Shows
Señors at ScaleRacing Software at ScaleIn this episode of Señors @ Scale, Dan chats with George Cusu, a software engineer at Timing Solutions, who has spent nearly a decade crafting the software that powers some of the world’s biggest racing events. From microsecond-accurate timing systems to data analytics that "make or break milliseconds," George takes us behind the scenes of what it’s like to code at speed.George shares his serendipitous journey into the racing industry and explains why "every single racetrack is different," presenting unique infrastructure challenges from the fiber optics of Silverstone to the local const...
2025-12-2147 minSeñors at ScaleState Management at Scale with Daishi Kato (Author of Zustand)In this episode of Seniors at Scale, host Dan Neciu dives deep into the world of state management with Daishi Kato, the prolific open-source author and maintainer behind three of the most widely used libraries in modern React: Zustand, Jotai, and Valtio. Daishi also shares insights into his new project, Waku, a framework built around React Server Components.Daishi has spent nearly a decade building modern open-source tools that expertly balance simplicity with scalability. He shares how the announcement of React Hooks got him excited and led him to pick global state as his field to explore...
2025-12-1434 minSeñors at ScaleDomain Driven Design at Scale with Vlad Khononov (O'Reilly and Pearson Author)In this episode of Señors @ Scale, Dan sits down with Vlad Kononov, software architect, keynote speaker, and author of Learning Domain-Driven Design and Balancing Coupling in Software Design.Vlad has spent more than twenty years helping teams untangle legacy systems, rebuild failing architectures, and bring clarity to messy business domains. His work spans greenfield systems, enterprise refactors, and the ambiguous environments where most real software actually lives.This conversation cuts through the hype around DDD and microservices, focusing on the mechanics of bounded contexts, coupling, business alignment, and architectural evolution. We talk about why u...
2025-12-1356 minSeñors at ScaleModern CSS at Scale with Bramus (Chrome Developer Relations Engineer ,CSS and Web UI, at Google)In this episode of Señors @ Scale, Dan sits down with Bramus Van Damme, Chrome Developer Relations Engineer at Google, and one of the driving forces behind View Transitions, Scroll-Driven Animations, Anchor Positioning, and CSS Custom Functions.Bramus brings a rare perspective from inside the browser engine itself. From helping shape CSS specs at the standards level to building the demos and tooling that developers rely on every day, he has a front-row seat to how modern UI engineering is evolving.We go deep into how the new CSS works in practice — beyond the marketing, straight into the mechanics of...
2025-11-2353 minSeñors at ScaleSecurity at Scale with Liran Tal - Director of Developer Advocacy at SnykIn this episode of Señors @ Scale, Dan sits down with Liran Tal, Director of Developer Advocacy at Snyk, GitHub Star, and one of the most influential voices in modern application security. Liran has spent decades at the intersection of open-source ecosystems, Node.js, supply chain security, and now AI agent security, helping developers ship fast without exposing themselves to silent, catastrophic risks.He breaks down the real stories behind today’s security landscape — from NPM malware and maintainer compromises to MCP attacks, toxic flows, and the hidden vulnerabilities emerging from AI-driven development.
2025-11-1657 minSeñors at ScaleMicro Frontends at Scale with Luca Mezzalira (O’Reilly Author and Principal Architect at AWS)In this episode of Señors @ Scale, Dan sits down with Luca Mezzalira, Principal Serverless Specialist at AWS and author of Building Micro-Frontends, for a deep and highly practical look at scaling frontend architectures for hundreds of developers.Luca shares the real story behind how micro-frontends were born — from his early experiments at DAZN trying to scale a live sports platform across 40 devices and 500+ engineers, to pioneering techniques that cut app startup times from 40 seconds to 12.We break down how distributed frontends actually work:How to design stable application shells with zero global state,...
2025-11-091h 08Señors at ScaleDesign System at Scale with Stefano Magni, Tech Lead at Preply🎙 About the Podcast:Join host Neciu Dan as he sits down with Stefano Magni, a senior front-end engineer and tech lead at Preply, to explore the intricacies of building a robust design system and the journey of working in public. Stefano shares his insights on the importance of skills, reputation, and networking in shaping a successful career. Discover how his experiences from building Flash mini-games to architecting React-based systems have influenced his approach to engineering excellence.In this episode, they discuss:The pivotal moment that led...
2025-11-021h 04Señors at ScaleReliability at Scale – With Bruno Paulino (N26)🎙 About the Podcast:Señors @ Scale is a no-fluff engineering podcast hosted by Neciu Dan — diving into the real-world chaos of scaling systems, teams, and yourself. From production bugs to platform bets, we sit down with senior engineers to discuss the scars, strategies, and lessons that truly matter.In this episode, host Neciu Dan sits down with Bruno Paulino, Tech Lead at N26, to unpack how reliability, experimentation, and platform culture shape one of Europe’s most trusted digital banks.Bruno’s path is anything but ordinary — from serving as a police officer in Brazil to le...
