Be part of an engaged and open-minded team developing the future of mobile virtual network operatorsuse Python, PostgreSQL, Angular and Elixir | extend the existing IT/BSS and CRM solution | Macbook Pro | English-speaking team | mobile working | diverse and inclusive environmentYou will design and develop new features for our platform in close cooperation with project partners (marketing, other teams in A1, partner companies).You are part of the whole software lifecycle, starting with design and developing up to testing, deploying, and providing third level support.Use state of the art technology and agile methods to continuously improve a platform servicing a large customer base.Work in a constantly improving team, interested in exploring and realizing new ideas via code reviews, knowledge sharing workshops and 3rd party libraries.Your profileSeveral years of experience designing and developing software, ideally in a telecommunication environmentExperience with developing backends, ideally in Python using modern web- and API frameworks (FastAPI), or alternatively in Java, C#, …You have good knowledge of databases (ideally PostgreSQL) and SQLExpertise with modern web frameworks (Angular, TypeScript, HTML, CSS) is a plusNice to have: knowledge of source control systems (git), agile development, automated deployment methods (GitLab, CI, CD) and modern monitoring solutions (Sentry, Grafana)Benefits & MoreFlexible working: Home office, remote work, flextime, sabbatical26 vacation days & days off on December 24th and 31stPaid lunch break, canteen & vouchersFree A1 internet plus additional discounts for family & friendsCompany phone for personal use as wellInternal job market at A1 & skill enhancementIt is important to us that your salary reflects your qualifications and experience. It can exceed the collective agreement and starts at € 70,000 gross per year, all-in.