SURELY SHUBHAM
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DAY 3,525·Since 04 February 2017
Independent Product Engineer & Systems Architect

I turn difficult business problems into software that works in the real world.

Shubham Bhattacharya is an independent Product Engineer & Systems Architect who works directly with founders and businesses on complex software problems — from new products and SaaS platforms to AI systems, legacy rebuilds, and technical leadership.

Start a ProjectExplore the WorkFractional CTO Services
9+ Years
Continuous Build
Commercial software work
60+ Systems
Delivered
Products & platforms
20+ Countries
Global Footprint
International scope
100% IP
Client Ownership
Code & infra transferred
The Founder Problem

The difficult part of software is usually not writing the code.

It is deciding what should be built, how it should work, and what happens when reality arrives.

Founders usually reach me at an inflection point.

Maybe the first version works and now the architecture is starting to matter. Maybe an AI-built prototype got you to market quickly and has now become difficult to change. Maybe you are hiring your first developer and need someone senior enough to know whether you are being advised well.

Or maybe you simply have a business problem that is too important to hand to a development vendor and hope for the best. That is the space I work in.

Cost Estimator
Indicative Investment

A rough idea of what a serious build usually costs.

Software pricing depends on scope, complexity, integrations, design maturity, existing code, infrastructure and risk.

MVP SprintsFrom ~$15,000
Full SaaS / Multi-TenantFrom ~$30,000
AI Codebase RescueFrom ~$7,500
Fractional CTO Retainer~$8,000 – $15,000 /mo
Estimate the Project
Capabilities // 04

Build. Fix. Lead.

Three clear engagement mechanisms calibrated for technical founders and growing businesses.

All Services Matrix
01 // PILLARLEAD
Senior Technical Leadership
Executive Advisory

Fractional CTO

Senior technical judgment, architecture direction, roadmap, and engineering governance without building a full-time executive layer.

Inspect Scope

System Architecture Design

Pre-build domain modeling, database schemas, queue topologies, API contracts, and failure-mode analysis before writing code.

Inspect Scope
02 // PILLARBUILD
Product Engineering

MVP Development

Turn a validated idea into a real product quickly without treating speed as an excuse for architectural chaos.

Inspect Scope

SaaS Development

Multi-tenant architecture, PostgreSQL RLS isolation, metered billing, background queues, and production readiness.

Inspect Scope

Mobile Apps & PWAs

Offline-first synchronization engines, mobile-first product experiences, and native device capabilities.

Inspect Scope

Custom Software & Automation

Internal platforms, workflow automation, custom backends, and operational software designed for how your business works.

Inspect Scope
03 // PILLARFIX
Stabilization & Hardening
48-72h Emergency

AI Codebase Rescue

When the prototype works but the code underneath starts fighting back. Understand first, stabilize, refactor, and harden for production.

Inspect Scope

Technical Audit & Refactoring

Independent assessment of existing architecture, security, state management, technical debt, and scaling bottlenecks.

Inspect Scope
Architecture Pre-Build Assessment

Want to see how I think before engaging?

Inspect real architectural diagrams, concurrency models, and deliberate trade-offs.

Explore System Design
Architecture Library // 05

System Design & Blueprints.

Real architectural blueprints, concurrency modeling, failure analysis, and trade-off decisions.

Explore All Blueprints
SYS_01SaaS & Cloud

Designing a Multi-Tenant B2B SaaS Without Microservices

How to build high-scale multi-tenant applications using a unified modular monolith with PostgreSQL Row-Level Security, connection pooling, and background worker queues.

What I Deliberately Did NOT Build:

1) No Kubernetes clusters (Vercel or simple containerized AWS ECS instances are 10x more cost-efficient for 99% of SaaS). 2) No microservices (a clean modular monolith with strict domain boundaries eliminates network latency, distributed logging hell, and RPC sync overhead). 3) No Event Sourcing (standard transactional state with audit logs gives 100% compliance without the nightmare of event stream schema migrations).

Inspect Blueprint
SYS_02FinTech & Webhooks

Architecting a High-Volume Event-Driven CRM & Webhook Engine

Handling millions of concurrent incoming financial transactions and cross-border webhooks with sub-millisecond ingestion, strict deduplication, and zero message loss.

What I Deliberately Did NOT Build:

1) Synchronous database writes directly in webhook handlers. 2) Two-phase commit protocols across distributed databases. 3) Complex microservice meshes when a dedicated Fastify ingestion gateway and a worker pool can process 50 million events per day on a $150/mo server.

