Cloud backend developer

Über das Unternehmen We believe in the positive power of energy
- and in people who are ready to shape the future with their ideas and dedication. That's why we established the En BW Tech Hub in Portugal to drive innovation and develop digital solutions that support the energy transition and improve the way we work. As a key pillar of En BW's technological transformation, the Tech Hub plays a vital role in our journey. En BW is one of the largest energy companies, headquartered in Karlsruhe, Germany, employing approximately 30,000 people. ENBW IT SOLUTIONS, UNIPESSOAL LDA, a wholly owned subsidiary of En BW, operates as an integral part of En BW's IT division. In Lisbon, we bring together experts in IT, administration, project management and HR to collaborate in an agile, international environment and create smart, scalable solutions. Unser Angebot Private supplementary health insurance including coverage for your immediate family, offering peace of mind beyond the public system. Meal allowance to support your daily work routines. Additional paid days off (24 December & Carnival Day) on top of statutory annual leave
- giving you more time for what matters. Hybrid working model with a mix of remote and office days to support flexibility and modern ways of working. Intercultural collaboration & cross border projects
- grow your international experience by working with colleagues in Germany. Modern technology and continuous development opportunities to support your growth and keep you up to date in your field. Bright, appealing offices in a trendy Lisbon area , designed for productive and enjoyable workdays. Vielfältige Aufgaben You are part of a software engineering team that builds and operates BAPC, our internal business platform for monetization, including services for billing, accounting, payment, and collection. You design, build, and operate cloud-native services on Azure Kubernetes Service, Mongo DB Atlas, and other Azure services, increasingly supported by AI-coding agents. We use Go/Golang (preferred in this team), C#/. NET, Kotlin, and additional technologies in a complex, grown system landscape. You contribute to a high-quality engineering culture by creating clean, well-tested code (unit and integration tests), applying Domain-Driven Design and resilience patterns, and maintaining production workloads responsibly. You shape and maintain our infrastructure and CI/CD pipelines with a Dev Ops mindset, using infrastructure-as-code (Terraform) and Kubernetes containerization to keep delivery and operations efficient and reliable. You work closely with architects, business analysts, and process experts to clarify architecture and business requirements and support the customer journey. Überzeugendes Profil

Education:
Degree in Computer Science, Software Engineering, or a comparable qualification

Experience:
3+ years of professional software development experience using Go/Golang, C#/. NET, Kotlin, Java, or similar languages in a cloud environment (Azure preferred) Agile practices: Comfortable working in agile teams (Scrum/Kanban), with a continuous-improvement mindset, shared ownership, and pragmatic problem-solving Collaboration & communication: able to articulate and document technical decisions clearly, and collaborate effectively across teams and stakeholders Maintenance & operations: Willingness to share on-call responsibility and actively contribute to stable, observable, and secure production systems Nice to have: Experience with AI-based tools for agentic coding Experience with processes around B2 C CRM and billing or payment Experience in a regulated environment or in the energy sector Kubernetes know-how: K8s concepts, Helm charts, operators Proficiency in g RPC, Protobuf, REST Language

Skills:
Proficiency in English (C1 level or higher) Portuguese (B1 level or higher) German language skills are a plus Über den Bereich Our Sales IT department is the Software Engineering powerhouse behind En BW's Sales, Marketing and Operations organization. We design, build and run scalable digital platforms and customer facing services for B2 C businesses such as energy, utility services and e mobility. Working in cross functional, agile teams, we apply strong engineering principles such as Domain-Driven Design and Event-Driven Architecture, along with modern software engineering practices, cloud technologies and product oriented thinking to deliver high quality solutions and accelerate time to market for a digital energy future. Our teams build and operate a broad portfolio of digital products almost entirely on the Azure cloud. This includes high traffic customer websites such as yello.de and mobile applications like the Zuhause+ App and the Yello App, as well as Mobility+, En BW's app for fast and convenient EV charging on the go. Behind these customer touchpoints, we develop and run a wide range of backend systems from energy core systems and EMP/CPO backends, to an Event-Driven integration platfo