Senior AI Developer

Description

Join the CEE IT Digital Solutions team to build high-quality enterprise AI solutions.

You will collaborate with developers, business analysts, project managers, security teams and other stakeholders to design, build, ship and maintain AI solutions, mainly on the Microsoft Power Platform and Azure.

The role suits a hands-on developer with strong Microsoft Copilot Studio, Microsoft Foundry, AI agent and Azure experience, plus modern AI engineering frameworks. You should be able to prototype quickly, deliver MVPs and turn them into production-ready systems, while steadily improving them and applying solid engineering, security and delivery practices.

Responsibilities

• Build, test, deploy and support AI solutions using Microsoft Copilot Studio, Microsoft Foundry, Azure and related tools.
• Design and implement AI agents, workflows, orchestration patterns, integrations and Human-in-the-Loop solutions.
• Develop AI-powered applications, APIs, services, prototypes, MVPs and production-ready systems.
• Apply RAG, knowledge grounding, embeddings, chunking and vector search to make AI answers more accurate and relevant.
• Connect solutions to enterprise systems, Microsoft services, databases, APIs and cloud services.
• Build on Azure services such as App Services, Functions, Blob Storage, Key Vault, Azure SQL and other Azure platform services.
• Improve prompts, model choice, evaluation, monitoring and observability for AI solutions over time.
• Troubleshoot, debug, tune and maintain AI solutions in development, test and production.
• Produce reusable assets, templates, technical documentation and engineering best practices.
• Help colleagues build their AI engineering skills.

Requirements

• 5+ years in software engineering, application development or intelligent automation development.
• 2+ years designing and delivering AI, GenAI, intelligent automation or machine learning solutions.
• Advanced hands-on skill with Microsoft Copilot Studio, including agents, workflows, evaluation, orchestration, integrations, skills and topics.
• Strong hands-on experience with Microsoft Foundry, including hosting custom agents on it.
• Strong experience with Azure OpenAI and Azure AI Search.
• Proficient in Python.
• Basic knowledge of Streamlit for AI apps, demos, internal tools or prototypes.
• Strong grasp of REST APIs and hands-on work with frameworks such as Spring Boot, FastAPI, Express.js or similar.
• Practical experience with Azure cloud services such as App Services, Azure Functions, Blob Storage, Key Vault, Azure SQL, storage, integration and other Azure platform services.
• Hands-on SQL and relational database work for application development, data analysis and troubleshooting.
• GitHub and source control knowledge.
• Prompt engineering skills.
• Applied knowledge of MCP (Model Context Protocol) and familiarity with LangChain and/or LangGraph.
• Strong understanding of AI-assisted development with tools such as M365 Copilot, Cursor AI, Claude Code and similar assistants.
• Solid knowledge of embeddings, chunking strategies, vector search architectures and RAG.
• Experience with agentic workflows, orchestration patterns, multi-agent solutions and Human-in-the-Loop AI workflows.
• Experience with LLM evaluation, AI quality metrics, benchmarking and solution evaluation methods.
• Understanding of AI observability, tracing and monitoring.
• Awareness of AI cost and token consumption.
• Ability to write clean, modular, maintainable and well-documented code.
• Ability to communicate clearly with both technical and business audiences.
• Fluent spoken and written English.
• Power Automate.
• Azure DevOps CI/CD.
• Microsoft Graph API.
• Agentic frameworks such as Microsoft Agent Framework, AutoGen, CrewAI and other modern options.
• Vector databases such as Qdrant and ChromaDB.
• Data and analytics platforms such as Databricks and Microsoft Fabric.
• Containers, Docker and Kubernetes.
• Voice agents and conversational AI, including platforms such as ElevenLabs or similar providers.

Conditions

The role is hybrid, based at a modern office in central Sofia.

The company is the controller of your application data, used for this hiring process and, with explicit consent, for future recruitment and job event notices.

Benefits

• Work with leading local and international clients, industry experts and the group's global network.
• Challenging, meaningful projects that build your career and let you make an impact.
• Continuous learning through technical training, coaching and support for relevant professional qualifications.
• A collaborative, inclusive culture where you can learn, contribute and grow.
• Competitive pay and benefits, including 25 days of annual leave, extra health insurance, meal vouchers at the maximum amount, a Multisport card, annual fringe benefits and wellbeing initiatives.
• Clear career progression and support for a long-term career at the firm.