Abstract
76%
senior dev or higher
1:11
speaker ratio
60+
practitioners
QCon London 2025 is a three day conference for senior software engineers, architects and team leads. An international program committee of working engineers selects every session. Patterns and practices, not products and pitches.
Part of the track
Performance and Sustainability in Practice: How to Make Software Greener Hosted by Erica Pisani Sr. Software Engineer @Sentry and Public SpeakerFrom the same track
Monday 7 April
10:35 Mountbatten (6th Fl.) Session Green IT What I Wish I Knew When I Started with Green IT Ludi AKUE CTO Digital @Bpifrance & Creator of PromptSage Your Custom GPT To Master Prompting Intuitions The path to sustainable technology involves complex technical and organizational decisions that aren't immediately obvious from industry best practices. This talk shares seven key lessons drawn from implementing Green IT at scale in a scaleup environment and in a public bank institution. 11:45 Windsor (5th Fl.) Session AI/ML Ecologies and Economics of Language AI in Practice Jade Abbott CTO & Co-Founder @Lelapa AI, Co-Founder @Masakhane, With Over a Decade of Experience in Deploying AI Into Production Lessons learned from building language models in Africa: under strict data constraints in non-western environments. 13:35 Whittle (3rd Fl.) Session architecture Local First – How To Build Software Which Still Works After the Acquihire Alex Good Software Engineer @Ink & Switch, Core Contributor on the Automerge CRDT Library Much of the software we use derives its value from being networked, sometimes that's about being able to use software on many devices, often it's about being able to collaborate with other people. 14:45 Mountbatten (6th Fl.) Session green software Beyond Uptime: What the 'Metric' Is Going On with Green Software? Sarah (Chun-Wei) Hsu SRE @Goldman Sachs & Training Project Chair @Green Software Foundation, TechWomen100 Winner, Co-Author of "Building Green Software" Metrics such as availability and latency have long been the cornerstones of software engineering. Now, carbon emission is joining their ranks as a golden signal in a world increasingly focused on sustainability. 15:55 Rutherford (4th Fl.) Unconference Unconference: Performance and Sustainability in Practice 17:05 Mountbatten (6th Fl.) Session The Efficiency Paradox and How to Save Yourself and the World Holly Cummins Senior Technical Staff Member, Quarkus Team @IBM, Java Champion, Previously Senior Principal Software Engineer, Quarkus @Red Hat Inefficiency is ruining our planet and our lives. Efficiency is ruining our happiness, and weirdly, it’s also ruining our efficiency. Heeeeelppp!? What’s a techie to do?