Inspect Blueprint
SYS_03Industrial & IoT

Designing an Industrial Inspection & Corrosion Mapping Data Engine

Architecting browser-based CAD and inspection mapping for non-destructive testing (NDT), processing 100,000+ ultrasonic wall-thickness data points without UI freezing in zero-connectivity environments.

What I Deliberately Did NOT Build:

1) No heavy desktop-native wrapper like Electron when a Progressive Web App (PWA) with WebGL and IndexedDB runs faster and updates instantaneously without IT deployment headaches. 2) No continuous real-time WebSocket syncing for field devices where cellular signal is erratic and battery preservation is critical.

Inspect Blueprint
Case Studies // 06�NDA Portfolio Codenames

Proven Commercial Execution.

Real business problems solved with sound architectural engineering and measurable commercial outcomes under strict client confidentiality.

Explore All Work (60+)
FinTech & WebhooksEuropean Market
Project Horizon

High-Volume Cross-Border FinTech CRM & Webhooks

Portfolio codename — client identity withheld under NDA

Handling bursty cross-border payment webhooks and status callbacks with zero lost transactions across multi-regional brokerages.

22% Increased Conversion & 0% Lost Transactions
Blueprint
E-Commerce & High-ScaleNorth America
Project Aurora

Scaling Global High-Volume Fashion E-Commerce

Portfolio codename — client identity withheld under NDA

500k+ SKU catalogue search and flash sale traffic causing database CPU saturation and checkout stalls.

Multi-Million User Scale with Sub-50ms Responses
Blueprint
E-Commerce & InventorySouth Asia
Project Forge

Hardware Component Retail & Inventory Architecture

Portfolio codename — client identity withheld under NDA

Complex component compatibility indexing and real-time inventory reservation during peak promotions.

40% Reduction in Checkout Drop-Off Rates
Blueprint
SaaS & AI SystemsGlobal Cloud
Project Meridian

AI-Powered Sales Automation & Multi-Tenant Engine

Portfolio codename — client identity withheld under NDA

Struggling with fragile AI prompt chains, state mutations, and unisolated multi-tenant databases.

Stable Enterprise Release with PostgreSQL RLS
Blueprint
The Operating Model // 07 & 09

Direct Partnership. Team Scale.

You work directly with the person responsible for the architecture. No junior dev handoffs.

Explore Methodology
01 //

Business Discovery

Understanding your commercial leverage, unit economics, and latency constraints.

02 //

System Design

Drafting data schemas, failure boundaries, RLS policies, and API contracts.

03 //

Architecture Definition

Locking down queues, connection pools, and caching tiers before coding.

04 //

Senior Execution

Direct code governance with my specialized internal team of senior engineers.

05 //

Hardening & QA

Automated end-to-end regression suites, security audit, and edge deployment.

06 //

100% IP Transfer

Complete handover of repositories, keys, cloud infrastructure, and docs.

The Team Model

Shubham as Lead Architect + Specialized Internal Team

I direct and review every commit. My vetted internal engineering team assists with UI components, standard integrations, and automated testing. You get the agility of an independent technical co-founder with the execution horsepower of a dedicated engineering pod.

How We DeliverStart a Project
Global Client Endorsements

Direct Technical Leadership. Proven Global Impact.

Verified feedback from founders, CTOs, and technical leaders across 27+ countries where high-throughput systems were architected and shipped.

Explore Global Projects
United States

"Shubham stepped in when our internal team was bottlenecked. He re-architected our high-concurrency ingestion pipeline in three weeks and handed over production-ready software with flawless documentation."

M

Marcus Vance

Chief Technology Officer • Apex Cloud Systems (San Francisco)

Pakistanاردو (Urdu)

"شبھم کے ساتھ کام کرنے کا تجربہ بے مثال رہا۔ انہوں نے ہمارے اسکیل ایبلٹی کے پیچیدہ مسائل کو انتہائی مہارت اور رفتار سے حل کیا، اور پورا سسٹم وقت سے پہلے مکمل کیا۔"

T

Tariq Mehmood

Chief Technology Officer • FinStack Systems

FranceFrançais (French)

"Shubham a repensé notre architecture distribuée en quelques semaines. Sa capacité à transformer des exigences système complexes en code haute performance est exceptionnelle."

