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Integration testing services

Gain confidence in your system integrations.

Improve system reliability with DeviQA’s 15 years of integration testing experience, identifying and resolving complex integration issues early in the development cycle.

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Our solutions for your functional testing challenges

Whatever your needs, we have the expertise and tools to deliver robust, reliable software integration testing services.

Complex system interactions

Challenge

Modern apps rely on 75%+ third-party APIs, increasing failure risks. 40% of downtime is due to integration issues.

Solution

We run end-to-end tests to ensure seamless communication across services, reducing failures.

Data inconsistencies

Challenge

30% of integration bugs are caused by data mismatches, leading to errors in billing, reporting, and user experiences.

Solution

We validate data accuracy across systems to ensure real-time consistency and fewer user complaints.

Third-party dependency failures

Challenge

43% of companies experience regular API outages, risking app performance.

Solution

We simulate service failures and build fallback mechanisms to keep your app running.

Fast release cycles

Challenge

Fast updates risk breaking integrations, causing delayed launches and higher bug rates.

Solution

Our automated testing reduces testing time by 50%, ensuring bug-free releases.

Security risks

Challenge

40% of data breaches are tied to API vulnerabilities.

Solution

We perform security integration testing to protect data and ensure compliance with GDPR and HIPAA.

Our software integration
testing services

With 15 years of experience, we ensure seamless integration across your system, identifying and fixing issues early for reliable performance.

Functional integration testing

We ensure your system’s modules and services work together seamlessly, providing a smooth user experience.

Data integration testing

We verify that data flows accurately between systems, ensuring reliable transactions and reporting.

Automated integration testing

We automate tests to speed up the process, minimize errors, and maintain stability with each update.

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Case studies

Partner with us:
see the difference

See all stories

Global healthcare giant

Web app testing
Test automation
API testing
Dedicated QA team
  • 90%

    Test coverage

  • 1.6k+

    Test cases created

  • X18

    Faster regression testing run

Read customer story

The first modern real estate platform

Web app testing
Test automation
E2E testing
Load testing
Mobile testing
+2
  • 85%

    Test coverage

  • 2k+

    Test cases created

  • 2.5x

    Faster regression testing run

Read customer story

Dental practice platform

Web app testing
API testing
Dedicated QA team
Mobile testing
+2
  • 95%

    Test coverage

  • 5k+

    Test cases created

  • 3k+

    Number of critical bugs logged

Read customer story

Solution for managing payments

Web app testing
Dedicated QA team
DB testing
API testing
Performance testing
  • 12

    Years of cooperation

  • 100%

    Covered performance

  • 2x

    Faster regression testing time

Read customer story

Booking system for tours and attractions

Web app testing
Test automation
Mobile testing
DB testing
Dedicated QA team
  • 90%

    Test coverage

  • 3.2k+

    Automation test scripts created

  • 1-2h

    Time of regression

Read customer story

Experience the DeviQA difference

From initial consultation to full-scale QA implementation, we deliver results

DeviQA’s AI advantage

At DeviQA, we use AI to make testing smarter and simpler. Our ecosystem is built to deliver faster, smarter, and more cost-efficient results — so your team can do more in less time.

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AI-powered IDE assistant

Reduces test script writing time

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QA companion

Provides suggestions for test optimization and addresses gaps

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Automated code review

Flags unused variables, improper loops, and other common errors

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AI for API testing in Postman

Streamlines API test case creation and response validation

Features

Test case creation

Code review

Exploratory planning

Log analysis

without AI

6 hrs

3 hrs

2 hrs

2 hrs

with DeviQA AI

4 hrs (30% saved)

2 hrs (40% saved)

45 min (60% saved)

1 hr (50% saved)

Our integration testing
strategies

We use proven integration testing strategies to ensure your system integrates smoothly and performs reliably.

Big-bang integration testing

All components are integrated and tested at once, offering quick feedback on system-wide functionality.

Bottom-up integration testing

We test lower-level modules first and integrate them progressively, ensuring a stable foundation.

Top-down integration testing

Testing starts from high-level modules and moves down, ensuring user-facing features function correctly with backend systems.

Mixed integration testing

A blend of top-down and bottom-up approaches, providing comprehensive coverage of both high-level and foundational components.

Collaboration on your terms

Backed by 15+ years of expertise, DeviQA offers three flexible models for integration testing services to fit your project’s needs, timeline, and budget.

Staff augmentation

We add skilled professionals to your team as needed.

Advantages:

  • Quick access to top-tier talent

  • Immediate scalability to meet project demands

  • Focus on your core business activities while we handle the expertise

Best for:

Short-term projects or fluctuating needs.

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Dedicated QA team

A full team focused solely on your integration testing.

Advantages:

  • Full control over the team’s daily activities

  • High flexibility and scalability

  • Seamless integration with your internal processes

Best for:

Long-term projects needing ongoing support.

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Project-based outsourcing

We handle the entire integration testing project from start to finish.

Advantages:

  • End-to-end management by DeviQA

  • No need for internal resource allocation

  • Clear focus on delivering the final product with quality assurance

Best for:

One-time projects with clear deadlines.

Get started

Book a call to prevent costly integration failures

Why choose us for system integration testing services?

Over 600,000 project man-days successfully delivered.

We take full accountability for our work.

A range of value-added services at no extra cost.

