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Elena Ortega - frontend engineer

About me

Senior Frontend Engineer with over 11 years' experience working in international projects, driving the digital transformation of clients across diverse industries.

Highly experienced in frontend development, with experience as full-stack and mobile developer.

Experience working in agile methodology within multicultural teams, in the client side and remotely. Contributing in all the project phases: planning, design of the solution, frontend tasks development, release to production and maintenance.

Recognized as a proactive and competent person, who likes challenges and continuous learning.

  • 11+

    years of experience

  • 11

    corporate projects

  • 4

    side projects

Elena Ortega smiling happily

Contact

Work experience

Decathlon

08.2024 - Present

Ecommerce web application for the checkout process

Senior software engineer

1 year and 10 months

Netherlands

  • - Contributed to improving the checkout experience for an e-commerce platform with ~20K daily cart users and a checkout conversion rate close to 40%, using A/B testing to validate UX improvements.
  • - Built a scalable and performant web application with a strong focus on developer experience and clean architecture, implementing SLOs to ensure high availability.
  • - Developed a flexible, declarative form builder system with built-in validation, actions, and state management that supports dynamic forms.
  • - Optimised web pages for maximum speed and scalability, auditing web performance metrics to reduce load times and improve user experience.
  • - Maintained production health and system stability through proactive monitoring, ensuring ecommerce platform reliability for over 20 countries.
  • - Designed and implemented a checkout solution that can be plugged into other tenants, enabling rapid deployment across multiple markets.
  • - Mentored and supported engineers in their professional growth.
  • - Improved development productivity and code quality by using AI-assisted tools like GitHub Copilot and Gemini.
Svelte
Typescript
Tailwind CSS
Storybook
Web Performance
Datadog
Github
Scrum
English

Gofore

01.2019 - 08.2024

Mobile application for a Client in the Mobility sector

Lead developer

2 years and 10 months

Spain

  • - Developed an iOS and Android application using React Native, enabling customers to park, charge their cars, and access other mobility solutions.
  • - Served as the Lead Developer while also acting as the backup for the release manager, ensuring project deployment and coordination.
  • - Utilized GraphQL and the Apollo GraphQL library to transform and transfer data efficiently between the client and microservices.
  • - Designed and implemented an architecture to customize the UI for third-party providers, such as Azure and payment system providers.
  • - Collaborated closely with customer support teams to promptly address and resolve technical issues.
React Native
ReactJS
Typescript
Storybook
GraphQL
Parcel
Jest
Datadog
Firebase
Playwright
Fastlane
Gitlab
Scrum
English

Web & Mobile application for a Client in the Prevention of Hazards sector

Fullstack developer

8 months

Spain

  • - Spearheaded the development of a hazard prevention platform, focusing on creating a CMS that enabled managers to efficiently build documentation related to fire prevention
  • - Implemented features allowing for the integration of interactive floor plans and safety guidelines within the platform.
  • - Stepped in as the primary support for the project`s culmination phase, conducting essential maintenance tasks on both the iOS and Android applications developed with React Native.
ReactJS
Typescript
HTML
Scss
React Native
Firebase
NodeJS
Github
Scrum
Trello
English

Web application for a Client in the University sector

Frontend developer

4 months

Spain

  • - Led the development of a hate speech detection dashboard designed to gather and analyze data from various social media platforms, including Twitter, Reddit, and others.
  • - Designed intuitive graphical representations within the dashboard to visually depict trends, patterns, and reports related to hate speech occurrences.
Angular
Typescript
HTML
Scss
Bootstrap
D3
Gitlab
Scrum
Jira
English

Web aplication for a Client in the IoT sector

Frontend developer

1 year and 2 months

Spain

  • - Worked for a leading measurement equipment manufacturer that offered a cloud-based measurement data monitoring system, enabling customers to remotely monitor measurement and alarm information at various sites.
  • - Managed the migration from AngularJS to Angular and developed new features.
AngularJS
Angular
Typescript
HTML
Scss
Bootstrap
Responsive Design
Maps API
i18n
Karma
RESTful API
Webpack
Gitlab
Scrum
Jira
English

Web aplication for a Client in the University sector

Frontend developer

3 months

Spain

  • - Led a project where I integrated customer-developed API endpoints into a visual map, facilitating the mapping of stores within shopping malls.
Figma
ReactJS
HTML
Scss
Material UI
Maps API
i18n
RESTful API
Babel
Webpack
Jest
Selenium
Gitlab
Scrum
Trello
English

Web application for R&D

Frontend developer

5 months

Spain

  • - Designed the user interface to deliver pertinent information tailored for office use.
  • - Integrated the application with social media APIs.
Sketch
Marvel
ReactJS
HTML
Scss
Material UI
Bitbucket
Scrum
Trello
English

