I’m a Senior full stack engineer with over 16 years of experience in architecting, designing, and developing scalable, maintainable systems across diverse domains. I am deeply committed to leveraging technology for positive social impact and a strong proponent of good design, user and developer experience.

Alex Coulcher

I’m a Senior full stack engineer with over 16 years of experience in architecting, designing, and developing scalable, maintainable systems across diverse domains. I am deeply committed to leveraging technology for positive social impact and a strong proponent of good design, user and developer experience.

Available to hire

I’m a Senior full stack engineer with over 16 years of experience in architecting, designing, and developing scalable, maintainable systems across diverse domains. I am deeply committed to leveraging technology for positive social impact and a strong proponent of good design, user and developer experience.

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Experience Level

Expert
Expert
Expert
Expert
Expert

Work Experience

Senior Software Engineer at GivEnergy
June 25, 2023 - Present
Lead the IoT Team helping to recruit and mentor juniors. Worked closely with the Architect building out their new graph based solution for managing thousands of connected devices. Worked closely with R&D, Firmware and Frontend teams for clean and precise integration across Modbus, HTTP and WebSockets. Full Test driven development with a secure, scalable, and resilient design.
Senior Software Engineer at Muddy Machines
September 1, 2022 - Present
The sole developer behind their web, cloud and mobile platforms. Implemented AWS IoT Core and LoRaWAN full stack live robot tracking. Developed offline-first design patterns and custom synchronisation solutions. Managed third-party integration with Farm and Crop management platforms. Modernised developer practices, project management, and improved developer experience.
Senior Full-stack Engineer at Vault
September 1, 2022 - October 23, 2025
Lead the transition away from a monolithic backend to microservices. Implemented SCIM SSO for organisations using Azure, Okta, and OneLogin for customers including Airbnb and Epic Games. Improved testing performance and isolation between BDD suites. Worked closely with Product designers to reduce friction surrounding incident reporting and whistleblowing.
Senior NodeJS & AWS Engineer at HERO/Klarna
September 1, 2022 - October 23, 2025
Architected and developed their ‘Shoppable Stories’ feature, handling thousands of requests per minute. Led the design and implementation of caching strategies for services. Collaborated with the lead engineer on creating a strategy and framework for serverless microservices based on AWS SAM.
Senior NodeJS & AWS Engineer at Progressive Content
September 1, 2020 - October 23, 2025
The principal engineer building scalable and customisable content portals for banking customers. Worked with frontend engineers on BFF strategies and GraphQL federation.
Senior Creative Technologist / Tech Lead at Haygarth
September 1, 2017 - October 23, 2025
The Technical lead from conception to production on several award-winning campaigns, including Clarins out-of-home installation ‘Urban Oasis’ and the Sony Z5 Mobile launch. Worked closely with classic creative teams and planners to develop proof of concept work.

Education

Graphic Design New Media at University of Creative Arts
September 1, 2005 - May 1, 2008

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet