Backend Engineer (freelance, remote)
Jublia (Singapore)
- Sep 2023 to Dec 2023
- L2:jublia-2023
I developed search, matchmaking and feedback analytics services for a Singapore event-tech company.
Highlights
- Improved search relevance by 40% with Elasticsearch and collaborative filtering
- Reduced response time by 25% through PostgreSQL tuning
- Built a LangChain sentiment service for event feedback with 96% accuracy on a 200-sample labelled set
- Made analysis 50% faster with RabbitMQ daily reports and Locust load testing
Tech stack
Elasticsearch
PostgreSQL
LangChain
RabbitMQ
Locust- OpenAI