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 14 of 34
- DevOps, Deployment, Infrastructure
Database Hosted vs Self Hosted: An Honest Comparison
Managed databases cost more in dollars and less in time. Self hosted databases cost less in dollars and more in time. The right call depends on what your team has more of.
11 min read
- DevOps, Deployment, Infrastructure
Database Backups: The Setup Most Teams Get Wrong
Database backups are easier to misconfigure than to configure correctly. The defaults are dangerous. The right setup is small but specific. Here is what to verify before you need the backup.
11 min read
- Security, Auth, and Compliance
Data Residency for International SaaS: A Real Plan
Data residency is one of those compliance requirements that turns into engineering reality the moment an enterprise customer asks. Plan for it before. The retrofit is much harder than the original design.
12 min read
- SaaS Architecture and Scaling
Customer Tier Enforcement: Free, Pro, Enterprise the Right Way
Tier enforcement scattered across the codebase is the source of every upgrade bug. Centralized, declarative tier enforcement is the discipline that scales with the pricing model.
11 min read
- AI Integration and Vibe Coding Rescue
Customer Support Automation: Where AI Wins and Where It Loses
AI can handle the repetitive part of customer support. AI cannot handle the part where the customer needs a human to acknowledge them. The right automation knows the difference.
12 min read
- Startup Technical Strategy
Customer Success Engineering: A Quiet Revenue Driver
Customer success engineering is the function that turns the customer's product experience into a managed outcome. The teams that invest in it expand revenue. The teams that ignore it leak it.
12 min read
- Security, Auth, and Compliance
Customer Managed Encryption Keys: Enterprise Engineering
Customer managed encryption keys are the enterprise feature most SaaS teams build last and discover they needed sooner. Here is the architecture, the cost, and the trade offs.
13 min read
- Comparisons and Vendor Decisions
Customer.io vs Loops vs Resend Audiences for Lifecycle Email
Customer.io for power and depth. Loops for simplicity and modern developer experience. Resend Audiences for teams already on Resend. Three credible options. Each fits a different team.
12 min read
- Business Automation and Ops
Customer Health Scoring: A Founder Engineer's Build
A health score that the customer success team trusts is built from signals the engineer can measure. Not from sentiment. Not from feel. Here is the build I use with clients to ship a real score in weeks.
12 min read
- Comparisons and Vendor Decisions
Cursor vs Claude Code vs Copilot for Daily Engineering
Daily engineering has changed. The right AI coding tool is a workflow decision now, not a curiosity. Here is how each tool fits real engineering work in 2026.
11 min read
- AI Integration and Vibe Coding Rescue
Cursor, Claude Code, Copilot: Which One Wins for Founders in 2026
Cursor for IDE based work. Claude Code for terminal and agent style work. Copilot for the team that lives in VS Code. Each wins a specific shape of work. Most senior engineers use multiple.
12 min read
- Web App and Frontend Development
CSS Architecture: Tailwind vs CSS Modules vs Vanilla Extract
Tailwind wins on speed and team velocity. CSS Modules wins on familiarity and clear boundaries. Vanilla Extract wins on type safety. The decision depends on what your team needs.
11 min read
- Security, Auth, and Compliance
CSRF, XSS, SSRF: A Modern Web Security Primer
Three of the most common web vulnerabilities in 2026 are still CSRF, XSS, and SSRF. The frameworks help with some. The team has to handle the rest. Here is the modern read on each.
12 min read
- Performance Optimization
Critical CSS: When to Bother, When to Skip
Critical CSS was an essential optimization in 2018 and is a niche optimization in 2026. Modern frameworks have made most of the win automatic. Here is when the manual work still earns its keep.
10 min read
- Backend, APIs, and System Design
CRDTs in Production: A Real World Look
CRDTs solve a specific class of distributed problems and create complications everywhere else. The teams that use them well pick the problem deliberately. The teams that adopt them as a default regret it.
12 min read
- Cross Platform and Mobile Development
Crash Reporting and Mobile Stability: A Bare Minimum Setup
Mobile crashes that you do not see do not get fixed. The bare minimum stability setup is small. The teams that skip it discover crashes through App Store reviews instead of through their tooling.
11 min read
- Backend, APIs, and System Design
CQRS in Practice: When the Complexity Earns Its Keep
CQRS is a pattern that earns its complexity in specific cases and costs more than it gives in most. Here is the honest read on when separating reads from writes pays back.
11 min read
- Software Costs and Budgeting
Cost of Adding AI Features to an Existing App
An AI feature on top of an existing app is not a sprint of work. The integration, prompts, evals, caching, observability, and ongoing model fees add up. Here is what to budget.
12 min read
- Software Costs and Budgeting
Cost Calculators for App Development: Which Ones to Trust
App development cost calculators on the internet are almost entirely lead generation for agencies. The numbers are unreliable. Here is how to estimate cost honestly without trusting a calculator that has incentives.
11 min read
- DevOps, Deployment, Infrastructure
Cost Allocation for Engineering: A FinOps Primer
Engineering cost without allocation is an opaque blob. Allocated by team, feature, or customer, the cost becomes visible and actionable. Here is the FinOps primer that fits a small SaaS.
12 min read
- Security, Auth, and Compliance
Cookie Compliance Without Killing Conversion
The standard cookie banner is a conversion killer. Compliant alternatives exist. The teams that take this seriously preserve compliance and conversion. The teams that do not lose either or both.
11 min read
- Hiring Developers, Freelancers, and Agencies
Contract vs Full Time: The Tradeoff Map
Contract for clarity of scope and rate. Full time for ownership and equity. Each works for the work that fits it. The mistake is using either for the wrong job. Here is the map.
12 min read
- DevOps, Deployment, Infrastructure
Containerization: Why Docker Is Still Worth Learning
Containers feel like solved infrastructure now. They are not. The engineers who understand Docker deeply ship faster and debug better than the ones who treat containers as a black box.
12 min read
- Performance Optimization
Connection Pooling: Why Defaults Are Wrong for Most Stacks
Every framework ships connection pool defaults. Almost none of them match your actual workload. The defaults are designed for the general case. Your workload is specific. Here is how to pick the right numbers.
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.
