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Manual Software Testing Services

We thoroughly validate your application through real-world scenario testing to ensure it’s bug-free and user-ready.

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Why Manual Testing Is Our Strategic Advantage

Manual testing brings the irreplaceable insight of human intuition to your quality‐assurance process. While automated scripts excel at repetitive, high-volume checks, they can overlook subtle usability issues, visual inconsistencies, or unexpected user behaviors. Our JazzTeam QA engineers leverage curiosity, creativity, and critical thinking to uncover edge-case scenarios, validate real-world workflows, and ensure that every feature feels intuitive and reliable to your end users.

Critical Business Risks of Poor Manual QA Practices:

  • Product instability. Undetected bugs can cause critical failures in production, damaging reputation and user trust.

  • Financial losses. Poor testing leads to costly post-release fixes, SLA violations, and customer churn.

  • Delayed releases. Inefficient test management disrupts timelines, increasing time-to-market.

  • Compliance and security risks. Inadequate testing can result in regulatory non-compliance and data breaches.

  • Misaligned priorities. Lack of structured QA makes defect resolution reactive rather than proactive.

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JazzTeam: Solving Your Manual Testing Challenges

JazzTeam provides a comprehensive manual testing service, leveraging advanced testing techniques like regression, integration, and load testing, with tools such as Postman, JMeter, and OWASP ZAP. Our engineers develop customized plans, apply thorough test designs, and integrate manual testing into your CI/CD pipeline, ensuring maximum efficiency and product quality.

Discuss Your Testing Needs

Manual Testing Services We Offer

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Software Manual Testing

We offer comprehensive manual testing services for your software, ensuring its functionality and quality.

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Test Management Process Setup

We help establish a robust test management process, including setting up specialized tools like TestLink, TestRail, and Jira.

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Testing Process Audit

We conduct thorough audits of your existing testing process, identifying areas for improvement and optimization.

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Manual Testing Consulting

We provide expert consulting on all aspects of manual testing organization, ensuring best practices and efficient workflows.

Types of Manual Testing We Do

Smoke Testing
Smoke Testing

Used to check the correct operation of the product’s main functionality (especially important when new product features are added)

Regression Testing
Regression Testing

Aimed at detecting bugs in already tested parts of the source code after implementing changes

Integration Testing
Integration Testing

Allows us to check the connection between parts of the application or between the developed software and third-party systems

Load Testing
Load Testing

Designed to determine software performance and time of response to an external request

Functional Testing
Functional Testing

Carried out to verify that the functional requirements for the product are met

Non-functional Testing
Non-functional Testing

Used to check the correct operation of non-functional requirements (user interface, usability, compatibility, reliability)

Acceptance Testing
Acceptance Testing

Used to verify the actual compliance of software operation with the acceptance criteria and shows whether the product has reached the required quality level

Compatibility Testing
Compatibility Testing

Compatibility testing ensures the software functions correctly across multiple environments, using virtual machine snapshots for quick configuration switching

Not sure what kind of testing your product needs? Talk to our experts — we’ll help you find the best solution. Talk to a QA Specialist

Manual Testing Process at JazzTeam

01Project Feature and Specification Study
We thoroughly analyze the project features and specifications to understand the requirements.
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02Domain Area
Immersion
Understanding of the product's context.
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03Testing Type Determination and Tool Selection
We determine the necessary types of testing and select the appropriate tools for each stage.
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04Test Design and
Practice Selection
We design tests, selecting suitable practices and techniques to ensure comprehensive coverage.
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05Test Case and Checklist Preparation
We prepare detailed test cases and checklists to guide the testing process.
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06Test Plan Creation
We create a comprehensive test plan outlining the scope, objectives, and methodology of the testing process.
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07Active Participation in Iteration Planning
We actively participate in iteration planning, making decisions on product releases, process optimization, and retrospectives.
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08Software Quality Checking
We meticulously check the software's quality, searching for defects and analyzing the results obtained during testing.
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09Bug Tracking and Reporting
We document detected bugs in the bug tracking system, assign developers for bug fixing, and prepare comprehensive reports.
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Experience in comprehensive testing of complex systems

Our company has been providing manual testing services for more than 13 years. We have accumulated strong expertise in this area and gained experience in the successful stabilization of various products.

In particular, we have conducted manual testing of the following types of software:

  • Applications in the area of the Internet of Things (IoT) and telecommunications, the quality assurance of which requires knowledge of network protocols and standards

  • Non-trivial web applications

  • Integration systems without the UI part

  • The most sophisticated desktop applications for project management

  • Knowledge-intensive systems, the testing of which requires serious immersion into the subject area

Regardless of the product complexity, we always do our best to get a deep understanding of the domain area and the features of the system. This approach is the basis of our professional and effective service.

