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Web & App Engineering Fixed scope

Scalable API Backend Build

A well-documented REST backend with authentication, background processing and automated tests, ready for web or mobile clients.

Timeline
22 working days
Price
₹39,999 incl. GST
Reference
NP-WEB-103
Ownership
Delivered into accounts you own

Overview

What this engagement is

The quality of your backend determines how affordable every future change will be. We build APIs on a mature, full-featured framework with deliberate, durable engineering: clean resource controllers, form request validation, migrations that run cleanly on an empty database, queued jobs for slow operations, and automated tests protecting the flows that matter most. Each endpoint is described in OpenAPI, so your web and mobile teams always know exactly what to send and expect. The choice of relational database is yours. The outcome is a service any competent developer can extend with confidence.

Deliverables

What you receive

7 items
  • API application with up to 30 documented REST endpoints
  • Token-based authentication with roles and permission gates
  • Database schema, migrations and seeders for local development
  • Queued jobs and scheduled tasks for email, exports and lengthy operations
  • OpenAPI specification published with an interactive browser
  • Automated test suite covering authentication, validation and core workflows
  • Deployment guide and a complete environment variable reference

Outcomes

What changes once it ships

A contract-first API that front-end teams can begin building against immediately

Automated tests that give future developers confidence to make changes

Background processing keeps heavy work out of the request cycle

Process

How the 4 stages run

  1. Design

    We model your domain, agree the endpoints and write the API contract first

  2. Build

    Endpoints are delivered in vertical slices with tests written alongside

  3. Integrate

    Your client developers work against staging while we complete the build

  4. Harden

    Load checks, error handling review and a full deployment rehearsal

A strong fit for

  • Mobile apps that have outgrown a spreadsheet or no-code backend
  • Teams replacing an ageing codebase that has become too fragile to change
  • Products expecting a second client application in the near future

What we need from you

  • Your data model, or an hour with the person who knows the business rules
  • Hosting and database decisions, or permission for us to recommend
  • Realistic sample data, including the unusual and awkward records

You share these through the brief that opens in your client dashboard once payment is confirmed. The timeline starts when they arrive.

Answers

Questions about this engagement

Several are sound choices. We usually recommend a complete, full-featured framework with a wide hiring pool in India, and we build on your team's existing stack when it already works with one.
Yes. A version prefix is in place from day one, so breaking changes never catch a released mobile app off guard.
We provision the infrastructure and hand the credentials to you. Ongoing hosting and care are available through our Managed Support plans.

This is a digital service — nothing is shipped. Work is delivered to the timeline above, into systems you control, and our refund terms explain what happens if a date is missed.

Often paired with

Engagements that work well alongside.

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GST included

₹39,999

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