Full-Stack Engineer - AI Software Engineering Hybrid Remote , Sofia, Bulgaria Apply We are Progress (Nasdaq: PRGS) - the trusted provider of software that enables our customers to develop, deploy and manage responsible, AI powered applications and experiences with agility and ease. We’re proud to have a diverse, global team where we value the individual and enrich our culture by considering varied perspectives because we believe people power progress. Join us as aFull-Stack Engineer - AIand help us do what we do best: propelling business forward. We are seeking an experienced Full-Stack Engineer to join our team in developing AI-powered solutions for complex real-world use cases, innovative projects and cutting-edge explorations. This role involves end-to-end development of AI based assistive features and fully autonomous agents to significantly simplify the job of the IT and Marketing people in developing and maintaining web sites based on ourCMS Sitefinity (https://www.progress.com/sitefinity-cms) . If you have experience building web applications/sites and have deep interest and experience with GenAI and you are looking for a friendly and dynamic team, we’d love to hear from you! In this role, you will: + Work with AI models and agents + Create and orchestrate AI agents + Engineer prompts + Evaluate performance and quality of produced results + Build and maintain RAG workflows + Build microservices and APIs for AI agents + Build UI for chat assistants and agents + Manage end-to-end MLOps/LLMOps, including pipeline automation, continuous deployment, monitoring, model versioning, drift detection. + Deploy and operate AI systems in а Cloud environment + Stay up to date with emerging AI trends, tools and breakthroughs, ensuring integrating relevant advancements to drive innovation. + Collaborate closely with cross-functional teams (e.g. product managers, legal, etc.) to ensure the alignment of AI-driven solutions with strategic business objectives. Your background: + Bachelor's or Master’s degree in Computer Science or equivalent professional experience + Experience with Python, JavaScript, C# or other programing languages + Experience in web technologies – Angular, React + Strong foundational knowledge of LLM architecture and functionality + Real world experience with generative models or other ML/AI algorithms is a plus + Familiarity with agentic frameworks + Familiarity with Vector DBs (Pinecone, Chroma), TensorFlow, PyTorch, Hugging Face, LangChain or other tools + Experience with cloud environments, preferably Azure + Practical experience with AI augmented coding tools (Copilot, Cursor, Claude Code) + Knowledge in measuring and improving agent performance via quantitative metrics is a plus. + Excellent problem-solving abilities and effective communication skills for cross-functional collaboration + Stellar communication skills in English What we offer in return is the opportunity to experience a great company culture with wonderful colleagues to learn from and collaborate with and to enjoy:  Compensation + Generous remuneration package + Employee Stock Purchase Plan Enrollment Vacation, Family, and Health + 30 days paid annual vacation + An extra day off for your birthday + 2 additional days off for volunteering + Premium healthcare and dental care coverage + Additional pension insurance + Well-equipped gym on-site + Co-funded Multisport card + Daycare Center for your little ones onsite + Flexible working hours and the opportunity to work from home. + Free underground parking with designated space for bikes and electric scooters Apply now! #LI-DG1#LI-Hybrid Together, We Make Progress Progress is an inclusive workplace where opportunities to succeed are available to everyone. As a multicultural company serving a global community, we encourage a wide range of points of view and celebrate our diverse backgrounds. Our unique combination of perspectives inspires innovation, connects us to our customers and positively affects our communities. It is only by working together and learning from each other that we make Progress. Join us!