About us

Benefits of Partnering with Us

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our valueExpertise in Building Remote QA Teams

We specialize in building manual testing teams from scratch, with deep expertise in fully distributed and remote QA functions. Our approach is shaped by the collective experience of numerous projects, ensuring that every challenge is met with proven strategies and industry best practices.

By working with us, you gain access to a wealth of insights and a broad spectrum of testing challenges we’ve successfully tackled across various domains.

our valueFlexible Team Scaling for Your Project Growth

Our Approach to Scaling with Precision:

  • Strategic Planning for Growth: Our Test Manager proactively assesses scaling needs

  • Seamless Talent Integration: Structured onboarding for fast ramp-up

  • Internal Talent Pool: In-house QA engineers ready to join immediately

  • Bench Readiness: Pre-vetted engineers can start on short notice

  • Cross-Project Support: With client consent, we reallocate resources to balance loads

  • Proactive Recruitment: Ongoing pipeline of vetted Manual QA Engineers

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our valueSeamless Onboarding with Minimal Involvement from Your Side

Our process ensures your Manual QA team starts quickly, integrates smoothly, and adds value immediately.

  • Only 1 Senior QA + Test Manager to start

  • Immediate NDA start

  • Parallel contract setup

  • Quick stakeholder syncs

  • Structured Newcomers Pack

  • Reference projects for 4–5x faster onboarding

  • Risk-Free Trial: 10 days — no payment if you're not satisfied

our valueProactive Test Management & Engineering-Level QA Mindset

JazzTeam’s Test Managers ensure quality from day one — combining manual and automated testing, reporting, and integration into CI/CD.

  • Formal test plans, clear strategies, automated metrics

  • Tools: TestLink, TestRail, Jira

  • Manual + automated testing embedded in CI/CD

  • QA engineers with tech backgrounds (DBs, scripts, security, protocols)

  • Automation-driven mindset (Playwright, Cypress, Selenium, etc.)

  • CI/CD tooling expertise (IaC, networking, scripting)

Interesting cases on Manual Testing

Manual testing of a complex product in the area of the Internet of Things (IoT)
Manual testing of a complex product in the area of the Internet of Things (IoT)
Establishing the process of manual testing in a scientific startup
Establishing the process of manual testing in a scientific startup
Audit of the manual testing process
Audit of the manual testing process
Creation of an effective system of immersion in a complex project by a manual tester
Creation of an effective system of immersion in a complex project by a manual tester

Clients about our Manual Testing Services

Bram Cool
We now are in a much better position and detect bugs before our customers find them. The test automation frees our testers to focus on other quality aspects and new functionality. As a result, we offer our customers an even higher level of quality and stability of service.
Bram Cool, CEO, Ezwim, a global leader in Telecom Management, the Netherlands
Friedrich Boeckh
JazzTeam participated in an innovative project I was supervising. A team showed a high professional level in a matter of architectural design, Agile processes, unit testing, and involvement in the project. You can trust JazzTeam’s engineers, rely on them, and can expect high quality provided by Java experts.
Friedrich Boeckh, Managing Director, Infopulse GmbH, Information Technology and Services, Germany
Peter Reitsma
I had the privilege of working with some of JazzTeam's software engineers, both from remote as well as in their office. I was impressed by their professionality and high standards of Java software development. They practice 100% Scrum, work with continuous integration and delivery and use all the right tools. I was particularly impressed by their work attitude, keen problem solving and, not in the least, by their great team spirit.
Peter Reitsma, CEO, Plance, Web Development and Concepts, Netherlands
Sergey Kastukevich
Sergey Kastukevich, Technical Lead, OCS Innovation Company (OCSICO), Software development company
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Our Manual Testing Toolkit

  • Bug tracking systems: Jira, Trac, Trello

  • Test management systems: TestLink, TestRail, Zephyr

  • Testing tools: Chrome development tools, Postman, SoapUI, OWASP ZAP

  • Load testing and automation tools: JMeter, XML2Selenium

  • Standards and protocols: JSON, XML, REST API

  • Languages: HTML, CSS, JS, SQL

  • Version control systems: SVN, Git

  • Reporting, analytics: Google Sheets

    Contact Us

    What happens next?
    • 1
      Leave your project request. We will contact you and schedule a call.
    • 2
      Signing of the NDA to ensure the project info confidentiality.
    • 3
      Negotiation of your request and the required services.
    • 4
      Team forming, coordination of workstages.
    • 5
      Contract signing and project start.
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