What we work on. Our business areas | Deutsche Telekom Group
Our business areas
Insights from our colleagues
Insights into our impactful business projects
What is OneApp?
OneApp is a unified mobile platform for Deutsche Telekom's customer service across Europe, replacing multiple apps with a single solution for service management, payments, and personalized benefits.
What does it mean for you?
This project shows that within Telekom Group you are working on developing large-scale mobile applications with international impact.
The team is building a platform that integrates with national corporate backends via harmonized APIs, processing over 1 billion euros in payments. They are tackling technical challenges like creating a unified code base, secure payment systems, and personalized Al-driven features.
The project combines mobile development, API architecture, payment integration, and gamification elements, while maintaining a 4.5+ rating across all app stores and serving customers in 10 European countries.
What is OneApp?
OneApp is a unified mobile platform for Deutsche Telekom's customer service across Europe, replacing multiple apps with a single solution for service management, payments, and personalized benefits.
What does it mean for you?
This project shows that within Telekom Group you are working on developing large-scale mobile applications with international impact.
The team is building a platform that integrates with national corporate backends via harmonized APIs, processing over 1 billion euros in payments. They are tackling technical challenges like creating a unified code base, secure payment systems, and personalized Al-driven features.
The project combines mobile development, API architecture, payment integration, and gamification elements, while maintaining a 4.5+ rating across all app stores and serving customers in 10 European countries.
What is OneBroadband?
A cloud-native IoT solution integrates router management into Deutsche Telekom's OneApp, allowing users to control WiFi, manage mesh networks, and optimize home connectivity through a single interface.
What does it mean for you?
Join us in tackling a complex distributed systems challenge. Our teams manage an ecosystem linking millions of routers across Europe to our backend systems, ensuring 24/7 uptime.
Technical highlights include implementing cloud-native architectures, real-time telemetry processing, and integration with multiple vendor systems for features like mesh-WiFi capabilities and parental controls.
This project, which currently provides over 150,000 customers in several European countries with a seamless WiFi experience, is just one of the exciting areas of work in the group.
What is OneBroadband?
A cloud-native IoT solution integrates router management into Deutsche Telekom's OneApp, allowing users to control WiFi, manage mesh networks, and optimize home connectivity through a single interface.
What does it mean for you?
Join us in tackling a complex distributed systems challenge. Our teams manage an ecosystem linking millions of routers across Europe to our backend systems, ensuring 24/7 uptime.
Technical highlights include implementing cloud-native architectures, real-time telemetry processing, and integration with multiple vendor systems for features like mesh-WiFi capabilities and parental controls.
This project, which currently provides over 150,000 customers in several European countries with a seamless WiFi experience, is just one of the exciting areas of work in the group.
What is OneShop?
Deutsche Telekom's OneShop aims to revolutionize online shopping across Europe by upgrading legacy platforms to cutting-edge digital architectures for an exceptional e-commerce experience.
What does it mean for you?
Working on this product provides extensive experience in modern e-commerce architecture. Our teams use over 20 microservices to create a scalable, omnichannel platform with Progressive Web App (PWA) technology.
Technical challenges include implementing real-time analytics and monitoring, designing responsive interfaces for multiple breakpoints, and maintaining a multi-tenant architecture that serves different country requirements.
The project combines cloud-native development, API design and frontend optimization in handling large transactions in the European market. With OneShop, you have the chance to influence the digital experience of millions of customers across Europe.
What is OneShop?
Deutsche Telekom's OneShop aims to revolutionize online shopping across Europe by upgrading legacy platforms to cutting-edge digital architectures for an exceptional e-commerce experience.
What does it mean for you?
Working on this product provides extensive experience in modern e-commerce architecture. Our teams use over 20 microservices to create a scalable, omnichannel platform with Progressive Web App (PWA) technology.
Technical challenges include implementing real-time analytics and monitoring, designing responsive interfaces for multiple breakpoints, and maintaining a multi-tenant architecture that serves different country requirements.
The project combines cloud-native development, API design and frontend optimization in handling large transactions in the European market. With OneShop, you have the chance to influence the digital experience of millions of customers across Europe.
What is OneTV?
Telekom's OneTV provides a unified streaming platform for Deutsche Telekom's video entertainment across Europe, delivering OTT, IPTV, and DVB content to millions through a single code base.
What does it mean for you?
Are you looking for projects with complex challenges? Then take a closer look at our video streaming architecture.
The team develops and maintains more than 10 microservices that extend popular TV platforms with custom features and implement real-time content management systems and personalization features.
The project combines streaming technology, platform development and content delivery optimization while scaling to serve over 7 European countries via a unified technical infrastructure.
What is OneTV?
Telekom's OneTV provides a unified streaming platform for Deutsche Telekom's video entertainment across Europe, delivering OTT, IPTV, and DVB content to millions through a single code base.
What does it mean for you?
Are you looking for projects with complex challenges? Then take a closer look at our video streaming architecture.
The team develops and maintains more than 10 microservices that extend popular TV platforms with custom features and implement real-time content management systems and personalization features.
The project combines streaming technology, platform development and content delivery optimization while scaling to serve over 7 European countries via a unified technical infrastructure.
Shape the Future of Fintech at Deutsche Telekom!
Technology and financial services are merging rapidly, and Telekom Group is leading the way. Our Fintech teams create solutions for simpler, safer, and smarter payments, including digital wallets, embedded finance, and cashback programs, delivering modern financial technologies to those who need them most.
Lead the Innovation in Financial Technologies!
Product Managers define the vision for our Fintech products
prioritize features and
collaborate with cross-functional design and engineering teams
to bring ideas to life. Always keeping an eye on market trends, we create solutions that inspire millions of customers.
Join us in redefining the future of payments—powered by one of the world’s leading tech companies!
Shape the Future of Fintech at Deutsche Telekom!
Technology and financial services are merging rapidly, and Telekom Group is leading the way. Our Fintech teams create solutions for simpler, safer, and smarter payments, including digital wallets, embedded finance, and cashback programs, delivering modern financial technologies to those who need them most.
Lead the Innovation in Financial Technologies!
Product Managers define the vision for our Fintech products
prioritize features and
collaborate with cross-functional design and engineering teams
to bring ideas to life. Always keeping an eye on market trends, we create solutions that inspire millions of customers.
Join us in redefining the future of payments—powered by one of the world’s leading tech companies!
Telekom's Rapid Responders to Cyber Incidents
Deutsche Telekom's Cyber Emergency Response Team reacts swiftly to cyber incidents across the globe, protecting both our company and customers from internet threats. As the central contact point for security incidents, the team coordinates necessary actions and implements protective measures.
Our CERT specialists proactively identify and close security gaps, protect against cyberattacks, and ensure IT system stability for Telekom and its customers.
Key responsibilities include incident management, threat assessment, security advisory, audits and scanning. CERT partners with federal agencies and industry associations to stay ahead of emerging threats.
What does it mean for you?
For top tech talents passionate about cyber defense, CERT offers the opportunity to apply cutting-edge skills to safeguard critical infrastructure on a global scale.
Telekom's Rapid Responders to Cyber Incidents
Deutsche Telekom's Cyber Emergency Response Team reacts swiftly to cyber incidents across the globe, protecting both our company and customers from internet threats. As the central contact point for security incidents, the team coordinates necessary actions and implements protective measures.
Our CERT specialists proactively identify and close security gaps, protect against cyberattacks, and ensure IT system stability for Telekom and its customers.
Key responsibilities include incident management, threat assessment, security advisory, audits and scanning. CERT partners with federal agencies and industry associations to stay ahead of emerging threats.
What does it mean for you?
