Iván Pérez

Technical Lead

May 2026 - Present

Employee feedback and internal job positions platform for a major retail client.

• End-to-end project management, leading technical decisions autonomously.
• Designing backend architecture for new developments and improvements.
• Technical support to team members, team management and mentoring.
• Continuous coordination with business components and stakeholders.
• Active integration of AI for technical tasks, management, and documentation.
• Applied Spec Driven Development (SDD) methodology, defining technical specs before writing code to ensure alignment and quality.

Backend Developer

Sep 2024 - May 2026

Employee management application: schedules, shifts, cards, vacation and leave tracking.

• Backend Developer for a major retail client, working with Java 17/21, Hexagonal architecture, Spring 6, and Maven to deliver scalable and maintainable solutions.
• Responsible for designing and executing automated tests using JUnit, Mockito, Sonar, and Grafana to ensure code quality and system reliability.
• Database management and optimization with MariaDB and Dbeaver, focusing on performance and data integrity.
• Continuous Integration and Continuous Delivery (CI/CD) implementation using Github Actions and Openshift for efficient deployment pipelines.
• Project tracking and version control with Github, Jira, and Git, ensuring effective collaboration and workflow management.
• Experience working in both Windows and Linux environments.
• Utilized additional tools such as Microsoft Clarity, Swagger, Miro, Lombock, and Notion to support development and documentation processes.

Technical Lead

Dec 2023 - Sep 2024

• From December 2023 as Technical Lead, taking on responsibilities additional to being a developer such as: requirements gathering, code review/PR, GitFlow coordination, release creation and documentation, efficiency testing and demo presentation.

Backend Developer

Feb 2021 - Dec 2023

• Java and Python microservices Backend Developer.
• Worked with Java 11/17 Spring Boot 2/3, Spring Framework 5/6 applying mainly reactive programming methodologies, developing web applications.
• Python microservices with Python 3, Flask framework and Kafka for event streaming.
• Reactive Spring Data repositories and Maven as project management tool and MongoDB and OracleSQL as databases.
• Test cases for unit and integration testing using JUnit and Mockito. Experience in SONAR to generate and review quality of code.
• Assisted in facilitating Scrum ceremonies such as: Product Increment planning, sprint planning, daily stand-ups, sprint demos, and retrospectives.
• Continuous Integration/Continuous Delivery using tools such as Git, Github, Jenkins, Openshift, Jira and Kanban board.

Software Engineer

Dec 2018 - Dec 2020

• Frontend and Backend development with Spring Boot, AngularJS, Bootstrap, PostgreSQL, OracleSQL, MSSQL.
• Hibernate/JPA implementation, Java/Maven development.
• General knowledge of RESTful APIs and JSON. Experience in Webservices (REST and SOAP).
• Agile Development Experience. Continuous Integration/Continuous Delivery using DevOps tools and workflows such as Git, GitLab, Jira, and Jenkins.