Best Quality Assurance Companies in United States
List of the Top United States Quality Assurance Firms

Our team developed The Everyday Retail Blueprint to configure and customize the tools needed to improve the customer experience, streamline the supply chain, and report across the organization. This proven methodology helps retailers keep critical data, assets, and people connected and in sync everyday.
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$5,000 +
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50 - 249
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$200 - $300 / hr
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US, Seattle
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We are Digital Acceleration Experts. We are a company Powered by Technology and Driven by Talent.
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$50,000 +
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1,000 - 9,999
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$50 - $99 / hr
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US, San Francisco
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We are a highly diverse and world-renowned team known for delivering value through forward thinking and results-oriented leadership. Our expertise in Web development spans 20+ years and our mobile app development expertise extends back to the time when the first 500 apps launched in the App Store in July 2008. If we can’t get your job done, no one can.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Newport Beach
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When your company decides that it wants a particular software product to exist in the world, it’s important to think of the whole picture. For this kind of initiative, you’re going to want a partner - not an order taker.
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$5,000 +
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2 - 9
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$150 - $199 / hr
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US, Atlanta
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$10,000 +
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50 - 249
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$150 - $199 / hr
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US, New York City
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At our core we love working with Fortune 500's, Startups and Non-profits in creating amazing digital experiences from conception to deployment.
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$10,000 +
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10 - 49
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< $25 / hr
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US, Portland
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Our team of professionals is passionate about helping Entrepreneurs solve world class problems. We strive to minimize technology related pitfalls so that you can focus on what matter the most, developing and growing your business.
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$25,000 +
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2 - 9
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$100 - $149 / hr
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US, New York City
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We are Brightlab, an international team dealing with the design and development of any complexity: from writing scripts that automate routine tasks to designing and implementing cloud servers.
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$5,000 +
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50 - 249
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$25 - $49 / hr
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US, Chicago
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We predominately specialize in Microsoft-based projects and network infrastructures of all sizes. We have many years of experience in ASP.Net, Azure, WinForms, WebForms, MVC, Core, WPF, SQL Server, BizTalk, Cognitive Services, IBM Watson, SalesForce, and more! We also specialize in more client-side technologies than you can shake a stick at.
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$1,000 +
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2 - 9
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$50 - $99 / hr
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US, Chicago
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We design, architect and develop elegant software products. The products we design offer compelling user experiences and beautiful visual designs. We use modern technologies like iOS, Android, Ruby on Rails (RoR), Golang (Go), Scala, Node.js and AngularJS to build robust mobile and responsive web products.
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$25,000 +
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50 - 249
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$25 - $49 / hr
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US, Fremont
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Headquartered in Minneapolis, Minnesota along with development centers in Belarus, Bulgaria,, Moldova Lithuania, Poland, Romania and Ukraine. Named fastest-growing company in America, Inc. magazine.
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$250,000 +
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1,000 - 9,999
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$50 - $99 / hr
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US, Minneapolis
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CIS Established in 2003, Cyber InfraStructure INC. or CIS is a leading IT and consulting company in Central India. Since 2003, CIS has been providing highly optimized technology solutions and services for SMEs and large scale enterprises across the world. CIS has worked with 2100+ clients in more than 100 countries. Their expertise and experience ranges across a wide range of industry domains like education, finance, travel and hospitality, retail and e-commerce, manufacturing, gaming, media and entertainment, logistics, hi-tech, telecommunication, health care, and many more.
Cyber Infrastructure INC which is an IT services provider such as custom application development, mobile application development, creative web design, Microsoft solutions, SAP solutions, open-source development, Java development, Oracle development, big data solutions, digital experience solutions, CAD/CAM architectural services, testing automation, infrastructure automation and cloud, digital marketing, ITeS, etc
CIS offers comprehensive IT services such as custom application development, mobile application development, creative web design, Microsoft solutions, SAP solutions, open source development, Java development, Oracle development, big data solutions, digital experience solutions, CAD/CAM architectural services, testing automation, infrastructure automation and cloud, digital marketing, ITeS, etc.
