Top 100 Google App Engine Developers

Spire Digital developed a minimum viable product (MVP) – a web app – for a freelance recruitment platform. The client and Spire Digital created the concept, and Spire Digital provided user experience design, app development, and quality assurance. Spire Digital has worked with the company on and off for 15 years.

“Spire Digital has a tier of resources that are highly strategic. Beyond just taking our concepts and our ideas and executing, they’re actually highly strategic on the frontend … [and provide] pushback.” – Managing Director, Recruitment Company

Waverley Software provided an alarm company with custom software embedding, mobile app development, and supply staff augmentation for quality assurance. The team primarily worked on Android development for the mobile app, but also helped with embedded Linux software development, real-time operating systems, and networking protocols.

“Thanks to their excellent technical proficiency, Waverley Software produced high-quality deliverables for our company. They helped us foster the ability to bring four projects to market during my time with the company. We’ve successfully sold those systems to new customers already.” – Senior Engineer, Alarm Company

Altoros worked on blockchain development for an insurance platform. Altoros developed multiple software projects for the client including a monitoring interface and a custom front end. Altoros also connected the client to Smart Contract and built a cloud-based monitoring network on the software. 

"They [Altoros] have very high-class project management. All team members are skilled from a technical, organizational, and logistical standpoint. They perform very well." - CEO, Insurance Platform 

A telemedicine company needed assistance with platform development and maintenance. 10Pearls helped the telemedicine company with all aspects of platform development, creating a website and mobile app and ensuring the website’s backend was admin-friendly.

“They [10Pearls] get the job done, work hard, and are very responsive. I’ve never had to question if I should replace them.” – CTO, Telemedicine Company

N-iX was hired to develop and design a news website for a media technology company. They worked on the entire front- and backend of the platform. Key technologies used were PHP, JavaScript, AWS, and Jenkins.

"They always provided quality deliverables, and they were really thorough with their work."

Bacancy Technology worked with a food delivery service to create a mobile app that delivers groceries, alcohol, and prepared food. They developed both customer- and supplier-side apps, a website, and a server database. The client was impressed with how well Bacancy Technology understood the project and tailored services to their specific needs.

“They have a large yet competent team, so every field of development had a different expert working on it. … This feature was missing from other organizations I communicated with.” – Founder, Food Delivery Service

Gorilla Logic provided a team of developers to help build a new software platform for an HR software company. Using Camunda and GraphQL they have worked to develop a back-end system on Apache Kafka.

“Gorilla Logic has delivered exceptional resources that have increased the speed of development and improved the production timeline.” – Director, Human Resource Company

DOOR3 partnered with a medical device company to help in the planning phase of redesigning three websites. DOOR3 was involved with the research and discovery phase, helping the client identify the information needed on each site, content infrastructure, and navigation. All three websites were created on Drupal but DOOR3 was not involved in that phase of the project.

“We selected them because we felt, during the presentation, that they had a really strong user experience approach, and I think the output that we had on the site definitely validated that.” – Former Digital Marketing Manager, Medical Device Company

Experion Technologies developed a custom CRM system for a large multinational food exporter that improved productivity by capturing sales metrics and tracking field sales. Aside from increased visibility, the client also benefited from Experion’s supportive take on project management, timeliness, and professionalism.

"Our project with Experion has definitely been successful. We've seen its benefits, especially for our ice cream business." – Senior IT Manager, Food Exporter

Salvaging an already struggling project, Daffodil developed and successfully scaled a number of apps for a food service company. The team’s services were retained after impressing the client with their resourcefulness, efficacy, and customer-centric approach.

“They’ve got the right team to try and build out the solution at a reasonable, affordable rate. They're very focused on delivering quality work.” – CTO, Food Distributor

Yalantis created a web-based application for a food and beverage company from Switzerland. They implemented the food and beverage company’s designs, performing both frontend and backend development using Ruby on Rails, HTML, and JavaScript.

