Lead Senior Backend Engineer (m/f/d)

At T-Systems, we lead the charge in technological innovation, providing cutting-edge solutions across various sectors such as automotive, healthcare, and public services. Our AI Foundation Services team is dedicated to creating the platform infrastructure that supports AI inference at scale, including API gateways, authentication, billing, and multi-tenant s…

Role overview T-Systems Iberia is searching for a Senior or Staff Backend Engineer to join the team in Granada. The role centers on building scalable backend applications that help meet business objectives and support client requirements. Expect a mix of hands-on development and close teamwork with colleagues from a variety of specialties. What you will do Develop and maintain backend systems that power business-critical applications Collaborate with cross-functional teams to design and implement technical solutions Share expertise to strengthen architecture, performance, and reliability Support ongoing projects as business needs change Location This role is based onsite in Granada.

Role Overview T-Systems Iberia is seeking a Senior Platform Engineering Architect to design and implement scalable platform solutions. This role shapes engineering practices and steers project teams toward outcomes that reflect company strategy. What You Will Do Design and implement platform solutions built for scale and reliability. Guide project teams, sharing expertise and ensuring alignment with engineering standards. Work closely with cross-functional teams to optimize system performance and maintain high quality. Locations Positions are available in Reus, Granada, Sevilla, Gijón, Valencia, or A Coruña.

Location: Reus, Granada, Sevilla, Gijón, Valencia or A Coruña.Key Responsibilities:Design, develop, and deploy AI and Machine Learning solutions tailored for production environments.Implement and maintain MLOps pipelines covering training, validation, versioning, deployment, and model monitoring.Collaborate with Data Scientists to turn prototypes and notebooks into robust, scalable, and maintainable solutions.Develop services and APIs for AI model consumption within applications and business processes.Ensure code quality by applying software engineering principles (testing, modularity, documentation).Automate model and AI component deployments using CI/CD methodologies.Implement model monitoring mechanisms (performance, drift, data quality).Integrate AI solutions with data platforms and cloud systems.Participate in defining technical standards, best practices, and AI solution architecture.Work in agile environments, collaborating closely with multidisciplinary teams.

T-Systems Iberia is looking for an Expert Data Engineer to join its teams in Granada, Sevilla, Reus, Valencia, or A Coruña. The role centers on developing and maintaining data solutions that help drive business insights and improve performance. Key responsibilities Design, build, and maintain data pipelines and data architectures Work closely with colleagues from different departments to deliver dependable data products Use modern data technologies to support analytics and business decision-making Work locations Granada Sevilla Reus Valencia A Coruña

About the Role T-Systems Iberia is looking for an Angular Frontend Software Engineer to join the team in Granada. This role focuses on building web applications with Angular, creating responsive and dynamic user interfaces that perform well and look polished. What You Will Do Develop web applications using Angular Design and implement user interfaces that are both dynamic and responsive Work with cross-functional teams throughout the development process Write efficient, reusable, and reliable code Help maintain application performance and quality

About the Role T-Systems Iberia is hiring a Data Engineer with a focus on Google Cloud Platform (GCP) and SAP technologies. This position is based in Granada. What You Will Do Work with teams across different functions to design and build data solutions on GCP and SAP platforms. Implement and optimize data pipelines to maintain reliable data flow and availability. Support data-driven decision-making by ensuring high-quality, accessible data. Contribute to improving operational efficiency through effective data engineering practices. Location Granada

Join our dynamic team as a FullStack Software Engineer specializing in Java and Angular. In this role, you will design, implement, and maintain innovative back-end and front-end solutions, tackling various business challenges. Leveraging your skills in Java, the Spring ecosystem, PostgreSQL, Angular, TypeScript, Docker, and Kubernetes, you will collaborate closely with our product owner and cross-functional teams to understand their requirements. Your expertise will be pivotal in enhancing our products and services, optimizing customer experiences, and boosting operational efficiency.You will be responsible for creating software solution designs and managing their documentation.You will establish standards for system testing and test automation while overseeing the installation and configuration of software for complex products and services.You will assist team members during error analysis and correction, providing technical support for the products and services you support.Collaborate with international teams and have the opportunity to lead strategically significant projects.

