19.07.2026 aktualisiert


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Full-Stack Software Engineer & AI Integration Specialist
Berlin Germany, Deutschland
Nur Remote
Master in Artificial Intelligence (in progress) - Berlin School of Business and Innovation (BSBI)Skills
React, Node.js, Express, Mongodb, PostgreSQL, Python, Fastapi, NestJS, Next.js, TypeScript, JavaScript, Java , Spring boot, Vue
Erfahrung
Berufserfahrung0 - 5 Jahre
Freelancer seit2022
Sprachen
DeutschGrundkenntnisseEnglischverhandlungssicher
Projekthistorie
Built an AI-powered recruitment platform with ATS-friendly resume and cover letter generation tailored to job descriptions using LLM integration (OpenAI API, Google Gemini API). Implemented RAG with embeddings and vector search for job-to-candidate matching and context-aware document generation. Designed prompt engineering workflows and AI automation for candidate screening, scoring, and role-based HR dashboards in React and Node.js. Added subscription access and multilingual support (English, Dutch) for HR teams and candidates.
Developed full-stack MERN web applications and REST APIs with integrations for authentication, payments, AI and LLM integration, and notifications. Designed MongoDB schemas, indexes, and queries; implemented JWT, OAuth, and RBAC security in Node.js backends. Built responsive React components with state management and WebSocket-based real-time communication. Deployed and maintained production systems using Docker, Linux, Git, CI/CD, Heroku, and Vercel; monitored logs and resolved production issues.
Delivered MERN stack features including REST API development and React frontend integration with Axios/Fetch. Optimized MongoDB data models and implemented secure JWT/OAuth authentication flows. Tested and debugged APIs with Jest and Postman; managed Git workflows and deployments on Heroku and Vercel.