Real-Time Sportsbook Odds Aggregation Platform (15+ Bookmakers, <5s Latency)

We are looking for an experienced developer or team to build a real-time sportsbook odds aggregation platform.

The system will collect odds and event data from the following bookmakers:
Fonbet
Betcity
Liga Stavok
1xBet
Bet365
Pinnacle
BetBoom Cyber
Marathon
Tipsport
NordicBet
William Hill
Sport888
Dafabet
SBOBET
Bet188

Requirements:
- Real-Time Data Collection
Collect live odds and event data from all supported bookmakers.
Refresh interval: every 5 seconds or better.
Support concurrent data collection from multiple sources.
Reliable operation with automatic error handling and recovery.

- Data Normalization
Convert bookmaker-specific data into a unified format.
Standardize event names, teams, leagues, markets, and odds.
Create consistent internal event and market identifiers.

- Database Storage
Store normalized data in a database.
Support efficient querying and retrieval.
Historical odds storage is a plus.

- Dashboard
A simple dashboard is sufficient and should provide:
Live odds monitoring
Filtering by bookmaker and event
Last update timestamps
Basic search functionality
Real-time updates without page refresh

-Performance
The most important requirement is maintaining end-to-end latency below 5 seconds, including collection, normalization, storage, and dashboard display.

-Deliverables
Complete source code
Database schema
Deployment documentation
Dashboard interface
Logging and monitoring setup


- Required Questions (Please Only Answer in Your Proposal)
1 How will you collect data from each bookmaker?
2 Will you use official APIs, WebSockets, browser automation, or custom parsers? Please explain your approach for each bookmaker where applicable.
3 How will you handle anti-bot protections, rate limits, connection failures, and data source changes?
4 How will you ensure all bookmakers are updated within the required 5-second refresh window while maintaining system stability and accuracy?