MARIA HERMINIA MARSKE
Buenos Aires,CABA
Summary
Frontend-focused Fullstack Developer with more than 9 years of experience across multiple industries, primarily in the financial sector. Skilled at combining technology and design to build efficient and visually appealing user interfaces. Experienced in legacy system migration, UI modernization, performance optimization, and modular development. As web development professional, adept at crafting intuitive and visually appealing user interfaces. Demonstrates strong focus on teamwork and achieving project milestones. Reliable and adaptable, with proficiency in HTML, CSS, JavaScript, and modern frameworks such as React.
Overview
12
12
years of professional experience
Work History
Frontend Developer
Key2Pay
Barcelona
10.2025 - Current
- Development of frontends using Vue 3.
- UX design and mockup implementation with Figma.
- Development of microservices in Kotlin and cloud architecture on AWS.
- Integration of external services and third-party APIs.
Software Developer
LIRA Service GmbH
Paderborn
01.2025 - 10.2025
- Development and maintenance of Java solutions using Spring Boot and SWT interfaces.
- Implementation of UI improvements and view organization, achieving a 95% user acceptance rate.
- Refactoring of the stock module, resulting in a 30% performance optimization.
- Increased code coverage using JUnit alongside Jenkins, ensuring continuous integration.
Software Engineer
Santander Tecnología
Buenos Aires
01.2022 - 07.2024
- Participated in the migration of legacy systems from WebSphere 7 to WebSphere 8, ensuring system stability and scalability.
- Designed and developed user interfaces using Figma and React.
- Optimized and maintained the Java codebase.
- Analyzed and documented obsolete modules for migration purposes.
Fullstack Engineer
Fiserv
Buenos Aires
09.2019 - 01.2022
- Participated in the Clover project, supporting its integration into the Argentine market.
- Developed solutions using Java 8 and MySQL with an in-house framework.
- Worked on content strategy, UX research, and frontend development using React and Ember.js.
- Conducted code reviews, unit testing, and integration testing.
Fullstack Developer
Banco Patagonia
Buenos Aires
09.2018 - 09.2019
- Developed and implemented Banco Central de la República Argentina (BCRA) regulatory requirements for retail banking applications, including home banking and mobile banking platforms.
- Participated in the development of the “Virtual Token” project, a two-factor authentication system that replaced physical coordinate cards.
- Backend development using Java 8 and Spring Boot, integrated with SQL Server.
- UI layout design and user interface prototyping.
Frontend Developer
CDA Informática
Buenos Aires
09.2016 - 09.2018
- Migrated legacy systems for clients including Santander, Peugeot, and Rapipago.
- Worked with AngularJS, Bootstrap, Java 8, Spring, and Hibernate.
- Developed CSS layouts and handled frontend integration.
Frontend Developer
It Resources
Buenos Aires
09.2014 - 09.2016
- Integrated mockups and developed solutions using HTML, CSS, JSP, and Java for Santander within the OBP (Online Banking Personas) project.
- Maintained Servlet containers and related web application infrastructure.
- Collaborated with UX designers to enhance user experience through iterative feedback.
- Engaged in Agile methodologies, participating in sprints and contributing to product backlog refinement.
Education
Commercial Pilot License (CPL) -
CICA - Centro De Instrucción Y Capacitación Aeronáutico
Morón, Buenos Aires, Argentina12.2017
Associate Degree - Animation Film Production
Escuela Da Vinci
Buenos Aires, Argentina01-2025
Game Artist - undefined
Image Campus
Buenos Aires, Argentina01-2021
Information Systems Analysis - undefined
Universidad Abierta Interamericana
Buenos Aires, Argentina01-2019
Skills
- Frontend: Vue 3, Reactjs, AngularJS, HTML5, CSS3, JavaScript, Bootstrap, Responsive Design, UI/UX Design, Figma, Adobe XD
- Backend: Java 8, Kotlin, Spring Boot, Nodejs, REST APIs, MySQL, Hibernate
- Tools y DevOps: Jira, Jenkins, SonarQube, WebSphere, Apache Tomcat, Git, SVN, AWS, CI/CD Pipelines
- Testing & Quality: JUnit, Unit Testing, Integration Testing, Continuous Integration, Code Review, Performance Optimization
- Additional Skills: Legacy System Migration, Microfrontend Architecture, Modular Development, Agile Methodologies, Technical Documentation
- RESTful apis
- Team leadership
LANGUAGES
Spanish — Native
English — Advanced (C1 – Professional Proficiency)
German — Basic
Timeline
Frontend Developer
Key2Pay
10.2025 - Current
Software Developer
LIRA Service GmbH
01.2025 - 10.2025
Software Engineer
Santander Tecnología
01.2022 - 07.2024
Fullstack Engineer
Fiserv
09.2019 - 01.2022
Fullstack Developer
Banco Patagonia
09.2018 - 09.2019
Frontend Developer
CDA Informática
09.2016 - 09.2018
Frontend Developer
It Resources
09.2014 - 09.2016
Associate Degree - Animation Film Production
Escuela Da Vinci
Game Artist - undefined
Image Campus
Information Systems Analysis - undefined
Universidad Abierta Interamericana
Commercial Pilot License (CPL) -
CICA - Centro De Instrucción Y Capacitación Aeronáutico