Szymon Olejnik

As developer I am mainly carrying of the backed part of the application. I receives very different tasks from each part of the subsystem of a very complex e-commerce system.

Achievements

I have the opportunity to be a part of very big migration of the frontend part from old to the newer technology. Other opportunity was to support other team by some cms/php task.

• Java 8
• Javascript
• Typescript
• React

As developer I was mainly carrying of the frontend part of the application, adapting keycloak themes to the current application design and writing integration tests for email notifications of the backend part of the application.

Achievements

I have the opportunity to create a test application using gcp (Google Cloud Platform) to test application functionality of sending email. This was my first application where i had contact with the concept of accessibility.

• Java 17
• Spring Boot
• Keycloak
• Typescript
• Angular2+
• GCP

I was looking for a new project.

As developer my responsibilities in the project are to develop, maintain and test the application from the e-commerce industry.

Achievements

I have the opportunity to develop an application composed of dozens of microservices and make LDAP integrations for some of them.

• Java 8/11/17
• Javascript
• Angular2+

As developer my responsibilities in the project are to develop, maintain and test the application from the logistic/transport industry.

Achievements

I had the opportunity to develop a large application for the hundreds of thousands of users.

• Kotlin
• Java 11
• AngularJS
• Angular2+
• NoSQL/MongoDB

As developer my responsibilities in my project were to develop and test the application without backend, where the 'backend' functionalities were moved to the cloud.

Achievements

I had the opportunities to explore/research some of the client's services/systems to create POC to later integrate them with our application in the cloud.

• Java 11
• Angular2+
• AWS
• Jenkins

As an experienced developer my responsibilities in my project were to develop, test, and check for errors on my own as the only frontend developer. Additionally, I had to configure separately the frontend app with the external keycloak server.

Achievements

I had the opportunity to develop the whole app from the beginning to the end. I helped the client configure the frontend part of the app so that it could run on multiple environments after a single build. I also analyzed the client's needs for developing the new app.

• Java 11
• SpringBoot
• Junit
• JPA/Hibernate/SQL/PostgreSQL
• HTML/CSS
• Javascript/Typescript
• Angular2+
• Angular testing/Karma/Jasmine
• OpenID/Keycloak
• Agile

As an experienced developer my responsibilities in my long-term project were the development of the application, designing the app together with the dedicated UX-designer, analyzing errors (finding the causes of errors), creating solutions for errors, designing tests concepts, performing tests, and preparing test data.

Achievements

As the Technical Chief Designer for the Frontend (responsible for the whole Angular part of the app), I supported the team with Angular topics (coding, testing, and architecture). I also worked with the UX designer and the client to discuss specific technical solutions from the frontend side. I gained experience with the OpenID architecture.

• Java 8
• JEE/Jersey
• Junit
• JPA/Hibernate/SQL/PostgreSQL
• HTML/CSS
• Javascript/Typescript
• Angular2+
• Angular testing/Karma/Jasmine/Selenium/e2e
• OpenID/Keycloak
• Agile

As a more experienced developer my responsibilities in my long-term project were the development of the application, error analysis (finding the causes of errors), creating solutions for errors, designing tests concepts, performing tests, and preparing test data. Later in the project, I was responsible for testing the Angular part of the application, and eventually for the entire frontend part.

Achievements

As the person responsible for the Angular part of the app, I gained expertise in Angular testing, programming in Angular/Typescript, and Angular architecture. I had opportunities to share my knowledge through presentations.

• Java 8
• JEE/Jersey
• Junit
• JPA/Hibernate/SQL/PostgreSQL
• HTML/CSS
• Javascript/Typescript
• Angular2+
• Angular testing/Karma/Jasmine/Protractor/e2e
• Agile