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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Python Developer - Data Analyst - **Company:** T-Systems Iberia - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Data Analysis, Automation of Tests, Databases, Python (Programming Language), MATLAB, Software Maintenance, Power BI, System Testing, Web Services, Data Processing, Git, Powerquery, Api Design, Docker - **Published:** September 16, 2026 - **Apply:** https://www.buscojobs.com.es/python-developer-data-analyst-m-f-d-en-madrid-ID-370576984 ## About the Role Qualifications Skills requirements: Developer/SW Engineer with a background in data analysis: Very good knowledge of Python. Very good knowledge in the development of web services / (REST) API design. Experience with databases and ORMs. Proficiency in Git. Basic knowledge of Docker. Basic knowledge ofElastic Search. Nice to have skills for the developer with a background in data analysis Good knowledge of PowerBI. Good knowledge of mass data processing with PowerQuery. Good knowledge of creating measures and columns with DAX. Experience in mobile planning. ## Description T?Systems is part of the Deutsche Telekom Group, with around ****** employees worldwide.We create technology with purpose to generate a positive impact on society.We are looking for curious talent, eager to learn, take on challenges, and contribute ideas that transform our customers' experience.We trust people: we offer autonomy, continuous support, and a collaborative environment where you can grow without limits.We are one global team, guided by respect, integrity, and a passion for doing better every day.Job Description Project description: We are looking to staff a small, internal team for the development, integration and operation of new services to support mobile planning processes.Three projects are currently underway in this area, namely PreHCM NewMobile, FNP Cockpit and freiHEIGHT, in which IT solution designs have already been created and requirements specified, which are now to be implemented.PreHCM NewMobile is the replacement of an existing, monolithic application in which parameter registrations for mobile radio sites at the Federal Network Agency were previously coordinated by e-mail and are now to run automatically via M2M interfaces.FNP Cockpit is currently a PowerBI solution whose current architecture and data provision are problematic and is therefore to be completely rewritten in a service-orientated way to fit better into the environment.FreiHEIGHT is currently a Matlab application that helps to analyse security reserves at mobile radio sites.This is also to be completely rewritten in a service-orientated way and integrated into the processes.Developing/improving software for complex products and services throughout the entire development process (life cycle).Clarifying requirements; devising concepts and general specifications for modifying software for complex products and services.Carrying out the relevant programming work (coding).Preparing and maintaining software documentation.Designing and defining system tests and test automation.Installing and configuring the software for complex products and services.Supporting team members during the fault analysis and up until fault clearance.Providing technical last-level support also to other teams for the systems and services managed.Managing complex projects.Qualifications Skills requirements: Developer/SW Engineer with a background in data analysis:Very good knowledge of Python.Very good knowledge in the development of web services / (REST) API design.Experience with databases and ORMs.Proficiency in Git.Basic knowledge of Docker.Basic knowledge ofElastic Search.Nice to haveskills for the developer with a background in data analysisGood knowledge of PowerBI.Good knowledge of mass data processing with PowerQuery.Good knowledge of creating measures and columns with DAX.Experience in mobile planning.Additional Information What do we offer you?T-Social: socialinitiatives(sports,community,health, ...)Hybridworkmodel(remote/on-site)FlexibleworkinghoursGrowth&developmentWeeklylanguageclasses(English & German)InternationalMentoringSessions&ExperienceDaysFlexiblecompensationplan (healthinsurance,mealvouchers,childcare,transport)SocialfundWellbeing& time off26+workingdaysofvacationperyear#J-*****-Ljbffr ## Related Videos - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) ## Related Articles - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [The 13 Best Python Libraries for Developers in 2025](https://www.wearedevelopers.com/magazine/371-the-13-best-python-libraries-for-developers-in-2025) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)