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QA & Software Testing

Ship Products with
Absolute Confidence

Don't let bugs destroy your reputation. We provide end-to-end quality assurance, from automated regression testing to rigorous security audits.

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The Cost of Quality

Is Poor Code
Slowing You Down?

Releasing software with defects isn't just embarrassing; it's expensive. Post-release bug fixes cost 10x more than finding them during development.

Critical Bugs

System crashes and data corruption during peak usage can destroy user trust instantly and lead to massive churn.

Delayed Releases

Testing manually at the last minute creates bottlenecks, pushing launch dates and missing market opportunities.

Security Vulnerabilities

Unchecked code is a playground for hackers. Security breaches can lead to legal action and hefty fines.

Device Fragmentation

Your app works on iPhone 15 but crashes on Samsung S21. Inconsistent performance across devices frustrates users.

Scalability Failures

The site works with 10 users but crashes with 10,000. Load testing is often ignored until it's too late.

Regression Nightmares

Fixing one bug creates two more. Without automated regression suites, maintaining code quality becomes impossible.

Our Services

Comprehensive QA Solutions

We integrate quality into every stage of the SDLC (Software Development Life Cycle).

Test Automation

We build robust automated test scripts using Selenium and Appium to speed up regression testing and ensure consistent results.

Manual Testing

Expert exploratory testing to catch UI anomalies, usability issues, and edge cases that automated scripts might miss.

Performance Testing

Load and stress testing using JMeter and Gatling. We simulate high traffic to ensure your app stays fast under pressure.

Mobile App Testing

Rigorous testing on real devices (iOS & Android) to ensure compatibility, responsiveness, and battery efficiency.

API Testing

Validation of business logic, data reliability, and integration points using Postman and SOAPUI before the UI is even built.

Security Audits

Vulnerability scanning and penetration testing (OWASP Top 10) to identify weak spots and secure user data.

Our QA Toolbox

We use the latest tools and frameworks to ensure complete test coverage.

Automation

  • Selenium Webdriver
  • Cypress
  • Playwright
  • Appium

Performance

  • Apache JMeter
  • Gatling
  • LoadRunner
  • k6

API & Security

  • Postman
  • SOAPUI
  • Burp Suite
  • SonarQube

Management

  • JIRA
  • TestRail
  • Trello
  • GitHub Actions

Why Trust Constelly for
Quality Assurance?

We don't just find bugs; we prevent them. Our process is designed to improve your overall code quality and development velocity.

Certified Professionals

Our team holds ISTQB certifications and has extensive experience across various domains.

CI/CD Integration

We integrate automated tests directly into your DevOps pipeline for continuous quality.

Faster Time-to-Market

Automation reduces regression cycle times from weeks to hours, letting you ship faster.

98%

Defect Removal Efficiency

500+

Devices Tested

10k+

Automated Scripts

0

Critical Escaped Bugs

Frequently Asked Questions

Manual testing is performed by humans clicking through the application to find bugs. It's best for usability and ad-hoc testing. Automated testing uses scripts to run repetitive tests. It's best for regression testing and load testing where speed and consistency are key.
As early as possible. We advocate for a "Shift Left" approach, meaning testing begins during the requirements and design phase. Finding a bug in the design phase costs pennies; finding it in production costs thousands.
Yes. We have a physical device lab with hundreds of iOS and Android devices, as well as access to cloud device farms (BrowserStack/SauceLabs) to test your app on virtually any device configuration.
Regression testing verifies that recent code changes haven't broken existing functionality. It is crucial before every release. We typically automate this process to ensure it's fast and comprehensive.
Yes. API testing is faster and more reliable than UI testing. We validate the data exchange, response codes, and logic of your backend services directly, ensuring the core of your application works before focusing on the frontend.
Yes. We perform vulnerability assessments and penetration testing. We scan for common threats like SQL injection, XSS, and broken authentication to ensure your application is secure against attacks.
We use standard bug tracking tools like JIRA. Every bug report includes steps to reproduce, screenshots/videos, severity level, and environment details, making it easy for your developers to fix.
Yes. We simulate thousands of concurrent users to test how your application behaves under high load. We identify bottlenecks in the database, server, or code that could cause slowness or crashes during peak times.
Yes. We have global teams and can offer overlapping hours for collaboration or 24/7 "follow the sun" testing cycles where we test while your team sleeps.
UAT is the final phase of testing where real users or clients verify the system works for their business scenarios. We facilitate this process, providing test plans and support to ensure a smooth sign-off before go-live.

Ensure Flawless Software Quality

Deliver bug-free software with comprehensive automated and manual testing. Enhance user satisfaction with rigorous QA processes.

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