Web Apps Built for Scale, Not Demos
We build web applications that survive a Hacker News spike, render fast on a 4G phone in a basement, pass an OWASP review, and don't crumble the first time a paying customer logs in. Real auth, real database design, real CI/CD — not a Vercel deploy of a prototype with 'TODO' in the auth handler.
You don't need another landing page.
You need an app that survives launch day.
Most web apps die not in development but on the day real users show up — the database falls over at 200 concurrent requests, the auth flow has a hole a junior pen-tester finds in ten minutes, and the deploy script is one engineer\'s laptop. We build for the day a real user logs in, not for the screenshot in the pitch deck.
It works in dev, melts in production
No connection pooling, no query plan review, N+1 selects on the dashboard, no caching layer. The app is fine until 50 people log in at once. Then it is not.
The auth has holes
Password reset tokens that never expire, JWTs without rotation, IDOR on every "edit" endpoint, no rate limit on login. The first security audit is going to be painful.
Deploys are a Friday night ritual
No CI, no migrations strategy, no rollback plan. SSH in, git pull, pray. Every deploy is a coin flip and the team has stopped shipping on Fridays.
What You Actually Get
No vague deliverables. Here's exactly what lands in your hands.
A live app on your domain
Deployed to your cloud account, behind your CDN, on your domain, with your SSL. Real environments: dev, staging, production. Not a single shared box with three folders.
Auth that passes a real audit
Sessions or JWTs done right, MFA, password reset that expires, rate limits, audit logs, IDOR-tested endpoints. SSO if you need it. We have been through enterprise security reviews.
Observability from day one
Sentry, structured logs, metrics, uptime checks, alert routing. You will know about the bug before the customer tweets about it.
A rollback plan that actually works
Blue-green or canary deploys. Database migrations are reversible. You can roll back a bad release in under 60 seconds without losing data.
A Real Web Engineering Team
Shipping a web app well needs more than one full-stack developer. Six roles you get on every Pillai Infotech web build.
Senior Frontend Engineer
TypeScript, React or Vue, server components, hydration, accessibility, keyboard navigation. Our <a href="/hire/react-developers" style="color:#00CFFF;text-decoration:none;">React developers</a> care about Core Web Vitals and the difference between 100ms and 600ms time-to-interactive.
Senior Backend Engineer
API design, transactional integrity, queues, background jobs, third-party integrations. Our <a href="/hire/backend-developers" style="color:#00CFFF;text-decoration:none;">backend developers</a> know when to cache and when caching will bite you.
Database Engineer
Schema design, indexes, query plans, migrations, backups. The reason your dashboard still loads in under a second after a million rows.
AppSec Engineer
OWASP top ten, dependency scanning, secrets management, CSP, CORS, rate limits, CSRF. Files what your security auditor needs before the audit starts.
DevOps & SRE
CI/CD, infrastructure as code, observability, on-call runbook. Designs the deploy pipeline so a junior engineer can ship safely on a Friday.
QA & Performance
Playwright end-to-end suites, load testing with k6, accessibility audits, browser matrix testing. Catches the regressions before they reach production.
You See Everything. In Real Time.
Every Pillai Infotech project comes with a dedicated client dashboard. Kanban boards, live logs, test results, meeting notes — it's all visible the moment it happens. No status-report theatre, no "we'll get back to you", no surprises at the demo. You work with us like you work with your own team.
Kanban Board, Live
Every epic, every story, every task — visible on your dashboard. Drag, comment, reprioritize. It's the same board our team works from.
Documented Everything
Every decision, spec, API contract, and architecture diagram lives in the dashboard. Searchable, versioned, linked to the tasks they shaped.
Live Logs & Test Results
Build logs, deployment logs, test suite results — streamed to your dashboard the moment they run. You never have to ask "did the build pass?"
Meetings → Tasks, Automatically
Every meeting is recorded, transcribed, and every action point is auto-converted into a tracked task assigned to the right person. Nothing gets lost between calls.
Sprint Burndown & Velocity
See exactly how much work is done, how much remains, and our velocity over time. If a sprint is slipping, you see it the same moment we do.
Comment, Approve, Decide — In-Place
Comment on any task, approve designs, sign off on specs, and raise blockers directly in the dashboard. Everything tied to the work, not buried in email threads.
Web Apps We Know How to Ship
We pick the architecture to match the workload, not the framework du jour.
💼 SaaS products
Multi-tenant from day one. Per-tenant data isolation, billing, plan limits, SSO, audit logs, admin impersonation, usage metering. Built by our <a href="/hire/full-stack-developers" style="color:#00CFFF;text-decoration:none;">full-stack developers</a> so your sales team can sell into the enterprise.
📊 Internal dashboards & ops tools
The admin panel your team lives in. Fast tables, keyboard shortcuts, bulk actions, audit trail, role-based access. Our <a href="/hire/react-developers" style="color:#00CFFF;text-decoration:none;">React developers</a> design for the operator, not the screenshot.
🛒 Marketplaces & multi-sided apps
Buyer and seller flows on one platform. Payments, escrow, ratings, disputes, messaging. We have shipped these into production, including the boring parts. <a href="/services/custom-software-development" style="color:#00CFFF;text-decoration:none;">Custom software development</a> expertise underpins every marketplace build.
