Paweł Pelczar

Microservices for handling chat providers (GBM, ABC) provisioning. Responsible for design and implementation of features. Introduction of AWS SQS buffering queues. Technologies used: Spring Boot, Java, AWS lambda, API Gateway, SQS, Python, Terraform, Maven, JUnit, Github

Replacement of legacy authentication/authorization system with OAuth2 compatible one. Responsible for evaluation of authentication SaaS providers, design of migration process, preparation of user stories, implementation with team of software developers Technologies used: Spring Boot, Java, JavaScript, API Gateway, AWS lambda, Python, Terraform, OAuth2/OIDC, Maven, JUnit, Vue.js, Node.js, Git

Responsible for design and implementation of microservices Technologies used: Spring Boot, Java 11, Kotlin, Kafka, MongoDB, Gradle, Spock, Docker Swarm, GitLab, Prometheus, Grafana, Kibana, Eureka, Vue.js, Oracle PLSQL

Responsible for development of web application back-end, support and implementation of connectivity layer between front and back-end, implementation of azure search / blob storage / authentication. Technologies used: Spring Boot, Kotlin, Vue.js, Azure, Terraform, Pusher, PostgreSQL, Gradle, Docker

I was responsible for development of couple of services providing self service platform for employees. Technologically it was Java at the backend and Javascript/Typescript on the frontend (JBoss Seam, RichFaces, JPA, Angular JS, Angular, Spring, Apache Camel, RabbitMQ, WebSockets, MS SqlServer, PostgreSQL, Concordion, Selenium 2, Maven).

As a contractor I was developing retail e-banking system. It was web application written in Java technologies (J2EE, Struts, Oracle).

I was responsible for software design and development for various end clients of our software house. Technologies were mostly Java related, both desktop and web. I was mainly using spring framework with relational databases (JPA, hibernate, JSP, Swing) and later play 1 framework.

In this short therm contract role I was helping in development of banking loan system. It was web based application in Java technologies (J2EE, ADF, Oracle).