For top tech talents passionate about cyber defense, CERT offers the opportunity to apply cutting-edge skills to safeguard critical infrastructure on a global scale.
What is Magenta Security on Net?
Launched in 2025, Deutsche Telekom's revolutionary network-integrated security solution protects SIM card devices through telecom infrastructure, eliminating the need for extra security software and ensuring seamless protection both within the network and while roaming.
What does it mean for you?
With Magenta Security on Net you can be part of an exciting opportunity to redefine mobile security.
You'll use advanced SASE to bring zero-trust access and real-time content inspection to mobile networks.
Developers focus on seamless integration with network infrastructure, ensuring device compatibility and secure connectivity during roaming.
This technology secures IoT devices, presenting the challenge of creating security that is simple, robust, scalable, and adaptive to evolving threats.
What is Magenta Security on Net?
Launched in 2025, Deutsche Telekom's revolutionary network-integrated security solution protects SIM card devices through telecom infrastructure, eliminating the need for extra security software and ensuring seamless protection both within the network and while roaming.
What does it mean for you?
With Magenta Security on Net you can be part of an exciting opportunity to redefine mobile security.
You'll use advanced SASE to bring zero-trust access and real-time content inspection to mobile networks.
Developers focus on seamless integration with network infrastructure, ensuring device compatibility and secure connectivity during roaming.
This technology secures IoT devices, presenting the challenge of creating security that is simple, robust, scalable, and adaptive to evolving threats.
What is Engineering the Next-Gen Cloud-Native Network?
5G Standalone (5G SA) is the first mobile standard operating independently of 4G infrastructure. With its cloud-based core network, it offers: superior flexibility, efficiency, and enables applications previously impossible in traditional network environments.
What does it mean for you?
At Deutsche Telekom, infrastructure specialists tackle complex technical challenges in 5G SA development.
The project involves cloud engineering, network slicing architecture, and automated management systems to maintain sub-25ms latency and allocate network resources efficiently.
Tech talents work with cloud-native technologies, containerized network functions, and Al-based optimization for real-time management, offering the chance to engage with cutting-edge full-stack technologies that enhance connectivity for millions of users and businesses.
What is Engineering the Next-Gen Cloud-Native Network?
5G Standalone (5G SA) is the first mobile standard operating independently of 4G infrastructure. With its cloud-based core network, it offers: superior flexibility, efficiency, and enables applications previously impossible in traditional network environments.
What does it mean for you?
At Deutsche Telekom, infrastructure specialists tackle complex technical challenges in 5G SA development.
The project involves cloud engineering, network slicing architecture, and automated management systems to maintain sub-25ms latency and allocate network resources efficiently.
Tech talents work with cloud-native technologies, containerized network functions, and Al-based optimization for real-time management, offering the chance to engage with cutting-edge full-stack technologies that enhance connectivity for millions of users and businesses.
Lead the Next Wave of Innovation
Join a groundbreaking initiative with global telecom leaders to build a unified network API platform.
This project blends telecom infrastructure expertise with modern API development, empowering tech experts to shape digital services' future and drive industry-wide innovation.
Our teams work internationally to create globally consistent APIs, ensuring compatibility across diverse developer platforms.
Lead the Next Wave of Innovation
Join a groundbreaking initiative with global telecom leaders to build a unified network API platform.
This project blends telecom infrastructure expertise with modern API development, empowering tech experts to shape digital services' future and drive industry-wide innovation.
Our teams work internationally to create globally consistent APIs, ensuring compatibility across diverse developer platforms.
How we outsmart cyber attackers 24/7?
Deutsche Telekom's integrated Cyber Defense and Security Operations Center analyzes billions of security data points daily from thousands of sources. Operating 24/7, our experts provide immediate defense against evolving cyber threats.
What does it mean for you?
For tech talents, the SOC offers hands-on experience with cutting-edge security technologies in one of Europe's largest defense centers.