🏥 Regulated industry web apps
Healthcare, fintech, insurance. Audit trails, immutable history, e-sign, role-based access, regulator-ready exports. Our <a href="/hire/backend-developers" style="color:#00CFFF;text-decoration:none;">backend developers</a> build for the auditor, not just the user.
🔌 API products & developer platforms
Public APIs with key management, rate limits, usage metering, SDKs, docs, sandbox. Built by our <a href="/hire/nodejs-developers" style="color:#00CFFF;text-decoration:none;">Node.js developers</a> — the thing your customers integrate against, not the thing they curl once.
🤝 Customer & partner portals
Self-serve portals where customers, partners or franchisees log in. SSO, branding per partner, scoped data, audit per tenant. Want AI-powered features inside the portal? We pair <a href="/consulting/ai-consulting" style="color:#00CFFF;text-decoration:none;">AI consulting</a> into the build.
The Web Stack We Use
Boring, supported, hireable. We pick the stack your next team can also hire for.
Frontend
Backend
Data
Ops & Delivery
A Six-Stage Web Delivery Process
Built around the reality that the day-one user, not the demo, decides if you ship.
Discovery & Workload Sizing
Who logs in, how often, with what data. We size the workload up front — read-heavy vs write-heavy, single-tenant vs multi-tenant, latency-sensitive vs batch. No "we will figure it out".
Architecture & Stack Decision
Picked in week one, in writing, with trade-offs. Monolith vs services, server vs client rendering, queue vs cron — each decision documented with the reason.
Build in Vertical Slices
One end-to-end feature shipped to staging every two weeks. Real auth, real database, real CI. You see progress in the product, not in a Gantt chart.
Load Test, Pen Test, Audit
k6 against critical endpoints, OWASP review, dependency audit, backup-restore drill. Done before launch, not after the breach.
Launch & Monitor
Phased rollout, feature flags, canary release. Sentry and metrics dashboards live before the first user logs in. Hotfix runbook ready on day one.
Warranty & Handover
60-day warranty on shipped code. Knowledge transfer to your team. Optional retainer if you want us to stay; clean exit if you don't.
Three Ways to Engage
Web app projects don't fit one shape. Pick the one that matches your stage.
Web Scoping Sprint
Two-week engagement to size the workload, pick the stack, and produce a real quote and timeline you can take to the board.
- Workload + architecture decision
- Clickable prototype on staging
- Honest build estimate in writing
Fixed-Scope Web Build
End-to-end delivery from spec to production launch, with auth, observability, CI/CD, and post-launch warranty.
- Fixed scope, fixed price
- Typical: 10–20 weeks
- 60-day post-launch warranty
Embedded Web Squad
A dedicated frontend + backend + QA squad working alongside your team on a continuous release cycle.
- Frontend + backend + QA + PM
- Monthly retainer, scale up/down
- Best for: ongoing product roadmap
Honest Answers to Web App Reality Questions
The questions every smart buyer asks before signing. Here's what we tell them.
How much does it cost to build a web application in India?
Custom web application development in India typically ranges from $15,000 for a focused MVP to $150,000+ for an enterprise platform. Indian development teams deliver 40–60% cost savings vs. equivalent US or UK agencies. We give you a fixed written estimate in week one — before you commit to the full build.
How long does web application development take?
A focused MVP takes 10–16 weeks. A mid-size SaaS product with billing, auth, and admin takes 16–28 weeks. Enterprise web applications with complex integrations can take 6–12 months. You get a written timeline at the start — not a Gantt chart that slips every sprint.
What technology stack do you use for web applications?
Frontend: React, Next.js, Vue, TypeScript, Tailwind. Backend: Node.js, NestJS, PHP 8/Laravel, Python/Django, Go. Databases: PostgreSQL, Redis, MongoDB. We pick the stack that fits your workload and that your next hire can maintain — not the framework we prefer. Our backend developers and React developers work in tandem on most builds.
Do you provide post-launch support?
Yes. Every web application includes a 60-day post-launch warranty on shipped code. Beyond that, optional monthly retainers cover monitoring, security patches, dependency updates, and feature iterations. We do not disappear at go-live — that is when the real problems appear.
Can I hire dedicated developers for my web application?
Yes. You can engage a dedicated team — full-stack developers, backend developers, QA engineers, and a PM — on a monthly retainer. This suits ongoing product roadmaps where you need continuous delivery, not a one-time build.
Next.js, Laravel, Django, or something else?
Depends on your team, your workload, and what your next hire will know. We will not push the framework we are most fluent in if it does not fit. We have shipped production apps in all four and we will tell you honestly which one fits your situation.
Who owns the code and the cloud account?
You do. Code in your GitHub org. AWS / GCP / Azure / Hetzner account in your billing. Domain in your registrar. The contract has a one-line walk-away clause: take the repo and go. No lock-in.
What about security and compliance?
OWASP top ten covered by default. Auth audited, dependencies scanned in CI, secrets in a vault, rate limits on every endpoint. For SOC 2, ISO 27001, HIPAA or PCI we work with your auditor and produce the evidence they need.
How do you handle database migrations safely?
Forward-compatible, reversible migrations. Big schema changes happen in two passes — add the new column, dual-write, backfill, switch reads, drop the old column. No downtime windows you have to negotiate with customers.
Can you sign an NDA before we share details?
Always. NDA before the first call. Source and design assets stay under your control. We are happy to work inside your tooling if that is what compliance requires.