Senior Java Developer

T-Mobile Polska S.A.

Warszawa

Type of work

Undetermined

Experience

Senior

Employment Type

Permanent

Operating mode

Remote

T-Mobile Polska S.A.

Jesteśmy firmą technologiczną i tworzymy innowacyjne rozwiązania. Udostępniamy na rynku 5G, oferujemy najlepsze usługi mobilne, a dzięki wielu Data Center zapewniamy liczne usługi ICT. Oferujemy usługi z zakresu rozwiązań cloud oraz cybersecurity.

Company profile

Tech stack

Java

advanced

English

advanced

Cloud

regular

Spring

regular

Kubernetes

regular

Databases

regular

Job description

Online interview

Friendly offer

Your department

This position is filled in the Data Intelligence BU in the Digital Solutions portfolio unit of T-Systems International GmbH. The Data Economy chapter focuses on the development of the Telekom Data Intelligence Hub (DIH). We use the full range of data sources, from IoT to social media, to create sustainable innovation/value from the use of data and AI building blocks. Our solutions are both the memory and the brain of digitization. We use state-of-the-art open-source technologies and reference architectures from the IDS and GAIA-X environment. Always with the goal of bringing our customers' digitization strategies to success in the context of data spaces. As Germany's largest digital service provider, we shape the digital world together with our customers in a constantly growing market.

Main tasks

Take part in creating software solutions in scaled agile environment (Less, SAFe) as a member of a cross functional team
Build cloud hosted, micro-services Java/Kotlin applications considering holistic business requirements and implications along the entire development process
Write scalable and maintainable code
Ensure quality in every aspect of your work, from writing and maintaining documentation, doing code reviews or testing
Collaborate with other teams in an international environment (Germany, Hungary, Spain)

Background and required skills

Bachelor or master’s degree in the following areas: Computer science, Engineering or Information Technology or equivalent work experience in IT
5-10 years of overall IT experience of which majorly in technologies involving Java frameworks, SQL and NoSQL databases, Cloud services, Big Data technologies.
At least 3 years’ experience in development of complex software system

Perfect candidate should be very well conversant in some of the below:

Understanding how apps become cloud native (12 factor app)
Java backend apps with REST APIs
Micro-services architecture
Java frameworks expertise on Spring (Boot, Cloud)
Experience with Kubernetes especially in cloud (AKS, EKS, etc.)
Experiences with Public Clouds like Azure, AWS or GCP and esp. PaaS level for managed Databases, Storage, Security services
Experience with communication protocol like REST, AMQP, Kafka
Experiences with SQL and NoSQL databases like Postgresql, MSSQL/MySQL or MongoDB
Experience with diverse Identity and Access Management solutions, e.g. Keycloak and protocols like OIDC, OAuth. Preferably also experience with SSI, DID, VC

Excellent Git and git branching strategies knowledge
Continuous Integration and Delivery is a part of your daily work, especially with tools like Gitlab CI/CD
Very good communication skills, the roles involve demonstration of product / solutions to internal and external stakeholders
Candidates need good English written and oral skills. German skills a plus
Experience with Jira and Confluence is a plus

What can you expect working with us?

We take a long-term commitment when it comes to our employees. You will develop your career working in one or more innovation projects of Deutsche Telekom Group, exploring the latest trends and technologies which enable the product development process. You will grow not only your knowledge, but also your network, by interacting with a wide group of experts in areas such as Software Development, AI and Customer Experience.

What else we offer

Open and friendly working environment
High basic salary plus additional benefits
Great development opportunities

About us

Technology is the heartbeat that connects us across borders!

T-Hub (Technology Hub) is part of the Technology Delivery International (TDI) department. Our highly international teams deliver best-in-class cloud, network and services technologies that win our customers’ hearts! We work topic-driven and skill-based. That is why we are a chapter-based organization with a clear focus on the development of our people, while driving the delivery of TDI’s products and services in tribes.