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Python source code on screen โ€” Python development at Avaib

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Python development company

A Python development company for web, data, automation and AI.

Avaib is a Python development company with more than twenty years building software, creating Django and Flask web applications, FastAPI back ends, data pipelines, automation and machine-learning products, and turning fragile scripts into real, tested software. Senior specialists, code you own, at a cost-effective rate.

Delivered for teams in Australia, the United States, Canada and the Middle East.

20+
Years building software
600+
Projects delivered
Python
Senior specialists only
Yours
You own the code outright

One language, many jobs

Python software that is built to last, not just to work once.

Python is one of the most widely used languages in the world, and it is unusually broad: the same language builds web apps and APIs, runs data pipelines and automation, and powers most modern AI.

That flexibility is also where the trouble starts. Python is so quick to write that businesses end up running important work on a script or a notebook that was never built as real software, with no tests, no structure and only one person who understands it. It works, until the day it does not.

That is exactly where Avaib fits. We build new Python software properly, with structure, tests and documentation, and we take the scripts, notebooks and prototypes that quietly became business-critical and rebuild them into dependable applications you own, staffed by specialists in the specific kind of Python your project needs โ€” one of the foundations we work in across the wider technology stack.

A Python developer working through code and data on screen โ€” Python development at Avaib โ€” Avaib

Building something new in Python, or stuck with a script the business now depends on? Both are what we do.

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What we build with Python

Software across the whole range of what Python does.

From Django and FastAPI web software to data pipelines, automation, machine learning and script rescues, here is the range of Python work our senior specialists build and maintain.

A developer building a Python web platform on screen โ€” Python development at Avaib โ€” Avaib

Web applications on Django and Flask

Customer portals, internal platforms and web products built on Django or Flask, where a secure, well-structured application does the daily work of the business.

A data engineer working on Python analytics โ€” Avaib โ€” Avaib

APIs and back ends on FastAPI

Fast, well-documented REST APIs that power your mobile app, your JavaScript front end or a third-party integration, with authentication, validation and rate limiting handled properly.

A specialist training a machine-learning model in Python โ€” Avaib โ€” Avaib

Data pipelines and processing

Software that ingests, cleans, transforms and moves data between systems on a schedule, so reporting, analytics and downstream tools always run on current, trustworthy numbers.

An engineer writing Python automation in the terminal โ€” Avaib โ€” Avaib

Automation that replaces manual work

The repetitive tasks a person does by hand every day, turned into reliable, tested software that runs on its own, with proper logging so you can see exactly what it did.

A developer building a Python API and database โ€” Avaib โ€” Avaib

Machine learning and AI products

Models, recommendation and prediction features, and LLM-powered tools built into real software with Python's data and AI ecosystem, so the intelligence sits inside a product people can use.

A developer refactoring and rescuing Python code โ€” Avaib โ€” Avaib

Turning scripts and notebooks into software

The Python script or Jupyter notebook that quietly became business-critical, rebuilt as a proper, tested, maintainable application your whole team can run and depend on.

Not sure which of these fits your project? Tell us what you are building and we will map it out.

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The prototype that never grew up

How a handy Python script becomes a fragile dependency.

This is the most common Python situation we are called in to fix. It is nobody's fault; it is what happens when Python's speed meets no time to build the thing properly, and everything about how we work is designed to get you out of it.

01

A quick script solves a real problem

Python is so fast to write that someone builds a small script or a notebook to get a job done, pull a report, move some data, automate a task. It works, so it stays. That is exactly what Python is good at.

02

It quietly becomes business-critical

More gets bolted on. Other work starts depending on it. Soon a script with no tests, no structure and no documentation is running something the business genuinely needs, and only one person understands how.

03

Then it breaks, and nobody can fix it

The person who wrote it is busy or gone, the data changes shape, and the whole thing falls over. What began as a helpful shortcut is now a fragile dependency you cannot safely change or replace.

The quick Python script rarely fails on day one. The cost shows up later, when the data changes, the author moves on, and the thing the business quietly came to rely on falls over, which is exactly why it pays to build it as real software, or rebuild it, before you are forced to.

