Swasthya Sarathi
A healthcare-companion platform for Swasthya Sarathi
A website and mobile app development project for a multi-service healthcare companion — helping peop...
Read itPortals · Dashboards · Workflow systems
Web Application Development
A web application does work, not just presents content — it holds state, enforces rules and moves money. Our web application development is built on a designed data model, transactions that cannot half-finish, server-enforced permissions, and speed on the phone your users actually hold.
- A data model designed up front, not accumulated over time
- Transactions and concurrency handled so state cannot half-finish
- Permissions enforced server-side, never bypassable from the UI
- Typed API contracts so the frontend cannot silently drift
What this is
A web application does work. Build it like software.
A web application is not a website. A website presents content; a web application does work — it holds state, enforces rules, runs transactions, and gives different people different powers over the same data. A portal, a dashboard, a booking engine, an internal operations tool, a marketplace, a workflow system: these live or die on their architecture, not their homepage. The interface is the part everyone sees; the data model, the permission system and the transaction boundaries are the part that decides whether you are still happy with it in year three.
We do web application development for teams whose product is the application — where users log in, things happen, money or risk moves, and the software is the operation rather than a brochure in front of it. That means typed contracts between the frontend and the API, a data model designed rather than accumulated, transactions that cannot leave the system in a half-finished state, and permissions enforced on the server where they cannot be bypassed. It also means it is fast on the mid-range Android phone your users actually hold, because a web application that stalls on a real connection is a web application people abandon.
If what you need is a five-page content site, we will tell you honestly and point you at the simpler, cheaper answer rather than sell you an application you do not need.
Sound familiar
The problems people bring us.
Not abstractions. These are the exact sentences that arrive in our inbox about applications that already exist.
-
The data model was never designed
Two tables both called users, status stored as free text with eleven spellings, reporting that is guesswork. The schema was accumulated, not designed, and now every feature fights it.
-
Orders end up charged but not recorded
A network blip kills a request halfway and the system is left in a half-finished state. Nobody wrapped the operation in a transaction, so support reconciles by hand every morning.
-
Permissions can be bypassed
Authorisation checked in the UI and forgotten on the server. Craft the right request and a manager reads every other manager's data. The audit came back ugly.
-
It takes nine seconds on a phone
Three megabytes of JavaScript, a homepage firing a hundred and forty queries, images shipped at 4000px. The bounce rate is an architecture problem, not a marketing one.
-
Deploys happen at midnight and everyone holds their breath
Files dragged over FTP, no staging, no rollback, and the last person who understood the server left in 2023 with the SSH key.
-
Nothing talks to anything else
The application, the CRM and the accounting system each hold a different version of the customer, reconciled by hand in a spreadsheet every Friday.
The hard part
State and rules are where applications actually break.
The thing that separates a web application from a website is that it holds state and enforces rules, and both are easy to get subtly, dangerously wrong. Two customers paying for the same seat. An order that is charged but never recorded because a network blip killed the request halfway. A "manager" role that can, through one unguarded endpoint, read every other manager\'s data. None of these are visible in a design file, and all of them are architecture.
We design the data model first, with real entities and real constraints, so the database itself refuses to hold nonsense. Operations that must all-or-nothing succeed run inside transactions with the right isolation level, so a failure rolls the whole thing back rather than leaving a half-booked order behind. Concurrency — the two-people-one-seat problem — is handled with explicit locking or reservations, not hoped away. And every permission is enforced server-side in the model layer, so an authorisation rule cannot be bypassed by crafting a request the UI never intended. This is the unglamorous engineering that a web application is actually made of.
- A data model with real constraints the database enforces
- Transactions so an operation cannot half-finish
- Concurrency handled with locking or reservations, not hope
- Permissions enforced server-side, not just hidden in the UI
What good looks like
Numbers we hold ourselves to.
Every build carries a performance and reliability budget from day one, enforced in continuous integration. These are engineering targets we hold on the mid-range device your users actually own — not a best case found on a laptop over office fibre.
See how we work
<2
Time to interactive
Throttled 4G, mid-range Android. A screen that misses it is treated as a defect, not shipped.
