Señors at Scale
Señors at Scale
Podcast Description
Welcome to Señors at Scale, the podcast where seasoned engineers spill the secrets, successes, and facepalms of building and maintaining software at scale.
Join host Neciu Dan as we sit down with Staff Engineers, Principal Engineers, and other senior technologists to dive deep into the hard-won lessons of distributed systems, technical leadership, and scaling products that refuse to stay small.
From war stories in incident response to behind-the-scenes architecture decisions, each episode brings a mix of practical insights, hard truths, and a healthy dose of dev humor. If you’ve ever wrang
Podcast Insights
Content Themes
The podcast focuses on topics such as distributed systems, technical leadership, and scaling software products. Episode examples include discussions on web performance optimization, incident response war stories, and technical architecture decisions, all aimed at providing practical insights and lessons learned.

A software engineering podcast for senior developers, staff engineers, and tech leads who build and scale systems in production. Hosted by Neciu Dan, Señors @ Scale features deep, technical conversations with engineering leaders from companies like Google, AWS, Microsoft, Cloudflare, Datadog, and Snyk.
Every week, we sit down with Staff Engineers, Principal Engineers, and technical leaders to unpack the real challenges of frontend architecture, micro frontends, React and Vue at scale, design systems, security, reliability, and technical leadership. No fluff, no surface-level takes. Just hard-
Poly repos were good when we needed separation. But in the age of AI, do we still need it? Santosh Yadav doesn't think so.
In this episode of Señors at Scale, I sit down with Santosh Yadav, Principal Developer Advocate at CodeRabbit, Google Developer Expert for Angular, GitHub Star, Nx Champion, and Microsoft MVP. Santosh has spent years deep in the monorepo world, including leading the move to Module Federation and driving Nx adoption across 30+ teams during his time as a staff engineer at Celonis.
We get into why monorepos are quietly becoming an AI superpower, how context changes everything when AI tools can read your dependency graph, and what it actually takes to migrate 20+ apps off polyrepos. Santosh also pulls back the curtain on CodeRabbit: how they handle context engineering for code review, why they run evals against 40+ models, their AI slop detector for open source, and how the team reacted when the big labs shipped their own code reviewers.
Key Topics:
– Becoming a GDE, GitHub Star, and Nx Champion (and what each actually gives you)
– Migrating 20+ apps to Module Federation at Celonis
– Monorepo vs Polyrepo in the age of AI
– Why AI tools thrive on monorepo context
– What Nx really is and when you need it
– Inside CodeRabbit: context engineering, model evals, and the AI slop detector
– Sponsoring open source with $1M+ in commitments
– How startups survive when the big labs ship competing features
GUEST LINKS
💼 LinkedIn: https://www.linkedin.com/in/santoshyadavdev/
🐦 X: https://x.com/SantoshYadavDev
🐙 GitHub: https://github.com/santoshyadavdev
🌐 Website: https://www.santoshyadav.dev/
FOLLOW & SUBSCRIBE
🎙️ Podcast: https://neciudan.dev/senors-at-scale
📨 Newsletter: https://neciudan.dev/subscribe
💼 Show LinkedIn: https://www.linkedin.com/company/senors-scale/
📸 Instagram: https://www.instagram.com/senorsatscale/
👤 My LinkedIn: https://www.linkedin.com/in/neciudan
📸 My Instagram: https://www.instagram.com/neciudev
ADDITIONAL RESOURCES
CodeRabbit: https://www.coderabbit.ai/
Nx: https://nx.dev/
#Monorepo #Nx #ModuleFederation #AICodeReview #CodeRabbit #Angular #DeveloperExperience #OpenSource #SoftwareEngineering #StaffEngineer
What's your take, are monorepos the right move in the age of AI, or is polyrepo still worth defending? 💬

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