€18k
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92,000+ live jobsMultiplatform Software Developer
On-site in Madrid·Added today (last checked 27 Oct)
Our summary
- Salary
- €31,470 a year
About €2,010 a month after tax.
- Work mode
- On-site, Madrid
- Education
- University degree



Visa options
The ad doesn’t mention sponsorship
Not a refusal, but not a yes. Worth asking in your first message.
Skills
This job advert was originally written in Spanish.
Requirements
What we're looking for
- University degree in Computer Engineering, Software Engineering, or equivalent degrees related to software development.
- Experience in mobile and desktop application development.
- Knowledge of development for iOS, Android, Windows, and macOS.
- Proficiency in at least one of these languages: C#, Java, Kotlin, Swift, or JavaScript.
- Knowledge of REST APIs, databases, and version control (Git).
Nice to have
- We will especially value:
- Experience in multiplatform development (MAUI, Flutter, React Native, or similar technologies).
- Knowledge of digital accessibility.
- Experience in publishing and maintaining applications on the App Store, Google Play, or other channels.
- Analytical capacity, initiative, teamwork, and results orientation.
- Interest in innovation and continuous learning.
Pay & benefits
What you'll get
- Indicative annual salary: €31,470.32 gross.
- Joining a work environment committed to technological innovation and accessibility.
The role
Would you like to develop accessible technology that helps improve the lives of thousands of people?
The Center for Blind Technology and Innovation (CTI) of ONCE is looking to temporarily hire a Multiplatform Software Developer, an opportunity to be part of a team specialized in technology, accessibility, and innovation.
If you are passionate about application development and want to contribute to creating accessible technological solutions for blind or visually impaired people, we would love to meet you.
What you'll do
Participate in the design, development, maintenance, and evolution of software applications for different platforms, guaranteeing their quality, performance, security, and accessibility.
- Development and maintenance of applications for iOS, Android, Windows, and macOS.
- Design and implementation of new functionalities and evolutionary improvements.
- Integration with web services, APIs, and databases.
- Resolution of incidents and optimization of application performance.
- Participation in the analysis of functional and technical requirements.
- Carrying out testing, debugging, and software validation.
- Preparation of technical documentation.
- Collaborative work with design, consulting, quality, and support teams.
- Application of best practices in development, accessibility, security, and usability.
Why is this opportunity different
Because you will not only develop software. You will contribute to creating products and services that facilitate the autonomy, inclusion, and participation of blind or visually impaired people in their daily lives.
If you believe this challenge fits you or you know someone who might be interested, we will be delighted to receive your application.
About ONCE
ONCE (Organización Nacional de Ciegos Españoles) is a Spanish public-law corporation and social services organization dedicated to the social inclusion and integration of people with visual disabilities. Founded in 1938, it operates as a non-profit entity funded largely through its own lottery and gaming operations, making it one of the largest employers in Spain with over 20,000 employees. The organization provides comprehensive services including education, employment, and accessibility solutions for blind and visually impaired people across the country.
ONCE has a strong presence throughout Spain, with its headquarters in Madrid and a network of offices and services across the country. For international professionals, ONCE offers a unique opportunity to work in a mission-driven organization with a strong social impact, contributing to the inclusion of people with disabilities. The organization is known for its inclusive and supportive work culture, and its roles in Spain often require Spanish language proficiency, making it an attractive option for those looking to integrate into Spanish society.
- Industry
- Social Services
- Founded
- 1938
- Employees
- 20,000–25,000
- Headquarters
- Madrid, Spain
- In Spain
- Madrid
Good to know if you are moving
- ONCE is a Spanish social enterprise, so working there means being part of a unique and impactful mission that goes beyond typical corporate goals.
- The organization is known for its strong commitment to accessibility and inclusion, which can be a valuable learning experience for international professionals.
- While many roles may require Spanish, the organization's diverse operations (lottery, retail, services) may offer opportunities for various professional profiles.
- As a large, stable employer in Spain, ONCE offers long-term employment prospects and a well-established work environment.
- The organization's social mission and non-profit status can be appealing for professionals seeking purpose-driven work.
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