Legend11 Multi-Sport Fantasy Platform

Enterprise-grade fantasy sports solution supporting cricket, soccer, basketball, and baseball with real-time scoring and scalable contests.

Fantasy Sports Technology

Client Overview & Business Case

Client: Legend11

Industry: Fantasy Sports Technology

Services: UI/UX Design, Web Development, Mobile App Development, Digital Marketing

Technologies: NestJS, MongoDB, Redis, Microservices, Socket.IO, AWS SES, RazorPay

Platform Challenges

Building a unified fantasy sports experience across different sports with distinct scoring models, match data sources, and real-time streaming requirements.

Real-time multi-sport data synchronization at scale

Handling 500,000+ concurrent users during peak tournaments

Custom scoring engines for cricket, soccer, basketball & baseball

Secure and compliant transaction handling with high throughput

Key Objectives

Enable multi-sport fantasy contest support with unified UX

Ensure real-time scoring and leaderboard updates

Build scalable microservice-based backend architecture

Support secure wallet, payments & withdrawal workflows

Technical Architecture & Strategic Approach

Legend11 was engineered as a modular fantasy platform built on microservices, real-time event broadcasting, and scalable backend infrastructure. Each sport was modeled as an independent scoring module while sharing a common wallet, contest logic, and authentication layer. This allowed the platform to deliver a unified user experience while maintaining sport-specific flexibility and peak performance during major tournaments.

Architecture Highlights

NestJS backend with microservice modules

MongoDB for highly dynamic scoring & contest data

Redis for low-latency caching & real-time operations

Socket.IO for event-driven scoring updates

AWS SES with SMTP fallback for reliable communication

Unified wallet & payment system across all sports

Platform Screens & User Experience

Screens illustrating multi-sport contest creation, match scoring, payment workflows, and leaderboard interactions.

What These Screens Show

• Unified onboarding & user authentication
• Match-level scoring & sport-specific modules
• Real-time leaderboards powered by Socket.IO
• Wallet, payments & withdrawals workflows

Key Functional Capabilities

Designed to maximize user engagement, participation, and cross-sport monetization.

Dynamic contest creation & customization

Real-time scoring & leaderboard engine

Cross-sport unified wallet & payouts

Referral & incentive engagement modules

Hybrid cloud/local storage for assets & banners

Automated featured match highlights & indicators

Performance & Business Results

Legend11 successfully delivered multi-sport capabilities with high reliability, real-time updates, and improved user growth.

Average API response at 120ms across modules

99.8% data sync accuracy across match data providers

25% user growth through gamified referrals

99.98% uptime during international tournaments

UI/UX & Engagement Improvements

• Unified multi-sport interface for seamless switching
• Mobile-first leaderboard interactions during matches
• Improved onboarding flow increasing conversions by 35%
• 40% DAU increase via targeted notifications & engagement prompts

Conclusion & Future Roadmap

Legend11 demonstrated successful adoption of multi-sport fantasy operations at enterprise scale. Future roadmap focuses on international expansion and predictive capabilities:

• AI-powered player projections & predictive modeling
• Expansion to tier-1 international leagues
• Segmented user engagement & personalized notifications
• Multi-country wallets & regulatory compliance handling

Looking to Build a Fantasy Sports Platform?

We help startups and enterprises build scalable multi-sport fantasy ecosystems with real-time scoring, payments, leaderboards, and engagement workflows.