Senior AI/ML Developer – Conversational AI (f/m/x)

The role involves close cooperation with DevOps, Data, and Product teams and offers the opportunity to leverage Sii’s learning ecosystem, including certifications, mentoring, and access to strategic cloud partnerships.Apply today and let us match you with the best-fitting project!Your tasksDesign, develop, deploy, and maintain conversational AI solutions with a focus on quality, scalability, and reliabilityConduct root cause analysis, implement bug fixes, and deliver enhancements across existing AI/ML systemsOptimize NLU models through tuning of utterances, intents, and entities, while monitoring bot performance in productionCreate and maintain technical architecture documentation, conversational flows, integrations, and diagramsLead development activities, support UAT, mentor developers, and translate high-level designs into actionable tasksRequirementsAt least 5 years of experience in AI/ML engineering, NLP/NLU development, or conversational AIStrong hands-on experience in Python and modern NLU/NLP frameworksPractical understanding of DevOps practices, CI/CD pipelines, monitoring, and loggingAbility to troubleshoot complex system issues and work with analytics dashboardsVery good English skills (B2/C1), enabling effective communication in an international environmentFluent Polish requiredResiding in Poland requiredWhat we offerGreat Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideasEmployment stability - revenue of PLN 2.1BN, no debts, since 2006 on the marketWe share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and moreComfortable workplace – class A offices or remote workDozens of fascinating projects for prestigious brands from all over the worldPLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workersInvestment in your growth – meetups, webinars, training platform and technology blog – you chooseFantastic atmosphere created by all Sii Power PeopleIf you want to work on systems with high operational significance — apply now!