Mateusz Zastawny
Development
Lesser Poland, Poland
Skills
Node.js
About
Mateusz Zastawny's skills align with Programmers (Information and Communication Technology). Mateusz also has skills associated with Web Professionals (Information and Communication Technology). Mateusz Zastawny has 5 years of work experience.
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Work Experience
Senior Software Engineer
emagine Consulting AB
April 2023 - Present
- Continuation of work for the previous company. Internal transfer at the client's request to another contract company (from Source Technology to emagine ABՅ.
Senior BackEnd Node.js Developer
Henderson
August 2022 - April 2023
- US Creating BackEnd for social platform.
Senior BackEnd Node.js Developer
Statica Sp. z o.o
March 2022 - January 2024
- Products development and maintenance.
Senior Software Engineer
Source Technology
March 2022 - March 2023
- BackEnd Node.js ՄNestJSՅ applications hosted on Kubernetes in AWS. • Creating applications in microservice architecture ՄKafka, MongoDB, Redis, REST API, GRPCՅ. • Monitoring application ՄOpenTelemtry, Grafana). • Generating API documentations ՄSwagger). • Collaborating with cross-functional teams. • Integrating with internal and external services. • Process automation ՄCI/CD GitLab, Flux). • Service reliability through extensive testing.
Developer / AWS Developer
BackEnd Node
November 2021 - July 2022
- Providing BackEnd for a mobile application collecting sports data. ? Bochnia, Poland
Developer
BackEnd Node
October 2019 - February 2022
- BackEnd Pure Node.js real-time applications. • Implementing real-time microservices processing stock market data. • Developing high-performance applications capable of handling tens of thousands of data packets per second across multiple protocols, including TCP, WebSocket, and HTTPS. • Integrating with stock quote providers.
Junior Node.js Developer / Junior Software Developer
FELG Software Sp. z o.o. / Treative Sp. z o.o
January 2019 - September 2019
- Monolithic Node.js ՄExpressJSՅ application.
