Optimiza · Jun 2021 – Present
Koora Kings
Full-Stack Developer
koorakings.com ↗Built and scaled the Node.js / Sails.js backend for Koora Kings — prediction contests, salary-cap fantasy, and live sports scoring at production scale.
Impact
- 2M+ predictions
- ~180 REST APIs
- Millions of prediction records
Highlights
- Built and maintained the Sails.js backend powering KooraKings sports contests and 2M+ user predictions across approximately 180 REST endpoints.
- Designed prediction-processing workflows supporting join/invite functionality, confidence and risk scoring, and SQL-backed leaderboards handling millions of prediction records.
- Developed an FPL-style salary-cap fantasy system: budget squads, transfers, free-transfer costing, auto-pick, and chips (wildcard, free hit, triple captain, bench boost).
- Integrated external football data providers to synchronize leagues, fixtures, live scores, teams, and player statistics into MySQL.
- Developed CMS and administrative APIs supporting sports operations, sponsored contests, banners, user targeting, and push notifications.
- Implemented backend functionality for contest management, prediction validation, ranking calculations, and user participation workflows.
- Containerized the backend using Docker for consistent staging and production deployments.
Stack
Node.jsSails.jsMySQLFirebaseDockerREST APIs