Top 100 Google App Engine Developers

Innowise Group is a custom software development company based in Warsaw, Poland. With more than 1000 specialists on board and 600 projects completed, they use cutting-edge technologies to transform their client's businesses. They are experts in designing and developing tech solutions that will help your company enhance its processes and increase customer satisfaction, thanks to their 15+ years of experience and extensive expertise. They create custom software to fit your unique requirements in terms of timeline, budget, and use case. They handle every step of the development process, from product concept and development to testing, deployment, and support. In addition to building custom software, we also excel in UX/UI design, IT strategy consulting, and staff augmentation.

Lizard Global is a full-stack digital company based in Rotterdam, Netherlands, with an office in Kuala Lumpur, Malaysia. The company, founded in 2012, has a team of more than 20 that provides mobile app development, web development, UX/UI design, and business consulting services to small and larger-sized companies and institutions in the business services, education, financial services, and other industries.

Custom software development company Geniusee was established in 2017. Their midsize team is in Middletown, Delaware; Warszawa, Poland; Kyiv, Ukraine and L'viv, Ukraine and offers Custom Software Development, Web Development, Artificial Intelligence, and Mobile App Development.

Osedea is a computer software company boasting a team of just over 40 employees that provide custom software and mobile app development, as well as AI services. From their headquarters in Montreal, Canada, they partner with enterprise and mid-market companies in the manufacturing, energy, and telecom sectors. 

Appinventiv is a mobile app development company and app modernization specialist of 250+ experts. A newcomer of promise since 2014, the company headquarters itself in New York and maintains offices in the UK, the UAE, and Noida, India.

Ulam Labs is a software development company from Poland that specializes in of Python and blockchain. Founded in 2012, they have 20+ developers who serve startups and small-to-medium businesses in the fintech, telecommunications, e-commerce, banking, supply chain, production, and manufacturing sectors. Their services include custom software development, DevOps, consulting, and outsourcing. 

iProgrammer Solutions Private Ltd. is a software development agency founded in 2007. Based in Noida, India, with an office in Kalyan, India the team of 100+ employees specializes in mobile app development, web development, and e-commerce development. They primarily serve small business and midmarket clients in the business services, consumer products & services, and telecommunications industries. 

Oxagile is a advertising company. They are headquartered in New York, New York and Warszawa, Poland and have a midsize team that provides advertising, BI & big data consulting & SI, custom software development, web development, and more. The company was established in 2005.

Accedia is a professional IT services company founded in 2012 with offices in Sofia, Bulgaria; Boston, Mass.; and San Francisco, Calif. Its team numbers more than 150 professionals, specialized in technology consulting, agile software development, and implementation of end-to-end IT solutions. Accedia’s clients are technology startups, small and mid-sized enterprises, and large enterprise businesses engaged in banking, finance and insurance, and manufacturing, among other industries.

SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

Broscorp is a software company founded in 2016 and located in Dnipro, Ukraine. The team of fewer than 50 serves small businesses in the IT, financial services, and telecommunications industries. Their services include BI, big data consulting services and SI, as well as custom software development.

AppUnite is a software development company based in Poznan, Poland. Founded in 2009, the team of less than 50 specializes in mobile app development, web development, and UX/UI design. They work primarily with midmarket and small business clients, in the media, health care and medical, and real estate industries. 

Riseapps is a design and development agency based in Kharkiv, Ukraine. With around 15 employees, Riseapps provides mobile app development, web design, web development, custom software development and UX/UI design services. Riseapps provides services to clients in the consumer products & services, business services and healthcare & medical fields. 

Based in Gliwice, Poland, The Software House is a development agency that was founded in 2012. They specialize in custom software development (PHP, Node, Javascript, Mobile) for mostly small and medium-sized businesses. So far, their team has completed over 100 web, mobile app, and custom software development projects. 

Diffco is a company of world-class senior developers in Mobile, Web, and AI to launch, accelerate, and support your business applications. 13+ years of experience and 1000+ successfully launched projects. We succor our customers to become market leaders.

Software development company NextAge was founded in 2007. The midsize team provides custom software development and mobile app development. The firm is headquartered in CURITIBA, Brazil.

TeleSoftas is a Kaunas, Lithuania-based mobile app development service company that specializes in mobile app development, custom software development and non-voice BPO/Back Office Services. Founded in 2003, TeleSoftas has worked with clients in the information technology, telecommunications and automotive industries. 

Founded in 2001, Thinklogic is a development firm. Their small team is based in El Segundo, Calif. They focus on custom software, web, and mobile app development.

Tower Technologies is a Lahore, Pakistan-based web development company. The small team specializes in web development, BI & big data consulting & SI, and web design. The firm was founded in 2001.

Applover Software House is a software house headquartered in Wroclaw, Poland that specializes in UX/UI design, graphic design, web development and more. Founded in 2014, the house works with midmarket companies and small businesses across industries such as advertising and marketing, arts, entertainment, and music, consumer products and services, and education. Applover Software House is comprised of 25 employees.

BlueSoft, a custom software development firm, was launched in 2002. Their large team is headquartered in Warszawa, Poland; Warszawa, Poland; Warszawa, Poland and Gdańsk, Poland. The agency offers custom software development, cloud consulting & SI, IT managed services, and BI & big data consulting & SI.

Sprint Innovations is a development agency based in London with fewer than 10 employees. Founded in 2014, they offer custom software, web, and mobile app development solutions for clients that work in the fields of business services, financial services, and real estate.

Linnify is a software agency based in Cluj-Napoca, Romania, and founded in 2016. Their team of more than 10 specializes in web development, mobile app development, and branding solutions for small and mid-market firms in the fields of healthcare, financial services, and more.

Based in Fort Lauderdale , Florida; Buenos Aires, Argentina; Cochabamba, Bolivia and Nuevo Cuscatlan, El Salvador, WillDom is a web development firm. The midsize team specializes in web development, IT staff augmentation, mobile app development, and Artificial Intelligence. The agency was launched in 2010.

Based in Kraków-Śródmieście, Poland, Netigen Kluzowicz is an app development company. They focus on mobile app development, custom software development, application management & support, and application testing and were founded in 2014.

Clockwise Software is a custom development company based in Dnipro, Ukraine. Founded in 2014, Clockwise Software's team of around 45 employees provides web development, mobile app development, application testing, and online marketplace development primarily to small businesses in a wide variety of industries including logistics, advertising, business services, and consumer products. 

KMS Solutions, Inc. Is a midsize IT strategy consulting company based in Ho Chi Minh City, Vietnam. The team focuses on IT strategy consulting, custom software development, and BI & big data consulting & SI.

Scalamandra is a software development outsourcing company based in Lviv, Ukraine. The company, founded in 2020, has a team of around 15 that provides web development, custom software development, AI, UX/UI design, and mobile app development services. Scalamandra serves small and mid-market companies in various industries that include IT, business services, and health care & medical.

Binary Studio is a software development firm headquartered in Lviv, Ukraine with an office in San Francisco. Founded in 2005, the team of 72 specializes in web development, custom software development, and IT managed services. They work primarily with midmarket-level and small businesses, focusing on gambling, telecommunications, and business services.

Founded in 1998 in Denver, Itransition now has multiple offices in the U.S., U.K., E.U., and locations in eastern Europe housing more than 2,200 employees. They help power enterprises and SMBs globally with their digital solutions in the areas of business process automation, AI, data analytics, customer experience, and others.