Backend Application Developer (Core Specialist Tier)

ppBackend Application Developer – Core Specialist Tier /p pbLocation: Basel, Switzerland /b /p pbContract Duration: 3 years, with possible extension /b /p pbExperience Required: 3+ years. /b /p pbIndustry Experience: Utilities Energy (Energie Wasserversorgung) or Telecommunications or Banking Financial Services or Information Technology Services /b /p h3Role Overview /h3 pbWe are looking for an experienced Backend Application Developer to support a long-term enterprise project in Basel. This is a 3-year contract role with the possibility of extension. /b /p pbThe ideal candidate will have strong hands‑on experience in designing, developing, and maintaining secure, scalable, and high‑performance backend applications. The role requires solid expertise across Microsoft and open‑source technologies, including .NET Framework, .NET Core, Microsoft SQL Server, MySQL, Python, and MVC architecture. /b /p pbStrategic Scope: Responsible for the rigorous structural translation of complex technical business processes and energy‑sector transactions into scalable, highly available object‑oriented server designs, secure multi‑tier logical services, integrated API configurations, and decoupled microservice patterns. /b /p h3Tasks /h3 pbCore Responsibilities /b /p ul libRequirement Extraction: Systematically analyse, document, and map granular business requirements to engineer structural software components, robust middleware layers, and complete enterprise backend applications. /b /li libArchitectural Design: Define and implement strict functional and non‑functional runtime profiles, including high availability, automated horizontal scalability, enterprise‑grade security protocols, and minimal processing latency parameters. /b /li libData Modeling: Conceptualise, construct, and manage normalized and denormalised relational database schemas, complex entity relationship models, and performance‑tuned object‑relational mapping configurations. /b /li libWeb Service Implementation: Build, test, document, and support enterprise web service integrations utilizing asynchronous RESTful APIs, high‑security SOAP communication paths, and structured microservices architecture layouts. /b /li libAccess Federation Protocols: Configure and map identity federation integrations across legacy and modernised components by binding application endpoints strictly to modern access frameworks (OAuth2, OpenID Connect, SAML 2.0). /b /li libEnvironment Deployment Support: Manage, maintain, and provision isolated localised, staging, and continuous testing application runtime environments, orchestrating automated system packaging and localised deployment workflows. /b /li libDefect Analysis Root‑Cause Remediation: Provide critical tier‑3 engineering diagnostic support, proactively profiling running server systems to detect, reproduce, isolate, and permanently resolve complex technical defects within high‑load production software systems. /b /li /ul h3Requirements /h3 pRequired Skills Experience /p ul libMinimum of 3 to 5+ years of demonstrable enterprise software development tenure in multi‑tier server architectures. /b /li libStrong experience with .NET Framework, including .NET Framework 4.0, .NET Core, MySQL. /b /li libGood knowledge of MVC architecture. /b /li libStrong database experience with Microsoft SQL Server. /b /li libWorking knowledge of Python. /b /li libExperience developing APIs, backend services, and enterprise applications. /b /li libGood understanding of secure coding, performance optimisation, and software development lifecycle practices. /b /li libAbility to work independently as well as part of a distributed project team. /b /li /ul pbLanguages: Flawless bilingual/native‑level business German communications proficiency (C1/C2 level written and spoken) is required. The candidate must present seamlessly in German during the technical panel interview. /b /p ul libSwiss Compliance: Must hold EU/EFTA nationality or possess an active, valid Swiss permanent residency/work card (C Permit or unrestricted B/G Permit). /b /li /ul h3Benefits /h3 pbWhat We Offer: /b /p ul liOpportunity to work on challenging projects and contribute to the growth of our company /li liCollaborative and dynamic work environment /li liProfessional development and growth opportunities /li liCompetitive salary and benefits package /li /ul /p #J-18808-Ljbffr