Our client, a global leader in cloud communications and APIs, is shaping the way businesses connect with their customers worldwide. Known for cutting-edge solutions that combine voice, messaging, video, and AI-powered interactions, the company empowers developers and enterprises to deliver seamless, scalable digital experiences.As a Data Scientist with GenAI focus at Sii, you’ll work hand in hand with engineering teams to design, prototype, and scale innovative AI solutions that transform developer workflows. If you’re passionate about turning state-of-the-art Generative AI into practical tools that boost productivity and efficiency - this role is for you!Join us and bring the future of AI-powered development to life.Your tasks Design, prototype, and implement GenAI-powered solutions supporting developer workflows such as CI/CD, IDE extensions, automation, and documentation Develop and deploy AI tools, APIs, and plugins that accelerate engineering productivity and efficiency Build and optimize RAG pipelines, embeddings, and vector database integrations to provide contextual developer assistance Evaluate and integrate LLM-based solutions (e.g., OpenAI, Anthropic, AWS Bedrock, GitHub Copilot) into enterprise environments Automate workflows using GenAI-driven scripts, bots, and pipelines to enhance the developer experience Collaborate with security, legal, and compliance teams to ensure safe and responsible use of AI Collect and analyze metrics on developer productivity, measuring impact and continuously improving implemented solutions Requirements At least 5 years of experience in software engineering, platform engineering, or developer productivity roles Hands-on expertise in implementing GenAI solutions in enterprise or production environments Strong proficiency in Python (with additional experience in Go or Node.js as a plus) Solid understanding of APIs, cloud platforms (AWS preferred), and containerized environments Experience with LLMs, embeddings, RAG pipelines, and vector databases Familiarity with developer workflows, CI/CD, Kubernetes, and modern tooling ecosystems Very good command of English (min. B2/C1 level), enabling effective communication in international teams Residing in Poland required Nice to have Experience developing plugins, extensions, or custom developer tools Knowledge of prompt engineering and fine-tuning practices Awareness of data security, compliance, and responsible AI principles Background in DevEx, developer enablement, or productivity-focused roles