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 8 of 34
- Security, Auth, and Compliance
Multi Factor Authentication: WebAuthn, TOTP, and Beyond
MFA is no longer optional for B2B SaaS. Here is how TOTP, WebAuthn, passkeys, and hardware keys compare, what to implement first, and how to enforce MFA without alienating your user base.
6 min read
- AI Integration and Vibe Coding Rescue
Multi Agent Systems for SaaS: A Practical Architecture
Multi-agent AI systems are becoming a practical architecture choice for SaaS products. Here is how to design an orchestrator-agent pattern that is reliable, observable, and cost-controlled in production.
6 min read
- SaaS Architecture and Scaling
Monolith vs Microservices: Why Most Startups Get It Wrong
Microservices are the architecture that works at Netflix and fails at early-stage startups. Here is why the monolith is the right default, when microservices become rational, and how to make the transition without breaking everything.
6 min read
- Web App and Frontend Development
Modal Patterns That Do Not Trap Users
Modals are overused, frequently misimplemented, and a common source of user frustration. Here is how to design and build modals that provide the right information at the right time without trapping users or creating accessibility failures.
6 min read
- Performance Optimization
Mobile Performance Profiling: A Founder's Reading Guide
Mobile performance problems are invisible until users leave. This guide explains how to profile mobile app performance, what metrics matter, and how to interpret profiling data without an engineering background.
6 min read
- Cross Platform and Mobile Development
Mobile Authentication: Biometrics, Magic Links, and the Death of Passwords
Passwords on mobile are a friction problem and a security problem. Here is how biometrics, magic links, and passkeys are replacing them, and what to implement for a mobile app that needs both security and low friction.
6 min read
- Cross Platform and Mobile Development
Mobile App Rewrites: When They Are Inevitable and When They Are a Mistake
A mobile app rewrite feels like a fresh start. Often it is a six-month detour that reproduces the same problems in a new codebase. Here is how to decide whether you actually need a rewrite or whether targeted refactoring will solve the problem.
6 min read
- Software Costs and Budgeting
Mobile App Development Costs: Native, Cross Platform, and Hybrid Compared
The cost difference between native, React Native, Flutter, and hybrid mobile development is significant. Here are the real numbers, what drives them, and how to choose the approach that fits your stage and budget.
6 min read
- Tech Debt and Refactoring
Migrating From REST to GraphQL: A Strategic Read
GraphQL solves real problems but introduces its own. The migration from REST to GraphQL is not a performance upgrade; it is an architectural shift. Here is when it is worth it and how to do it without breaking existing clients.
6 min read
- Tech Debt and Refactoring
Migrating From Express to Fastify or NestJS or Beyond
Express still works but it shows its age in production. Here is when to migrate, which framework to migrate to, and how to do it incrementally without breaking the application that customers depend on.
6 min read
- Backend, APIs, and System Design
Message Queues Compared: SQS, Kafka, RabbitMQ, Redis Streams
SQS, Kafka, RabbitMQ, and Redis Streams are all message queues, but they solve different problems at different scales. Here is how to choose the right one for your architecture without over-engineering the first version.
6 min read
- Performance Optimization
Memory Leaks in Long Lived Web Apps
Memory leaks in single-page applications are invisible until the tab slows to a crawl. Here is how they form, how to detect them, and the patterns that eliminate the most common sources in React applications.
6 min read
- Software Costs and Budgeting
Maintenance Budgets: What to Expect After Launch
Most software cost conversations focus on building. The ongoing cost of maintaining, updating, and keeping a live product running is where founders get surprised. Here is what a realistic maintenance budget looks like.
6 min read
- Comparisons and Vendor Decisions
Loom vs Tella vs Screen Studio for Founder Communication
Async video is one of the highest-leverage communication tools for founders. Here is how Loom, Tella, and Screen Studio compare for investor updates, sales demos, and team communication in 2026.
6 min read
- DevOps, Deployment, Infrastructure
Logging Strategy for SaaS: Structured, Searchable, Useful
Logs that are not searchable during an incident are not logs. Here is the structured logging strategy that makes SaaS application logs useful when something breaks at 2am and you need to find the problem fast.
6 min read
- Security, Auth, and Compliance
Logging Customer Data: The Privacy Mistakes That Get You Sued
Application logs are where GDPR violations happen silently. Here is what data should never appear in logs, how to audit existing logging, and the patterns that keep you compliant without losing operational visibility.
6 min read
- Web App and Frontend Development
Loading States, Skeletons, and Optimistic UI
How you handle loading states is one of the most visible indicators of product quality. Here is the decision framework for when to use spinners, skeletons, and optimistic updates, and the common mistakes that make apps feel slow.
6 min read
- Comparisons and Vendor Decisions
Liveblocks vs PartyKit vs Custom for Real Time Features
Real-time collaboration is one of the hardest infrastructure problems in web development. Liveblocks and PartyKit remove most of that complexity. Here is how they compare and when building custom still makes sense.
6 min read
- Comparisons and Vendor Decisions
Linear vs Shortcut vs GitHub Projects for Engineering Workflow
Three strong issue trackers, three different product philosophies. Here is how Linear, Shortcut, and GitHub Projects compare for engineering teams that want to spend more time shipping and less time in a project management tool.
6 min read
- Comparisons and Vendor Decisions
Linear vs Jira: A 2026 Decision
Linear and Jira both track engineering work. The decision comes down to team size, process maturity, and how much configuration overhead you can absorb. Here is the practical case for each in 2026.
6 min read
- Business Automation and Ops
Lead Pipeline Automation: From Form to CRM Without Touching It
A lead that sits in a form submission for three hours before someone manually enters it into a CRM is a lead that has gone cold. Here is how to automate the entire path from form to qualified contact without manual intervention.
6 min read
- Performance Optimization
Lazy Loading: The Patterns That Work and the Ones That Backfire
Lazy loading reduces initial page weight when done correctly. When done incorrectly, it delays the content users actually need and hurts Core Web Vitals. Here is how to apply it with precision.
6 min read
- Performance Optimization
Largest Contentful Paint: The Metric That Changes Conversions
LCP is the Core Web Vital that measures how fast the main content loads. It is also the metric most directly correlated with conversion rate. Here is what causes poor LCP and how to fix it systematically.
6 min read
- Backend, APIs, and System Design
Lambda Cold Starts: Why They Still Matter in 2026
Cold starts have improved significantly but have not been eliminated. Here is the current state of cold start latency, which use cases still require mitigation, and the practical patterns that keep them from affecting users.
6 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.