Support & Downloads

Quisque actraqum nunc no dolor sit ametaugue dolor. Lorem ipsum dolor sit amet, consyect etur adipiscing elit.

s f

Contact Info
198 West 21th Street, Suite 721
New York, NY 10010
+88 (0) 101 0000 000

Senior Software Developer (H/M) – Madrid


Important leading company in the real estate sector is looking for you! From Selecta Digital we are helping them to promote the best talent for their team: we are looking for an Senior Software Developer in Madrid, with knowledge about Javascript technologies and Amazon serveless and cloud architectures, with at least 6 years of experience.  

The company provides information and real estate knowledge of office buildings, commercial premises, warehouses and other investment properties to real estate professionals to help them develop their activity more efficiently in this complex environment.


The team that is part of the recognized multinational company has a high commitment and great capacity focused on product and customer service excellence, working with total integrity. Customer focus provides the most advanced technology and access to the largest database in our industry.


You will join to international and high technical level team, with responsibilities and objetives on a local and global projects. Key responsibilities include the following:

– Maintain the business Web platforms code, solving bugs.

– Develop the new features according to improvements planning and CoStar best practices.

– Test and document the new features developed.

– Participate in global and international software projects of the company.


– Acquire knowledge about the current platform architecture and code.

– Integrate in the actual and future team, with a high collaborative attitude.

– Participate in Belbex products improvements and maintenance.

– Participate in global software projects.


We know the great learning capacity that professional profiles like yours have, and the flexibility and predisposition when it comes to learning new languages and digital tools. For this reason, we have an open and flexible attitude on this point. Likewise, we consider that the fundamental basis of the position requires:

-Experience with modern JavaScript frameworks and libraries.

– Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Proven competence in object oriented design and development.

– Knowledge of ReactJSRedux and NodeJS, and its core principles.

– Familiarity with newer specifications of EcmaScript

– Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

– Experience using UI performance optimization tools.

– Familiarity with code versioning tools such as Git.

– Web and REST Services.

– Previous experience in development with Amazon Web Services, in a production environment, and the products involved (IAM, OpenSearch, Dynamo DB, Aurora DB, SNS, etc).

– Experience with serverless architectures, AWS Lambda and API Gateway, with applications in production.

– Knowledge of serverless related tools, as Terraform.

– HTML and CSS 2.0/3.0.

– Previous experience in .NET development in professional and production web environments. Domain of C# language.

– A good level of spoken and written English

– Social, responsible and has attention to detail

– Task and results oriented


– Professional knowledge about OpenSearch.

– Experience working with Dockers and Kubernetes.

– Experience with automation testing tools like Cypress and Selenium.

– Knowledge of internationalized web applications.

– Third-party products interfaces.

-SEO and SEM knowledge


You will be part of a leading international group in the sector, in expansion phase and with an ambitious growth project, which has excellent professionals who work as a team to achieve the common objectives of the company. And also:

– Place to work: The offices are located in the center of Madrid.Possibility of teleworking 1 day.

– Timetable: Flexible. Most of the team is organises as a continuos working day, 8.00 am to 5.00 pm.

– Type of contract: Indefinite

Career plan defined from the beginning.

-Training plan adapted to your needs.


Apply or send an email with your CV to or contact in +34 617 22 56 32

Both Selecta and our clients are committed to equal opportunities and we do not discriminate on the basis of age, race, religion or sex.

Envíanos tus datos personales:

Nerea Sánchez 917 12 32 76

Datos personales

Hombre Mujer Ms
PDF, DOC, DOCX (max 20 MB)

Datos de contacto