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Every startup says they’ll “add tests later.” Most never do. Then one big release breaks production, users get frustrated, and developers lose trust in deployments.
At TLVTech, we’ve learned that testing isn’t about adding complexity—it’s about buying confidence. The right tests let you ship faster, not slower.
1. They Test Too Much, Too Soon
Some teams try to test every line of code, but overtesting slows development and increases maintenance costs.
Fix: Focus on testing what matters—business-critical flows, integrations, and user experience.
2. They Separate Frontend and Backend Testing Too Strictly
Fullstack systems are connected—bugs often live at the boundaries.
Fix: Add integration and end-to-end (E2E) tests that mimic real user behavior across the stack.
3. They Don’t Automate Testing Early Enough
Manual testing feels faster—until it isn’t. Without automation, every release becomes a guessing game.
Fix: Automate early in CI/CD pipelines using tools like Jest, Cypress, and Playwright.
4. They Skip Testing Non-Functional Requirements
Performance, security, and reliability are rarely tested—but that’s where major incidents hide.
Fix: Include load testing, regression monitoring, and basic security scans in every cycle.
1. Unit Tests – Foundation
Validate logic at the smallest level—pure functions, components, and services.
Tools: Jest, Mocha, Vitest.
2. Integration Tests – Boundaries
Test how your backend APIs, databases, and frontends work together.
Tools: Supertest, Postman, or custom API scripts.
3. End-to-End (E2E) Tests – Real User Scenarios
Simulate actual workflows—signup, checkout, or dashboard interactions.
Tools: Cypress, Playwright.
4. Performance & Regression Tests – Reliability Over Time
Detect slow endpoints and degraded UX before users do.
Tools: k6, Lighthouse, or Datadog synthetic tests.
Testing isn’t about slowing teams down—it’s how you move faster with confidence. A good testing culture turns fear of deployment into a competitive edge.
At TLVTech, we help startups build fullstack testing pipelines that catch real problems early—so they can scale safely, deploy confidently, and sleep better.
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Hiring a Fractional CTO? Industry experience, technical expertise, and problem-solving skills matter. Learn from famous startups' CTO evaluations for success.
• Java microservices break down a large application into small, self-contained units that perform a single function, thereby improving system reliability and manageability. • Microservices, smaller than a Lego piece, can function independently but collaborate via APIs and HTTP protocols to deliver a complex application. • Java's reliable, scalable, and secure nature makes it a choice platform for microservices, with support for robust API development and portable across diverse platforms. • Java's frameworks like Spring Boot streamline microservice development, together with containerization tools like Docker, which provides an independent environment for running Java microservices. • Microservices involve breaking down tasks into small, manageable parts, with popular development tools like Maven and principles like decoupled services, and service discovery. • A CV for a specialist in Java microservices should highlight coding and testing skills, along with experience of real-world projects. • Building a Java microservice involves defining its task, using Java tools like Spring Boot, coding and testing the service before deploying it. • Examples of practical Java microservices applications include those used by Netflix and Uber.
In the ever-evolving landscape of technology, it can be challenging to keep up with the latest buzzwords. One term you might have heard a lot lately is "serverless." But fear not, because in this blog post, we're going to break down serverless computing in a way that even your grandma would understand. We'll use everyday analogies and simple language to explain how serverless works, what makes it different from traditional computing, and why it matters in today's digital world. So, if you've ever been curious about serverless but didn't know where to start, join us as we embark on this journey to demystify serverless technology.