Accenture

06.2015 - 12.2018

Web application for a Client in the Insurance sector

Frontend developer

11 months

Austria

  • - Lead the digital transformation of one of the largest insurance groups of Austria, Central and Eastern Europe.
  • - Spearheaded the software product definition, requirements, analysis and implementation.
AngularJS
EC6
HTML
Scss
Bootstrap
Responsive Design
Handlebars
RESTful API
Scrum
Jira
Github
English

Web application for a Client in the Bank sector

Frontend developer

9 months

Colombia + Remote work

  • - Participation in the digital transformation of an important financial group.
  • - Analysing of customer requirements and improving form-based flows.
  • - Estimation of tasks, modeling forms and frontend development.
Javascript
jQuery
HTML
CSS
Bootstrap
Responsive Design
RESTful API
Scrum
Jira
Github
English

Web application for a Client in the Bank sector

Frontend developer

1 year

Mexico

  • - Creation of a credit card portal.
  • - Analyze customer requirements.
  • - Tasks estimations and frontend development.
AngularJS
HTML
Scss
Bootstrap
Responsive Design
RESTful API
Scrum
Jira
Github
English

R&D Projects

Frontend developer

11 months

Spain

  • - Development of new features and improvements of the company products as part of the R&D department.
  • - Development of a MV* architecture.
  • - Integration of social networks inside a multichannel platform.
  • - Implementation of a workflow engine in a Java application.
AngularJS
HTML
CSS
Mocha
Facebook API
Twitter API
Yammer API
Java
Oracle
Activiti
Alfresco
English

Recommendations

I've worked with Elena for over two years, and in that time she's become one of the most dependable engineers across the teams in our domain.

What stands out most about Elena is how she operates under pressure. We work in an environment with aggressive timelines (that's just the reality of our domain) and Elena is the person who keeps a clear head when others are scrambling. She doesn't just survive the crunch; she makes better architectural decisions in it. More than once, a call she made during a tight delivery window ended up saving the team significant rework down the line.

Her technical range is real. She is deeply skilled in frontend engineering, but her thinking doesn't stop there. She has a strong grasp of observability and system design, which means her contributions have impact well beyond the UI layer. She has also been proactive about integrating AI into the team's ways of working, in a practical way that actually changed how the team operates day to day.

But honestly, what makes Elena valuable isn't just her skills. It's that she takes ownership of outcomes, not just tasks. She's a great teammate, the kind of person who lifts the people around her without making it a thing. That combination of technical depth, calm under pressure, and genuine ownership is rare.

Whoever brings Elena onto their team is getting someone who will make that team better.

Monica

Senior Engineering Manager at Decathlon on 05.2026

1 / 4

Side projects

Personal Portfolio

2023

Designed and developed a website to showcase my portfolio. Development of a chatbot empowered by OpenAI to provide intelligent responses and natural conversations.

Next.js
Typescript
Tailwind CSS
Vercel
WCAG
OpenAI API

Architecture and interior design studio

2021

Design and development of a professional architecture and interior design website. The development was designed to enable the owner to update content through the CMS, while also offering the flexibility to operate it as a headless system, facilitating integration with modern frameworks.

Next.js
Typescript
Tailwind CSS
GraphQL
Wordpress
Web hosting
WCAG

Art curator

2020

Design and development of an art curator portfolio. The development was design to allow the owner to update the content through the CMS but with the flexibility of using it as a headless in order to allow the development with modern frameworks.

Next.js
Typescript
Tailwind CSS
GraphQL
Wordpress
Web hosting
WCAG

Scout association

2019

Redesigned and developed the WordPress theme for an association. The owner manages content primarily to share the latest news and events associated with the organization.

PHP
Wordpress
Bootstrap
Web hosting

Courses

Developing Accessible Web Interfaces

November 2025

Warren Walter

Datadog

June 2025

Datadog

Google Cloud Fundamentals

March 2025

Nordcloud

Learn Performance

February 2025

web.dev

Introduction to Web Accessibility

January 2024

edX

GraphQL course

November 2021

Udemy Online Course

React Native course

October 2021

Udemy Online Course

NuxtJS course

September 2021

Mastering Nuxt Online Course

Vue and Vuex course

March 2020

Vue Mastery Online Course

Wordpress Development

December 2019

Udemy Online Course

From the idea to the product

April 2019

Workshop

Create an interactive prototype

April 2019

Workshop

Angular7+

January 2019

Udemy Online Course

ReactJS

December 2017

Udemy Online Course

Frontend Trainer

July 2017

Delivering trainings

Web development

June 2014

Online Course

Education

  • Master in IoT, Domotics and Smart Cities

    2016 - 2017

    Salamanca University (Spain)

  • Erasmus Program

    2013 - 2014

    Technische Universität Dresde (Germany)

  • Bachelor Degree in Industrial Engineering

    2010 - 2015

    Malaga University (Spain)

Languages

  • Spanish

    Native

  • English

    Professional

  • Portuguese

    Elementary

  • German, Dutch

    Beginner