0+
Lighthouse performance
Measured on production, not localhost, and enforced in CI.
<60
Rollback time
Every deploy reversible with one command. The question is how fast you undo a release, not whether it fails.
0%
Uptime target
Stateless app tier, managed database with recovery, alarms before customers notice.
What you get
Everything a web application needs to survive real users.
Not upsells. This is what a web application needs to hold up in production, so it is in every build we do.
A designed data model
Real entities, real constraints and reversible migrations, so the database refuses contradictory state and reporting is a query rather than a guess.
A typed API contract
OpenAPI or an Inertia/typed boundary between frontend and backend. Rename a field and the compiler tells you what broke, before a user does.
Auth & authorisation done properly
Role and policy-based access enforced server-side, session hardening, rate limiting and an audit trail on every privileged action.
A performance budget in CI
Bundle size, query count and time-to-interactive thresholds enforced on every pull request. A regression fails the build; it does not quietly ship.
Integrations that reconcile
Payments, ERPs, logistics and CRMs wired with idempotency and server-side verification, so systems hold one version of the truth, not five.
Observability from day one
Structured logs, error tracking with source maps, uptime checks and a latency dashboard. You learn of a break from a graph, not a customer.
How we build
Five phases. No surprises in month three.
Every phase ends in something you can look at, click on, or read — never a status update.
-
01
Discovery and technical shaping
1–2 weeksWe interview the people who will use the thing, map the domain, draw the data model, list the integrations and name the risks out loud. You leave with a written architecture note, a scope with edges, and a cost we will stand behind. If your budget does not fit the ambition, you hear it here.
-
02
Interface and design system
2–3 weeksWireframes for the flows that carry money or risk, then a component library — tokens, states for every interactive element, and the empty, loading and error cases nobody remembers. We prototype the two or three screens where the product lives and test them with real users.
-
03
Engineering in two-week increments
6–14 weeksVertical slices, not layers: each sprint delivers a working path from interface to database, deployed to a staging URL you can hit from your phone. Every change goes through a reviewed pull request, with tests, static analysis and the performance budget running in CI. A demo and changelog every second Friday.
-
04
Hardening and launch
1–2 weeksLoad testing against realistic traffic, a security pass over the OWASP top ten, accessibility remediation to WCAG 2.2 AA, and a cutover rehearsal on a clone of production. We agree a rollback plan before a launch date. Go-live on a Tuesday morning, dashboards open — never a Friday evening.
-
05
Hypercare and handover
30 days, then ongoingFor the first month we treat your error rate as ours, fix defects at no charge and tune what real traffic reveals. Then we hand over runbooks and an architecture decision log and onboard your team — or roll into a retainer if you would rather we kept the pager.
The stack
Boring, proven, hireable.
We choose tools with a decade of momentum and a hiring pool in India, so you can staff this internally later without a rescue mission.
Laravel 12
PHP 8.4
Node.js
Livewire
Inertia.js
Next.js
React
TypeScript
Tailwind CSS
Vite
PostgreSQL
MySQL
Redis
Meilisearch
GitHub Actions
Docker
Terraform
Playwright
Sentry
The difference
Why this costs more than a template shop.
| Template shop | PRS India | |
|---|---|---|
| Who writes your code | A junior on four projects at once | A senior engineer with a named reviewer |
| The data model | Accumulated as it went | Designed before the first feature |
| Transactions & concurrency | Hoped away | Engineered against explicitly |
| Automated tests | No | Yes |
| Performance budget enforced in CI | No | Yes |
| You own the repo and cloud account | Sometimes, after a fight | From the first commit |
| What happens in year three | Rewrite | Still shipping features |
Proof
All case studies
Applications still in production.
Portals, dashboards and workflow systems under real load, with the constraints and trade-offs written down.
FealDeal
E-commerce — Ethnic Fashion
A high-catalogue ethnic-wear storefront for FealDeal
A Shopify storefront for a Surat ethnic-wear label — 200+ SKUs of lehengas, sarees and suits organised by type, colour, fabric and work, wit...
