Mathias B

Developer III

newpay • Fulltime

Apr 2022 - Oct 2025 • 3 yrs 6 mos

Developed a configuration service for the homepage using Java Spring and PostgreSQL, enabling non-technical team members to update content dynamically without developer intervention. Contributed to the creation of REST microservices on JBoss, migrating functionality from SOAP services to improve maintainability and significantly reduce errors in payment processing and query workflows. Managed production incidents by analyzing logs, reproducing issues, and implementing fixes/resolutions. Participated in Nest.js development projects, including version upgrades/migrations and the creation of a Backend-for-Frontend (BFF) layer to centralize, orchestrate, and filter requests to internal APIs. Contributed to the design and development of a recharge/top-up system built with Java Spring.

Tech leader / Full Stack developer

Folcode • Fulltime

Feb 2020 - Mar 2022 • 2 yrs 1 mo

I worked on the development of web and mobile platforms in Full Stack and Tech Lead roles. I contributed to building a travel packages platform using Java Spring, where I implemented a logging system and integrated Elasticsearch to improve service traceability and monitoring. I led the development of an online courses platform and a coupon management system using Laravel and Angular, ensuring efficient continuous delivery. I collaborated on a political management project using Next.js and Express.js, building a content management platform. I served as Tech Lead in the development of an MVP for a social network, using React.js and React Native with Redux on the frontend. On the backend, we used Java Spring with microservices designed following Domain-Driven Design (DDD) principles, combined with a messaging-based architecture.