Marco Araujo is a software engineer with a decade of experience building high-throughput, resilient web platforms and microservices across music-tech, media, and healthcare domains. He has designed and maintained Node.js backends, GraphQL APIs, and React frontends while operating cloud-native deployments with Kubernetes, Prometheus/Grafana, and IaC in AWS to achieve 99.9%+ uptime for systems serving hundreds of millions of users. At BGN he helped architect a distributed, performance-focused platform supporting live global broadcasts (Formula 1, MotoGP), and more recently contributed to paperless healthcare workflows and scalable music platforms at Mizaic and Songtradr. An active open-source contributor, he improved TypeScript typings for the popular Moleculer microservices framework to enhance developer DX and type safety. Comfortable mentoring teams and stepping into on-call, high-pressure ops, he blends pragmatic engineering with a track record of turning legacy systems into searchable, production-ready solutions.
10 years of coding experience
20 years of employment as a software developer
Full Stack Developer Computer Software Engineering, Full Stack Developer Computer Software Engineering at Makers
Master's degree Foreign Language Teaching Education, Master's degree Foreign Language Teaching Education at Universidad de Jaén
Bachelor's degree Education - School Management and Teaching, Bachelor's degree Education - School Management and Teaching at Centro Universitário Fundação Santo André
:rocket: Progressive microservices framework for Node.js
Role in this project:
Back-end Developer
Contributions:6 reviews, 5 commits, 1 PR in 3 days
Contributions summary:Marco focused on enhancing the TypeScript typings for the `moleculer` framework's utility functions. Their commits involved adding and improving type definitions, including fixing typos, refining function signatures, and ensuring compatibility with TypeScript tests. The work directly impacted the framework's developer experience by providing better type safety and code completion. This involved modifying the `index.d.ts` file, indicating a focus on improving the framework's API and developer tooling.
Contributions:101 commits, 35 PRs, 85 pushes in 3 months
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