Python development in Kolkata

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Python development

Backend systems, automation and data work in a language that is quick to write and unusually easy to hand over.

Backend and data

Chosen per project

Maintainable handover

Python’s advantage is breadth. The same language covers a web backend, a data pipeline, an automation script and a machine learning model, which means one team can own a system end to end instead of handing it between specialists.

Django gives you an admin interface, authentication and an ORM on day one. FastAPI gives you a fast, typed, self-documenting API. Which one we reach for depends on whether the system needs a back office.

What we build with Python

Business applications that need an administrative back office quickly

APIs serving data to web and mobile clients

Data processing, reporting and scheduled automation

Machine learning features integrated into an application

Where it fits — and where it does not

Good fit when

Systems combining application logic with data work

Projects that benefit from Django’s built-in admin

Automation of repetitive operational tasks

Anything involving analysis or machine learning

Consider something else when

Extremely high-throughput services where runtime speed dominates

Real-time features better served by an event-driven runtime

Teams with no Python experience and no time to acquire it

Where Python fits

One language across several jobs

Python’s value in a business system is that the same codebase and the same team can cover the web application, the data work and the automation around them.

Web backend

Django or FastAPI serving the application.

Admin back office

Internal tooling generated from the data model.

REST API

Typed, documented endpoints for clients.

Python codebase

Shared models, shared utilities, one deployment story.

Data pipelines

Imports, transformations and reconciliation.

Scheduled jobs

Reports, reminders and overnight processing.

Machine learning

Models trained and served from the same stack.

How we work with Python

Framework choice

Django when a back office and ORM save weeks; FastAPI when the deliverable is a fast, typed API.

Typing

Type hints throughout with static checking, which is what keeps a growing Python codebase safe to change.

Data layer

Migrations under version control and queries reviewed for the indexes they will actually need.

Scheduled work

Celery or equivalent for background jobs, with monitoring on failures rather than silent retries.

Our typical Python setup

Typical Python stack choices and what we use for each
ConcernWhat we use
Web frameworkDjango for full applications, FastAPI for API-first services
DatabasePostgreSQL through the ORM, with migrations in version control
Background jobsCelery with a broker, monitored for failures
TypingType hints with mypy or pyright in the pipeline
Testingpytest with fixtures and a real database in integration tests
PackagingPinned dependencies and containerised deployment

Frequently asked questions

Django when you want an admin interface, authentication and an ORM out of the box — it can save weeks on a business application. FastAPI when the product is an API consumed by a separate front end and you want typed, self-documenting endpoints.

For the vast majority of business applications the bottleneck is the database, not the language. Where raw throughput genuinely matters, the hot path can be moved elsewhere while the rest of the system stays in Python.

Yes — it has mature libraries for virtually every database, message broker and third-party API, which is part of why it is a common choice for integration work.

Services built with Python

Tell us what you are trying to build

Describe the problem in plain language and we will tell you what it would take to solve it — the approach, the moving parts and the sensible order to build them in. No obligation either way.

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