Data Scientist with GenAI focus

Data Scientist with GenAI focus Miejsce pracy: Bydgoszcz Technologies we use Expected Python Optional AWS Kubernetes About the project 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 responsibilities 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 Our 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 Optional 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 What we offer Great Place to Work since 2015 - it's thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People Recruitment stages Send your CV Talk to us about your expectations Learn more about our projects and choose the best Start your adventure with Sii Sii Sp. z o.o. Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 500 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii we create a friendly work environment.