2025-10-261h 07Señors at ScaleMicroFrontend at Scale with Igor (Director of Engineering at Cloudflare, co-creator of Angular) and Natalia (Principal Product Manager at Microsoft)In this episode of Señors @ Scale, Dan chats with Natalia Venditto, Principal Product Manager at Microsoft, and Igor Minar, Senior Director of Engineering at Cloudflare and co-creator of Angular, about WebFragments — a radical new approach to micro-frontends that rethinks how we build for the web.Natalia and Igor share how WebFragments was born from years of pain with module federation and brittle micro-frontend systems. They explain why shared dependencies and team coupling still plague large-scale applications, and how WebFragments breaks that pattern by isolating each fragment’s JavaScript and DOM context while still delivering a seamless user...
2025-10-191h 02Señors at ScaleObservability at Scale with Erik Grijzen, Principal Software Engineer at New RelicIn this episode of Señors @ Scale, Erik Grijzen, Principal Software Engineer at New Relic, joins Dan to share his journey from web designer to principal architect and what it really takes to scale UI development across dozens of teams. Erik walks us through how New Relic built one of the first large-scale micro-frontend architectures before the term even existed, designing tooling that lets teams ship independently—from CLI bootstrapping to runtime composition. He explains how to manage hundreds of deploys a day without breaking the platform, and how observability keeps complex systems reliable when they inevitably fail.We div...
2025-10-121h 01Señors at ScaleAccessibility at Scale with Kateryna Porshnieva, Engineering at BufferIn this episode of Señors @ Scale, Kateryna Porchienova, Senior Engineering Manager at Buffer, joins Dan to talk about her journey into programming, the craft of UI animation, and why accessibility should be a standard — not an afterthought.Kateryna shares how her very first app, built in high school, ended up helping children with disabilities learn from home — sparking a lifelong commitment to inclusion in tech. She walks us through best practices for accessibility, from learning to use a screen reader to understanding semantic HTML and ARIA roles.We also dive into the tooling side — from React Aria and Radix t...
2025-10-0639 minSeñors at ScaleRails at Scale with Adrian Marin founder of AVOIn this episode of Señors @ Scale, Adrian Marin, founder of AVO and host of FriendlyRB, joins Dan to share his journey into programming and his deep commitment to the Ruby ecosystem.Adrian walks us through his transition from a non-technical background into software development and how he fell in love with Ruby on Rails for its elegance and productivity. He explains why everything in Ruby is an object, what makes Rails still the fastest way to build apps, and how Hotwire redefines frontend development with minimal JavaScript.We also dive into the tools and frameworks shaping today’s dev...
2025-09-281h 10Señors at ScaleVue at Scale with Andreas PanopoulosIn this episode of Señors @ Scale, Andreas Panopoulos — Staff Software Engineer at Hack the Box and co-organizer of Vue.js Athens — joins Dan to share his journey from building jQuery landing pages to leading frontend teams powered by Vue.Andreas walks us through the evolution of Vue.js, from version 2 to 3, and how features like the Composition API and TypeScript support transformed developer experience. He shares what it was like to rewrite Hack the Box’s Academy platform on Nuxt 3, why Vue scales for millions of users, and what performance practices every frontend team should keep in mind.We also...
2025-09-221h 01Señors at ScaleFrontend Architecture at Scale with Faris AzizIn this episode of Señors @ Scale, Faris Aziz — Staff Front-End Engineer at Small PDF, international speaker, and co-founder of ZurichJS — joins Dan to talk about scaling both frontend architecture and engineering culture.Faris shares his unconventional journey from CrossFit trainer to software engineer, and how personal projects became his gateway into tech. He opens up about the realities of working on applications serving 30 million+ users, why BFF architecture is such a powerful pattern for managing data between front-end and back-end, and the hidden pitfalls of performance when building with React and Next.js.We also dig into the human...
2025-09-141h 12Señors at ScaleOrganising Conferences at Scale with Aris, founder of CityJSIn this episode of Señors @ Scale, Aris — founder of CityJS and longtime community builder — joins Dan to talk about the journey from small local meetups to organizing one of the fastest-growing global JavaScript conferences.Aris shares his unlikely path into programming, starting as a basketball-loving student in Greece with no computer at home, to innovating on the job with early Java projects, and eventually embracing frontend frameworks like Angular, React, and Vue. Along the way, he reflects on the competitive yet collaborative nature of programming, the evolution of the frontend ecosystem, and why choosing the “best” framework often depends l...
2025-09-0744 minSeñors at ScaleOpen Source at Scale with Erik RasmussenIn this episode of Señors @ Scale, Eric Rasmussen — creator of Redux Form and React Final Form, now Principal Product Engineer at Attio — joins Dan to talk about building open source at scale, developer experience, and the lessons learned from two decades of shipping frontend software.Eric shares his journey from early experiments with BASIC and FoxPro to designing Attio’s secure SDK ecosystem, which enables third-party developers to extend a next-generation CRM. Along the way, he opens up about the pitfalls of feature creep in open source, the evolution from Redux Form to React Final Form, and how AI is a...
