The Journal
The notes I would have wanted at fifteen.
Long-form notes on shipping production systems, scaling SaaS, hiring engineers, AI integration, and the engineering decisions behind Yashveer Labs — written by founder Yashveer Singh.
Tech Debt in Startups: How It Kills Products and How to Manage It
Tech debt does not announce itself. It compounds quietly until velocity drops to zero. Here is how to manage it before it manages you.
Business Automation and OpsTax Compliance for International SaaS: The Real Engineering Lift
International tax compliance for SaaS is an engineering problem disguised as an accounting one. Here is what it actually takes to build it correctly.
Recruiter and Career PositioningTake Home Tests: How to Approach Them Strategically
Take home tests are an opportunity to show your engineering judgment, not just your coding speed. Here is how to approach them to maximize your outcome.
Hiring Developers, Freelancers, and AgenciesTake Home Coding Tests: Yes, No, and How to Make Them Fair
Take home tests reveal real engineering judgment but often waste candidates' time. Here is how to use them well or skip them entirely.
Comparisons and Vendor DecisionsTailwind UI vs shadcn vs Headless UI vs Build Your Own
Four approaches to UI components for React applications. Here is which one fits your team size, timeline, and design system ambitions.
DevOps, Deployment, InfrastructureTagging Strategy on AWS: The One That Pays Off
AWS tagging is the difference between an understandable cloud bill and a mysterious one. Here is the tagging strategy that actually holds up over time.
Recruiter and Career PositioningSwitching Stacks Without Losing Your Seniority
Switching programming languages or frameworks does not reset your career. Here is how to make the transition without starting over from zero.
Comparisons and Vendor DecisionsSupabase vs Firebase vs Custom in 2026
Supabase, Firebase, and custom backends each serve a different kind of team. Here is the honest comparison that helps you pick the right one.
Software Costs and BudgetingSubscription Software Cost Modeling for B2B SaaS
B2B SaaS pricing is not intuitive and most founders get the cost model wrong before they write the first line of code. Here is how to build it correctly.
Cross Platform and Mobile DevelopmentSubscription Apps on iOS: StoreKit 2 in Practice
StoreKit 2 is Apple's modern subscription API and it changes how iOS apps handle purchases, renewals, and entitlements. Here is what actually matters.
Comparisons and Vendor DecisionsStripe vs Paddle vs Lemonsqueezy in 2026
Three billing platforms, three different philosophies. Here is which one is right for your SaaS in 2026 and what each costs you.
Comparisons and Vendor DecisionsStripe Tax vs Lemonsqueezy vs Manual: Tax Compliance Compared
Three approaches to sales tax compliance for SaaS founders. Here is what each one actually costs and where each one breaks.
Business Automation and OpsStripe Connect: When You Are Actually a Marketplace
Stripe Connect is the right choice when money flows through your platform to other parties. Here is what it takes to implement it correctly.
AI Integration and Vibe Coding RescueStreaming AI Responses to Users: An Architecture Primer
Streaming AI responses is a UX decision with real backend consequences. Here is how to implement it without making your product unreliable.
Web App and Frontend DevelopmentStorybook in 2026: Still Worth It?
Storybook is a component development tool teams either love or abandon. Here is an honest read on when it pays and when it costs.
DevOps, Deployment, InfrastructureStatus Pages That Build Trust During Outages
A status page is your first line of communication when things break. Build one before the outage, not after.
Security, Auth, and ComplianceSQL Injection in 2026: Still Happening, Still Preventable
SQL injection has been on the OWASP Top 10 for two decades. It is still being exploited. Here is why and how to stop it.
Recruiter and Career PositioningSpeaking at Conferences as a Senior Engineer
Conference speaking is one of the highest leverage career moves for a senior engineer. Here is how to do it without wasting your time.
Software Costs and BudgetingSoftware Development Cost Comparison: US vs UK vs Eastern Europe vs Asia
Geography affects developer rates dramatically. Here is a realistic breakdown of what different markets actually cost.
Software Costs and BudgetingSoftware Cost Anchoring: Why Your First Quote Sets the Trap
The first number you hear for a software project becomes the reference point for every number after it. That is the trap.
SaaS Architecture and ScalingSoft Locks vs Hard Locks: A Database Concurrency Primer
Concurrency bugs are among the hardest to reproduce and the most expensive to fix. Here is how locking actually works.
SaaS Architecture and ScalingSoft Limits, Hard Limits, and Rate Limiting: A SaaS Survival Guide
Limits protect your product from abuse, misuse, and accidental destruction. Here is how to implement them properly.
SaaS Architecture and ScalingSoft Deletes vs Hard Deletes: A SaaS Data Strategy Debate
Soft deletes seem safe but create long term complexity. Here is how to decide and what you are trading away.
Security, Auth, and ComplianceSOC 2 Type I vs Type II: A Founder's Guide to Both
SOC 2 Type I proves you have the controls. Type II proves they work over time. Here is what each means and when you need them.