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How we built a high-performance Node.js middleware that scaled transaction processing by 300%

300%
Increase in transaction
25%
Growth user engagement
70%
Reduction reconciliation efforts
300%
Increase in transaction
25%
Growth user engagement
70%
Reduction reconciliation efforts

Industry: Online Entertainment & Gaming

 

Country: Global (multi-platform client)
Company Size: Mid-sized operator with multiple digital platforms

Project challenges

The client’s multiple platforms created data silos and inconsistencies in transaction handling. Issues included:

  • Inability to process high transaction volumes efficiently.

  • Lack of a centralised hub for transactions across platforms.

  • Manual reconciliation processes slowed operations.

  • Security risks due to scattered transaction logging.

 

Website goals

Business Goals:

  • Build a centralised middleware to unify transaction handling.

  • Improve efficiency, accuracy, and transparency across platforms.

  • Increase user engagement by reducing downtime and delays.

Technical Goals:

  • Develop a high-performance Node.js + Express API for transaction routing.

  • Implement HMAC-SHA256 encryption for request authentication.

  • Use MySQL for logging and auditing, ensuring compliance and traceability.

  • Enable scalable async I/O to support growing transaction loads.

  • Design with flexibility to onboard new platforms quickly.

 

Solutions delivered

Byteonic Labs built a custom Node.js middleware that acts as a central hub for all transaction processing:

  • High-performance Express API: Handles multiple actions, including balance checks, wins, refunds, and deposits.

  • Secure by design: HMAC-SHA256 ensures every request is authenticated and tamper-proof.

  • Real-time logging: MySQL-backed logging system tracks all activity for auditing and reporting.

  • Dynamic configuration: Middleware adapts to new platform integrations without downtime.

  • Optimised async I/O: Supports high concurrency with minimal resource usage.

 

Results of our collaboration

  • 300% increase in transaction volume handled with no performance bottlenecks.

  • 25% boost in user engagement due to faster, seamless transaction handling.

  • 70% reduction in reconciliation time thanks to automated logging and auditing.

  • Faster onboarding: 3 new platforms integrated within 2 months.

 

Reflecting Byteonic Labs’ values

This project showcases Byteonic Labs’ ability to design systems that are:

  • Scalable: Built to handle future transaction growth.

  • Secure: Enforced with strong encryption and authentication.

  • Reliable: Automated logging reduces manual overhead.

  • Flexible: Modular design for onboarding new platforms quickly.

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