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$25,000 +
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250 - 999
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$25 - $49 / hr
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US, San Jose
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Def Method provides tailored resources for your unique project. With experts in engineering, product management and design, we are positioned to support our clients through all aspects of software development.
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$25,000 +
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10 - 49
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$150 - $199 / hr
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US, New York City
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We’re DePalma Studios, the boutique product design, and development company based in Nashville, Tennessee. Digital product design is our passion, and helping companies build applications people love is what we do.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Nashville
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We'd love to talk to you and see how we can maximize your budget and transform your tech! Browse our projects below, check out our website, and contact our team. We can get your project up and running in no time.
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$50,000 +
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50 - 249
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$100 - $149 / hr
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US, Denver
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We engineer Mobile Apps, Web Systems, and Embedded Systems; and do User Experience Design and User Interface Design.
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$5,000 +
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10 - 49
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$100 - $149 / hr
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US, Irvine
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As entrepreneurs, we know how hard it is to build a successful business because we’ve been through it ourselves. Now, we get to leverage our experience to help others succeed.
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$75,000 +
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250 - 999
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$50 - $99 / hr
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US, Charlotte
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American Entrepreneurship + Ukrainian Engineering = Great Software.
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$25,000 +
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50 - 249
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$25 - $49 / hr
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US, San Francisco
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Since 2008, we have helped clients across the U.S. achieve breakthrough results by providing thoughtful and creative solutions. But our mission is bigger than the innovative products we design and develop. We’re just as proud (possibly more so) of the remarkable experience we create for our clients.
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$25,000 +
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50 - 249
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$150 - $199 / hr
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US, Austin
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Our advisors and engineers help you solve your business challenges with sustainable and proven technology solutions. We are the trusted resource for valuable advice from the veterans of the tech industry.
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$1,000 +
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50 - 249
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$25 - $49 / hr
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US, Cary
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At Icalia Labs we transform businesses with powerful and adaptable digital solutions that satisfy the needs of today and unlock the opportunities of tomorrow. With a customer-centric design and an engineering culture introduced to every product they construct, the firm guides its clients through an agile framework to acquire new digital capabilities and fortify their innovation-to-market mindset.
Icalia is a custom software development company with years of proven experience. We bring together deep industry expertise and the latest IT to deliver solutions that thrive in the digital transformation age. Icalia Labs is ready to tackle projects from any industry. We have helpedfinancial services, healthcare, education, real estate industry clients’ among others, leverage their digital transformation journeys into projects with boundless growth value. For these industries, our services represent the possibility of profiting form immense opportunities, through our experience and vision. Through our 3 main services we can take your company to the future
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$10,000 +
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10 - 49
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$50 - $99 / hr
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US, Austin
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, Columbia
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Us being great at product craftsmanship, we're able to avoid surprises and focus on the quality of the software that we deliver. We take challenges out of the way no matter where you are in the journey of validating your idea or scaling your product portfolio.
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$5,000 +
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10 - 49
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$25 - $49 / hr
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US, Irvine
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We pride ourselves on hiring creative & software entrepreneurs who are naturally passionate about building products. With our collective experience in building technology-enabled products, you can feel confident knowing we have the talent and expertise to get the job done right, the first time. Our goal is to be your technology partner, as committed to successful outcomes as you are.
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$5,000 +
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10 - 49
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$50 - $99 / hr
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US, Austin
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Zivtech, founded in 2008, is a Philadelphia web design and web development shop. We love open source because it helps us do amazing things for our clients and gives them the freedom to innovate and grow. Zivtech works with healthcare, pharmaceuticals, education, publishing, government, startups, and non-profits. Zivtech also partners with other industry leading design and development firms to deliver reliable websites and web applications to organizations worldwide. The Hebrew term “ziv” translates to the light that comes from a candle: radiance, beauty, and seeing something new.
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$25,000 +
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10 - 49
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$50 - $99 / hr
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US, Brooklyn
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Having a background in mining industry, KAI Software has been working 20 years with large corporations automating their working process. Right now we are bringing this experience to our client's projects, which includes b2b and b2b2c software development.
