Senior AI Developer
Salary not listed • Sofia • Full-time
Posted 5d ago
About the job
We are seeking a Senior AI Developer to join our CEE IT Digital Solutions team and contribute to building high-quality enterprise AI solutions. You will collaborate with a diverse team of developers, business analysts, project managers, and security experts to design, develop, deploy, and support AI-based solutions, primarily leveraging the Microsoft Power Platform and Azure ecosystem. This role is perfect for a hands-on developer with substantial experience in Microsoft Copilot Studio, Microsoft Foundry, AI agents, Azure services, and modern AI engineering frameworks, capable of rapid prototyping, delivering MVPs, and building production-ready solutions while adhering to strong engineering, security, and delivery practices.
Responsibilities
- Build, test, deploy, and support AI-based solutions using Microsoft Copilot Studio, Microsoft Foundry, and Azure.
- 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 solutions.
- Implement RAG, knowledge grounding, embeddings, chunking, and vector search approaches.
- Build integrations with enterprise systems, Microsoft services, databases, and cloud services.
- Develop solutions using Azure services like App Services, Functions, Blob Storage, Key Vault, and Azure SQL.
- Optimize prompt engineering strategies, model selection, evaluation, monitoring, and continuous improvement of AI solutions.
- Troubleshoot, debug, optimize, and maintain AI solutions across environments.
- Create reusable assets, templates, and technical documentation.
- Support team members in growing AI engineering capabilities.
Requirements
- 5+ years of experience in software engineering, application development, or intelligent automation development.
- 2+ years of experience designing and delivering AI, GenAI, intelligent automation, or machine learning solutions.
- Advanced hands-on experience with Microsoft Copilot Studio (agents, workflows, evaluation, orchestration, integrations, skills, topics).
- Strong hands-on experience with Microsoft Foundry, including custom agent hosting.
- Strong experience with Azure OpenAI and Azure AI Search.
- Proficient Python development skills.
- Basic knowledge of Streamlit for building AI applications.
- Strong understanding of REST APIs and experience with API development frameworks (e.g., Spring Boot, FastAPI, Express.js).
- Practical experience with Azure cloud services (e.g., App Services, Azure Functions, Blob Storage, Key Vault, Azure SQL).
- Hands-on experience with SQL and relational databases.
- GitHub and source control knowledge.
- Prompt Engineering skills.
- Applied knowledge of Model Context Protocol (MCP).
- Familiarity with LangChain and/or LangGraph.
- Strong understanding of AI-assisted software development practices and tools (e.g., M365 Copilot, Cursor AI).
- Solid knowledge of embeddings, chunking strategies, vector search architectures, and RAG implementations.
- Experience implementing agentic workflows, orchestration patterns, multi-agent solutions, and Human-in-the-Loop AI workflows.
- Experience with LLM evaluation techniques, AI quality metrics, and benchmarking.
- Understanding of AI observability, tracing, and monitoring concepts.
- Awareness of AI cost optimization and token consumption.
- Ability to write clean, modular, maintainable, and well-documented code.
- Ability to communicate effectively with technical and business audiences.
- Fluent spoken and written English.
Benefits
- Opportunities to work with leading local and international clients, industry experts, and the global PwC network.
- Challenging and meaningful projects for professional growth and impact.
- Continuous learning and development through technical training, coaching, and support for professional qualifications.
- Collaborative and inclusive culture.
- Flexible ways of working, including a hybrid model.
- Modern office in central Sofia.
- Competitive reward and benefits package.
- 25 days of annual leave.
- Additional health insurance.
- Maximum amount meal vouchers.
- Multisport card.
- Annual fringe benefits and wellbeing initiatives.
- Clear career growth opportunities and support for long-term career building.