Junior Full-Stack Developer - .NET, JS, Java

Your responsibilities:

• Implement and continuously enhance product functionality in Finance & Administration using state-of-the-art technologies and engineering practices
• Translate business requirements, user stories, and operational needs into scalable technical solutions and actionable development tasks
• Design, develop, test, and deploy high-quality software increments in alignment with the product’s Definition of Done
• Ensure built-in quality, performance, and maintainability of solutions across the full software lifecycle
• Contribute to system and integration design within SAP-centric Finance landscapes (e.g. APIs, workflows, document management)
• Collaborate closely with Product Owners, Business Analysts, and Operations Experts to ensure a shared understanding and successful delivery
• Implement and maintain integrations between SAP S/4HANA and surrounding systems (e.g. document capture, workflows, external services)
• Support deployment pipelines and DevOps practices to enable reliable and efficient product delivery
• Monitor, analyse, and optimise application performance in productive environments and contribute to incident resolution (2nd & 3rd level support)
• Ensure technical documentation, code quality, and adherence to architecture and development standards
• Continuously improve development practices and actively contribute to developer communities and knowledge sharing
• Ensure reliable product releases and stable delivery of product increments
• Maintain and continuously improve operational documentation and knowledge bases

The knowledge I own:

• Degree in informatics/mathematics/similar area or relevant professional experience
• Strong hands-on experience in software development with modern programming languages and frameworks
• Solid experience in IT operations, service management, or application support
• Knowledge of SAP Finance, Real Estate, and/or document workflow solutions
• Experience with APIs, integration technologies, and distributed architectures
• Proven experience in ensuring stable and performant system operations
• Strong problem-solving, analytical, and troubleshooting skills
• Good understanding of interface technologies and system integrations
• Knowledge of operations, monitoring, and maintenance concepts
• Familiarity with ISMS standards and security requirements
• Experience working in agile product teams (e.g., Scrum, SAFe)
• Ability to communicate effectively with both technical and non-technical stakeholders
• Excellent English communication skills
• Flexibility and willingness to travel internationally

The offer that would convince me:

• The chance to work in an international team, collaborating with colleagues from all over the world
• The opportunity to contribute to our own product and learn how to build high-quality, stable solutions in a real production environment
• Cutting-edge tools and technologies, keeping you at the forefront of innovation and best practices in software development
• Collaboration with a highly professional developer team that values quality, craftsmanship, and continuous improvement
• We are committed to build up teams where trust and honest communication are essentials to our daily work
• Flexible working hours with home office possibility
• Regular salary increase, we follow the inflation and reward loyalty

Imagine a company where ALDI’s well-known quality and reliability meet IT expertise and innovation. ALDI International IT Services (AIIS) strives to achieve this every day: as part of ALDI DX, it supports a wide range of IT and business services for the ALDI SÜD Group from Hungary.

Founded in 2012 and operating as an individual business entity since 2018, AIIS has grown to nearly 1,000 employees, with offices in Budapest, Biatorbágy, Pécs and Debrecen. Its portfolio includes IT support for ALDI stores and regional headquarters across Europe and beyond – from the UK and Ireland to Germany, Austria, Italy, Switzerland, Slovenia and Hungary.