Finanz Informatik, one of Europe’s largest banking IT service providers, is hiring a Software Developer Payment for its Payment Platform Wallet unit. You will build frontend and backend solutions for card and account services, including payments inside the Sparkasse app, using Java, Kotlin, React and Spring.
About Finanz Informatik
Company Size: Over 5,000 employees at three locations
Mission: Digitalisation partner of the Sparkassen-Finanzgruppe
Business Unit: Payment Platform Wallet
Products: Payment and end-customer communication solutions, multi-channel
Locations: Münster, Hannover or Frankfurt; start as soon as possible
Career Growth & Benefits
Work Model: Flexible working hours and the option to work remotely
Mobility: Discounted job ticket
Development: Wide range of roles, career opportunities and room for personal growth
Culture: #TeamFI with a focus on diverse teams
Position Overview
This Software Developer Payment role covers the full development cycle: designing, building and improving frontend and backend solutions, shaping complex database models, analysing errors and keeping quality high. You will also help design AI methods, for example to connect payment processes with agent-based tools, and develop multi-channel apps with Kotlin Multiplatform and Compose Multiplatform.
Why This Role Matters: Payments touch millions of customers every day, so reliable, secure software matters. In this role you work on real banking products, use modern tools and AI approaches, and grow your skills in a large, stable IT organisation.
Key Responsibilities
Development
- Design, build and optimise frontend and backend solutions with Java, React, Kotlin and Spring
- Develop multi-channel solutions with Kotlin Multiplatform and Compose Multiplatform
- Design and implement complex database models
Quality & Methods
- Organise software development work using modern methods
- Ensure system and product quality
- Run complex error analyses to improve processes and systems
AI & Innovation
- Design methods for AI solutions, such as integrating payment processes into agent-based tools
Qualifications
Education
- Completed relevant studies or comparable training
Experience
- At least two to three years of relevant experience, preferably in payment or app projects
Technical Skills
- Advanced knowledge of Java, React, Kotlin, JavaScript/TypeScript, Spring Boot and Spring Batch
- Experience with frameworks, databases, servers, development tools and design patterns
- Agile development methods, IT security awareness and responsible use of AI tools
- Knowledge of modern DevOps processes and tools
- Analytical thinking, problem solving and willingness to travel
About Finanz Informatik & Banking IT Careers
Finanz Informatik is the IT service provider and digitalisation partner of the Sparkassen-Finanzgruppe. It offers roles in app development, network and server operations, consulting, training and support for both specialists and generalists.
Career Excellence: Build the payment features that millions of Sparkasse customers use, in a large and stable banking IT company.
Who Should Apply?
- Java Backend Developers: Ready for banking and payment projects
- Kotlin and React Developers: Building multi-channel apps
- Fintech Engineers: With payment or mobile app experience
- Spring Boot Developers: Who care about IT security and quality
- Full-Stack Developers: Interested in AI-enabled payment processes
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