2025-08-311h 04Señors at ScaleMentorship at Scale with Eduardo Aparicio CardenasIn this episode of Señors @ Scale, Front-End Engineer and ADPList Top 100 Mentor Eduardo Aparicio-Cardenas joins Dan to talk about mentorship, career growth, and leadership at scale — from debugging real-world performance issues to guiding engineers through promotions and burnout.Eduardo shares lessons from 15+ years building web products, why perception often matters more than output for promotions, and how curiosity and frustration can be powerful motivators for learning. He breaks down what makes a strong tech lead, how to run compelling mock interviews, and why knowledge sharing is the ultimate multiplier for both mentor and mentee.They also discuss system des...
2025-08-2458 minSeñors at ScaleReact at Scale with Matheus AlbuquerqueIn this episode of Señors @ Scale, Staff Frontend Engineer Matheus Albuquerque joins Dan to talk all things React, rendering, and real-world performance at scale.They dive into React scheduling and fibers, why rendering strategies always “depend,” and how to make performance decisions when millions of users are at stake. Mateusz shares war stories about dropdowns with 16,000 options, migrating a stable React app to SSR (and regretting it), and what happens when browsers you’ve never heard of load your app in production.They also unpack how feature flags and ring deployments help ship safely...
2025-08-1858 minSeñors at ScaleRefactoring at Scale with Jose CalderonIn this engaging conversation, Jose Calderon, a lead software engineer at JP Morgan Chase, shares his journey into software engineering, his passion for Java and the Spring ecosystem, and the importance of documentation and decision-making in software architecture. He discusses the evolving role of AI in coding, offers tips for learning Java, and emphasizes the significance of mentoring future engineers. The conversation also touches on crafting engaging conference talks, testing strategies for enterprise software, and the balance between refactoring and rewriting code. Jose concludes with book recommendations and insights...
2025-08-111h 08Señors at ScalePragmatism at Scale with Tudor Barbu🎙️ In this episode of Señors @ Scale, Principal Engineer Tudor Barbu (ex-Personio, Skyscanner) shares two decades of software engineering lessons — from hacking on cassette-based machines to leading platform efforts in modern frontend teams.We talk debugging horror stories, the evolution of tech roles post-pandemic, and the shift from chasing technical perfection to delivering user value. Tudor breaks down what it means to be a pragmatic engineer, how he interviews for adaptability, and why ownership (not just code) drives results.Whether you're mentoring juniors, scaling architecture, or just tired of reading...
2025-08-0456 minSeñors at ScaleInterviewing at Scale with Angel ParedesSummaryIn this conversation, Angel Paredes, an engineering manager at Datadog, shares his journey from being a student with a passion for art to becoming a successful engineer and manager in the tech industry. He discusses the differences between the tech environments in Madrid and Barcelona, his transition to engineering management, and the importance of team dynamics and leadership. Angel also delves into the evolving landscape of engineering roles, the challenges of interviewing in tech, and shares valuable book recommendations for personal and professional growth.Takeaways
2025-07-271h 01Señors at ScalePerformance at Scale - With Danilo VelasquezIn this kickoff episode of Señors @ Scale, host Neciu Dan sits down with Danilo Velasquez — Staff Engineer at Adevinta and longtime frontend performance obsessive. They unpack the real battles behind Web Vitals, micro frontends, and the growing complexity of modern frontend work.Danilo shares war stories like:Supporting Internet Explorer 6 in production (yes, really)Building a homegrown Lighthouse bot to track 100+ pages every 15 minutesHow Core Web Vitals became the trigger for SEO incidentsWhy platform work is often the highest-leverage roleWhen React “won the war”...
2025-07-1857 min
PodRocketProduction horror stories with Dan NeciuDan Neciu, technical co-founder and tech lead of CareerOS, shares intriguing production horror stories, discusses the importance of rigorous testing, and provides valuable insights into preventing and managing software bugs in both backend and frontend development.
Links
https://neciudan.dev
https://www.youtube.com/@NeciuDan
https://www.linkedin.com/in/neciudan
https://x.com/neciudan
We want to hear from you!
How did you find us? Did you see us on Twitter? In a newsletter? Or maybe we were recommended by a friend?
Let us know...
2024-08-2227 min
Zeamă de Developer Podcast#13 Dan Neciu | Pauză, play și se dublează scorulCe faci când e înnorat în Barcelona? Vreme numai bună să povestești în cadrul unui nou episod din Zeamă de Developer.
Dan Neciu este Tech Lead și co-fondator la CareerOS, un startup care ajuta studenții să-și găsească primul job. Pe lângă activitățile tehnice în însorita Barcelona, își mai împărtășește pasiunea pentru tehnologie prin prezentări la conferințe și scrierea de articole despre frontend.
Descoperă călătoria lui Dan, de la serverele din mIRC, la pasiunea stârnită pentru tehnologie, pe care este determinat să o dea mai departe.
2023-07-131h 17