Join our innovative team at IoT Hub, a leading IoT platform integrator, as a Quality Assurance Automation Engineer. This position is an excellent opportunity for both seasoned Automation Engineers and Manual QA Engineers looking to transition into the realm of test automation.Responsibilities:• Maintain and enhance existing automated tests (UI and API) while developing new ones.• Play a crucial role in refining our test framework and testing pipeline.• Conduct manual testing for UI and API components.• Ensure the quality of the released product across all stages of the software development lifecycle.

T-Systems Iberia is seeking a DevOps Engineer (m/f/d) to help advance software development and deployment practices in Granada. This position centers on supporting teams as they deliver applications and maintain reliable systems. What you will do Automate workflows to reduce manual steps and improve efficiency Manage and optimize CI/CD pipelines to support frequent, dependable releases Work closely with colleagues from various disciplines to streamline operations Contribute to efforts that enhance system reliability and performance Who we’re looking for Interest in technology and process improvement Motivation to support innovation and operational excellence Comfort working with cross-functional teams This role focuses on continuous improvement in a collaborative setting, with the goal of making application delivery smoother and more reliable.

Project Overview:Join Deutsche Telekom Technik's Digital Business (DBIZ) team, where we pioneer the development of scalable GenAI and agentic AI solutions across Telekom's technical domains. Our projects span fiber rollout, construction supervision, regulatory processes, and multi-agent systems with intricate network data access.As part of our internal GenAI platform, T-GAIA, we provide essential tools like LLM endpoints, RAG chatbots, and agentic frameworks (LangGraph, LangChain, MCP), along with comprehensive applications such as TextmAIner, AI@Behördenkommunikation, FiberChatbot, and the multi-agent system “00Site”. Our core mission is to facilitate AI-driven transformations that enhance technology and securely scale productive AI solutions in collaboration with domain experts.Role Summary:We are in search of a proactive DevOps Engineer to become a vital part of our team, focusing on the operation and ongoing enhancement of our T-GAIA Chatbot Framework and associated Chatbots. This position encompasses both administrative and technical responsibilities, ensuring seamless operations, monitoring system performance, and implementing improvements to enhance application reliability and accuracy.Key Responsibilities:Configure, troubleshoot, and deploy T-GAIA Chatbots as a cloud service alongside other GenAI products and enablers.Maintain and oversee the Chatbots and their underlying frameworks and pipelines.Ensure compliance with SLA levels for the Chatbots, particularly concerning capacity and performance.Oversee SLA adherence for the T-GAIA platform.Document current operational statuses comprehensively.Support Incident, Problem, and Change Management processes to ensure smooth operations.Enhance the monitoring and alerting capabilities of the T-GAIA Framework and deployed Chatbots.Assist internal customers by resolving Service Desk Tickets.Deploy and manage use cases utilizing GitLab pipelines.Conduct administrative tasks including user management and technical tasks such as network configuration, IaC deployment, and service monitoring.Establish and maintain the Jira Service Desk and internal Wiki/documentation systems.Manage internal customer communications, including updates and roadmap discussions.Assist with MS Azure Cloud tooling and pipelines (deployment, monitoring, logging, security, IAM).Develop foundational operational standards for hosting and support (e.g., SLAs, alerts, coverage).Perform quality assurance checks for billing accuracy, security, and compliance.Gather internal requirements for Platform and Chatbot Operations and coordinate discussions with CCOE.

T-Systems Iberia is looking for a Security Engineer to join the team in Granada. This role centers on protecting digital assets and keeping the company's infrastructure secure. The Security Engineer will play a key part in spotting vulnerabilities, setting up security measures, and keeping a watchful eye on systems to defend against cyber threats. Key responsibilities Identify and assess potential security vulnerabilities Implement security controls and measures Monitor systems for suspicious activity or threats Support efforts to strengthen overall cybersecurity What we look for The team values a proactive approach and genuine interest in cybersecurity. The ideal candidate is ready to help build a safer digital environment at T-Systems Iberia.

