Hire Functional Testers

Deliver seamless digital experiences with our Expert Functional Testing Services. Whether you’re launching a new product or scaling an existing solution, our certified QA engineers ensure your application meets all functional requirements, works flawlessly across devices, and delivers maximum reliability.

Comprehensive Manual Functional Testing Services for web, mobile, and enterprise applications
Detect critical bugs early with structured Functional Testing Services
Experienced QA engineers proficient in automation and manual test execution
Domain-specific expertise to validate complex workflows and business logic
Scalable testing teams tailored to your project requirements

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Our Valuable Clients

Hire Functional Testers for Reliable Software Quality Services

Our team of highly skilled QA engineers, manual testers, and automation experts delivers end-to-end functional testing services that ensure your software works seamlessly across platforms, operating systems, and multiple devices. With a strong focus on manual functional testing, regression testing, automated testing, integration testing, and user acceptance testing, we guarantee that your applications meet business needs, enhance user satisfaction, and align with real-world conditions.

Unit Testing

We perform detailed unit testing to validate the smallest modules of your software application in isolation. This ensures that each piece of code functions correctly before being integrated into the larger system. Our QA professionals use a mix of automation tools and human judgment to identify defects early in the development lifecycle, reducing rework and costs in later phases.

Smoke Testing

Our QA testers carry out smoke testing to verify the stability of builds deployed in the testing environment. This crucial step ensures that the core functionality of your web and mobile applications is intact before deeper functional testing begins, saving development teams from wasting time on unstable builds.

Sanity Testing

Sanity testing is conducted after fixes or new features are deployed, ensuring the recent changes work without breaking existing workflows. Our qa specialists perform targeted checks with test scripts and test execution strategies, guaranteeing smooth continuous testing and rapid iteration aligned with user requirements.

Integration Testing

We provide integration testing services that ensure seamless interaction between different modules, APIs, and third-party systems. Our QA experts validate software quality across various enterprise software environments, guaranteeing error-free communication and smooth system testing.

User Interface Testing

Our QA team conducts user interface testing to evaluate web and mobile applications across multiple devices. This includes verifying the functionality of links, forms, buttons, and menus, ensuring that the user experience is consistent, intuitive, and aligned with functional requirements.

Ad-Hoc / Gorilla Testing

With ad-hoc testing, our QA engineers simulate real-world conditions using random inputs to identify hidden issues. This approach leverages human judgment and creativity to expose defects that structured testing methodologies may overlook, helping improve your product’s quality and usability testing outcomes.

Regression Testing

Our experts perform regression testing to ensure that new features, patches, or upgrades do not introduce issues in existing functionalities. Using both manual testing and automated functional testing, our QA team safeguards against unexpected breakdowns, ensuring seamless integration within your development cycles.

System Testing

We perform system testing to verify compliance with functional requirements and business needs. Our QA testers validate the complete software development process, ensuring applications perform reliably across operating systems, real devices, and web apps with comprehensive coverage.

User Acceptance Testing (UAT)

Before deployment, our QA professionals conduct user acceptance testing to ensure your software application aligns with business goals and end-user expectations. This stage validates real-world conditions, helping businesses achieve maximum user satisfaction before going live.

Requirements Ambiguity Testing

Our QA engineers meticulously review requirements to identify gaps, conflicts, or unclear points before initiating the development process. This prevents rework, aligns functional testing strategies with business objectives, and supports continuous improvement across development teams.

Business Process Testing

We perform business process testing to ensure end-to-end workflows function as intended. Our QA specialists verify integration across enterprise software environments, enabling organizations to minimize risks, improve efficiency, and deliver software quality that supports innovation and growth.

With QSS, no more scanning through 100s of profiles.

When you hire functional testers from us, you get access to a team of seasoned QA professionals who excel in delivering high-quality testing solutions. Selecting the right functional testers for your project ensures your technical needs and business objectives are met. Here’s why our testers stand out:

30+ Functional Testing Experts

A diverse pool of certified QA engineers ready to onboard.

Hire in 48 Hours

Get top-tier testers deployed in just 2 days.

5+ Years of Functional Testing Expertise

Seasoned testers with deep domain and technical know-how.

Works in Your Local Time Zone

Seamless collaboration with testers aligned to your time.

