The notes I would have wanted at fifteen.
Long form pieces on shipping production systems, scaling SaaS, hiring engineers, AI integration, and the engineering decisions behind Yashveer Labs.
799 posts · page 18 of 34
- Software Costs and Budgeting
App Store and Play Store Costs: Fees, Reviews, and Hidden Friction
The thirty percent fee gets all the attention. The other costs of distributing through Apple and Google are equally real and far less discussed. Here is the honest list.
11 min read
- Web App and Frontend Development
App Router vs Pages Router: The Migration Decision
Next.js 13 introduced the App Router and the question has hung over every Next codebase since. The migration is real work. The question is whether the gains are worth it for your product. Here is the honest call.
11 min read
- Cross Platform and Mobile Development
App Reviews Are a Product: How to Engineer Them
Most app teams treat reviews as something users do or do not write. The teams that take reviews seriously treat them as a feature, engineer the prompts, and watch the rating climb. Here is the discipline.
11 min read
- Software Costs and Budgeting
App Maintenance Cost: A Five Year Forecast Model
Building an app is the cheap part. Maintaining it over five years is where the real cost lives. Here is the model I use to project that bill for founders before they commit.
12 min read
- Performance Optimization
API Response Times: How to Track What Matters
Average response time is the worst metric in distributed systems. The numbers that matter are percentiles, and the cuts that matter are by endpoint and by customer. Here is the discipline that works.
11 min read
- Security, Auth, and Compliance
API Key Rotation Without Customer Outages
Rotating API keys without breaking integrations is a discipline more than a technology. The pattern that works for me on client projects is overlap, notice, deprecation, and observability.
10 min read
- Backend, APIs, and System Design
API Gateway Patterns for SaaS: Kong, Tyk, AWS API Gateway Compared
An API gateway is either the cleanest piece of your architecture or the slowest. The right choice depends on whether you optimize for vendor managed simplicity or self hosted control. Here is the call I make per project.
11 min read
- Backend, APIs, and System Design
API Documentation That Developers Actually Read
Most API documentation is reference. The kind developers actually use is part reference, part tutorial, part recipe book. Here is the structure that works.
11 min read
- Security, Auth, and Compliance
API Authentication in 2026: API Keys, JWTs, OAuth, mTLS
Four authentication schemes, four very different threat models. The right choice depends on who you trust, how you rotate, and how much pain you can absorb. Here is the call I make per project.
12 min read
- Web App and Frontend Development
Animations That Feel Premium Without Slowing Down the App
Premium animation is not more animation. It is the right animation, on the right interaction, run on the right thread. Here is the discipline behind apps that feel expensive.
11 min read
- Cross Platform and Mobile Development
Android App Bundles: Why You Should Have Switched Already
Google has been pushing app bundles for years. The teams still shipping APKs are leaving install rate and ratings on the table. Here is what you actually gain by switching.
9 min read
- Comparisons and Vendor Decisions
Algolia vs Typesense vs Meilisearch vs Postgres Full Text
Four search options, four very different cost and operational profiles. The right one depends on scale, budget, and how much search engineering you want to own. Here is the call I make per project.
12 min read
- AI Integration and Vibe Coding Rescue
AI Watermarking and Provenance for Customer Trust
Customers increasingly want to know which words and images in your product were generated by AI. Watermarking and provenance are how you tell them, in a way that earns trust instead of triggering distrust.
10 min read
- AI Integration and Vibe Coding Rescue
AI Powered Dashboards: A Founder's Differentiator
Every B2B SaaS in 2026 has a dashboard. Few of them surface insight. AI powered dashboards are the cheapest competitive moat available to founders shipping in the next twelve months.
11 min read
- AI Integration and Vibe Coding Rescue
AI Integration in SaaS Apps: Real Costs, Challenges, and ROI
AI integration is being sold as a quick win. The real cost picture, including the parts no vendor advertises, is more complicated and more interesting. Here are the numbers I see on actual client engagements.
12 min read
- Cross Platform and Mobile Development
AI in Mobile Apps: On Device vs API Tradeoffs
Where the AI runs decides what the app can do, what it costs, and how the user feels about privacy. The honest comparison for founders deciding in 2026.
11 min read
- AI Integration and Vibe Coding Rescue
AI Hallucinations in Customer Facing Products: How to Defend
Hallucinations are not a model bug to wait out. They are a property of language models that production systems have to engineer around. Here are the patterns that contain the damage.
11 min read
- AI Integration and Vibe Coding Rescue
AI Generated Reports for B2B Customers: An Adoption Pattern
AI generated reports are the most underrated B2B feature of 2026. Done right, they reduce churn and create a new sales surface. Done wrong, they produce confident nonsense that customers stop reading.
11 min read
- AI Integration and Vibe Coding Rescue
AI Function Calling: The Pattern That Changes Product Surface Area
Function calling is not a feature, it is a re architecture. Done right, it shrinks your UI and grows what the user can do. Done wrong, it is a confused agent that nobody trusts.
11 min read
- AI Integration and Vibe Coding Rescue
AI Feature Flags: Rolling Out Generative Features Safely
Feature flags are the cheapest insurance against an AI feature that breaks production. The discipline takes a day to set up and saves you the week you would lose on a panic rollback.
10 min read
- AI Integration and Vibe Coding Rescue
AI Failover and Fallback Patterns: When Your Model Stops Working
Every AI feature in production will fail. Rate limits, timeouts, model outages, prompt drift. The patterns that keep the product alive when the model is not are smaller and more proven than most teams realize.
11 min read
- AI Integration and Vibe Coding Rescue
AI Evals: How to Test Your AI Features Like Software
Most teams ship AI features without a test suite, then patch by vibes. The teams that stay sane have an evaluation harness that runs on every change. Here is what a real one looks like.
12 min read
- AI Integration and Vibe Coding Rescue
AI Driven Personalization: Real Value or Vanity?
Most AI personalization is a more expensive way to do what cohort segmentation already did. The cases where it actually moves the metric are narrower than the marketing implies. Here is the honest line.
11 min read
- AI Integration and Vibe Coding Rescue
AI Customer Risk: Why Some Buyers Avoid AI Heavy Products
A growing segment of enterprise and consumer buyers actively avoid AI heavy products. Understanding why they avoid them is the difference between selling to them and losing the deal in legal review.
11 min read
More than blog posts.
The Labs folder has the experiments themselves. The Systems folder has the stack and architecture. The Journey folder has the timeline. Pick whichever pulls you.