Junior/Mid Fullstack Developer (.NET + React)

Directio is hiring a Junior/Mid Fullstack Developer to work on modern business applications with a growing focus on AI-enabled features.

• Commercial or strong project experience with C#/.NET for backend business application development.
• Experience with React and JavaScript or TypeScript for frontend interfaces.
• Good understanding of REST API, databases, application integrations, and basic software architecture.
• Practical interest or initial experience building AI-enabled application features using LLMs or similar tools.
• Basic understanding of RAG, AI-in-the-loop, prompts, and using external knowledge or documents in AI-based features.
• Awareness of AI-related risks including hallucinations, data privacy, and security.
• Experience using AI development tools such as GitHub Copilot, ChatGPT, Claude, or Cursor.
• Willingness to learn and experiment with new AI-related technologies.
• Strong communication skills to collaborate with technical and non-technical stakeholders.
• Good command of English for clear communication in an international environment.

Nice to have:

• Experience with OpenAI, Azure OpenAI, Claude, Semantic Kernel, LangChain, or similar tools.
• Experience with vector search, knowledge-base search, document processing, or AI assistants.
• Experience building chatbots, document Q&A tools, automation workflows, or AI-supported business features.
• Own AI-related project, demo, GitHub repository, or portfolio demonstrating practical AI use in software development.

• Develop and maintain web applications using **.NET/**C# and React.
• Implement new application features, APIs, UI components, and integrations with clean and maintainable code.
• Support the development of AI-enabled features such as assistants, document-based Q&A, summaries, analysis, and workflow automation.
• Work with LLM-based tools and APIs to integrate AI capabilities into business applications.
• Support simple RAG or knowledge-based solutions where AI generates answers based on documents or data.
• Create reusable AI workflows, prompts, or “skills” for repeatable business tasks.
• Collaborate with developers, product stakeholders, and business users to translate requirements into working software solutions.
• Test, validate, and improve application features including AI-generated outputs.
• Use modern development tools including AI-assisted tools for coding, debugging, documentation, and research.

Informujemy, że administratorem danych jest Directio Sp. z o.o. z siedzibą w Warszawie, ul. Sienna 39, 00-121. Dane osobowe będą przetwarzane w celu rekrutacji oraz zgodnie z obowiązującymi przepisami o ochronie danych osobowych.