40% Cost Savings

Save big on QA without compromising quality.

Easy Cancellation & Replacement

No-risk hiring with flexible engagement options.

Post-hiring Support

Ongoing assistance to ensure smooth project execution.

Competitive Pricing

High-quality QA talent at cost-effective rates.

Functional Testing Methodology

Delivering flawless user experiences requires more than just testing—it demands a structured, risk-driven, and detail-oriented approach. At QSS, our functional testing services combine manual testing, automated testing, and proven testing methodologies to ensure your applications meet both business and technical expectations. From unit testing to end-to-end testing, our QA testers use advanced tools, structured test scripts, and precise test design to guarantee seamless functionality, performance, and quality assurance.

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Requirements Assessment Framework (RAF)

Our QA experts employ a Requirements Assessment Framework to analyze input data, business risks, and technical dependencies early in the software development lifecycle. This helps identify ambiguities and prevents defects from reaching later stages, saving time and cost.

Test Requirements Traceability Matrix (TRTM)

We create a detailed Traceability Matrix that ensures every business requirement maps back to a test case. This approach enhances visibility, supports effective test design, and guarantees no requirement is overlooked during the functional testing process.

Black Box Testing with Proven Techniques

Our QA team performs in-depth functional testing using black box methods like Boundary Value Analysis, Equivalent Partitioning, and Paired Testing. These techniques help identify issues in critical areas of web applications and improve overall user experience.

Comprehensive Test Metrics

We provide complete transparency with test metrics that cover unit testing results, defect trends, process quality, and productivity. This data-driven approach enables engineering leaders and test managers to make informed decisions and ensures continuous improvement of the QA testing process.

Regular Test Reporting

Daily, weekly, and monthly status reports are shared with stakeholders, containing in-depth analysis of test execution, defect logs, and performance testing updates. These reports leverage dashboards and advanced tools, providing actionable insights to optimize testing methodologies.

Regression Testing Suite

Our QA testers maintain an automated regression suite to validate existing functionalities after updates or bug fixes. With automation tools and test scripts, we ensure that new code does not disrupt core workflows, maintaining stability and consistency of your software.

Functional Test Automation Framework

Our functional testing services are designed to help businesses accelerate release cycles, improve product quality, and enhance user experience by combining automation with proven testing methodologies. At QSS, our QA experts leverage advanced tools and frameworks to ensure seamless defect detection, faster test execution, and measurable outcomes. Whether you want to hire QA testers or need complete automation support, our framework guarantees precision, transparency, and efficiency in every testing process.

Analytics-Driven Regression Testing

Our QA team adopts an analytics-driven regression test approach that balances manual testing with automation. By applying a cost-benefit regression model, we ensure the right test cases are selected, minimizing time while maximizing fault detection for high-quality software development.

Advanced Automation Tools

We perform functional testing and non functional testing using leading automation tools such as Rational Suite, Micro Focus LoadRunner, and OpenSTA. These tools help us design accurate test scripts, simulate real-world input data, and deliver comprehensive test results for robust software testing.

Custom Dashboards & Reporting Models

Our QA testers build interactive dashboards that highlight test design, coverage, and execution status. With clear reporting models, engineering leaders and test managers gain complete visibility of progress, enabling data-backed decisions to improve the overall quality assurance process.

Proven Expertise & QA Team Experience

With 14+ years of delivering successful testing services for 300+ clients, our QA engineers bring unmatched technical skills to every project. From end-to-end testing to meticulous manual testing, our QA experts ensure every release cycle is backed by deep domain knowledge and reliability.

Go/No-Go Release Recommendations

Our test managers provide detailed test results summaries along with actionable QA recommendations. Leveraging test methodologies and execution reports, we identify issues early and help business stakeholders decide whether to proceed or optimize before product launch.

Types of Functional Testing Our QA Engineers Offer

Functional testing is a critical aspect of software development, ensuring that every feature of your application works exactly as intended. At QSS Technosoft, our QA testers combine manual testing and automated testing approaches to deliver reliable, end-to-end functional testing services. By leveraging proven testing methodologies and the expertise of our skilled QA engineers, we guarantee that your product not only meets technical specifications but also provides an exceptional user experience.