Functional Testing Services

Functional Testing Services

Lightpoint QA team offers functional testing services to guarantee your software solution meets technical and business requirements. Our QA engineers test software features, user interfaces, and system interactions to discover defects or deviations from desired behavior. Consequently, we confirm that the software functions as planned and offers a great experience to versatile groups of users.

Types of Functional Software Testing We Perform

We offer comprehensive QA services thorough coverage, different testing levels and functional aspects, and a flexible approach that can adjust to evolving project needs and requirements. Our goal is to provide dependable, top-notch software that aligns with business goals and user needs. Here are the different types of QA testing we usually perform, depending on software layers, testing tasks, access to code, and use of automation tools.

Manual testing

Our QA specialists perform tests without relying on automated tools. They manually confirm software functionality, detect defects, and verify the application meets specified requirements

Our team uses tools and scripts to automate the execution of test cases, comparing actual and expected results to enhance test efficiency, repeatability, and coverage, especially in scenarios involving repetitive and large-scale testing.

Integration Testing

We evaluate the interaction between various components, modules, or systems during integration.

API Testing

We evaluate the interaction between various components, modules, or systems during integration.

Database testing

We test the functionality, performance, and reliability of a database by checking data integrity, validating queries, and ensuring correct data retrieval and storage.

We assess the user interface and user experience of the product by considering design elements, usability, and user satisfaction to guarantee a seamless, user-friendly, pleasurable interaction.

Black-box testing

We the performance of a software without taking into account its internal coding or algorithms. Our QA engineers concentrate on the inputs and outputs to guarantee that the system fulfills the specified criteria.

White-box testing

We examine the internal structure and logic of a software application. Our QA specialists assess code paths, conditions, and branches for thorough coverage.

Gray-box testing

We combine elements of both white-box and black-box testing, leveraging partial knowledge of the internal code and assessing the application's functionality, focusing on user perspectives and system interactions.

Functional Testing as a Service Benefits

Our quality assurance team identifies flaws in the early stages, which leads to decrease in expenses after release and avoidance of system downtime, while also confirming adherence to the project’s initial specifications. These benefits help in achieving successful project delivery in the market. Learn more about the advantages of using our functional testing services.

Brand Reputation

We guarantee that your software functions as expected, providing users with a seamless and positive experience to encourage customer loyalty and incentify positive word-of-mouth recommendations.

Downtime prevention

We fix issues that could lead to service disruptions, minimize potential losses in productivity, revenue, and customer satisfaction due to downtime.

Cost Savings

We identify and address defects at the early stages to reduce the overall cost of development and post-release support.


We help you achieve compliance with industry-specific standards and regulations, reducing the risk of associated legal and financial consequences.

Who we do it for

While providing our functional testing services we help businesses across various niches ensure that their software functions correctly and provides accurate, expected outcomes.


Functional testing services we provide to publishing businesses involves validating the functionality of digital publishing platforms, web content purchase systems, content creation and delivery systems to ensure features accuracy, accessibility, and seamless user experiences.
For healthcare providers, we perform functional software testing of EMR/EHR systems, telemedicine platforms, healthcare portals, and other health-related systems to ensure the adherence to functional and business requirements, seamless operation, and correct workflows.
For fintech companies, our QA team performs functional testing of payment systems, payment gateways, loan and mortgage systems, personal finance apps, and other finances-related solutions to deliver smoothly functioning internal logic, external interfaces, and 3d-party integrations.
For Martech companies we delve into features such as campaign automation, analytics accuracy, audience targeting, data integration, A/B testing, and other to ensure that the software functions correctly and delivers accurate marketing insights.

Our portfolio

In our portfolio you can find a diverse range of vertical-specific, full cycle software development projects that meet unique business requirements and drive digital transformation as well as boast first-class software quality.
Electronic Payment System for Global Fintech Market
Website Visitor Identification Software for a Marketing and Sales Automation Corporation
Medical System Software: Automating record-keeping in medical research
Access Control System for mobile devices

How We Work

As a full cycle software development company, we synchronize our development approach with our clients’ business goals and project nuances to deliver the right solution in the right time. Explore our engagement models, and choose which one works best.

Tech stack

We utilize a robust combination of tools that ensure end-to-end software validation. It includes test automation frameworks, test management tools, and continuous integration platforms.

Report portal
Dev console
Rest Assured
SQL Studio

The Lightpoint difference

We are committed to deliver high-quality, reliable software products, enhance user satisfaction and reduce the overall project development and maintenance costs.


We employ experienced QA professionals who specialize in the latest testing methodologies and tools. Their specialized knowledge contributes to accurate defect detection and optimized test coverage, resulting in a high-quality product.

Cost Efficiency

By outsourcing functional testing to the Lightpoint team businesses can avoid the need to invest in expensive testing infrastructure, tools, and continuous training for in-house teams. It helps businesses allocate resources more strategically and focus on core activities, such as development and innovation.

Impartial Evaluation

As an independent QA testing provider, we offer an impartial and unbiased assessment of your software solution. Our evaluation is not influenced by internal biases, making it more likely to uncover critical defects and vulnerabilities.

Get in touch

Leave us a message to get an assessment of your case, outline preliminary test plan, and get your questions answered.

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