Web app development services that actually scale.

Clustercraft is a web application development company based in Ahmedabad, India. We build production-grade SaaS platforms, multi-tenant dashboards, and enterprise web applications on Next.js, React, and Node — for clients across India, the United States, the United Kingdom, the UAE, and Singapore.

/ 01 — Overview

Web app development services, end-to-end.

We design, build, and ship production web applications — from a logged-in SaaS dashboard to a multi-tenant platform serving thousands of users. Every web app development services engagement runs through the same in-house team: senior engineers writing the code, designers shaping the interface, and DevOps deploying it to production. One team, one timeline, one accountable point of contact.

/ 02 — What's included

What's included in our web app development services.

Every web app development services engagement at Clustercraft includes the work below as standard. No surprise add-ons, no separate invoices for foundations.

/ 01

Discovery, scoping, and technical architecture

Stakeholder workshops, technical audit, data modelling, and a written project scope with milestones.

Workshop notesArchitecture diagramsWritten scope
/ 02

UI/UX design and prototyping

User flows, wireframes, high-fidelity Figma prototypes, and a starter design system.

User flowsFigma filesDesign system
/ 03

Frontend and backend engineering

Production-grade code on the agreed stack — typically Next.js, React, and Node — with TypeScript end-to-end.

Next.jsTypeScriptAutomated tests
/ 04

Database, API, and integration work

Schema design, API surfaces (REST, GraphQL, or tRPC), and third-party integrations.

PostgresAPI designStripe / Auth0
/ 05

DevOps, CI/CD, and cloud infrastructure

Cloud setup on AWS, Vercel, or your preferred provider. CI/CD pipelines, staging environments.

AWS / VercelGitHub ActionsTerraform
/ 06

Performance, security, and SEO baseline

Lighthouse 90+ enforced in CI. Sub-100ms p95 on critical routes. Security review.

Lighthouse 90+Security auditTechnical SEO
/ 07

Documentation and knowledge transfer

README files, architecture decision records, API documentation, and recorded handoff sessions.

READMEsLoom walkthroughsAPI docs
/ 08

30-day post-launch stabilisation

Bug fixes, monitoring tuning, and small adjustments based on real user behaviour.

Bug fixesMonitoringUX tuning
/ 03 — What we build

Web applications we ship most often.

Our custom web application development work falls into a handful of recognisable shapes.

/ 01 — SaaS platforms

Multi-tenant SaaS web apps

Subscription products with role-based access control, billing integrations, audit logs, and admin tooling.

Tenant isolationRBACStripeAudit logsFeature flags
/ 02 — Dashboards

Operational and analytics dashboards

Internal tools for ops teams, customer-facing analytics dashboards.

Real-time dataVirtualised tablesChartsExports
/ 03 — Marketplaces

Two-sided marketplaces & B2B portals

Buyer–seller platforms, vendor portals, and B2B procurement tools.

Multi-role authSearchNotificationsWorkflows
/ 04 — Internal tools

Internal tools & admin systems

Custom CRMs, ops dashboards, and workflow systems that replace spreadsheet sprawl.

CRUD adminWorkflowsBulk operationsSSO
/ 05 — API-first products

API-first & headless web platforms

Products where the API is the product, with a thin web app on top.

RESTGraphQLtRPCAPI docsRate limiting
/ 06 — AI-native apps

AI-native web applications

LLM-driven products with RAG pipelines, vector search, agent workflows.

OpenAIAnthropicRAGVector DBEvals
/ 04 — Technology stack

The web app development stack we work in.

We have opinions, not preferences. The technologies below are what we ship in production today.

— Frontend
Next.jsReactTypeScriptTailwind CSSVueAstro
— Backend
Node.jsPythonGoFastAPItRPCGraphQLREST
— Database
PostgresRedisMongoDBClickHousePinecone
— Infra & Cloud
AWSVercelCloudflareDockerTerraformGitHub Actions
— Auth & Payments
Auth0ClerkNextAuthStripeRazorpay
— Observability
SentryDatadogGrafanaPostHogOpenTelemetry

Stack neutrality

We have favourites, but we're not religious about them. If you have an existing codebase in a different stack, we'll adapt to it.

