Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (AI): Developing AI-powered assistive features and autonomous agents for web development platforms with an accent on RAG workflows, LLM orchestration, and MLOps. Focus on building microservices and front-end interfaces for complex real-world use cases, ensuring high performance and scalability in cloud environments.

Location: Hybrid in Sofia, Bulgaria (remote options available)

Company

A trusted provider of software products designed to help customers develop, deploy, and manage applications safely and securely.

What you will do

• Work with and orchestrate advanced AI models and agents
• Engineer prompts and maintain RAG workflows
• Build microservices and APIs for AI-driven assistants
• Develop user interfaces for chat assistants and agents
• Manage end-to-end MLOps/LLMOps pipelines, including deployment and monitoring
• Collaborate with product and legal teams on AI solutions

Requirements

• Must be based in or able to work from Sofia, Bulgaria
• Bachelor's or Master’s degree in Computer Science
• Proficiency in Python, JavaScript, or C#
• Experience with web technologies such as Angular or React
• Strong foundational knowledge of LLM architecture
• Experience with cloud environments, preferably Azure
• Stellar communication skills in English

Nice to have

• Practical experience with generative models or agentic frameworks
• Familiarity with Vector DBs, TensorFlow, PyTorch, or LangChain
• Experience with AI augmented coding tools like Cursor or Copilot
• Knowledge in measuring agent performance metrics

Culture & Benefits

• 30 days paid annual vacation plus birthday and volunteering days
• Premium healthcare and dental coverage
• Additional pension insurance
• On-site gym and Multisport card
• On-site daycare center
• Flexible working hours with work-from-home options
• Free underground parking with electric scooter and bike spaces