Senior AI Developer

ProArch is seeking a skilled Senior AI Developer to build scalable, end-to-end applications and integrate AI capabilities using OpenAI technologies. The ideal candidate will possess strong backend development skills, experience with cloud platforms (preferably Azure), and expertise in modern search/retrieval systems. You will be responsible for designing and delivering intelligent applications like chatbots and LLM-powered solutions. Working within an Agile framework, you will collaborate with cross-functional teams to develop high-performance, secure, and scalable enterprise applications.

Key Responsibilities:

• Programming with Python and C#/.NET.
• Hands-on experience with Azure OpenAI (GPT-class models) and multi-model support.
• Familiarity with search and vector databases such as Azure AI Search, pgvector, Pinecone, Weaviate, or Milvus.
• Experience with orchestration frameworks like Semantic Kernel, LangChain, or LlamaIndex.
• Knowledge of storage solutions including Azure Blob Storage/ADLS, SQL Server/PostgreSQL, and Cosmos DB.
• Experience with compute services like Azure App Service, Functions, or AKS.
• Exposure to CI/CD pipelines using Azure DevOps or GitHub Actions and Infrastructure as Code tools like Bicep or Terraform.
• Strong understanding of observability practices, including Application Insights/OpenTelemetry, dashboards, and distributed tracing.

Requirements:

• 5+ years of professional software development experience.
• Strong proficiency in Python and C#/.NET, with experience building scalable backend services.
• Experience developing end-to-end solutions, integrating AI capabilities via OpenAI technologies.
• Experience with LLM-powered applications (chatbots, summarization, Q&A systems, agentic workflows).
• Experience with search and retrieval systems (BM25, vector search, hybrid search).
• Familiarity with embeddings, vector databases, and semantic search pipelines.
• Experience with cloud platforms, particularly Azure, including production operations.
• Solid understanding of data structures, API design, system design, testing methodologies, and security best practices.
• Excellent communication, documentation, and cross-functional collaboration skills.