• Implement Integration Solutions using Oracle Integration Cloud Service (OIC) • Develop integrations between Oracle Cloud ERP and HCM with other applications • Utilize various Technology Adapters for integration tasks • Apply Web Service technologies in development • Collaborate with functional & technical teams to achieve project objectives

• Build and maintain high‑quality, scalable iOS applications using Swift and SwiftUI . • Ensure performance, reliability, accessibility, and a polished user experience across the app. • Refactor and improve existing codebases, applying modern iOS architectures and best practices. • Develop high‑quality, test‑covered code (unit, snapshot, integration); contribute to scalable patterns and shared components. • Collaborate in an agile, cross‑functional team, taking ownership of features end‑to‑end. • Participate in code reviews and technical discussions to uphold quality, security, and performance standards. • Support CI/CD pipelines, releases, and automated testing. • Document technical specifications, setup steps, and architectural decisions (ADR style). • Proactively identify technical debt and drive continuous improvement. • Use AI tools responsibly to boost productivity and solve complex engineering problems.

• Develop and maintain high‑quality iOS applications using Swift and Objective‑C, with a focus on performance and user experience. • Refactor and improve existing codebases to ensure scalability and maintainability. • Apply MVVM, Clean Architecture, and SOLID principles in day‑to‑day development. • Write test‑covered, production‑ready code and contribute to team technical decisions. • Collaborate in an agile, cross‑functional team, participating in planning and reviews. • Conduct and participate in code reviews, ensuring best practices and coding standards. • Support CI/CD pipelines, release processes, and version control using Git. • Work closely with design and product teams to deliver solutions aligned with UI/UX best practices. • Use AI tools (e.g. GitHub Copilot, ChatGPT, Claude) to improve productivity while critically evaluating AI‑generated outputs. • Create and maintain clear technical documentation.

• Responsibility for the technical development and operation of the oskar.de platform • Leadership of the engineering team • Responsibility for cloud-based IT infrastructure and coordination of external IT service providers • Backend using .NET and REST APIs in a cloud-based environment (GCP) • Use of Angular in the frontend for web applications • Development of iOS and Android apps with DART/Flutter • Responsibility for compliance, data protection and IT security in a regulated environment • Ensuring stability, availability and further development of the systems • Keep monitoring and automation in mind • Overseeing monitoring and operational responsibility with the team • Handling operational IT necessities