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On-Demand Quality Assurance of Software and UAT Tester for Optimized Development

Prime your software for a successful product launch and operational longevity with an experienced on-demand UAT tester and QA team at your side. Our software quality assurance services offer end-to-end software testing and UAT testing, delivered with the latest methodologies and UAT tester tools to ensure optimized software development life cycles and market-leading performance. 

software quality assurance service & UAT tester

From Apps to Enterprise Software, Our QA and UAT tester experts offer Integrated Solutions for Your QA Testing Needs

We provide a full range of on-demand software quality assurance services to accommodate business process and management, mobile app and web app testing, API testing, frontend automation testing, backend integration, and software portability needs. Our UAT tester and QA team utilize a wide array of device types, including mobile phones, tablets, laptops, enterprise systems, and AI analytics platforms, to achieve maximum product quality.

SJ Innovation is a New York-based software quality assurance services team with 18 years of industry success and hundreds of launched applications and systems. Our Certified QA engineers and UAT tester experts collaborate with your team on an integrated level for functional testing, performance testing, test automation, and UAT services available within 36 hours of contract approval. Our unwavering commitment to flexible and transparent software testing and QA services has made us one of the most reliable UAT tester and QA teams in New York with best-in-class software quality assurance services from test plans to post-production support.

Our Capabilities

Performance Testing with Jmeter

We rely on the expertise of our UAT tester to perform optimally thorough user acceptance testing using Apache JMeter, an advanced tool designed to identify user limitations of both static and dynamic environments through interactive graphical analyses of performance reports. We offer software testing and QA services that include maintaining web application performance through comprehensive load and stress testing. Our diverse technical knowledge and experience in software quality assurance services empower us to address your challenges and assess solution quality in real-time.


Frontend Automation with Selenium

Our team of experts, including UAT testers are professionals in software testing and QA services. Be sure of optimal value as through our QA testing services, we guarantee exceptional product quality, resulting in maximized value for you. We design and execute custom testing scenarios with Selenium, an industry-leading web browser testing tool that supports all major operating systems and programming languages. With its support, we customize automation commands and a range of integrated plugins and extensions to ensure we offer the best software quality assurance services.

Front-end Automation with Cypress

We put together a software testing strategy built on transparency and trust, one that will expand your business and broaden your reach! We streamline frontend automation expertise with the Cypress testing framework, a highly versatile testing framework featuring readily usable dependencies, libraries, and debugging tools integrated directly with browser development platforms. With fast test execution and automated wait times for DOM, loading, animation, and more. Additional benefits of Cypress include time travel commands, automated test suite videos, and industry-leading reliability. We ensure the seamless functionality of your software and maintain high standards for software quality assurance services.

API Testing with Postman

Our API testing process is designed to be time and cost-effective while ensuring the quality of your software. We use Postman,  an intuitive and user-friendly platform that supports both manual and automated testing. As a UAT Tester, we use its preloaded code snippets and multi-environment testing capabilities, cloud storage of live documentation and collections, and integrated command line tools for building systems with compatibility for all platforms and OSs.

Quality Assurance and UAT

Our User Acceptance Testing (UAT) and software quality assurance services help facilitate development life cycles and market entry thanks to reduced ongoing maintenance costs, real-time issue repairs, increased software usability, and security for a product release in alignment with end-user vision and satisfaction. We tailor a testing strategy to align with your specific goals. We help with test execution, pinpoint trouble spots, and devise solutions to tackle these issues. Our adept QA professionals specialize in detecting issues and efficiency bottlenecks, using state-of-the-art technology and top-tier engineering skills to eliminate them.

For whom are the software quality assurance services intended?


Businesses seeking cost-effective, experienced & reliable third-party UAT tester and software quality assurance services


Wanting to incorporate UAT tester processes and enhance their testing capabilities and software quality assurance services to streamline product releases.

Consulting and Outsourcing

Seeking versatile integration of testing technology can incorporate UAT tester and software quality assurance services.

Real-Time Testing Support

With UAT tester and software quality assurance services, for anyone who can benefit during peak hours and loads.

Startup Companies

Seeking exceptional UAT tester and software quality assurance services for product quality to ensure successful market entry and brand management.






Project Worked

Why Us


Culture Based Company with Employee Happiness at its Heart

We’ve been in the business long enough to know that employee happiness means collaboration, focus, and benefits that transfer directly to the customer. As a provider of software quality assurance services, we strive to deliver UAT tester and quality testing services that meet the highest standards


Extensive Hours of Support Through New York Based Project Team

Our New York-based Project Management team offers 18 hours a day of on-demand assistance. We adapt to your immediate needs, no matter the size or scope of your project. Specializing in providing comprehensive software quality assurance services, our team includes UAT tester experts and quality professionals who work diligently to identify any issues before the product is released to the market.


Excellent Communication Skills

Our UAT tester experts specialize in detecting and resolving issues that arise during the user acceptance testing phase. Our software quality assurance services ensure that our client's products meet the highest performance standards. We work hard to establish fluid communication between teams and achieve integrated development from test planning and execution to the final product to ensure these processes proceed flawlessly!


Proven QA Team

Our globally renowned and trusted UAT tester and QA team have a wealth of experience in delivering transparent software quality assurance services. With over 18 years of experience in software quality assurance services, our team is at the forefront of software testing capability, always staying up-to-date with the latest UAT tester and QA trends and technologies


Structured Analysis and Report

We adhere to strict standards in our software quality assurance services and follow a structured approach, so all testing stages are based on a detailed analysis covering all areas of the software. We also utilize Stack Overflow to stay up-to-date on the latest industry developments and best practices. Get a detailed report and maintain constant communication with the UAT tester and the team to keep abreast of all changes in your software product.


Trusted and Experienced UAT tester and Software Testing Team

We have 18 years of experience, are globally renowned, and trusted. Our UAT tester and QA experts follow a transparent, well-established communication process for our software quality assurance services—from execution to the final product.

Technology We Use

Who We've Worked With

Tour Patron
Johnson & Johnson
Teachers Pay Teachers

Our Client Testimonials

QA & UI/UX Testing for Chemical Cleaning Supplies Firm

Application Testing

Project Summary
SJ Innovation LLC provides QA services for a chemical cleaning company. Their work includes ensuring all code quality is up to par and doesn’t harm the site.
Feedback Summary
SJ Innovation LLC’s work meets all expectations. The team is efficient, hardworking, and delivers exceptional QA. Customers can expect a well-priced service from a team of seasoned professionals.

They’re communicative and attentive to what needs to be done.

Andrew Perez, E-Commerce Manager, Chemical Guys
Andrew Perez
E-Commerce Manager, Chemical Guys

Explore Our QA Blogs

Why Is Software Testing and QA Important for Any Business?

Why Is Software Testing and QA Important for Any Business?

May 17, 2021
Do's and Don'ts of Automation Testing

Do's and Don'ts of Automation Testing

Vaibhav Nagvekar
August 17, 2022
Why is Email template testing important?

Why is Email template testing important?

Jasim Uddin
August 11, 2022


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