Shopify
Platform
0+ SKUs
Catalogue
Turant Logistics
Logistics & Supply Chain
Cutting order-to-dispatch by 62% for a 400-truck 3PL
A fleet, ePOD and route-optimisation platform built offline-first for drivers in low-connectivity corridors — because the two off-the-shelf...
0% faster
Faster order-to-dispatch on the ops floor
0% shorter
Shorter POD-to-invoice cycle (8.4 days to 19 hours)
Collection by Rehan
E-commerce — Watches & Accessories
A brand-led watch and eyewear store for Collection by Rehan
A Shopify storefront for a Surat watch and eyewear retailer — browsable by gender, brand, style and combo, with predictive search, COD check...
Shopify
Platform
Brand & style
Browse by
A website presents content; a web application does work. It holds state, enforces rules, runs transactions and gives different users different powers over the same data — a portal, a dashboard, a booking engine, an internal tool, a marketplace, a workflow system. The consequence is that a web application lives or dies on its architecture, not its homepage: the data model, the permission system and the transaction boundaries decide whether it survives real use. We build for that reality, starting with the data model and the flows that carry money or risk, not with a page layout.
By what the application actually does. Heavy server-side logic, complex permissions, back-office tooling, payments and reporting point to Laravel, usually with Livewire or Inertia so we are not maintaining two codebases for no reason. A rich, highly interactive frontend, or a public surface that must rank, points to Next.js and React. Many of our builds are both — a Laravel API serving a typed contract, a React or Next.js frontend consuming it. We make the call in week one against your requirements and write down why.
By treating concurrency and transactions as architecture, not an afterthought. Operations that must all-or-nothing succeed run inside database transactions at the right isolation level, so a failure rolls the whole thing back rather than leaving an order charged but not recorded. The classic two-people-one-seat problem is handled with explicit locking or a reservation model, not by hoping the timing never collides. And the data model carries real constraints so the database itself refuses contradictory state.
That is the only performance target that matters in India, and we test against it directly — throttled 4G on a mid-range Android device, not a laptop on office fibre. Server-rendered HTML where it counts, a JavaScript budget enforced in CI, images at the right dimensions and format, queries that do not fan out into hundreds per request, and a CDN edge close to your users. If a screen cannot reach our interactive-time target on that profile, it is a defect and does not ship.
Completely, from the first commit. The repository lives in your GitHub or GitLab organisation, the cloud account is in your name and billed to you, and every credential is handed over in a vault you control. There is no proprietary framework, no licence fee and no hosting lock-in — nothing that stops another firm picking the project up tomorrow. We would rather earn a continuing relationship than trap you into one.
A focused application — one core workflow, an admin, authentication and payments — is typically 10 to 16 weeks from around ₹9,00,000. A multi-role platform with integrations into an ERP, a payment gateway and a logistics partner runs 18 to 28 weeks and starts around ₹22,00,000. We scope in two-week increments and ship something demonstrable at the end of each, so you are never waiting months to learn whether it works. Integrations are the variable, which discovery exists to price.
Send us the version of the problem you think is unbuildable.
A senior engineer reads every enquiry and replies within one business day with scope, risk and a number. No discovery call required to get a straight answer.
Proof
Shipped, measured, still running.
MV Tech Education
A course and admissions platform for MV Tech Education
A website development project for a Bihar vocational institute — a course-catalogue and admissions s...
Read itPatna Taxi
A booking-focused taxi website for Patna Taxi across Bihar
A website development project for a Patna and Muzaffarpur cab operator — a fast, mobile-first taxi-b...
Read itRelated services
Web Development
Production web applications built on Laravel, Next.js and Postgres — typed, tested, observ...
ExploreMobile App Development
Flutter, React Native and native apps that hold up offline, on old hardware and on a metro...
ExploreEcommerce Development
Commerce platforms where the checkout converts and the back office reconciles — multi-ware...
ExploreLet's talk web application development
Bring us the hard version of the problem.
A senior engineer reads every enquiry. You'll get a real answer — scope, risk and a number — within one business day.