This July, Berlin will host one of the world’s largest gatherings of developers, tech leaders, and AI innovators. From July 9-11, the WeAreDevelopers World Congress 2025 will bring together over 15,000 developers, 8,000 companies, and 1,600 decision-makers at the CityCube Berlin for three days of deep tech, product innovation, and community building.
Conference Themes
The program kicks off with Day 0 (July 9): badge pickup, workshops, and masterclasses designed to get teams up to speed before the main event. The Congress officially opens on July 10, with two full days of talks, hands-on sessions, a tech startup showcase, and the return of CODE100, Europe’s biggest live coding competition.
The World Congress spans the full software development lifecycle, including:
- AI & Machine Learning
- DevOps & Cloud
- Software Architecture & Engineering
- Developer Tools, Frameworks & Languages
- Frontend, UX/UI, and Accessibility
- Cybersecurity
- Open Source
- Product Management & Scaling
- Team Culture & Leadership
- Sustainability, Hardware, IoT & Automotive
Opportunities for Startups
WeAreDevelopers has curated a dedicated startup program tailored to help emerging tech ventures accelerate visibility, validate product-market fit, and connect with future customers, investors, and talent.
Selected startups receive:
- A startup booth for two days at the Tech Expo
- 2 exhibitor passes with full access to stages and tracks
- A product presentation on stage within the startup track
- Visibility in the official congress app and the startups landing page
- Online and on-site exposure, including a certificate of participation
- A dedicated success manager to support onboarding and visibility
Startups must have fewer than 200 employees and under €10M revenue (2023-24). A €2,990 handling fee applies only upon selection.
Speakers
The 2025 speaker lineup features global leaders across tech and innovation: Thomas Dohmke (CEO, GitHub), Prashanth Chandrasekar (CEO, Stack Overflow), Katrin Lehmann (CIO, Mercedes-Benz), Dr. Werner Vogels (VP & CTO, Amazon.com), Hanna Hennig (CIO, Siemens AG), Stephanie Cohen (Chief Strategy Officer, Cloudflare), Varun Mohan (CEO & Co-Founder, Windsurf), Magnus Östberg (Chief Software Officer, Mercedes-Benz AG), Scott Chacon (CEO & Co-Founder, GitButler), Franziska Giffey (Mayor of Berlin), Paul Adams (CPO, Intercom), Andrej Lehnert (Managing Director & CPO, trivago), Clemens Utschig-Utschig (CTO, Boehringer Ingelheim), Angie Jones (VP, Developer Relations, Block), Jackie Brosamer (VP Engineering, Data & AI, Block), Anu Bharadwaj (President, Atlassian), Dr. Marc Fuchs (CEO, Gofore DACH), Mindaugas Mozūras (CTO, Vinted), Wei Hu (SVP, Oracle), and Jeremy Drury (Chief Digital Officer, IKEA).
David Singleton, CTO at Stripe: “WeAreDevelopers is the place where you meet everyone else in the industry and learn about the latest things.”
About WeAreDevelopers
Founded in 2017, WeAreDevelopers is Europe’s leading developer community and the host of the world’s largest developer event. The World Congress has become a staple for tech talent, product builders, and software innovators eager to exchange knowledge and accelerate their careers.
📍 July 9-11, 2025 | CityCube Berlin
Full agenda and details are available at: wearedevelopers.com