The four worlds of Python

"We do Python" is not one skill, and the right specialist matters.

Python spans four genuinely different disciplines. A team that only knows one is not the right team for another. Here is what each kind of Python work really needs, and the specialist Avaib puts on it.

Web & APIs What it needs

Django, Flask and FastAPI, with proper security, structure and testing for software real users log into every day.

What we bring

Senior web specialists who build maintainable, secure Django and FastAPI applications, not a data scientist writing their first web app.

Data engineering What it needs

Reliable pipelines that move and reshape data between systems, handle failure gracefully and keep reporting accurate.

What we bring

Engineers who build data workflows that run unattended and log clearly, so you trust the numbers and know when something needs attention.

Automation What it needs

Repetitive manual work turned into software that runs on its own, safely, with a record of what it did and when.

What we bring

Automation built like real software, with tests and error handling, so it keeps working when the inputs change rather than failing silently.

Machine learning & AI What it needs

Models, predictions and LLM features built into a product, not left as an experiment in a notebook.

What we bring

Specialists who take a model from proof-of-concept to a tested feature inside working software people can actually use.

Want to know which kind of Python your project needs, and who should build it? We will help you scope it.

Get a free quote

The concerns, answered

What worries people about a Python project, and how we handle it.

These are the real concerns we hear before a Python build or a script rescue starts. Here is exactly how Avaib takes each one off the table.

"We have a Python script or notebook running something important and we are scared of it."
We rebuild it as a proper, tested application, keeping the current version running while we do, so you go from a fragile one-person dependency to real software your whole team can run and change safely.
"Every agency lists Python, but do they actually specialise in what we need?"
Python spans web, data, automation and AI, and those are different disciplines. We staff your project with senior specialists in the specific kind of Python it needs, not a generalist who happens to have Python on their CV.
"Last time, the developer left and no one else could understand the code."
We build standard, well-structured Python with tests and documentation, under one accountable team. The knowledge lives in the code and the docs you own, not in one person's head, so you are never left stranded.
"Our data or AI project got stuck as a proof-of-concept and never became a real product."
We are as comfortable shipping production software as we are building the model, so your machine-learning or data work becomes a tested feature inside a real application, not another experiment that never left the notebook.
"A proper rebuild will cost a fortune and take forever."
We scope the work clearly and give you a fixed, plain-English quote. Senior engineers work at a cost-effective rate of around USD 25 per hour, and AI-accelerated delivery moves through the routine work faster, so it is quicker and more affordable than you expect.
"We will end up locked into whoever builds it."
We hand you the full code, the data and the documentation on standard, well-supported Python, so any capable Python team can run and extend it. You stay with us because the work keeps delivering, not because you are trapped.

Why Avaib

Why choose Avaib as your Python development company.

Plenty of people can write Python. Fewer pair two decades of shipping software with specialists in each kind of Python, a real QA department, and a price that does not punish you for the quality.

20+ years and 600+ projects

Building software since 2004, across more than 600 projects, including Python web applications, data pipelines, automation systems and machine-learning products.

Specialists in each kind of Python

Web, data, automation and AI are different disciplines. Your project is staffed by senior engineers who work in that specific area every day, backed by a dedicated QA department and a 30-day warranty.

From prototype to production

We take Python scripts, notebooks and proofs-of-concept and turn them into tested, maintainable software, so the clever idea becomes a dependable product instead of a fragile shortcut.

Cost-effective senior expertise

Senior Python engineers from around USD 25 per hour, the same capability Australian, US, Canadian and Middle-East firms charge a fortune for, at a fraction of the price.

AI-accelerated delivery

Our senior engineers use advanced AI coding tools to move through the Python build faster, steering and reviewing every step, so your software ships sooner without cutting corners on quality.

You own the code and the stack

The code, the data and the documentation stay yours, on standard, well-supported Python any team can hire for, so there is no lock-in to us or to a single developer.

Want a senior Python team that builds it right and hands you the code, without the enterprise price tag?

Get a free quote

How we work

From first conversation to Python software that runs.

