Challenge Accepted Events CAE on October 23-24, 2026 in Sofia, Bulgaria

Challenge Accepted Events 2026 returns to the John Atanasoff Forum, Sofia Tech Park (Sofia, Bulgaria) with two consecutive days dedicated to software development and quality.

DEV: Challenge Accepted 2026 (October 23, 2026) is a full-day, three-track conference for software developers of all levels. This year, we are building on the previous single-track format and offering more depth, choice, and practical learning. Frontend, backend, architecture, cloud, AI, DevOps, testing, leadership - whatever path you follow, you will find sessions that challenge, inspire, and develop you. The focus is on the latest trends, tools, and technologies in modern software engineering, with plenty of opportunities for exchanging ideas and networking.

QA: Challenge Accepted 2026 (October 24, 2026) is an international, full-day, single-track conference for professionals in software testing and quality assurance - enthusiasts, specialists, leaders, and anyone who wants to deliver better software. Created by the QA community in Bulgaria, the conference follows its mission: by professionals, for professionals. This year's theme celebrates the expansion, adaptability, and evolution of the QA role in a world of AI and a rapidly changing software landscape. Expect inspiring lectures, practical case studies, real-life examples, and many meetings with the QA community.

Two days, two formats, one community - come to learn, share, and raise your level.