03

Selected work

~/resume/selected work
PROJECT_01open repository ↗

Freelance Marketplace Backend

A microservices migration built by a 15-member engineering team.

  • Developed backend features with Java Spring Boot, PostgreSQL through JPA/Hibernate, and MongoDB.
  • Containerized services and databases with Docker Compose and dedicated per-service Dockerfiles.
  • Migrated the platform to microservices using an HTTP API Gateway, RabbitMQ, Kubernetes, and Loki-based monitoring.
SYSTEM FLOW
01API Gateway↓
02Spring services↓
03RabbitMQ↓
04Kubernetes
JavaSpring BootPostgreSQLMongoDBDockerKubernetesRabbitMQLoki
PROJECT_02open notebook ↗

Graph-RAG Travel Analytics Assistant

Airline analytics and recommendations grounded in a Neo4j knowledge graph.

  • Built sentiment analysis with VADER and machine-learning models to predict passenger satisfaction from review data.
  • Modeled passengers, flights, journeys, and airports in Neo4j.
  • Combined Cypher retrieval, entity extraction, and LLMs in an interactive Streamlit assistant.
SYSTEM FLOW
01Review data↓
02Neo4j + Cypher↓
03LLM↓
04Streamlit
PythonNeo4jCypherVADERMachine LearningLLMsStreamlit