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Selected work

~/resume/selected work

Freelance Marketplace Backend

Backend development and a microservices migration completed in a 15-member team.

  • Built backend features with Java Spring Boot, PostgreSQL through JPA/Hibernate, and MongoDB.
  • Packaged services and databases with Docker Compose and a dedicated Dockerfile for each service.
  • Helped migrate the platform to microservices using an HTTP API Gateway, RabbitMQ, Kubernetes, and Loki monitoring.
PROJECT SCOPE
0115-member team
02Backend + infrastructure
03Microservices migration
JavaSpring BootPostgreSQLMongoDBDockerKubernetesRabbitMQLoki

Graph-RAG Travel Analytics Assistant

Airline review analytics and recommendations backed by a Neo4j knowledge graph.

  • Used VADER sentiment analysis and machine-learning models to predict passenger satisfaction from review data.
  • Modeled passengers, flights, journeys, and airports as a Neo4j knowledge graph.
  • Built a Streamlit assistant that combines Cypher search, entity extraction, and a large language model.
PROJECT SCOPE
01Airline review analytics
02Knowledge graph
03Conversational interface
PythonNeo4jCypherVADERMachine LearningLLMsStreamlit