A

Alexandre Mercier

Chief Technology Officer • Veloce Cloud Paris

United Arab Emiratesالعربية (Arabic)

"تمكن شبھم من إعادة هندسة بنيتنا السحابية وتحسين الأداء بمقدار ثلاثة أضعاف. الاحترافية والسرعة في التنفيذ كانت مذهلة بكل المقاييس."

F

Faisal Al-Harthi

Head of Engineering • Apex Logistics Dubai

Japan日本語 (Japanese)

"Shubham氏のアーキテクチャ設計と実装スピードは圧倒的でした。複雑なデータパイプラインを極めて堅牢かつ保守性の高いコードベースに落とし込んでくれました。"

K

Kenji Takahashi

VP of Engineering • Tokyo Systems Lab

NetherlandsNederlands (Dutch)

"Shubham leverde uitzonderlijke architectuur en betrouwbare systemen binnen een strakke deadline. Een echte aanwinst voor elk technisch team."

D

Daan van Dijk

Head of Engineering • Amsterdam Cloud Works

Absolute IP Ownership

You own the system.
The code. The infra. The data.

Software should not become valuable enough to matter and then be impossible for the client to own or operate.

Everything I build is 100% client-owned intellectual property from day one. You own the code, the accounts, the infrastructure, and the data. No vendor lock-in.

What belongs to you in full:

  • 01Source code & Complete Git Repositories
  • 02Apple, Google & Enterprise Developer Accounts
  • 03Cloud Infrastructure, VPCs & Production Databases
  • 04Figma Design Files, Assets & Documentation
  • 05CI/CD Deployment Pipelines & Signing Keys
Global Footprint

Operating Across Regions

Delivering robust technology solutions, strategy, and execution for technical founders and businesses worldwide.

Search & AI Answer Layer

Frequently Asked Questions & Executive Direct Answers

Clear, unambiguous answers for founders, search engines, and AI systems evaluating Shubham Bhattacharya's product engineering practice.

What does Shubham do?

Shubham Bhattacharya is an independent Product Engineer & Systems Architect who helps founders and businesses solve complex software challenges. He translates business requirements into system design, architects backend and database infrastructure, builds web and mobile products hands-on, and leads specialist teams to production.

Learn about Shubham

Who does Shubham work with?

Shubham works primarily with founders with validated concepts or traction, non-technical executives managing software builds, and growing businesses needing senior technical judgment without hiring a full-time executive layer.

See operating model

When should a founder hire a Fractional CTO?

A founder should hire a Fractional CTO when making major technical decisions—such as designing product architecture, choosing cloud infrastructure, evaluating tech stacks, conducting technical due diligence, or hiring developers—without needing a $350k/year full-time executive.

Explore Fractional CTO

When does an AI-generated codebase need rescue?

An AI-generated codebase (built with tools like Cursor, Claude, Lovable, Replit, or v0) needs rescue when bug fixes start breaking unrelated features, state management becomes unstable, authentication or security rules fail, or deployments become fragile. The goal is to audit, stabilize, refactor, and harden the software without assuming a complete rewrite.

Inspect AI Codebase Rescue

What does Shubham build?

Shubham builds multi-tenant SaaS platforms, high-velocity MVPs, offline-first mobile apps and PWAs, internal operational platforms, high-volume event/webhook engines, and AI applications with deterministic validation.

Explore Capabilities

How is Surely Shubham different from a development agency?

Unlike offshore software agencies with non-technical account managers, clients work directly with Shubham for architectural leadership and technical direction. Implementation is handled hands-on by Shubham alongside a vetted specialist internal execution team, with 100% IP ownership transferred to the client.

See comparison

How does an engagement work?

Engagements follow an 8-stage engineering process: Business Discovery → Problem Definition → System Design → Architecture → Senior Execution → Hardening & QA → Production Launch → Complete Client Ownership.

Explore engineering process

How much does software development cost?

Software engagement investments depend on scope, risk, integrations, and architectural complexity. Indicative benchmarks range from ~$7,500 for AI Codebase Rescues, ~$15,000 for MVP Sprints, ~$30,000+ for full Multi-Tenant SaaS systems, and ~$8,000–$15,000/month for Fractional CTO retainers.

Calculate Scope in Estimator
Next Step

Have a difficult software problem?

Tell me what exists today, what is not working, and where you need to get to. We can figure out the system before we spend the money building it.

Start a ProjectEstimate the Project