available for collaboration

Swapnil Swaraj Sinha

I architect systems and ship products.

Full-stack engineer obsessed with AI, scalable platforms, and clean interfaces.

Ask me anything...

About

Engineering products that scale.

Technology Leader and Systems Architect with deep expertise in Voice AI, Flutter, and scalable full-stack ecosystems. I possess a proven track record of leading multidisciplinary teams and architecting mission-critical platforms—ranging from secure payment systems and enterprise SaaS products to high-signal observability stacks.

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Years Experience

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Projects Built

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Microservices

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Teams Led

Experience

Where I've worked.

Skills

Tech I work with.

Languages

DartTypeScriptJavaScriptPythonC/C++C#SQLHTML/CSS

Mobile & Web

FlutterReactReact NativeNext.jsViteRiverpodBLoCGetXMobXZustand

Backend & APIs

Node.jsExpressSequelizePrismaFastAPIFirebase FunctionsLangGraph

Voice AI & LLM

Azure OpenAIAWS BedrockDeepgramElevenLabsSarvamCartesiaOpenAIMem0fastText

Realtime & Telephony

WebSocketsSocket.IOWebRTCLiveKitRabbitMQSIPTwilioExotel

Data & Infrastructure

PostgreSQLMongoDBRedisFirestoreMySQLDockerAWSFirebaseGCP

Observability & Payments

GrafanaPrometheusCloudWatchRazorpayStripeRevolut

Architecture & DevOps

Clean ArchitectureMicroservicesCI/CDJenkinsCodemagicGitHub Actions

Projects

Things I've built.

FOAN Voice AI Platform

Enterprise-grade intelligent voice agents

Full-stack Voice AI SaaS with 6 microservices, real-time STT→LLM→TTS pipelines, 3-layer interrupt system, campaign engine, and multi-gateway payments.

Node.jsPythonLiveKitNext.jsPostgreSQLMongoDBRedisDocker

Muncho 2.0

Restaurant tech platform at scale

Complete restaurant operations platform handling multi-crore GMV with 5-7 lakh orders/month. 8 sub-projects spanning backend, mobile apps, and dashboards.

Node.jsFlutterReact NativeReactNext.jsRazorpayRedis

Jurislogica

AI co-pilot for lawyers

Secure legal-assistant prototype with chat + document context and auditable AI workflows. Low-latency Socket.IO streaming with Azure-backed reasoning.

Node.jsReactSocket.IOAzure AI

Need for Car

Enhanced automotive POS system

Desktop-first POS for auto part dealers with multi-tenant SaaS, GST-compliant invoicing, real-time inventory, and supplier marketplace.

ReactTypeScriptNode.jsPostgreSQLTailwind

Sports Connect

Hiring platform for athletes

Two-sided hiring marketplace with athlete profiles, recruiter dashboards, advanced search, and application tracking with in-app communications.

FlutterNode.jsPostgreSQLGCP
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Contact

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Have a project in mind, want to collaborate, or just want to chat? Always open to interesting conversations.

Email

Let's talk

Phone

+91 8987766882

Location

Bengaluru, India

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© 2026 Swapnil Swaraj Sinha

From localhost to the world 🚀