Understand the work and your data first, agree a clear scope, build in tested slices, then launch and support, so you always see progress and never face a single risky switch.

01

Understand the work and your data

We start with what the software has to do, who uses it and what data and systems it touches, including any existing script, notebook or app, so the plan is grounded in your real situation.

02

Agree a clear, prioritised scope

You get a plain-English scope with defined outcomes, so you know exactly what will be built, in what order, and what it will cost before any development begins.

03

Build in tested slices

Senior Python specialists work in slices, each covered by automated tests and checked by our QA department, so you see working software early and, for a rebuild, the old version keeps running throughout.

04

Launch, support and evolve

We help you roll it out on the hosting you choose, support it under a 30-day warranty and beyond, and extend it as your needs change, on a foundation built to last.

Pricing

Enterprise-grade Python, without the enterprise price tag.

Senior Python engineers from around USD 25 per hour, the same capability Australian, US, Canadian and Middle-East firms charge a fortune for, at a fraction of the price. We scope the work clearly up front so you get a fixed, plain-English quote, and every engagement leaves you owning your code, data and documentation outright.

Best for a defined build

Fixed-scope Python project

For a clearly scoped application, pipeline or automation, we agree the scope and the price up front, then deliver and test it against your real requirements.

Best for ongoing work

Dedicated Python team

A senior Python team working as an extension of yours, that you can scale up or down as priorities shift, keeping the institutional knowledge with people who stay on your project.

Best for a script or model

Prototype-to-production engagement

We take an existing Python script, notebook or proof-of-concept and rebuild it as tested, maintainable software, on a plan sized to your risk and budget.

Every project is delivered by senior Python specialists under one accountable team, tested by a dedicated QA department, backed by a 30-day warranty, and you keep the code, data and documentation with no lock-in. Not sure where to start? We will give you an honest recommendation on a free scoping call and send you a free, no-obligation written estimate with a clear scope.

Want a clear read on your Python project and what it should cost?

Get a free quote

Tell us about your Python project and we will map out the build.

Whether it is a new application, a data or AI product, or a script to turn into real software, get an honest read, a clear scope and a ballpark price, free and with no obligation.

Get a free quote

Who we help

Python expertise for teams building something that has to last.

If you are running a critical script, building a data or AI product, automating manual work or shipping an API, here is the kind of team Avaib fits, and the problem we usually solve for each.

Teams running critical Python scripts or notebooksSomething important depends on a script only one person understands. We rebuild it as proper, tested software your whole team can run, without stopping the work it does.
Founders building a data or AI productYou need a model or data feature to become a real product, not stay an experiment. We ship production Python around it so it reaches your users.
Businesses drowning in manual, repetitive workThe same tasks done by hand every day. We turn them into reliable automation that runs on its own, with logging so you can always see what happened.
Companies that need a clean API or back endYou want a well-structured back end powering a mobile app or a front end. We build documented FastAPI and Django services that do the job properly.
Data teams that need engineering muscleYour analysts and scientists know the domain; you need engineers to turn their work into pipelines and products that run reliably in production.
Leaders burned by a generalist agencyLast time "we do Python" meant a team learning on your budget. This time senior specialists in the right kind of Python build it, under one accountable team.

The Python toolbox

The Python frameworks, data tools and libraries we work in.

Deep across web, data, automation and AI in Python, and fluent with the databases, front-end tools and hosting that surround them, so your software fits cleanly with what you already run.

Python 3DjangoFlaskFastAPICelerySQLAlchemyPandasNumPyPolarsAirflowdbtPySparkscikit-learnPyTorchTensorFlowHugging FaceLangChainPytestPostgreSQLMySQLRedisREST & GraphQL APIsDockerCI / CD pipelines

In our clients' words

Relationships that last years, not projects.

Rated 4.5/5 on Google and 5/5 across other platforms, with 10+ written references and 80%+ client retention.

โ˜…โ˜…โ˜…โ˜…โ˜…

"We have dealt with Avaib as our sole software provider for over 9 years now with very few issues. I would recommend their services anytime."

