JAVA BACKEND DEVELOPER

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Fecha: 24 ene 2025

Ubicación: MADRID, ES

Empresa: Telefónica

JAVA BACKEND DEVELOPER

Area Description:

Telefonica Global Solutions (TGS) manages the global business units for Multinationals, Wholesale and Roaming. TGS specializes in delivering a comprehensive range of integrated fixed, mobile and IT services to some of the world’s leading multinationals and corporations. It also provides global telecommunication services for fixed and mobile carriers, ISPs and content providers. As part of TGS, the Service Digitalization area is responsible for implementing new services and products, as well as evolving existing ones within TGS portfolio

Mision & Vision:

Lead E2E Product & Service Development , maximizing customer satisfaction and cost efficiency through end to end service evaluation and operations improvement plans

Main Duties & Responsibilities:

You will join the development team and actively participate in the development and maintenance of the products and services within your scope. Your primary development language will be Java, but you will also work with other languages as needed. Over time, you will transition into a functional analyst role, taking on responsibility for the technical development of the products or services within your scope. You must ensure that the technical specifications meet both commercial and operational requirements

In general, your functions will be:

• Requirements Analysis
• Design and Documentation
• Code Development and System Configuration
• Unit Testing
• Integration Testing
• Installation Review in Different Environment Stages
• UAT Testing
• Level 3 Support / Corrective Actions
• Training and Support for Operational Groups
  
  

Challenges:

• Plan, control and follow-up of developments requested by internal/external Clients as well as lifecycle management.
• Team engagement with other colleagues in B2B Customer Service & Operations (Global Network & Platforms, IT, Global Architecture Transformation &Customer Experience) and Multinational Business Unit (Product Marketing, Presales/Sales…)
• End to end Quality management of the Service development lifecycle.
  
  

Technicall Skills:

• Understanding of system design principles
• Understanding of microservice-based arquitectures
• Development and Programming skills:
• Java programming language: java/J2EE, Java SE, Java EE, Javascript, etc
• Other programming languages : python, Other scripting languages will be valued.
• Basic Integration competence with: Web Services, Rest API, XSD, XSLT, XML, JSON
• Knowledge on AWS Ecosystem, specifically S3, Spark, Glue and Lambda programming will be valued
• Database development skills, specifically SQL language will be valued
• Data structures and algorithms.
• Framework and Methodology:
• Knowledge in Red Hat JBoss Fuse Enterprise Service Bus (ESB)
• Familiarity with version control systems , specifically GIT & GITHUB
• Agile Methodologies: Experience working in agile environments (SCRUM, Kanban) and in the use of tools such as JIRA
• API Development: Familiar with creating and consuming RESTful and/or SOAP APIs
• Testing and Debugging: Ability to preform unit testing, integration testing and code debugging
• Security: Basic knowledge of security practices in software development
• Development tools: Familiar with development tools like Visual Studio, Eclipse,..
• Documentation: skills to clearly document and communicate technical requirements and solutions.
• .
• Knowledge in software deployment, release management, Software packaging, testing & integration..
• Knowledge on the following topics is desirable:
• Connectivity & Security services: MPLS, SD-WAN, SDN/NFV,vFW, vRouter…
• Mobile & Unified Comms services: MSFT Teams, Zoom, Cisco UCC Suite and others.
• Voice services: Transit, Termination, and VoIP managed services.
• Telecoms and IT Services Knowledge, with special focus in Voice, Cloud UCC, IoT, Mobile and Messaging services.
  
  

Specific Skills Required:

• Ability to work in a team
• Ability to react and make decisions in complex situations
• Flexibility and responsibility to meet objectives
• Ability to negotiate with different areas
• Skill in managing user relationships
• Strong communication skills
• Tolerance to change
  
  

Experience:

• 3 - 5 years of experience in Java
  
  

Education:

• (Desirable) grade in Telecomunications or Computing and other IT degrees.
  
  

Lenguages:

• Intermediate English (B2)
• Español C1
  
  

Cuando te unes a Telefónica

Te unes a casi 100 años de historia, un equipo de 106 nacionalidades presentes en más de 35 países. Te unes a un equipo que trabaja por conectar a las personas allá dónde estén, sin fronteras. Un equipo que está liderando la revolución digital con la ilusión del primer día en todos nuestros negocios, creando el mejor ecosistema digital para nuestros clientes: Red, IoT, Cloud, Ciberseguridad, Innovación etc. En Telefónica tienes todo lo que necesitas para crear la mejor versión de ti mismo. Necesitamos gente como tú que se sume a este gran reto, que quiera crear la Telefónica del mañana.

En Telefónica apostamos por las nuevas formas de trabajo y somos líderes en la implementación de la Desconexión Digital bajo el principio “Desconecta para Reconectar”.

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