Matias Sfer Software Developer

Fullstack Developer

Intermedia IT

Nov 2024 - Current (1 year 9 months)

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Backend Devel oper

Fived Solution

Jul 2024 - Oct 2024 (4 months)

I contributed to the development and improvement of functionalities for CheckQualy, a quality management system designed to optimise inspection processes. I developed and integrated backend services using Node.js, NestJS and TypeScript, ensuring modularity and maintainability. I designed the API and implemented the business logic to manage inspections, reporting and user authentication. I developed a structure to ensure consistent order in the database across two tables using a PostgreSQL trigger to ensure unique order numbers. This was reflected in the UI and integrated with a drag and drop function on the frontend. I built hierarchical structures in various components that contained other nested structures, fetching and mapping these stru

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Software Developer

Scalemote

Jul 2023 - Current (3 years 1 month)

Work in a scrum environment. Attending daily meetings to show my progress and tell what my next tasks are. Attend my task by tickets priority. Contribute to the repository through feature-based remote branches. Make a proper pull request, with clean and readable code, separated by feature and without covering other issues not related to the feature. Develop Rest services with Nestjs and typeOrm for relational database queries. Develop the project views using a Tailwindcss template. Connect the web services with the frontend using react-query to fetch data. Develop a responsive UI/UX design.

Software Developer

Bigger

Jun 2023 - Current (3 years 2 months)

Developed and managed web applications with Node.js, NestJS, TypeScript, React.js, HTML, CSS and TailwindCSS. I designed and integrated scalable microservices using NestJS, Type ORM, PostgreSQL and AWS (API Gateway, Lambdas, DynamoDB, RDS, AppRunner, etc). Based on Figma templates I developed components and views, along with user interactions and animations. Handle user states through the correct use of hooks, API Context, local and session storages. Use useEffect along with other hooks such as useMemo or useCallback to optimise requests and rendering throughout the app. Integrated payment systems with Stripe; managed queues and caching with Redis and Bull. Implemented JWT/OAuth 2.0 authentication and authorisation with custom roles and pol

Intern Developer

Bigger

May 2023 - Jun 2023 (2 months)

I contributed to the development of new functionalities and the improvement of existing web applications. I gained hands-on experience with technologies such as Node.js, NestJS, React.js and TypeScript. I assisted in troubleshooting and code optimization to improve performance. I collaborated in the creation of technical documentation to facilitate code maintenance and understanding. I participated in regular code reviews, honing programming skills and learning from peers.

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Intern JavaScript Developer

Scotti Software

Dec 2022 - Apr 2023 (5 months)

I learned the basics of the project and assisted in the conversion of functional components to class components in a frontend library. Performed research on JavaScript concepts, design patterns and best practices. I analysed the project's design patterns and code base to understand and contribute effectively. Collaborated with experienced developers to transform components and improve library functionality. I demonstrated proficiency in JavaScript by converting components and adapting to the needs of the project.

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Desarollador Front-End

Scotti Software Co

Dec 2021 - Apr 2022 (5 months)

- My task was to get trained in the main concepts of the project and then contribute to the front-end library based on vanilla JavaScript by passing functional components to class components. We used Slack 3 or 4 per week to meet and notices. My tasks were: Study the material provided by the company about class components, POO and design patterns. Those was 5 videos of 50minutes. I research in forums about this concepts and additionally I look up about Solid and his 5 principles to write a clean, reusable and maintainable code Analyze the 60% code of library (only the components section) to relate and better understand how it is built and all its features. Understand the design pattern provided by the project leaders and see how implemen

Matias Sfer

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