Trevor B.
Canada
โ˜…โ˜…โ˜…โ˜…โ˜…

"Avaib understood our needs and have been catering customised solutions that have exceeded our expectations."

Ethan Johnson
Canada
โ˜…โ˜…โ˜…โ˜…โ˜…

"Round-the-clock availability of business managers and IT teams is one of Avaib's greatest assets. They have always surpassed my expectations. I highly recommend Avaib to everyone."

Zeeshan Mirza
CEO, RemoteFace

Common questions

Python development, answered.

What is Python development?

Python development is the building of software in Python, one of the most widely used programming languages in the world. It is unusually broad: the same language builds web applications and APIs, powers data pipelines and automation, and underpins most modern machine-learning and AI work. That flexibility, along with a huge library ecosystem and readable code, is why Python is used everywhere from small automations to large production platforms.

A Python development company designs, builds, tests and maintains this software for you, and often turns existing Python scripts, notebooks and prototypes into proper, production-grade applications. Avaib has built software since 2004, across more than 600 projects, with senior specialists in each kind of Python work, so we can build new Python software or make an existing one dependable.

What can Avaib build with Python?

A wide range, because Python covers a lot of ground. On the web side we build applications and APIs with Django, Flask and FastAPI. On the data and automation side we build pipelines that move and clean data, and automation that replaces repetitive manual work with reliable software that runs on its own.

We also build machine-learning and AI features, taking a model from a proof-of-concept to a tested feature inside a real product, and we rebuild fragile Python scripts and Jupyter notebooks into proper, maintainable applications. Because these are genuinely different disciplines, we staff each project with specialists in the right one.

Can you turn our Python script or notebook into real software?

Yes, this is one of the most common things we are asked to do. Python makes it easy to build a quick script or notebook that quietly becomes business-critical, and later becomes fragile and risky to change. We rebuild it as a properly structured, tested and documented application, keeping the current version running throughout so the work it does never stops.

The result is standard Python with automated tests and clear documentation that any capable Python team can run and extend. You go from a one-person dependency you are afraid to touch to software you own outright and can safely build on.

Do you build data pipelines, automation and machine-learning products?

Yes. We build data pipelines that ingest, clean and move data between systems on a schedule, with proper handling of failure and clear logging, so your reporting and analytics run on trustworthy numbers. We build automation that turns repetitive manual tasks into reliable software.

On machine learning and AI, we take models, prediction and recommendation features, and LLM-powered tools and build them into real, tested software people can use, rather than leaving them as experiments. Python's data and AI ecosystem is a core part of what we do.

How much does Python development cost?

It depends on the scope, since a focused automation is very different from a full web application, a production data platform or a machine-learning product. That is why we scope the work clearly up front and give you a fixed, plain-English quote before any development starts, so there are no open-ended surprises.

Our senior Python engineers work at a cost-effective rate of around USD 25 per hour, the same capability Australian, US, Canadian and Middle-East firms charge a fortune for, and AI-accelerated delivery helps get you there faster. After a short conversation we will send you a free, no-obligation written estimate with a clear scope.

Do you provide dedicated Python developers or a fixed-price build?

Both. If your project is clearly defined, we scope it and deliver it for a fixed price. If you need ongoing capacity, we provide a dedicated team of senior Python specialists who work as an extension of yours and scale up or down as your priorities change, so the knowledge stays with people who remain on your project.

For an existing script, notebook or prototype, we also offer a prototype-to-production engagement that rebuilds it as tested, maintainable software, sized to your risk and budget. Whichever model fits, the work is done by senior specialists under one accountable team.

Will we own the code, or be locked in?

You own everything. We hand you the full code, the data and the documentation on standard, well-supported Python, so any capable Python team can run and extend it. There is no lock-in to us and no dependence on a single developer.

That is deliberate. We build software that outlasts the relationship with us, so you stay with Avaib because the work keeps delivering value, not because you are trapped.

Got a question that isn't here? Ask it on the quote form, we answer every one.

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Let's build it in Python, and build it to last.

Book a free consultation. No jargon, just an honest read on your Python project or script rescue and a clear path to get there.

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