Freelancer profile translated to English.

Description

My goal is to add value to the team through my extensive experience as a backend Java developer, collaborating closely with different areas to align technical requirements and ensure the success of each project.

I have over 15 years of experience participating in Java projects of varying complexity, which has allowed me to acquire a solid understanding of backend architectures, development best practices, and agile methodologies.

I am a proactive professional passionate about new technologies, always willing to take on new challenges and continue learning.

I firmly believe that I can contribute significantly to the team, while continuing to grow and develop alongside a solid and committed work group.

Languages

English
Native or bilingual
Polish
Conversational

Workplace preferences

Can work on-site

Madrid (up to 50km)

Santander Digital Services/Minsait/TECDATA
Technical Analyst - Java Backend Microservices
July 2024 - November 2025 (1 year and 4 months)
Madrid, Spain
Functional and technical analysis of requirements associated with the most critical modules of the application, identifying dependencies, risks, and optimization opportunities. Development and maintenance of detailed technical documentation on the design and specification of APIs, ensuring their correct integration and alignment with ecosystem standards. Active participation in the design of the microservices architecture and in the definition
Microservices Business analysis Oracle Java Spring Boot OpenShift
Smart4/Profile
Kotlin Backend Developer
November 2023 - April 2024 (5 months)
Madrid, Spain
Smart4 one
Estimation and design of user stories.
Code development and unit tests. Technologies Used:
Languages and Frameworks: Kotlin 1.9, Spring Boot 3.2.
Database: PostgreSQL.
Container Management: Docker.
Documentation: SpringDoc OpenAPI.
Testing: Mockito.
Methodologies: Scrum
Inditex/Profile
Senior Java Backend Developer
November 2022 - October 2023 (11 months)
Madrid, Spain
Estimation and design of user stories.
Code development and unit tests.
Implementation of mutation tests.
Resolution of bugs and technical improvements. Technologies Used:
Languages and Frameworks: Java 8, 11, 17, Spring Boot, Maven.
Databases: DB2, MongoDB.
Testing: JUnit, Mockito.
Repositories: Git, Bitbucket.
CI/CD: Github (Actions), Openshift.
Code Quality: Sonarqube.
Internal Tools: Inditex Frameworks.
Monitoring and Collaboration: Grafana, Confluence, Jira.
Methodology: Scrum