Full-Stack Software Engineer

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MunichHybridFull Timecompetitive salary

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Full-Stack Software Engineer (C++/C#/.NET) - ProAKT Platform Munich / Bavaria / Germany Hybrid & Remote, Full Time €65.000 - €100.000 English C1, German C1 About the Job Posting 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. Tasks 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 Requirements Requirements 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) Benefits Benefits 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 Experience & Employment Required Experience: Minimum 3 years of professional experience Employment Type: Full-time Find Jobs in Germany on Arbeitnow Tags: Software Development

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