Senior Software Engineer

Senior Software Engineer/ AI Engineer Location: Poland – Fully Remote Contract: UoP (Umowa o Pracę) Duration: 12 months, with possibility of extension Candidate from Poland only Should Apply !!!! About the Role We are looking for a Senior Software Engineer to design, build and scale production-grade Generative AI and intelligent applications for enterprise use cases. The role is strongly focused on GenAI, LLMs, AI Agents, RAG and Python, covering the full AI lifecycle from prototyping and experimentation through deployment, evaluation, observability and production scaling. Key Responsibilities Build and deploy scalable GenAI/LLM applications using RAG, AI Agents and workflow orchestration.Develop multi-agent workflows with tool calling, memory and task planning.Build AI-powered copilots, assistants and automation workflows.Design AI pipelines covering embeddings, vector search, prompt orchestration, evaluation and observability.Integrate GenAI solutions with enterprise data, APIs and platforms.Optimize AI systems for reliability, performance, latency and cost.Work closely with business stakeholders, product and engineering teams to deliver production-ready AI solutions.Required Skills & Experience 6–9+ years of strong software engineering experience, particularly backend/API and distributed systems.3+ years of hands-on experience building and deploying production-grade GenAI/LLM applications.Strong Python development experience.Hands-on experience with:LLM APIs and/or open-source LLMsRAGAI Agents & tool callingMulti-agent orchestrationPrompt engineeringEmbeddings & vector databasesAI evaluation and observabilityExperience with scalable APIs, microservices, cloud-native applications and production system design.Strong SQL/database knowledge and experience working with large-scale datasets.Experience with AWS, Azure or GCP.Good communication skills and ability to work with both technical and non-technical stakeholders. Frontend – ReactJS Experience with ReactJS or modern AI application frontends is desirable.Ability to build or integrate user-facing interfaces for AI-powered applications, copilots or assistants. Nice to Have LangChain, LangGraph, LlamaIndex, CrewAI, Semantic Kernel or similarPinecone, Weaviate, Chroma, FAISS, Milvus or pgvectorDocker / KubernetesMLflow / LangSmith / W&BModel fine-tuning, PEFT / LoRAAI security, guardrails and prompt-injection mitigationMultimodal AI experienceConsulting or client-facing delivery experience Technology Stack Python | FastAPI | SQL | Snowflake | React | LangChain / LangGraph / LlamaIndex | OpenAI / Anthropic / Gemini | Vector Databases | Docker / Kubernetes | AWS / Azure / GCP