Join our innovative team dedicated to developing cutting-edge Data Analytics and AI Use Cases for Deutsche Telekom's Network Control Platform in Germany (AAA Fixed Net Germany). You'll play a pivotal role in the design and advancement of our real-time data processing pipeline, operating on an on-premises Kubernetes platform.As a Data Engineer, you will oversee the complete lifecycle and continuous enhancement of our data processing pipelines. Collaborating closely with Data Scientists and DevOps Engineers, you will also engage with various internal teams, customers, and external suppliers.Key Responsibilities:Manage the full lifecycle of a real-time data processing pipeline.Develop and optimize data pipelines (ETL).Integrate new data sources seamlessly.Implement innovative technologies and tools to boost data processing capabilities.Operate within Kubernetes environments for implementation and maintenance.Ensure 24/7 system monitoring and maintenance for uninterrupted availability.Oversee rollout management throughout the application lifecycle, adhering to ITIL and corporate processes (Incident/problem/change management).Work collaboratively with Data Scientists and internal customers.Be prepared for occasional on-call duties outside of regular working hours.

Join our dynamic team as a Cloud Engineer specializing in T-Cloud Public. In this exciting role, you will leverage your expertise in cloud technologies to design, implement, and maintain innovative cloud solutions that meet the evolving needs of our clients.As a key member of our team, you will collaborate with stakeholders to ensure the successful deployment and performance of cloud services. Your technical acumen will be vital in troubleshooting issues and optimizing cloud infrastructure for maximum efficiency.

Join our dynamic team as a Backend Developer specializing in the healthcare sector. In this crucial role, you will develop robust backend systems that enhance healthcare delivery and improve patient outcomes. Collaborate with cross-functional teams to design and implement scalable solutions that meet the evolving needs of our clients.

We are seeking a highly skilled Senior Product Owner to join our dynamic team at T-Systems Iberia in Granada. As a Senior Product Owner, you will play a pivotal role in driving product vision and strategy, collaborating with cross-functional teams to deliver innovative cloud solutions. Your expertise will guide the development of our public cloud offerings, ensuring they meet customer needs and align with market trends.If you are passionate about technology and eager to make a significant impact in the cloud industry, we encourage you to apply!

Join our dynamic team as a Cloud Engineer focusing on T-Cloud Public solutions. You will be instrumental in designing, implementing, and maintaining cloud-based services that drive our clients' digital transformation. Your expertise will help ensure optimal performance, security, and scalability of our cloud infrastructure.We are looking for a passionate individual with a strong background in cloud technologies, who thrives in a collaborative environment and is eager to tackle complex challenges.

Join our dynamic team as a Security Engineer where you will play a pivotal role in safeguarding our digital infrastructure. As a key member of our security team, you will be responsible for implementing and maintaining security protocols, conducting risk assessments, and ensuring compliance with industry standards.

Join the Manta Test Automation for Radio Access Network (RAN) project, where we strive to enhance the quality of mobile networks through comprehensive end-to-end device testing in 4G and 5G environments. We focus on automated regression testing across various RAN vendors, ensuring that our solutions are at the forefront of technology.The Mobile RAN Testcase Automation (MANTA) solution delivers efficient automated regression testing, enabling swift execution whenever software, features, or hardware changes occur within the RAN network. All test cases and code are meticulously managed within the Magenta CI/CD infrastructure. The test execution process is facilitated by GitLab pipeline runners, which initiate test case jobs on OMCs and Radio Nodes via CLI commands or on the Test Automation Framework (TAF) platform for in-depth User Equipment (UE) performance assessments. This structured approach guarantees repeatability, scalability, and seamless integration into contemporary DevOps workflows.With a strong emphasis on automation, MANTA accelerates validation cycles, enhancing deployment quality and operational efficiency. The project fosters robust collaboration with RAN vendors, ensuring resilient and future-ready mobile network deployments.

Role overview T-Systems Iberia seeks an EPC Gateway DevOps Engineer for its Granada office. The position centers on enhancing infrastructure and ensuring reliable operations throughout the company. Main responsibilities Apply DevOps methods to assist both development and operations teams Refine and maintain CI/CD pipelines to improve efficiency and dependability Oversee system performance, focusing on reliability and scalability Collaborate with colleagues from various departments to implement practical solutions Location This role is located in Granada.