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$50,000 +
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50 - 249
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$100 - $149 / hr
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US, New York City
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We are constantly building connections based on customer demand. Contact us to request a new connection. We frequently work with developers and software providers to build new connections. If your application isn’t listed we can build a connection to most APIs in 10-30 days.
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$5,000 +
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2 - 9
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$100 - $149 / hr
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US, Portland
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$100,000 +
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50 - 249
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$150 - $199 / hr
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US, Wilmington
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We provide simple to complex solutions for companies from various industries such as Banking & Financial Services, Healthcare, Insurance, Travel & Hospitality, Market Research, Retail & ECommerce, Transportation, Manufacturing & Logistics, International Organisations, Energy, and High Tech.
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$25,000 +
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50 - 249
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$25 - $49 / hr
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US, Alexandria
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LaunchPad Lab is a Chicago-based software development agency that partners with businesses to transform their digital technology.
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$50,000 +
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10 - 49
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$150 - $199 / hr
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US, Chicago
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We use AWS or Microsoft Azure to manage server-side infrastructure. We have extensive experience building and maintaining traditional hosted infrastructures to vend both RESTful services and web applications on AWS using EC2 (Linux, JBoss, Tapestry), RDS (MySQL, PostgreSQL), and S3.
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$50,000 +
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10 - 49
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$100 - $149 / hr
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US, Alexandria
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Our clients are repeat customers, a true testament of our dedication to deliver only the best, with no exceptions.
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$50,000 +
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10 - 49
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$100 - $149 / hr
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US, Ashburn
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We design, build, and manage mobile applications natively on both iOS & Android; as well as provide cross-platform solutions using React.
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$10,000 +
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10 - 49
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$100 - $149 / hr
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US, Alexandria
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Nous is a global software services provider with a presence in 5 continents.
Nous Infosystems is a global product engineering and IT service US-based company. Nous has been delivering technology outsourcing solutions to customers for more than two decades. Nous has achieved the CMMi Level 5 SVC + SSD v1.3 certifications.
Nous offers enterprise application development, maintenance, integration, and legacy app modernization services, product engineering, independent testing, and remote infrastructure management services with deep expertise in competencies in digital (inclusive of digital transformation, digital experience, digital integration services, UX/UI, enterprise mobility consulting, enterprise portals, DevOps, and RPA), cloud computing (inclusive of Azure, AWS, and Salesforce), data analytics and business intelligence solutions (inclusive of data visualization with power bi, data integration and migration, data platform modernization, advanced analytics), software testing (Functional Testing, Test Automation, Performance Testing, Security Testing, and more), IT infrastructure management services (Managed Services, Cloud Automation, ServiceNow implementation, Predictive Monitoring, and more), Microsoft technologies, open source consulting, and agile development services across various industry verticals such as banking and financial services, insurance, healthcare, and retail.
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$5,000 +
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1,000 - 9,999
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$200 - $300 / hr
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US, Pleasanton
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$10,000 +
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50 - 249
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$25 - $49 / hr
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US, Los Angeles
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At PixelPlex, we custom-build competitive solutions for specific needs of our clients to help overcome challenges and grow bottom lines.
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$25,000 +
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50 - 249
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$50 - $99 / hr
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US, New York City
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We’re always on the forefront of discovering new technology and how it can be applied to businesses. We make sure that you will always stay ahead of the curve to transform you into industry leaders
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$100,000 +
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10 - 49
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$150 - $199 / hr
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US, Austin
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Punchkick’s specialized team of industry experts is focused on delivering world-class mobile and digital products on time and on budget.
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$5,000 +
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10 - 49
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$150 - $199 / hr
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US, Chicago
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QualiLogic is a Mobile App Development Company in Los Angeles, firm with an immense focus on adding value to your growth story with the help of our amazing team-members who can bring your innovative ideas to life using user centric design, solid coding practices, and engaging user experiences within the applications.
QualiLogic is a Mobile App Development Company in Los Angeles with a team of award-winning App Developers who are experts in Web Design, Website Development.
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$1,000 +
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10 - 49
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$25 - $49 / hr
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US, Los Angeles
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