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Senior AI/Backend Engineer

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PostgreSQLFastAPILangGraphAI EngineeringJavaScript / TypeScriptOpenAI IntegrationsLLM Application DevelopmentVector DatabasesNest.jsSnowflakeAmazon BedrockText2SQLPythonGraphQLHybrid SearchDockerExpress.jsMongoDBAI AssistantsAWS / GCP / TerraformNode.jsRAG Pipelines

Description

Viktor is a highly skilled AI and Backend Engineer specializing in LLM application development, RAG pipelines, and AI assistants. He has extensive experience with various AI technologies including Amazon Bedrock, OpenAI integrations, Text2SQL, Vector Databases, and Hybrid Search. His backend expertise covers Python (FastAPI), Node.js (Nest.js, Express.js), GraphQL, and multiple databases like PostgreSQL, MongoDB, and Snowflake. He is proficient in cloud platforms (AWS, GCP, Terraform) and Docker. Viktor is based in Ukraine, works remotely, and is open to working with any timezone with negotiable overlap. He is not willing to relocate.