Join over 250 cybersecurity experts utilizing AI and machine learning to counter sophisticated threats in real-time. Our global network across 14 countries offers exposure to international security operations and diverse attack patterns.
You'll develop expertise in
threat intelligence
incident response, and
malware analysis
while protecting critical infrastructure for Deutsche Telekom and major corporate clients including DAX companies.
How we outsmart cyber attackers 24/7?
Deutsche Telekom's integrated Cyber Defense and Security Operations Center analyzes billions of security data points daily from thousands of sources. Operating 24/7, our experts provide immediate defense against evolving cyber threats.
What does it mean for you?
For tech talents, the SOC offers hands-on experience with cutting-edge security technologies in one of Europe's largest defense centers.
Join over 250 cybersecurity experts utilizing AI and machine learning to counter sophisticated threats in real-time. Our global network across 14 countries offers exposure to international security operations and diverse attack patterns.
You'll develop expertise in
threat intelligence
incident response, and
malware analysis
while protecting critical infrastructure for Deutsche Telekom and major corporate clients including DAX companies.
What is AI4Sales?
AI4Sales is a revolutionary digital companion that empowers our T-Systems sales teams to work smarter. This innovative solution combines an AI-driven sales assistant for instant portfolio expertise and an intelligent RFP copilot that transforms complex RFP documents into actionable concepts - allowing our sales reps to focus on what they do best: building valuable customer relationships.
What does it mean for you?
Experience the future of sales with AI4Sales, which streamlines administrative tasks for account managers, bid managers, and sales experts.
Join our team and leverage cutting-edge AI technology to focus on strategic customer engagement and business development, helping you achieve and exceed sales targets.
What is AI4Sales?
AI4Sales is a revolutionary digital companion that empowers our T-Systems sales teams to work smarter. This innovative solution combines an AI-driven sales assistant for instant portfolio expertise and an intelligent RFP copilot that transforms complex RFP documents into actionable concepts - allowing our sales reps to focus on what they do best: building valuable customer relationships.
What does it mean for you?
Experience the future of sales with AI4Sales, which streamlines administrative tasks for account managers, bid managers, and sales experts.
Join our team and leverage cutting-edge AI technology to focus on strategic customer engagement and business development, helping you achieve and exceed sales targets.
Innovative spaces
Deutsche Telekom and T-Mobile are transforming retail with award-winning flagship stores across Europe and the US. These innovative spaces blend cutting-edge design with regional elements, creating immersive customer experiences while emphasizing sustainability through recycled materials and green energy.
What does it mean for you?
Flagship stores serve as digital innovation hubs for tech-savvy sales professionals, fostering customer-technology interaction. You'll develop solutions to enhance sales performance, such as digital systems for improved conversion rates and interactive product demos.
These stores offer insights into customer behavior, allowing real-time optimization of sales strategies and driving business growth with cutting-edge technology that sets new standards in telecommunications retail.
Innovative spaces
Deutsche Telekom and T-Mobile are transforming retail with award-winning flagship stores across Europe and the US. These innovative spaces blend cutting-edge design with regional elements, creating immersive customer experiences while emphasizing sustainability through recycled materials and green energy.
What does it mean for you?
Flagship stores serve as digital innovation hubs for tech-savvy sales professionals, fostering customer-technology interaction. You'll develop solutions to enhance sales performance, such as digital systems for improved conversion rates and interactive product demos.
These stores offer insights into customer behavior, allowing real-time optimization of sales strategies and driving business growth with cutting-edge technology that sets new standards in telecommunications retail.
Magenta Advantage: Unified Loyalty Across Europe
Magenta Advantage was a strategic initiative designed to create a seamless, unified loyalty program across Europe, enhancing both customer experience and long-term loyalty. Successfully driving this project required a blend of skills:
Strong project management
Expertise in digital solutions
Strategic marketing
Effective stakeholder engagement
Close collaboration with partners was key to the project's success. By simplifying loyalty offerings and introducing personalized rewards, it boosted customer engagement and addressed retention and market competitiveness challenges.
