Role Description Für unseren Kunden in der Zentralschweiz, suchen wir eine:n erfahrene:n, motivierte:n und aufgeschlossene:n Enterprise Software Backend Engineer. - Migration und Modernisierung bestehender Applikationskomponenten (JavaEE/JakartaEE) hin zu einer zukunftsfähigen Architektur - Weiterentwicklung und Optimierung von Legacy-Systemen mit Fokus auf Stabilität, Wartbarkeit und Skalierbarkeit - Konzeption, Design und Implementierung robuster REST-APIs inklusive Versionierung und Sicherstellung der Rückwärtskompatibilität - Umsetzung von Zero-Downtime-Deployments in einer hochverfügbaren 24/7-Umgebung - Integration und Weiterentwicklung bestehender CI/CD-, Deployment- und Monitoring-Prozesse - Enge Zusammenarbeit in einem kleinen, erfahrenen Team sowie eigenverantwortliche Umsetzung von technischen Lösungen Qualifications - Mehrjährige Erfahrung in der Migration von monolithischen Anwendungen hin zu modernen, containerisierten Architekturen (Docker, Kubernetes) - Fundierte Kenntnisse in Enterprise-Java-Technologien (JavaEE/JakartaEE) - Erfahrung im API-Design sowie im Umgang mit CI/CD- und DevOps-Tools - Praxis in Monitoring und Observability (z. B. Grafana, Splunk, ArgoCD) - Solide Kenntnisse in Datenbanken sowie Erfahrung in der Datenmigration - Selbstständige, strukturierte und pragmatische Arbeitsweise mit ausgeprägter Hands-on-Mentalität - Klare und adressatengerechte Kommunikation, insbesondere bei komplexen technischen Themen (z. B. Migrationsstrategien oder API-Änderungen) - Sehr gute Deutschkenntnisse in Wort und Schrift Company Description Die Coopers Group AG ist eine agile Schweizer Recruiting Agentur, die Spezialisten und Führungskräfte in den Bereichen IT, Life Sciences, Engineering und Finance vermittelt. Mit flexiblen Ansätzen bringen wir Kandidat:innen und Unternehmen zusammen, die nicht nur fachlich, sondern auch menschlich zusammenpassen.

• Design, develop, and maintain Python-based backend microservices • Build and integrate REST APIs (authentication, RBAC, third-party integrations) • Contribute to real-time voice pipeline integrations (SIP / WebRTC / LiveKit) • Develop integrations with external systems (e.g., Zoho CRM, Google / Microsoft Calendar) • Deploy and operate services on AWS (ECS, CloudWatch, Secrets Manager, S3) • Maintain CI/CD pipelines using Bitbucket Pipelines • Containerize services using Docker / Docker Compose • Collaborate with AI, frontend, and DevOps teams; participate in code reviews and release processes

• Works primarily as a senior software developer and brings experience using tools and frameworks to develop solutions that meet client requirements. • As part of a cross-functional Agile team, the Developer coordinates with team members to follow best practices, plan work, and communicate with the client on progress. • Design, Develop and implement Python based enterprise solutions to meet client requirements. • Support quality development practices, including test driven development. • Employ the values and principles of Agile development, as part of an Agile DevSecOps team. • Actively participate in improving the code base by performing code reviews. • Evaluate technical effort to implement client requirements and participate in the creation and sizing of user stories. • Participate and contribute to all agile ceremonies/events. • Work closely with the team to ensure that technical user stories and acceptance criteria are accurately captured. • Contribute to documentation of system design and procedures. • Design skills with experience in object-oriented methodologies, design patterns, microservices, streaming technologies, database design, and data modeling. • Excellent communication skills to be able to interact directly with non-technical client stakeholders and act in a business-to-technical translation role. • Experience leading a team of developers in the design and delivery of cloud-based, continuously deployed client solutions. • Experience working in an onsite client technical consulting environment preferred. • Experience working within Agile Frameworks, such as Scrum or Kanban. • Self-motivated and self-managing. • Proficient in creating reasonable and accurate time estimates for assigned tasks.

• Design, develop, and maintain scalable full-stack applications using modern Python backend technologies under guidance of senior engineers/architects. • Leverage AI-assisted development tools for code generation, test generation, documentation, and system analysis • Review, validate, and enhance AI-generated outputs to ensure quality, security, and scalability • Build responsive, high-performance user interfaces using modern component-based architectures. • Develop and maintain RESTful APIs and microservices architectures • Analyze and work with legacy Java and PL/SQL systems to support application modernization and system decomposition. • Participate in modernization efforts including refactoring, re-platforming, and microservices migration • Collaborate with cross-functional teams, including product owners, designers, and stakeholders, to translate business requirements into technical solutions • Contribute to system design, architecture discussions, and technical decision-making • Support quality development practices, including test-driven development and automated testing • Contribute to CI/CD pipelines and DevSecOps practices • Perform code reviews and actively contribute to improving the code base • Assist in estimating and sizing user stories • Participate and contribute to all Agile ceremonies/events • Work closely with the team to ensure that technical user stories and acceptance criteria are accurately captured • Contribute to documentation of system design, architecture, and procedures • Communicate effectively and collaborate with technical and non-technical stakeholders.