Senior Android Software Engineer

About the project:

Our customer is a German full-service payments provider offering cashless transaction solutions, including network operations, card acceptance, online and in-store payments.

Our projects range from developing new functionalities for existing products, to system modernization or migration, and even full-cycle software development, all within an Agile framework—mostly Scrum or hybrid approaches. As we are in the early stages of collaboration, our team is growing and brings together diverse skills, including Business Analysis, Testing, Project Management, and Software Development. We prioritize strong communication both within the team and with our customer-side peers, and we’re prepared to support ramp-ups and deliveries while facilitating sustainable learning paths for each team member. Overall, we strive to enjoy the work we do, both individually and as a team.

Responsibilities:

• Mobile Application Development → Research, design, write, and test mobile applications using Agile software development methodologies to deliver value iteratively and adaptively.

• Continuous Improvement & Technical Growth → Actively support the improvement of the tech community by fostering and applying continuous integration and continuous delivery practices that enhance team efficiency and software quality.

• Cross-Team Collaboration → Engage with all stakeholders to gather feedback, align expectations, and collaboratively evolve the product toward higher quality and business value.

• Analytical Thinking & Problem Solving → Identify and resolve challenges independently or in coordination with the team, ensuring the project progresses smoothly and meets technical and functional needs.

Must have:

• 5+ years of experience in a professional software engineering position working with Android
• Experience with Android development using Kotlin and Java, leveraging Jetpack components (View Model, DataStore, Navigation, Room) and Jetpack Compose for UI
• Familiarity with Koin for dependency injection, Retrofit & Gson for networking, and Coroutines for asynchronous programming
• Solid testing background with JUnit, Robolectric, Mockito, and Mockk; logging with Timber; UI design using XML
• Familiarity with Gradle DSL and maintaining code quality using Lint
• Experience applying clean architecture and architectural patterns such as MVP, MVVM, and MVI.
• Strong English communication skills, both spoken and written (German would be a plus)

Nice to have:

• Experience with multi-module Android projects, performance optimization techniques, and adherence to accessibility standards
• Familiarity with CI/CD pipelines, feature flagging mechanisms, and modern deployment practices
• Exposure to localization workflows and integration of analytics platforms such as Matomo
• Hands-on experience with frameworks and tools like Hilt, Work Manager, Paging and Lottie animations

At Accesa you can:

Enjoy our holistic benefits program that covers the four pillars that we believe come together to support our wellbeing, covering social, physical, emotional wellbeing, as well as work-life fusion. 

• Physical Wellbeing: Our wellbeing program includes medical benefits, gym support, and personalized fitness options for an active lifestyle, complemented by team events and the Healthy Habits Club. 
• Work-Life Fusion: In very dynamic industries such as IT, the line between our professional and personal lives can quickly become blurred. Having a one-size-fits-one approach gives us the flexibility to define the work-life dynamic that works for us. 
• Emotional Wellbeing: We believe that to maintain our overall health, we need to invest in our mental wellbeing just as much as we do in our physical health, social connections or in achieving work-life balance
• Social Wellbeing: As a growing community in a hybrid environment, we want to ensure we remain connected not just by the great work we do every day but through our passions and interests