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I am a Frontend Developer specialized in React and Angular, with hands-on experience building scalable and maintainable web applications. I excel at creating and implementing modern, accessible interfaces, optimizing performance, and applying automated testing (unit, integration, and end-to-end). I am passionate about UI/UX, coding best practices, and continuous learning. I enjoy collaborating with cross-functional teams to translate user needs into clean, high-quality UI solutions and continuously improve the product.…I am a Frontend Developer specialized in React and Angular, with hands-on experience building scalable and maintainable web applications. I excel at creating and implementing modern, accessible interfaces, optimizing performance, and applying automated testing (unit, integration, and end-to-end). I am passionate about UI/UX, coding best practices, and continuous learning. I enjoy collaborating with cross-functional teams to translate user needs into clean, high-quality UI solutions and continuously improve the product.

Christian Oller

Front-End Developer, Web Developer, UI Designer, +2

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I am a Frontend Developer specialized in React and Angular, with hands-on experience building scalable and maintainable web applications. I excel at creating and implementing modern, accessible interfaces, optimizing performance, and applying automated testing (unit, integration, and end-to-end). I am passionate about UI/UX, coding best practices, and continuous learning. I enjoy collaborating with cross-functional teams to translate user needs into clean, high-quality UI solutions and continuously improve the product.…I am a Frontend Developer specialized in React and Angular, with hands-on experience building scalable and maintainable web applications. I excel at creating and implementing modern, accessible interfaces, optimizing performance, and applying automated testing (unit, integration, and end-to-end). I am passionate about UI/UX, coding best practices, and continuous learning. I enjoy collaborating with cross-functional teams to translate user needs into clean, high-quality UI solutions and continuously improve the product.

Available to hire

I am a Frontend Developer specialized in React and Angular, with hands-on experience building scalable and maintainable web applications. I excel at creating and implementing modern, accessible interfaces, optimizing performance, and applying automated testing (unit, integration, and end-to-end).

I am passionate about UI/UX, coding best practices, and continuous learning. I enjoy collaborating with cross-functional teams to translate user needs into clean, high-quality UI solutions and continuously improve the product.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Spanish; Castilian

Fluent

Work Experience

Software Developer & QA at VHIR – H. Vall Hebron

October 1, 2024 - July 1, 2025

Developed and maintained an internal ERP (RAMS) with Angular (v8–v15) and SQL Server, optimizing and adding new functionalities. Led progressive Angular upgrades across versions, resolving dependencies and refactoring code. Implemented and maintained unit and integration tests with Karma and Jasmine, and end-to-end tests with Cypress. Collaborated with end users to gather requirements, assess deliverables, and conduct acceptance testing. Participated in planning meetings, proposing functional improvements and prioritizing new features.

Software Developer at Inology

June 1, 2023 - April 1, 2024

Developed and maintained a corporate ERP (Marino) with Angular and SQL, ensuring scalability and performance. Designed and customized reports and documents with Crystal Reports. Administered client-server environments, ensuring system stability and availability. Resolved client incidents with tailored technical solutions. Participated in follow-up meetings with end users and technical leads to validate deliverables.

Software Developer at KENOS TECHNOLOGY - VUELING

March 1, 2023 - May 1, 2023

Developed internal web applications with Angular applying architecture and scalability best practices. Implemented optimized views and components to improve performance and usability. Integrated external services via REST and GraphQL, validating test quality with Postman. Worked in an Agile SCRUM team with daily standups.

Frontend Developer at SM Medioambientes

September 1, 2022 - November 1, 2022

Developed and managed WordPress websites, applying client-specific customizations. Designed and proposed visual interfaces and reusable templates, optimizing delivery times. Maintained direct client contact, gathering requirements and proposing design improvements.

Frontend Developer at PUKKAS

January 1, 2022 - August 1, 2022

Developed web projects with WordPress and Elementor, HTML, CSS, JavaScript and React. Implemented mocks created by the design team, ensuring visual fidelity and accessibility. Optimized website performance and eCommerce projects, increasing visits. Participated in client meetings to gather feedback, validate deliverables, and propose improvements. Collaborated with an Agile team (SCRUM) using Jira for task management.