Marek Grzesiak

Software Engineer

About Me

Hello! I am Marek. I speak Polish, English & German. I have over 5+ years of experience building cloud-native microservices using Java, Spring, Docker, Kubernetes, and cloud platforms like Azure and AWS. I focus on clean, secure, and testable code, microservices design, and effective collaboration in team. Most importantly, I enjoy doing it.

Email: [email protected]
Phone: +48-730-421-121
Location: Wrocław, Poland (Remote)

Professional & Technical Skills

Over 5 years of experience in cloud native software engineering as Java backend developer
Team-oriented, embracing teamwork as top priority in software development
Excellent communication skills, experienced in discussions with business collecting requirements
Experience in microservices architecture, design, creation, development & deployment
Implemented observability, distributed tracing & logging in microservices architecture
Experience in writing clean code following clean code & SOLID principles
Knowledge of and experience in unit testing (JUnit), Integration testing & E2E testing
Develop REST API in accordance with IETF standards & RESTful principles
Experience in API First Approach, implementation of OpenAPI 3.0 code generator Maven/Gradle
Knowledge of Spring Framework, Security, Data JPA, Cloud, Apache Kafka & others
Hands-on experience in SQL, postgreSQL, MongoDB, GraphDB, Neo4j databases
Experience in developing dynamic & safe-type databases’ queries, Criteria API, QueryDSL
Extensive knowledge of Dockerization, Docker, Kubernetes (K8s) & its configuration files
Knowledge of and experience in selection & configuration of Azure & AWS cloud services
Experience in working in Agile & Scrum framework following its principles & rituals
Implemented Azure AI face recognition in Java backend & desktop JavaFX applications
Knowledge and experience in implementation of OAuth 2.0 in microservices
Knowledge of Azure Pipelines, continuous integration & continuous deployment CI/CD tools