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.Lead E2E Product & Service Development, maximizing customer satisfaction and cost efficiency through end-to-end service evaluation and operations improvement plans.Key Responsibilities:Requirements AnalysisDesign and DocumentationCode Development and System ConfigurationUnit TestingIntegration TestingInstallation Review in Different Environment StagesUAT TestingLevel 3 Support / Corrective ActionsTraining and Support for Operational GroupsPlan, 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.Understanding of system design principlesUnderstanding of microservice-based architecturesDevelopment and Programming skillsOther 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.Knowledge in Red Hat JBoss Fuse Enterprise Service Bus (ESB)Familiarity with version control systems, specifically GIT & GITHUBAgile Methodologies: Experience working in agile environments (SCRUM, Kanban) and in the use of tools such as JIRAAPI Development: Familiar with creating and consuming RESTful and / or SOAP APIsTesting and Debugging: Ability to perform unit testing, integration testing and code debuggingSecurity: Basic knowledge of security practices in software developmentDevelopment tools: Familiar with development tools like Visual Studio, Eclipse, etc.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.Ability to work in a teamAbility to react and make decisions in complex situationsFlexibility and responsibility to meet objectivesAbility to negotiate with different areasSkill in managing user relationshipsTolerance to change3 - 5 years of experience in JavaDesirable: Grade in Telecommunications or Computing and other IT degrees.#J-18808-Ljbffr