Free test trial. Try us before making any payment.

Our engineers are senior QA professionals with strong autonomy and self-starting ability.

With a 96% retention rate, we offer stable teams, compared to the industry average of 80%.

Extensive testing lab with a wide range of environments, platforms, and devices.

Access to a technology community of over 1000 QA engineers and experts.

Our approach to integration testing services

As an integration testing services company, we ensure your solution meets the highest standards of performance, reliability, and security with our structured testing approach.

01

Requirement analysis & test planning

We start by understanding your project’s goals and technical specifications, creating a detailed test plan tailored to your needs.

02

Test design & strategy

Our experts design comprehensive test scenarios to cover all critical integration points, including APIs, data flows, and system interactions.

03

Environment setup

We configure a test environment that mirrors your production setup, ensuring accurate and reliable results.

04

Test execution

Our team executes the tests, verifying that system components interact correctly and data flows seamlessly between modules.

05

Issue identification & resolution

Any issues found are logged, prioritized, and resolved in collaboration with your team to ensure smooth integration.

06

Reporting & final evaluation

We provide a detailed report, highlighting test results, risks, and recommendations, ensuring your system is ready for production.

Book a call to uncover integration risks before they disrupt reliability and trust

Here’s what people are saying
about DeviQA

26 reviews

32 reviews

9 reviews

Review

It was so easy to integrate your people with us and we didn't have any problems.

Author

Janosch Greber

VP of engineering at RealTyme

DeviQA helped develop a cybersecurity software platform. Complex automated scenarios test REST APIs through a Faraday library. An SDK application works with Azure, Google Cloud, Docker, and LXC containers.

Yuval Or

Yuval Or

QA manager at Mimecast

Review

DeviQA has always brought us really high quality candidates for us to be able to seamlessly mesh into our team.

Author

Danny He

CEO and founder at Soapbox

DeviQA provides software QA automation engineering support to a QC and QA company. Their work includes sandbox testing, QA, testing automation, DevOps support, and TechOps support.

Alex Ohoussou

Alex Ohoussou

Head of QA & techOPs at QIMA

Review

You guys have always been genuine, flexible and personable.

Author

Ryan Austin

CEO and founder at Cognota

DeviQA has provided application testing services for an HR tech company. The team has managed feature, smoke, and regression automation tests and offered test reports.

Mia Bunjac

Mia Bunjac

QA chapter lead at Renhead Technology

Review

In fact, they have been a part of our success story, helping us grow from six workers 11 years ago to about 1200 workers now.

Author

Raanan Tauber

QA manager at Tipalti

DeviQA provides automatic testing with continuous integration for native and hybrid mobile apps.

Giurea Renato Gabriel P.F.A.

Giurea Renato Gabriel P.F.A.

CTO at Impaktsoft Projekt S.R.L.

Review

They can take my lack of knowledge and I can trust that they will be able to produce something of value.

Author

Ray Alde

Co-founder & cto at Arklign

DeviQA provides QA and testing resources on an ongoing basis. They evaluate architectures and offer both manual and automated testing. The client has also utilized their on-demand developers.

Review

To me, that's above and beyond, I did not expect that to be so smooth and so easy.

Author

Mark Levine

Chief product officer at CYDEF

DeviQA is a dedicated vendor that assists with manual and automated testing on an ongoing basis. They're also overseeing other development projects and supervising the testing portion of those.

Review

They know what they're doing because the people that they send to us are quality people.

Author

Charles Chase

Chief technology officer at Returnmates

DeviQA provided application testing services for an audio editing platform. The team was responsible for continuously testing the UI and functionality of the platform via an automated testing framework.

Review

There is also very good follow up on the engineers and the job they're doing.

Author

Olivier Mayot

Chief technology officer at SimpliField

DeviQA serves as the process improvement partner to a diabetes care and solutions company. They helped scale the client's automated testing and are now working on improving their manual testing framework.

Collaboration process overview

  • 01

    Initial contact. We start by understanding your testing needs and aligning them with your goals.

  • 02

    Assessment. Our experts analyze your current process and propose a tailored improvement plan.

  • 03

    PoC. Try a free proof of concept to see our capabilities in action.

  • 04

    Trial & evaluation. We conduct a trial phase and review the results together.

  • 05

    Contract & QA implementation. Once satisfied, we sign the contract and begin full-scale QA.

  • 06

    Flexible partnership. DeviQA offers scalable solutions to adapt to your business needs.

Ready to connect?

Just fill in your name and email, and we’ll get back to you with available slots

Questions & answers

Integration testing services validate that different software modules, systems, or third-party services work together as expected without errors or conflicts.
It helps detect issues at the data exchange or service communication level—ensuring your software works as a complete, interconnected system.
Yes. We test REST and SOAP APIs, payment gateways, authentication providers, and other third-party services to ensure secure and reliable integration.
We use Postman, REST Assured, SoapUI, JUnit, and custom CI/CD tools to automate and monitor integration testing workflows.
Integration testing focuses on interactions between modules or services, while system testing checks the behavior of the entire application as a whole.
Yes. We automate integration tests to run within your CI/CD pipeline, enabling fast feedback and early defect detection across services.
DeviQA brings 15+ years of QA expertise and robust frameworks to test integrations, reduce release risks, and ensure seamless cross-system communication.