#4 Startup Engineering
December 5, 2025 · 00:58:49 · Krisztian Fischer & Toby Sears
Show Notes
In this episode, Toby and Krisztian tackle the challenges of startup engineering, drawing on experience helping companies scale from nothing to tens of developers. They explore the two main startup archetypes: the bootstrapped zero-to-one prototype phase and the well-funded one-to-many scaling phase. Topics include picking the right tech stack, when to use vibe coding versus proper infrastructure, the danger of over-engineering early, unit economics, multi-account cloud environments, avoiding the trap of rebuilding your data centre in the cloud, and why unblocking other teams is always the highest-value activity.
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Chapters
0:00 Introduction
0:26 Setting the scene: two types of startup
2:07 Phase one: zero to one, get out the door fast
5:33 Defining MVP and avoiding scope creep
9:57 Zero to one vs one to many: different problems
13:42 Real startup examples: from vibe coding to Kubernetes
15:48 Security, compliance, ISO 27001, GDPR
17:58 Build vs buy
20:00 Practical tech stack for a solo founder MVP
22:56 Scaling with three developers and early funding
24:47 Unit economics: know your cost per user
28:04 Managing technical debt consciously
30:04 Use boring tech and popular languages
33:14 Organisational structure first, then tech
36:16 Standards, contracts and avoiding API chaos
40:41 Multi-account cloud strategy from day one
43:57 The real cost of blocking engineers
47:52 Unblocking other teams is always highest priority
50:03 Data architecture to avoid cross-domain dependencies
54:14 When to use consultants and fractional expertise
56:03 Summary and key takeaways
Technologies Mentioned
Replit - https://replit.com
Next.js - https://nextjs.org
Vercel - https://vercel.com
Supabase - https://supabase.com
GitHub Actions - https://github.com/features/actions
AWS EKS - https://aws.amazon.com/eks
Kubernetes - https://kubernetes.io