TALENT HUNTERS - Software Engineer

Date: 28 May 2023

Location: MADRID, ES

Company: Telefonica S.A.

Job description 

Software engineer with at least 3 years of experience.

Area description 
The CTO-Novum group builds and operates the main application for Telefónica customers worldwide reaching more than 30 million active users. We work to build new and innovative products and to ease the access to all the services that Telefónica offers.

Our mission is to guide our customers along their lifecycle, by being the center of the digital relationship with Telefónica

Main duties & responsibilities 

  • High-quality design of product and infrastructure components for maintainability, robustness and scalability.
  • Development of software components in the language most appropriate to the problem. The main languages in use are Java, PHP and Javascript, but there are multiple other ones.
  • Writing and maintaining effective automated test suites for delivered components.
  • Defining and collecting relevant data for tracking component health and performance.
  • Working together with Site Reliability Engineers to deploy components and monitor them.
  • Integration into a team using modern software engineering approaches and agile methodologies.

Education required 
Computer Science, Telecommunication Engineer, etc.

Specific skills 

  • Extensive knowledge of object-oriented programming and software architecture.
  • Strong will to adhere to best practices in software development and a need to leave well-structured code in your tracks.
  • Knowledge of relational databases (MySQL) and other approaches to data management.
  • Strong analytical and problem-solving skills.

Technical knowledge
Nice to have:

  • Frontend: ES6 (EcmaScript 6), React, Redux, npm, yarn
  • Backend: Java & Kotlin, Retrofit REST client, JAX-RS (Jersey) REST server, Dependency injection systems (Guice), Experience with unit/integration testing (JUnit/Spock)
  • Automated build tools: Maven, Docker and Kubernetes
  • Tools: Git; metrics and log tools as Graphite, Grafana and Kibana

Professional experience 
3+ years of experience

Fluent English


If you join Telefónica

You join almost 100 years of history, you join a team of 106 nationalities present in more tan 35 countries. You join a team that works to connect people wherever they are. We are leading the digital revolution with the enthusiasm of the first day in all our businesses, creating the best digital ecosystem for our clients: network, IoT, cloud, security, innovation etc. Here, at Telefónica you count with everything you need to be the best you. We need people like you that wants to take this challenge of creating the Telefónica of tomorrow.

Telefonica is committed to the new working ways. Under our proposition “Disconnect to Reconnect” we have applied the Digital Disconnection.



We strongly believe diverse and inclusive teams become more innovative and they achieve improved results. Telefonica aims to promote and guarantee a place for everyone, just the way we are: gender, age range, sexual orientation and/or identity, culture, creed, disability or any other personal condition.