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Weird Sheep Labs

Full stack software engineering consultancy based in London

End-to-end web development. Custom software engineering for the scientific sector. Progressive/responsive web applications. Scale-to-zero deployment solutions.

Serverless-First

Scale-to-zero architectures that dramatically reduce infrastructure costs while handling any load

Scientific Expertise

Deep domain knowledge in computational modeling and data processing for R&D environments

Rapid Delivery

Infrastructure-as-code approach enables faster deployments and consistent, reliable results

We turn complex problems into elegant solutions

From serverless architectures that scale seamlessly to scientific applications that process terabytes of data, we deliver transformative technology solutions that reduce costs, improve performance, and accelerate your business growth.

Trusted By

What Our Clients Say

Trusted by startups and enterprises to deliver exceptional serverless solutions

"Working with Weird Sheep Labs has been an absolute pleasure. They quickly grasped our challenges and the intricacies of our existing product, seamlessly adapting to it. The structured approach and professionalism have made the collaboration smooth and highly effective. I couldn't recommend more to work with Weird Sheep Labs!"

Gaspard Boucher

Founder

Smarto

"Working with Weird Sheep Labs was a smooth experience! They successfully built and deployed the MVP for our platform, working across the stack on frontend UI, backend APIs, devops and system architecture."

Norman Niemer

CEO

Acadia Data

"Weird Sheep Labs is an outstanding consultancy partner who has consistently exceeded expectations. Their contributions have extended far beyond the initial project scope, adding significant value across multiple areas of our organization. Their performance has been exemplary, and I would highly recommend their services without reservation."

Mitchel Shepard

Co-founder

Saber

Our technology stack

From the blog

Explore our latest insights on serverless architecture, scientific computing, and modern web development

Architecture diagram for transcription service

Using FFmpeg in AWS Lambda with Docker

2025-05-25 | 9 min read

Audio and video processing in serverless environments like AWS Lambda has traditionally been challenging due to the lack of native support for media tools. However, we can now package powerful media processing libraries like FFmpeg directly into our deployments by containerising Lambda functions with Docker. In this post, we'll explore how to effectively use FFmpeg within AWS Lambda by examining a proof of concept transcription service we recently built for a client.

fastapi-pytest-async

Fast and furious: async testing with FastAPI and pytest

2024-11-22 | 8 min read

FastAPI's asynchronous capabilities make it one of the best performing Python web frameworks available, something that has contributed to its meteoric rise in popularity over the past few years. However, because of its use of asynchronous code, testing a FastAPI application can be more complex than a standard synchronous API. In this post, we'll explore how to use pytest and pytest-asyncio to write effective async tests for your application.

Cloudwatch alarms to Slack notifications with CDK

2024-09-22 | 5 min read

With a plethora of integrations and add-ons, Slack is more than just a simple chat app, and often serves as a notification centre for all sorts of observability and monitoring applications such as Sentry, Datadog and AWS CloudWatch. In this post we show how to create a Slack notifier to push CloudWatch alarms to a Slack channel using AWS Chatbot and the AWS Slack integration. All configured using Python CDK of course!

Architecture diagram for transcription service

Using FFmpeg in AWS Lambda with Docker

2025-05-25 | 9 min read

Audio and video processing in serverless environments like AWS Lambda has traditionally been challenging due to the lack of native support for media tools. However, we can now package powerful media processing libraries like FFmpeg directly into our deployments by containerising Lambda functions with Docker. In this post, we'll explore how to effectively use FFmpeg within AWS Lambda by examining a proof of concept transcription service we recently built for a client.

fastapi-pytest-async

Fast and furious: async testing with FastAPI and pytest

2024-11-22 | 8 min read

FastAPI's asynchronous capabilities make it one of the best performing Python web frameworks available, something that has contributed to its meteoric rise in popularity over the past few years. However, because of its use of asynchronous code, testing a FastAPI application can be more complex than a standard synchronous API. In this post, we'll explore how to use pytest and pytest-asyncio to write effective async tests for your application.

slack-chatbot

Cloudwatch alarms to Slack notifications with CDK

2024-09-22 | 5 min read

With a plethora of integrations and add-ons, Slack is more than just a simple chat app, and often serves as a notification centre for all sorts of observability and monitoring applications such as Sentry, Datadog and AWS CloudWatch. In this post we show how to create a Slack notifier to push CloudWatch alarms to a Slack channel using AWS Chatbot and the AWS Slack integration. All configured using Python CDK of course!

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Weird Sheep Labs Ltd is a company registered in England & Wales (Company No. 15160367)

85 Great Portland St, London, W1W 7LT