Über Marcos
Full-Stack Developer with 5+ years building scalable backend systems and cloud applications. Specialized in Node.js, TypeScript, and Microsoft Azure for high-traffic platforms. Experienced in remote collaboration with distributed teams and seeking international remote opportunities.
Core expertise: RESTful APIs, database optimization (SQL/NoSQL), cloud infrastructure, and modern JavaScript frameworks. Proven track record of migrating legacy systems, reducing response times, and improving system reliability for agricultural and enterprise platforms.
Portugiesisch
Muttersprachlich oder zweisprachig
Englisch
Verhandlungssicher
Deutsch
Konversationssicher
Spanisch
Grundkenntnisse
Vor Ort möglich
Berlin (bis zu 50 km)
Projekt- und Berufserfahrung
- AgresFull-stack developerLEBENSMITTELINDUSTRIEFebruar 2022 - Februar 2026 (4 Jahre)Curitiba, PR, Brazil• Migrated backend services to Azure Functions and Cosmos DB, leveraging auto-scaling and cost analysis tools to cut operational costs by 40%, raise uptime by 25%, and accelerate release cycles through optimized CI and CD pipelines.• Eliminated API bottlenecks by replacing CouchDB with Cosmos DB, enabling accurate pagination and item counts in single queries, enhancing response time by 30 scaling search-heavy endpoints.• Revamped outdated JavaScript codebases to TypeScript by introducing a more modular structure and dependency injection, leading to a 50% decrease in bug reports and a 25% improvement in deployment speed.• Enhanced backend performance for agricultural systems during high load, applying asynchronous logic, request batching, and index tuning to decrease response times by 80% and boost system performance by 33%.• Improved frontend responsiveness and modularity in Angular by using lazy loading and creating reusable components, resulting in a 40% reduction in screen load times and a better user interaction flow.Key Technologies and Tools: Angular, NodeJS, Jest, NoSQL, IBM Cloud, Azure Functions, Serverless Framework
- SiemensJunior Full-stack developerENERGIEMai 2020 - Juli 2021 (1 Jahr und 2 Monate)Curitiba, PR, Brazil• Streamlined the processing of unstructured JSON and XML data using JavaScript, Python, and Bash, resulting in a 55% drop in manual workload and a 25% improvement in processing speed.• Led expansion of automated test coverage by 80% and reduced regression cycles by 40% for legacy SCADA systems by co-authoring test suites with QA engineers using Robot Framework, significantly improving test reliability across deployments.• Spearheaded the development of backend utilities and internal tooling, enabling streamlined configuration imports and reducing infrastructure support overhead across environments. Key Technologies and Tools: Python3, JavaScript, Bash XPath, Robot Framework
- Hero99Trainee Full-stack developerFebruar 2019 - März 2020 (1 Jahr und 1 Monat)Curitiba, PR, Brazil• Optimized backend APIs using Node.js, MySQL, and SQL Server, cutting server response times by 45%, improving query performance by 40%, and increasing data retrieval efficiency by 25%.• Integrated payment gateways and location services into Laravel applications to enable address auto
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Ausbildung und Abschlüsse
- Bachelor of Science in Computer SciencePontifical Catholic University of Paraná2021Bachelor of Science in Computer Science