I build reliable, high-throughput payment and communication systems for fintech platforms.
My work lives at the intersection of scalability, concurrency, and financial precision — where milliseconds and consistency matter.

A system-driven engineer who thinks in flows, not functions.
I specialize in designing backend architectures that handle millions of financial and communication transactions with speed, integrity, and observability.
I bridge engineering and finance, converting product vision into resilient tech infrastructure.

• Core Fintech Platform: Engineered payin/payout services integrating UPI, cards, wallets, and netbanking with transactional guarantees and fail-safe routing.
• Event-Driven Outbox Hub: Designed and implemented a Go-based asynchronous event hub that improved reliability across multiple payment channels.
• CPaaS Platform (Chitchaat): Built infrastructure powering SMS, WhatsApp, RCS, and voice/video messaging for enterprise communication.
• Performance-Focused APIs: Refactored legacy Java services and Go microservices to reduce latency and scale under heavy load.

I led the development of a high-throughput payout orchestration system — reducing transaction bottlenecks and downtime by more than 60%, while enabling seamless multi-bank integration.
This system became a core backbone for large-scale disbursements and vendor payments, handling thousands of concurrent transfers per second.

That’s not just code — it’s infrastructure that moves money.

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"I engineer systems that don’t just work — they sustain, scale, and move real value."
— Dharanitharan