Sprout Solutions
April 1, 2017 - December 31, 2020Developed a HR management system with Angular.js, improving employee onboarding efficiency by 30%. Implemented responsive design to increase mobile engagement by 25% and optimized frontend code to reduce load times by 40%. Integrated RESTful APIs for faster data retrieval and collaborated with UX designers to enhance usability and increase user satisfaction by 20%. Conducted code reviews that improved code quality by 25% and developed a reporting module increasing admin efficiency by 30%.
Internship Trainee at Taxumo
March 1, 2016 - February 28, 2017Assisted in developing a tax management platform using PHP and Laravel, improving data processing speed by 20%. Implemented frontend components with HTML5 and CSS3 enhancing the UI by 15%. Conducted testing and debugging reducing bug reports by 25% and collaborated with senior developers on new feature development to boost team productivity by 10%. Participated in code reviews and learned best practices to improve coding skills.
Education
Bachelor of Technology at Ateneo de Davao University
January 1, 2011 - December 31, 2015Qualifications
Industry Experience
Software & Internet, Healthcare, Real Estate & Construction, Financial Services, Retail, Professional Services, Consumer Goods, Computers & Electronics
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