Senior Fontend Developer with GenAI

We are seeking a Frontend Developer with practical experience in Generative AI to join a technical team working on modern web applications. The person in this role will design and implement scalable Next.js applications, integrate large language models and AI toolchains.

Responsibilities

• Design, develop and maintain frontend applications using Next.js (App Router) and TypeScript.
• Implement Server Components, Client Components, Server Actions.
• Develop authentication flows and middleware integrations (for example NextAuth/Auth.js).
• Integrate with REST and APIs and ensure secure, performant data flows.
• Integrate applications with large language models and GenAI services.
• Design and implement chatbots, prompt engineering workflows, streaming responses and structured outputs (e.g., JSON).
• Apply AI frameworks.
• Design and implement Retrieval-Augmented Generation (RAG) solutions: embeddings, vector databases, similarity search, chunking and document ingestion.
• Collaborate with backend engineers.
• Work with relational and document databases.
• Contribute to deployment and cloud operations.

Qualifications

• Proven experience with Next.js (versions 13-15) and the App Router paradigm, TypeScript and React.
• Practical experience integrating applications with LLMs and GenAI services; demonstrable use of OpenAI or Anthropic or Google Gemini APIs.
• Experience building chatbots, performing prompt engineering, handling streaming responses, function/tool calling and producing structured outputs.
• Familiarity with at least one AI framework such as LangChain, LangGraph or AI SDK.
• Knowledge of RAG concepts including embeddings, vector databases, similarity search and document ingestion.
• Experience with PostgreSQL and MongoDB; familiarity with Prisma or Drizzle ORM is a plus.
• Experience with cloud platforms and DevOps practices including Docker and CI/CD is a plus.
• Strong problem-solving skills, ability to work collaboratively across disciplines, and strong communication skills in English.

Benefits

• Opportunities to work with state-of-the-art GenAI technologies and modern web stack (Next.js, TypeScript, AI frameworks).
• Professional development and learning opportunities to expand expertise in AI, RAG and cloud-native architectures.
• Flexible collaboration with cross-functional teams and contributions to architectural decisions.
• 100% remote work.
• Flexibility regarding working hours. Autonomy to choose the way you work.
• Cooperation with top-tier engineers and experts.
• Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
• Agile approach and no bureaucracy.
• Outstanding integration trips to various places in Europe for all employees.
• Activities to support your well-being and health. Luxmed Gold Extended medical care and Multisport Plus benefit.