--- title: Senior Full Stack + AI Engineer at PAAI description: πŸš€ Senior Full Stack + AI Engineer (5+ Years Experience) --- # Senior Full Stack + AI Engineer **Company:** PAAI **Location:** KrakΓ³w, Poland **Posted:** 2026-10-16 **Apply by:** 2026-11-30 **Tags:** python, java, typescript, node.js, react, frontend, backend, fullstack, designer [Apply / View original posting](https://t.me/Pol_relocation/58926) ## Job description πŸš€ Senior Full Stack + AI Engineer (5+ Years Experience) πŸ“ Location: KrakΓ³w, Poland πŸ”„ Work Mode: Hybrid / Remote / Onsite πŸ’Ό Employment: Full-time 🏦 Domain: Banking / Finance / AI 🏒 About the Company We are PAAI, a Poland-based technology company focused on software development and technology solutions for international clients. 🌐 Company Website: https://www.paai.pl We are looking for an experienced Senior Full Stack + AI Engineer with 5+ years of professional experience to build scalable applications, integrate AI-powered capabilities, and deliver secure, high-quality solutions for banking and financial services. βœ… What We’re Looking For 5+ years of professional software development experience Strong experience with TypeScript, React.js, and Next.js Solid full-stack development experience across frontend and backend Strong backend development skills with Node.js and Python Good knowledge of Java 21 and Spring Boot Experience with REST APIs, DTOs, authentication, and authorization flows Experience integrating AI/LLM capabilities, including LLM APIs, AI-powered features, and intelligent automation Strong understanding of frontend architecture, state management, and API integration Experience with PostgreSQL, database design, and migration patterns Familiarity with React Query, TanStack Query, or Redux Toolkit Experience with testing, observability, cloud platforms, and container environments is a plus Understanding of secure application development and financial systems is an advantage Strong problem-solving, communication, and collaboration skills πŸ’» Your Responsibilities πŸ“Š Build and maintain user-facing applications using TypeScript, React.js, and Next.js βš™οΈ Develop backend services and APIs using Node.js, Python, and Java 21 / Spring Boot πŸ€– Design and implement AI-powered features and integrate LLMs and AI services into applications πŸ”— Develop end-to-end features across frontend and backend πŸ”Œ Integrate services through REST APIs and build reliable system-to-system communication πŸ” Build secure, scalable, accessible, and maintainable solutions πŸ—„ Work with PostgreSQL, database schemas, and migration strategies πŸ§ͺ Contribute to unit, integration, and regression testing πŸ” Investigate and resolve UI, API, performance, and production issues ☁️ Contribute to cloud deployments, observability, and containerized environments 🀝 Collaborate with Product, UX, Backend, Data, and Security teams πŸš€ Contribute to technical decisions, architecture improvements, and continuous delivery 🎯 Ideal Candidate A senior engineer who combines strong full-stack development skills with backend expertise in Node.js and Python, experience integrating AI technologies, and the ability to build reliable applications for demanding business environments. πŸ“© Contact: @go44jus #Hiring #FullStackDeveloper #AIEngineer #SeniorDeveloper #TypeScript #ReactJS #NextJS #NodeJS #Python #Java #SpringBoot #ArtificialIntelligence #FinTech #Banking #RemoteWork #PAAI --- πŸ”” [Monitor similar jobs on Gurify](https://gurify.com/?utm_source=techgeo&utm_medium=jobboard&utm_campaign=monitor_similar&role=Senior+Full+Stack+%2B+AI+Engineer) β€” get alerted when matching roles are posted in Georgia.