Software Engineer

Become Software Engineer (m/f/d) - Java + Python at Retarus. Retarus is a worldwide provider of cloud-based messaging solutions at enterprise scale. We serve over 40% of the companies listed on the S&P Global 100, e.g. Adidas, Bayer, SAP, BNP Paribas, Goldman Sachs, T-Systems, Swarovski & UPS, as well as governmental agencies and major players in markets across the world. Privately owned and founder-managed for over thirty years, Retarus is customer-oriented, stable, a fair employer, and a strategic business partner with a long-term vision. With some 500 employees in 19 offices on four continents, Retarus operates locally and thinks globally: our teams are organized across borders and are highly integrated. This makes Retarus a multicultural, multilingual, and engaging workplace. We are committed to creating a diverse and dynamic environment for our employees, with generous compensation, time off, and a global, collaborative workplace.What we offer Mobile working and flexible working timeCollaborative, diverse company culture and superior team spiritFlat hierarchies and great feedback cultureDevelopment opportunities & career perspectiveInternational business & cross-site collaborationModern, dog-friendly offices with nice amenitiesCompany-paid health insurance, public transportation, lunch vouchers and further benefitsWhat you´ll do We are looking for an experienced Software Engineer with a focus on Java to join our agile development team and contribute to the creation of innovative communication solutions.Our globally distributed, high-performance, and highly reliable services enable secure and seamless transaction-based communication for our clients.In this role, you will work on the further development and optimization of our backend systems, with a strong focus on performance, security, and scalability. You’ll collaborate closely with cross-functional teams to continuously enhance our platform and deliver powerful, efficient solutions. Your technical expertise will help improve software quality and implement best development practices.Key Responsibilities: Take ownership of the full software development lifecycle — from requirements analysis and architecture to design, implementation, and deploymentAnalyze, enhance, and integrate existing software solutionsDevelop high-performance, event-driven, and secure software solutions in JavaCollaborate closely with Quality and Operations Engineers to ensure the highest software standardsAutomate and improve CI/CD pipelines to streamline development and deployment processesPerform root cause analysis and performance tuning to identify and eliminate bottlenecksWhat you'll need Solid experience in software development with JavaExperience in software development with PythonDeep knowledge of popular Java frameworks and librariesExpertise in API design, RESTful services, messaging systems, and stream processingExperience in developing and monitoring globally distributed, highly reliable systems with high data and message volumesPractical experience of CI/CD pipelines, Docker, Kubernetes, and Linux environmentsIdeally, experience with cloud-based applications and microservice architecturesGood understanding of agile methodologies and a strong mindset for continuous improvementProactive and adaptable working style with the ability to take on responsibilities across various areas of the software stackOpenness to new technologies and challengesWhat you can expect At Retarus, you will work on impactful and dynamic projects, with real opportunities to make a difference. Our customers are leaders across diverse industries, with constantly evolving needs and high expectations. You’ll be working with cutting-edge technology and great creative leeway to meet customers’ needs – and the projects you work on will be deployed globally. Working at Retarus, you will collaborate closely with convivial, culturally diverse teammates. You will grow professionally in a dynamic and exciting workplace and design impactful solutions in real time with top companies.Very importantCome as you are. Retarus is committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or veteran status.Apply via our online application portal – it’s easy and doesn’t take long. Our colleague Alissa Selman is happy to field any questions you may have: Alissa.Selman@retarus.deWe’re looking forward to getting to know you