TDSoftware

Android Engineer

• Development and implementation of native Android features using Kotlin with modern frameworks and MVVM architecture
• Technical leadership or independent development of app modules – depending on experience level
• Design and implementation of UI components with Jetpack Compose and Compose Navigation
• Security-compliant development according to BSI-TR-03107 / BSI-TR-03161
• Refactoring of existing modules, code optimization, and performance improvements
• Setup, maintenance, and use of CI/CD pipelines (e.g., Gradle KTS, Bitrise, Azure DevOps)
• Creation and execution of unit and UI tests (Mockito, Espresso) and ensuring documentation
• Code reviews, technical consulting for the team and knowledge transfer (lead role)
• Collaboration with UX, backend, and QA teams and active participation in agile processes (Scrum, JIRA)
• Regular presentation of project results to the project team.

Android Developer

Backend Engineer

• Development and maintenance of backend services in Java 11 / Spring Framework on Microsoft Azure
• Design and implementation of REST and SOAP interfaces (OpenAPI 3)
• Data modeling and integration of storage technologies (SQL/NoSQL, blob storage)
• Technical refactorings and optimization of service performance
• Implementation of security and authentication concepts (OAuth 2, OpenID Connect)
• Writing unit and integration tests, creating builds and deployments (Docker, Kubernetes, Helm)
• Code reviews and collaboration with frontend, QA, and DevOps teams
• Documentation of technical interfaces and architectures (Arc42)

Backend Developer

Manager

• Planning, coordinating and operational execution of all testing activities in an agile project environment (iOS & Android apps)
• Developing, maintaining and executing automated tests based on Appium, Xray, Sauce Labs and comparable frameworks
• Creating and maintaining test strategies, plans and test cases for functional, integration and regression testing
• Implementing automated test runs in CI/CD pipelines (e.g., Jenkins, Bamboo, Azure DevOps)
• Executing and evaluating load and interface/API tests (e.g., with Postman, JMeter)
• Analyzing and documenting test results, creating defect tickets and tracking them through to resolution
• Ensuring test coverage and quality by defining appropriate metrics and test reports
• Working closely with development, UX/UI and product teams to ensure early quality assurance
• Coordinating with project management and business units on test strategies, tool selection and risk assessments
• Presenting test results to the project team and contributing to the continuous improvement of test processes.

Test Manager

iOS Engineer

• Develop and implement native iOS features using Swift (from version 5.6) based on modern architecture principles (e.g., MVVM+C, SwiftUI, Combine, UIKit)
• Technical responsibility (depending on experience level) for parts or entire modules of the app
• Analyze, design and estimate requirements in close coordination with the business unit
• Perform technical refactorings of existing components and continuously optimize performance
• Integrate REST APIs and security mechanisms (OAuth 2.0, OpenID Connect)
• Ensure quality of developed components including unit and UI tests (XCTest, snapshot tests) and documentation
• Contribute to automation of build and release processes (CI/CD – Jenkins, Bitrise, GitHub Actions)
• Review and optimize code (pull requests); mentor other developers (lead role)
• Collaborate cross-functionally with UX/UI, backend, test management and Product Owner in an agile environment (Scrum, JIRA, Confluence)
• Actively participate in sprint reviews, retrospectives and technical guilds

Android Developer

Backend Developer

Test Manager

iOS Developer