LeadSoftwareEngineer(m/f/d)

T‑Systems is part of the Deutsche Telekom Group, with around 30.000 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. Network & Services International (NWI) develops, plans, builds and operates the international network infrastructure of Deutsche Telekom AG and produces intercarrier and wholesale services for the sales units W-IC, B2B and IoT. The unit Digitalization & Strategy empowers NWI in its ambition to obtain a digital production. As a Software Engineer are responsible for the continuous development of software. You will work together with highly acclaimed IT professionals and business stakeholders located around the globe. You will prototype, implement and test software; additionally, you will review other developers’ work, guide them and support IT architects to design the proper solutions. We are looking for a self-sufficient Software Engineer who can advance the entire team’s maturity. Involvement in operations is expected. Your first assignment will be about introducing new features, operating, maintaining and optimizing a recently launched internal system for our global service delivery. Responsibilities and Duties * Developing/improving software for highly complex products and services considering holistic implications such as reusability, sustainability and efficiency * Collaborating closely with requesters (e.g., product owners) in analyzing and implementing requirements * Introducing, preparing, implementing and documenting software solution designs (Java, Python) * Defining standards for system tests/test automation * Installing and configuring software fo