/ 05 — How we deliver

A web app development process built around shipping.

The same shape across every engagement. Designed so you see real software early, course-correct often, and ship without surprises.

01

Discovery and technical scoping

We start with workshops to understand the product, the users, and the business model behind it.

Week 1
02

Product and UX design

User flows, wireframes, then high-fidelity prototypes in Figma.

Weeks 2–4
03

Architecture and foundations

We set up the codebase, CI/CD, staging environments, authentication, and the data model before writing feature code.

Weeks 4–5
04

Sprint development

Two-week sprints. Working software demoed every Friday.

Weeks 5–14
05

QA, performance, and security

Before launch, every project goes through structured QA, performance testing under realistic load.

Weeks 14–15
06

Launch and stabilisation

Production deployment, monitoring setup, and a 30-day stabilisation window.

Week 16+
/ 06 — Sectors served

Industries where we ship web apps regularly.

Sectors where we've built up patterns, integrations, and compliance know-how that carry over from project to project.

SaaS
Fintech
D2C & Commerce
Healthcare
EdTech
Logistics
/ 07 — Why Clustercraft

Why teams choose us as their web app development partner.

What makes the work different in practice — beyond the marketing claims that every IT services company makes.

Senior people on every project

No juniors hidden behind account managers. Every engineer, designer, and marketer has at least seven years of production experience.

Code you can take over

We write the kind of code that other engineering teams can read, extend, and maintain. Full IP transfer is standard.

Built to perform

Every web application we ship has performance budgets enforced from day one. Lighthouse 90+ on every public page.

Working in your timezone

Daily standups on the client's clock. Active clients across India, the US, the UK, the UAE, and Singapore.

/ 08 — Case study

A web app we recently shipped.

One of forty-plus production web applications. Full case study with the brief, the calls we made, and what shipped.

Featured CaseFintechSeries AWeb App

Underwriting platform that approves loans in minutes

A custom web application replacing a 14-step manual underwriting workflow with a single guided flow. Built on Next.js and Postgres, deployed on AWS.

62%
Faster approvals
3.2×
Completion rate
14ms
API p95 latency
Read full case study →
/ 09 — FAQ

Web app development questions, answered.

The questions most clients ask before they brief us. If yours isn't here, ask on the scoping call.

What's the difference between a web app and a website?

A website is mostly content — pages users read. A web application is software users interact with: they log in, perform actions, store data, and the app responds.

Why Next.js? Can you build with other frameworks?

Next.js is our default for new projects because it solves real problems out of the box. That said, we ship in Vue, Astro, and plain React when the project calls for it.

How long does custom web application development take?

A focused MVP typically ships in 8 to 12 weeks. A full SaaS platform takes 12 to 20 weeks. Enterprise applications can run 6 months or longer.

Can you take over an existing web application?

Yes — about a third of our work starts this way. We run a paid two-week audit covering the codebase, architecture, performance, security, and tech debt.

Who owns the code and design files?

You do. Full IP transfer is standard in our contracts. Code lives in your GitHub or GitLab from day one.

Do you work with our existing engineering or design team?

Frequently. We embed cleanly with internal teams — attending standups, contributing to your repos under your branching conventions.

What about ongoing maintenance after launch?

Three options after launch: clean hand-off, care retainer, or full growth retainer.

Do you sign NDAs and handle compliance requirements?

Yes. NDAs are routine. For projects involving regulated data we work in your environment, sign DPAs, and follow the security practices required.

Can you help with hosting and DevOps too?

Yes. Cloud setup, CI/CD pipelines, Terraform, monitoring, and incident response are all part of our delivery.

Have a web app to build or rebuild?

Send a brief, even a rough one. We'll come back within one business day with questions and a free 30-minute scoping call.

Discuss your project →