Staff Engineer, ReactJS Barcelona Organizer, International Speaker

Señors @ Scale host Neciu Dan sits down with Dan Abramov, co-creator of Redux, veteran of nearly a decade on the React core team at Meta, author of one of the most read frontend blogs, and until recently an engineer at Bluesky working on the app and on AT Protocol, the open decentralized foundation the network runs on. Dan explains the protocol from the hosting layer up: why every app becomes an aggregator over a shared web of JSON, what the network does when someone with millions of followers posts, why Mastodon's instance model is a feudal topology passing messages on horses, how a three-field passport holds your identity, and what it took to move his own hosting to Eurosky. The conversation also covers a SQLite file per user at Bluesky, Constellation and a Bluesky client with no backend, what Vercel could do for the atmosphere, the React compiler as fine-grained reactivity, and Redux as a to-do list of state you haven't found a home for. This is the AT Protocol conversation for engineers who want to understand the protocol before they build on it.

Señors @ Scale host Neciu Dan sits down with Craig Abbott, Principal Accessibility Specialist at TetraLogical and the former Head of Accessibility at the UK's Department for Work and Pensions, one of the largest government departments in the country, where he built a dedicated accessibility practice from nothing and open sourced the DWP Accessibility Manual. Craig has over 15 years in user centred design and has led accessibility work across the public sector and at Elastic. From what sustainable accessibility actually means and why third party audits alone don't get you there, to the three C's of compliance, culture and capability, to running screen readers in VMs without expensive licences, to accessibility acceptance tests in CI with Playwright, Cucumber and Guidepup, to why compliance does not mean usable, this is the accessibility conversation for teams who want it to survive the person who cares about it.

Señors @ Scale host Neciu Dan sits down with Carmen Huidobro, CTO at Incredible Bee in Vienna, where she builds products and helps teams figure out what should be automated and what should stay in the hands of users. Carmen has spent 17 years in tech, almost all of it freelancing, working across Objective-C, Ruby on Rails, the web, mobile, hardware, and even ABAP inside an SAP consultancy, plus five years in developer relations and developer education. Her argument is that the generalist versus specialist debate misses the point: the durable skill is being an expert at adapting. From adding a local Mistral model to a twenty-year-old macOS app without betraying the people who use it, to the refugee hackathon project the City of Vienna still runs a decade later, to why she won't take money from junior developers, this is a conversation about the skills that survive the shift.

Señors @ Scale host Neciu Dan sits down with Marko Gaćeša, Head of Product at Semaphore, the agent-native CI/CD platform, and the first product guest on the show. Marko is a serial entrepreneur whose career spans developer tools, IoT, industrial automation and enterprise SaaS, including founding Dry Tools and serving as Chief Product Officer at Alchemy Cloud, with earlier work in domains like medical equipment where quality is non-negotiable. From why testing rather than coding is now the bottleneck, to what agent-native CI/CD actually means when developers live inside their coding agent, to how SemAI attacks flaky tests and automates migration off GitHub Actions, to pricing a platform where a minute of CI is not the same minute everywhere, this is the product side of developer tooling from someone shipping it.