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A115 is a London-based consultancy helping fast-growing businesses and scale-ups build sophisticated on-prem or cloud-based technology platforms when code quality matters.

We specialise in rapidly building, securing and scaling cloud-native greenfield platforms to add new capabilities or expand into new markets. With over 20 years' experience productionising experimental code and complex systems, A115 provides end-to-end services - from initial architecture and infrastructure design through development, deployment and maintenance. Leveraging expertise across industries and technologies like Python, SQL, AWS and Azure, A115 enables clients to launch innovative products faster while ensuring robustness, resilience and regulatory compliance.


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London, United Kingdom (HQ)


A115 Technology Consulting

Top highlights

Latest articles, stories, and special reports

The Contrarian's Guide to Thriving as a UK Software Contractor Outside IR35

Ready to break free from the employee grind and take control of your software engineering career? Discover the contrarian's guide to thriving as a contractor outside IR35 in the UK with your own LTD company. Challenge the myths, embrace the business mindset, and unlock a world of opportunities from day one. Get ready to redefine your career trajectory and soar to new heights in the realm of contracting.

Mastering Git Archeology: Leveraging iCODES for Enhanced Codebase Understanding

Discover the transformative power of iCODES, an advanced Git archeology tool that leverages large language models to analyze and index Git commit histories with precision. Ideal for software engineers, this article delves into how iCODES can streamline the understanding of complex codebases, enhance bug tracking, and facilitate effective team collaboration. Unpack the tool's key features and practical applications to maximise your software development and maintenance efficiency. Dive into Git archeology with iCODES and bring clarity to your project’s evolutionary journey.

Python Software Engineering Course

Elevate your tech career with our Python Software Engineering Course, led by industry expert Jordan Dimov. This 6-month program, exclusively featuring Jordan's pioneering book, is designed to transform beginners into skilled professionals, ready to tackle production-quality coding challenges. Secure a spot for in-depth learning of Python fundamentals, software engineering principles, and hands-on projects.

How studying abstract math can make you a better coder

This book review analyzes Eugenia Cheng's "The Joy of Abstraction" and its relevance for software engineers, breaking down concepts from category theory and linking them to principles like abstraction and modular architecture in modern software design through an accessible, intuitive explanation. The review highlights how Cheng's approach of focusing on relationships rather than objects themselves mirrors techniques for building flexible and reusable component systems in coding.

Turbocharging Commerce for 50 Million Viewers: How Python Powers Sky's Pricing Engine

This case study follows the development of a custom in-memory graph database and business rules engine built in Python to power personalised pricing for Sky's 50 million entertainment customers. We detail the technical decisions made to balance flexibility, performance at scale and rapid iteration as well as the business impact of putting granular, data-driven offers in the hands of users.

Book review: Sets for Mathematics - A Foundational Guide for Software Engineers

In an increasingly complex and interconnected digital landscape, technical excellence demands multifaceted critical thinking. Through intuitive delivery and conceptual interlinking, the book “Sets for Mathematics” both enables and motivates intellectual growth. It represents an outstanding high-level mental gym for the software engineering mind.

Building Reliable Business Software with Immutable Data Structures

This article explains how immutable data structures enable building reliable enterprise software. Learn techniques to avoid side effects and race conditions by controlling state mutation. See Python code examples modeling business transactions with immutable namedtuples and tuples for auditable, thread-safe code. Understand how isolating state facilitates testing, scalability, and domain-driven design - unlocking simple yet robust systems.

Rethinking Front-End Overengineering in Business Software

This article makes the contrarian case that relying on server-side frameworks like Django and FastAPI for HTML generation leads to faster, cheaper, and less complex business software than overengineered JavaScript front-end frameworks - countering the myth that more sophisticated UIs inherently provide superior user experiences.