Full-Stack Software Engineer (C++/C#/.NET)
Role: Full\-Stack Software Engineer (C\+\+/C\#/.NET)
Location: Munich / Bavaria / Germany
Work Setup: Hybrid \& Remote
Employment Type: Full Time
Salary: €65\.000 \- €100\.000
About the Job
Develop and maintain a complex banking desktop application using C\+\+/C\#/.NET, Python APIs, and hardware integration, with a focus on real\-time multi\-threaded operations and secure banking protocols.
Language Requirements:
English C1, German C1
Job Description
We are seeking an experienced desktop software engineer to join our enterprise banking software team. You will design, develop and maintain a multi\-language, client\-server desktop application, with emphasis on hardware integration, banking protocols, and robust, mission\-critical operations.
Responsibilities
- Develop and maintain a complex C\+\+/C\#/.NET desktop client\-server application for banking operations
- Build Python API layers including REST and XML\-RPC interfaces for banking integrations
- Create Python device handlers for hardware abstraction (cash dispensers, printers, card readers, check readers, signature pads)
- Work with Windows systems programming (COM/DCOM, Registry) and Win32 APIs for the core C\+\+/C\# client
- Develop integrations with banking core systems using XML\-RPC, SOAP and custom socket protocols
- Implement high\-level (PHLAPI) and low\-level (PLLAPI) banking APIs for transaction processing in Python
- Create real\-time monitoring dashboards using Node.js, Express and React
- Work with SQL Server and PostgreSQL databases for transaction management and reporting
- Ensure compliance with banking protocols and security standards
- Develop multi\-threaded, event\-driven systems for asynchronous device operations
- Support multiple hardware vendors
- Strong experience in API development and device integration (REST APIs, XML\-RPC, hardware drivers)
- Experience with C\+\+ and/or C\#/.NET development for Windows desktop applications
- Experience with multi\-threaded programming and asynchronous patterns
- Knowledge of SQL Server or PostgreSQL database design and optimisation
- Strong systems\-programming skills and debugging expertise
- Proactive mindset, eager to work on complex, mission\-critical systems
- Strong English fluency
- Experience with Python (plus)
- Understanding of Windows desktop application development (Win32 API) (valuable)
- Familiarity with device\-driver development or hardware communication protocols (highly valuable)
- Understanding of plugin architectures and design patterns (Factory, Observer, Command)
- Experience with Node.js/Express for web services (plus)
- Knowledge of banking systems, XFS or payment\-terminal integration (plus)
- Competitive salary
- 30 vacation days per year
- Flexible working hours
- Hybrid work options available
- Opportunity to work on mature, enterprise\-level banking software
- Exposure to sophisticated systems programming and hardware integration challenges
- International team collaboration across multiple time zones
- Required Experience: Minimum 3 years of professional experience
- Employment Type: Full\-time
Pay: 65\.000,00€ \- 100\.000,00€ per year
Application Question(s):
- How many years of professional experience?
- Do you have German C1 language proficiency?
- This is a hybrid role: Are you within the job location: Munich, Bavaria, Germany?
- Are you oaky with salary: Salary: €65\.000 \- €100\.000?
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