Open for Contract / Fractional CTO Roles

BUILDING SCALABLE
INTELLIGENCE

I'm Shivam Srivastava. Co-founder & AI Architect. I transform startups into scalable enterprises and build production-grade AI platforms.

$1M+
ARR AT TAGBOX
50M+
DAILY DATA POINTS
7+
YEARS EXP.
2021
NATIONAL STARTUP AWARD
FRACTIONAL CTO SYSTEM DESIGN GENERATIVE AI KUBERNETES NEXT.JS 15 POSTGRESQL LLM OPS
FRACTIONAL CTO SYSTEM DESIGN GENERATIVE AI KUBERNETES NEXT.JS 15 POSTGRESQL LLM OPS

Expertise & Services

🚀

Fractional CTO

Technical strategy for startups. I handle architecture decisions, team mentorship, and roadmap planning so you can focus on growth.

System Design Cost Optimization
🤖

Generative AI

Building intelligent platforms with RAG, vector search, and multi-model routing (Claude/GPT-4). Focused on cost-effective accuracy.

LangChain pgvector

Cloud Native

Scalable microservices using Java/Node.js. Experience deploying to 300+ edge locations and managing Kubernetes clusters at scale.

AWS/GCP/Azure Kafka

Evolution & Impact

MAY 2025 - PRESENT

Co-founder & Engineering Director

Sunja Labs • Deep Mentor
Next.js 15 FastAPI Gemini

Building AI-powered EdTech for UPSC aspirants. Architected intelligent multi-model AI routing system integrating Claude/GPT-4, reducing operational costs by 67%. Leading frontend migration to strict TypeScript.

DEC 2024 - PRESENT

Fractional CTO

E-Commerce Analytics SaaS (India)
Cloudflare ClickHouse React

Leading technical strategy for e-commerce analytics. Built an edge-first personalization platform (GrowthBook alternative) achieving <50ms global latency.

OCT 2024 - PRESENT

Senior Software Engineer (Contract)

Fintech Platform (UK)
Node.js AWS Docker

Architecting scalable Node.js backend for a UK fintech platform. Designed microservices with MySQL for transactional integrity and established comprehensive testing culture.

JUL 2023 - OCT 2024

Lead Digital Engineer

TVS Motor Company
Java Kafka Azure AKS

Led Connected Vehicle platform for 2-wheeler EVs. Improved API performance 12x (1k to 12k RPS) and deployed SmartBike platform across 7 African countries.

SEP 2018 - JUL 2023

Staff Engineer (Founding Team)

TagBox (Acquired by TVS Motors)
Kotlin Vert.x IoT

Key contributor to acquisition. Built BoxLens IoT platform handling 50M+ daily data points. Won National Startup Award 2021 for Covid response solutions.

AUG 2017 - SEP 2018

Software Engineer

Comviva
Java 8 Android

Developed Android payment applications including bWallet. Built middleware APIs enabling dynamic application configurations.

Selected Works

Sunja Labs • Co-founder

Deep Mentor

AI exam prep with 10k+ vector-indexed questions. Smart routing reduced AI costs by 67%. Built with Next.js 15 & FastAPI.

pgvector Claude/GPT-4
E-Commerce SaaS • Fractional CTO

Personalize

Edge-first A/B testing platform (GrowthBook alternative). Reduced client infrastructure costs by 70-80% using scale-to-zero architecture.

<50ms Global Latency
IoT Scale

TVS SmartBike

Connected vehicle platform for 7 African countries.

12,000 RPS
Startup Exit

BoxLens IoT

Scaled to $1M ARR. Acquired by TVS Motors.

ACQUIRED

Let's build the
future.

I'm based in Bengaluru but operate globally. Whether you need a Fractional CTO to set your technical direction or a Lead Architect to build a complex AI system, I'm ready.

Snapshot
System Architecture Expert
Fractional Leadership Advanced
IoT & High Scale Expert
© 2025 Shivam Srivastava