Top 30 Google App Engine (GAE) Developers in Seattle

Founded in 2007, Theorem is a software development firm. The midsize team specializes in custom software development, ux/ui design, IoT development, IT strategy consulting, and more. The company is based in Los Angeles, California; Santa Monica, California; New York, New York and San Francisco, California.

ThirstySprout is an outsourced development company headquartered in Seattle with an additional office in San Franciso. Founded in 2017, they currently have about 18 employees. They provide IT staff augmentation as well as custom software and web development services to primarily midmarket agencies in IT, e-commerce, and business services.

A full-service digital design and development agency, Flower Press Creative Studio takes on mobile app, web, and custom software development projects. Founded in 2001, the small team of 6 is headquartered in Seattle and also has experience in UI/UX design.

Pwrteams is an IT company that was founded in 2007. Headquartered in Luxembourg, they have service centers in Poland, Ukraine, Bulgaria, Estonia, Lithuania, Serbia and Mexico. They are made up of 700+ employees and specialize in IT and engineering staff augmentation and building dedicated teams in Eastern Europe and Latin America. They also provide on-demand software testing, and Team as a Service for businesses of all sizes.

Zazz is a Seattle-based mobile app development company founded in 2011. They have an additional office in San Francisco. Their team of approximately 50 employees serves clients of all sizes and industries. In addition to app development, they also specialize in enterprise app modernization and UX/UI design.

Vinova is an app and game development service based in Singapore. Founded in 2010, the team of 35 employees specializes in mobile app development, web development, and custom software development. They work with small businesses, midmarket businesses, and enterprises, focusing on information technology and gaming.  

Mobcoder is a software development company based in Seattle. They also have an office in Noida, India. Founded in 2014, their team of 40 employees provides mobile app development, custom software, and web development services to its midmarket and small business clients. They also serve enterprise clients. 

Slashdev is a small software development company. The Winter Park, Florida-based company was established in 2021. Their services include custom software development, web development, mobile app development, wearable app development, and more.

Jelvix is a software development agency founded in 2011. Headquartered in Beersheba, Israel, they also have an office in Kharkiv, Ukraine. With a team of 62 employees, their services include IT staff augmentation, mobile app development, and web development. They primarily serve midmarket clients in the healthcare and medical, financial services, and IT industries. 

TECLA is a staff augmentation firm with offices in Seattle, Mexico, Lima, Peru, and various other South American countries. Since 2012, their small team of around 10 specializes in custom software, web, and e-commerce development.  

Insight Global, a HR agency, was established in 2001. Headquartered in Atlanta, Georgia; Birmingham, Alabama; Huntsville, Alabama and Phoenix, Arizona, their large team provides HR services.

Scalex Technology Solutions is a digital agency founded in Bellevue, Wash. in 2015 with fewer than 50 employees. They specialize in cloud consulting, mobile app development, and custom software development for clients in the fields of education, financial, and IT services.

Persistent Systems is a software development firm based in Pune, India. Founded in 1990, their team of over 12,000 employees provides custom software development, CRM consulting, and IT strategy services.

Helpful Human is a development agency based in Seattle. Since 2013, their team of 15 has been specializing in web design and development, mobile app development, and UX/UI design. They work primarily with small businesses in the information services and business services industries.

Formidable is a software development company. The midsize team is in Seattle, Washington and London, United Kingdom. Their services include custom software development, IT managed services, cloud consulting & SI, and application testing.

Carbon Five is a software development firm. Established in 2000, the midsize company is located in San Francisco, California; Santa Monica, California; Chattanooga, Tennessee and New York, New York. Their services include custom software development, mobile app development, web development, web design, and more.

SOUTHWORKS is a custom software development company based in London, United Kingdom; Bellevue, Washington and Vancouver, Canada. The company focuses on custom software development, cloud consulting & SI, BI & big data consulting & SI, and cybersecurity and has a midsize team.The company was launched in 2004.

Dura Digital, an IT managed services company, is located in Edmonton, Canada; Montevideo, Uruguay and Seattle, Washington. Launched in 2020, the small team offers IT managed services, IT staff augmentation, web development, and mobile app development.

Software development firm Null Unit is headquartered in Seattle, Washington. Launched in 2017, the small team offers custom software development, ux/ui design, business consulting, enterprise app modernization, and more.

Projekt202 is a software development and marketing company based in Addison, Texas. They were founded in 2003 and have a team of 285 employees. They specialize in custom software development, UX/UI design, and mobile app development to improve their client’s customer and employee experiences. 

Launched in 2017, Tignis is a custom software development firm. Headquartered in Seattle, Washington, their small team offers custom software development, Artificial Intelligence, IT strategy consulting, and IT managed services.

In Seattle, Washington, Assemble is an e-commerce development firm. They focus on e-commerce development, custom software development, cloud consulting & SI, ERP consulting and SI, and more and were established in 2010.

TangoTeams is an app development company. Established in 2021, the team provides mobile app development, web development, custom software development, and other application development. Their midsize firm is Seattle, Washington-based.

Established in 2005, Confiz is an application development company. Their midsize team is in Lahore, Pakistan. Their services include mobile app development, web development, ux/ui design, and content marketing.

Chaos Theory Studios, LLC is a small UX agency. Founded in 2021, the company is based in Seattle, Washington. Their services include ux/ui design, custom software development, AR/VR development, Artificial Intelligence, and more.

Generalsoft Corporation is a small software development company. Located in Seattle, Washington, the firm was launched in 2011. Their services include custom software development, cloud consulting & SI, IT managed services, IT strategy consulting, and more.

ShowGo Software, a software development company, is headquartered in Seattle, Washington. The small agency was established in 2000. Their services include custom software development, application testing, and application management & support.

V37 is a custom software development company founded in 2022. They are located in Seattle, Washington and have a small team. The company offers custom software development, web development, enterprise app modernization, mobile app development, and more.

Digi Corders is a small website development company. Founded in 2021, the team offers web development, advertising, branding, digital strategy, and more. The firm is based in Kent, Washington.

Located in Bainbridge Island, Washington; Seattle, Washington; Mainz, Germany and Bengaluru, India, PHYTEC America is a small custom software development firm. They focus on custom software development, IT strategy consulting, application testing, and application management & support and were established in 1986.