Challenge Accepted Events 2026 is waiting for you at John Atanasoff Forum, Sofia Tech Park (Sofia, Bulgaria), with two back-to-back conference days dedicated to modern software engineering and quality.
Get ready for carefully selected talks by inspiring speakers from 4 continents!
DEV: Challenge Accepted 2026 (October 23, 2026) is a full-day, three-track conference for software developers of all levels. Expanding beyond our single-track format, this edition brings more depth, choice, and hands-on learning across the software development ecosystem. Frontend, backend, architecture, cloud, AI, DevOps, testing, leadership - whichever path you follow, you will find sessions that challenge, inspire, and elevate your craft. The conference focuses on the latest trends, tools, and technologies shaping modern engineering, with plenty of space to learn, exchange ideas, and connect with peers.
QA: Challenge Accepted 2026 (October 24, 2026) is an international, full-day single-track conference dedicated to software testing and quality assurance professionals - enthusiasts, specialists, and leaders committed to delivering better software. Created by the QA community in Bulgaria, it stays true to its mission: by professionals, for professionals. This year’s theme highlights the expansion, adaptability, and evolution of QA, reflecting the growing role of quality in an AI-driven, fast-changing software world. Expect inspiring talks, practical case studies, real-world examples, and strong networking with the QA community.
Two days, two formats, one community - join us to learn, share, and level up.