What does it mean for you?
Candidates can boost the program with skills in digital innovation, customer experience design, and strategic marketing, using data insights for personalization to strengthen customer relationships and brand loyalty. Strong stakeholder management is crucial.
Magenta Advantage: Unified Loyalty Across Europe
Magenta Advantage was a strategic initiative designed to create a seamless, unified loyalty program across Europe, enhancing both customer experience and long-term loyalty. Successfully driving this project required a blend of skills:
Strong project management
Expertise in digital solutions
Strategic marketing
Effective stakeholder engagement
Close collaboration with partners was key to the project's success. By simplifying loyalty offerings and introducing personalized rewards, it boosted customer engagement and addressed retention and market competitiveness challenges.
What does it mean for you?
Candidates can boost the program with skills in digital innovation, customer experience design, and strategic marketing, using data insights for personalization to strengthen customer relationships and brand loyalty. Strong stakeholder management is crucial.
Our merchandise stores
Love Magenta and BeMagenta are more than merchandise stores; they embody our brand philosophy by connecting people through carefully curated fashion and accessories for employees and customers.
They bring our brand to life beyond products and technology, serving as emotional touchpoints. The focus is on sustainability, responsible production, recycling, and European manufacturing.
By collaborating with artists and well-known brands like Adidas, we create limited editions at fair prices and bring the service promise to life through fashion and lifestyle products.
Spread the Magenta lifestyle and turn our customers into passionate brand ambassadors!
Our merchandise stores
Love Magenta and BeMagenta are more than merchandise stores; they embody our brand philosophy by connecting people through carefully curated fashion and accessories for employees and customers.
They bring our brand to life beyond products and technology, serving as emotional touchpoints. The focus is on sustainability, responsible production, recycling, and European manufacturing.
By collaborating with artists and well-known brands like Adidas, we create limited editions at fair prices and bring the service promise to life through fashion and lifestyle products.
Spread the Magenta lifestyle and turn our customers into passionate brand ambassadors!
What is Frag Magenta?
Frag Magenta (Ask Magenta), our AI-powered digital assistant, is transforming the way we interact with our customers. What started as a simple chatbot now understands natural language and provides 24/7 support on more than 380 Sales & Service topics.
What does it mean for you?
Frag Magenta is a game changer for our service team agents. By independently handling a third of all inquiries, it frees up time for you to focus on more complex cases that require a human touch.
Working closely with our AI experts, UX designers and customer experience specialists, you have the unique opportunity to shape the future of customer service at Telekom.
Your insights will help us make Frag Magenta smarter every day as we expand its capabilities across all service channels – web, apps, messaging and hotline. Join us in using cutting-edge technology to create outstanding service experiences boost loyalty with the most valuable telco brand in the world and turn customers into fans!
What is Frag Magenta?
Frag Magenta (Ask Magenta), our AI-powered digital assistant, is transforming the way we interact with our customers. What started as a simple chatbot now understands natural language and provides 24/7 support on more than 380 Sales & Service topics.
What does it mean for you?
Frag Magenta is a game changer for our service team agents. By independently handling a third of all inquiries, it frees up time for you to focus on more complex cases that require a human touch.
Working closely with our AI experts, UX designers and customer experience specialists, you have the unique opportunity to shape the future of customer service at Telekom.
Your insights will help us make Frag Magenta smarter every day as we expand its capabilities across all service channels – web, apps, messaging and hotline. Join us in using cutting-edge technology to create outstanding service experiences boost loyalty with the most valuable telco brand in the world and turn customers into fans!
What is RPA about it?
At Deutsche Telekom Services Europe Romania, we use BluePrism's Robotic Process Automation (RPA) technology to automate repetitive tasks in customer service, allowing our teams to dedicate more time to meaningful customer interactions that require human judgment, empathy, and creative problem-solving.
The RPA system automates responses to common customer queries and manages service requests, thus significantly improving response times and customer satisfaction.
What does it mean for you?
As a service professional, you'll have the opportunity to collaborate with expert analysts and developers to identify automation potential, design intuitive workflows, and implement intelligent solutions using tools like BluePrism. Strong stakeholder management skills are key to driving adoption and aligning with business goals. Join us in redefining service efficiency and agility in the digital age, and make a real impact on how we serve customers!
What is RPA about it?
At Deutsche Telekom Services Europe Romania, we use BluePrism's Robotic Process Automation (RPA) technology to automate repetitive tasks in customer service, allowing our teams to dedicate more time to meaningful customer interactions that require human judgment, empathy, and creative problem-solving.
The RPA system automates responses to common customer queries and manages service requests, thus significantly improving response times and customer satisfaction.
What does it mean for you?
As a service professional, you'll have the opportunity to collaborate with expert analysts and developers to identify automation potential, design intuitive workflows, and implement intelligent solutions using tools like BluePrism. Strong stakeholder management skills are key to driving adoption and aligning with business goals. Join us in redefining service efficiency and agility in the digital age, and make a real impact on how we serve customers!
Your 24/7 Access to FC Knowledge
Discover the future of Finance & Controlling with the FC Guide, an AI-powered tool for professionals. It offers a streamlined interface for quick access to Finance & Controlling documents, tools, and guidelines.
Providing instant, clear answers with document references, the tool is available 24/7 and continuously improves through user feedback, utilizing ChatGPT for answer generation.
What does it mean for you?
As part of our team, you will benefit from its ongoing enhancements, including expanded finance knowledge, team specific searches and multilingual support.
Not only does this guide ensure reliable access to Finance & Controlling know-how anytime, but it also promotes the professionalism of our employees and enhances the quality of support we provide.
Dive into the world of Finance & Controlling and our culture of innovation and excellence!
Your 24/7 Access to FC Knowledge
Discover the future of Finance & Controlling with the FC Guide, an AI-powered tool for professionals. It offers a streamlined interface for quick access to Finance & Controlling documents, tools, and guidelines.
Providing instant, clear answers with document references, the tool is available 24/7 and continuously improves through user feedback, utilizing ChatGPT for answer generation.
What does it mean for you?
As part of our team, you will benefit from its ongoing enhancements, including expanded finance knowledge, team specific searches and multilingual support.
Not only does this guide ensure reliable access to Finance & Controlling know-how anytime, but it also promotes the professionalism of our employees and enhances the quality of support we provide.
Dive into the world of Finance & Controlling and our culture of innovation and excellence!
What is Hubble?
Hubble is a state-of-the-art digital HR ecosystem on the Pega platform, designed to support international HR processes and unify Deutsche Telekom's operations globally.
This project combines service innovation and HR transformation, utilizing technologies like automated case management, intelligent routing, and data analytics for modern service delivery.
It involves integrating multiple HR systems with strong data security, requiring expertise in workflow automation and cloud-based solutions.
What does it mean for you?
By joining our team, you'll contribute to building a scalable foundation that's transforming how we deliver HR services across the entire Deutsche Telekom Group, directly supporting our vision of becoming a leading digital telco through process automation.
What is Hubble?
Hubble is a state-of-the-art digital HR ecosystem on the Pega platform, designed to support international HR processes and unify Deutsche Telekom's operations globally.
This project combines service innovation and HR transformation, utilizing technologies like automated case management, intelligent routing, and data analytics for modern service delivery.
It involves integrating multiple HR systems with strong data security, requiring expertise in workflow automation and cloud-based solutions.
What does it mean for you?
By joining our team, you'll contribute to building a scalable foundation that's transforming how we deliver HR services across the entire Deutsche Telekom Group, directly supporting our vision of becoming a leading digital telco through process automation.