“They [Yalantis] offer a good balance between price and work quality. If the same developer came from our country, we would be paying five times more.” – CEO, Food & Beverage Company

JCommerce worked on insurance platform development for an IT transformation company. They provided long-term web and mobile platform development services. They also built a new platform using Java architecture on the backend and JavaScript on the frontend. The client was impressed with the results of the project.

“We went live with the system and it’s now used by the end customer of leading insurance companies, which is significant a factor of success.” – Engineering Project Lead, IT Transformation Company

Merixstudio used React, Flutter and Node.js to develop a premium web and mobile application characterized by usability, reliability, and intuitiveness for a ballistic calculating solution. They used a workshop-style process to understand the scope and proposed a solution based on Flutter, React, and Node.js.

“Implementing the internally devised solution and developing the UX, Merixstudio proved to be a capable partner. The Flutter mobile app sees over 1,000 daily users — this is a testament to Merixstudio's fast immersion in the industry. They brought a non-judgemental approach to a complex project.”

Gauss Development developed custom software for a reporting solutions company. They worked on the frontend, the e-commerce backend, API integrations, and more, delivering a reliable solution that serves a global, multicurrency user base. The client applauded their availability, communication, and diligent approach to their work.

"Gauss Development will be our preferred development partner for the next generation of our Automated reporting platform." – CEO, Reporting Solutions Company

KitRUM helped a video production company design an iOS app and bring it to the App Store. They ensured the app ran smoothly and fixed any bugs before launch. The client praised their project management and communication.

"We had weekly check-ins, and they showed a demo every week of the work they’d accomplished. They provided progress reports to keep us updated on where they were at." – CTO, Video Production Company

Forte Group helped a parking logistics company build their app for iOS and Android. When the apps were released, the client was happy with the results. The company elt that Forte Group excelled in their proactivity.

"Overall, Forte Group has a smart team. They were able to understand our requests without a lot of back-and-forths." – CTO, Park Logistics App

Solwit SA developed a learning management tool and an authoring tool for an e-publishing company. Their tool received high acclaim from their client and received positive publicity.

“The authoring tool that we use, and that was developed by Solwit, has been included in the Top 20 Authoring Tools list, held by Training Industry, for three consecutive years.” – International Marketing Manager, E-Publishing Company

Intellias is developing a location data platform for a global leader in location-based services. The platform is powered by real-time HD maps, and the engineers are responsible for the cloud-based architecture and robotaxi technology that aims to enable self-driving cars in the future.

The partnership resulted in increased efficiency and a 40% reduction in costs, while allowing in-house staff to focus on strategic projects. Intellias impressed with their solid talent acquisition process and quality standards. The agency's proactive management kept projects moving forward." - Manager, Location Platform Company

An education communication platform hired RootQuotient to develop a mobile and web app to promote better communication between schools and parents. They used a cross-platform tool to develop the app and created automated functionalities including attendance tracking and student feedback. The product helped the client convert users. 

"They’ve been really helpful right from the ideation stage. They clearly explained the process of the collaboration upfront." – Co-Founder, Education Platform 

Exadel provides full-stack platform development in collaboration with other vendors, deploying Java-based technology to create complex product components and assessing bugs to improve code quality. 

"Exadel feels like a permanent member of my team."

A national portfolio organization has been collaborating with Perfectial for staff augmentation. The client has requested additional software and quality assurance engineers, delivery managers, and designers. 

"We've never encountered a problem in bringing additional people with new skillsets on demand."

SoftwareMill provided a mobile app developer in San Francisco with back-end server development using Scala. The client's project was for the media and communications industry, and they needed a comprehensive software architecture solution for a sophisticated project. SoftwareMill integrated several API's for automating data management, and optimized them for scalability. The client was satisfied both with the quality of results and with the service they received in the partnership.

"Qualitatively, SoftwareMill has always hit projects on time and on budget. There have been no issues around major delays or cost overruns." - Managing Director, Mobile Development Firm

Itransition has cooperated with an insurance platform since 2017, helping them launch multiple products. They helped grow the project team to more than 60 professionals, including developers, business intelligence resources, and QA engineers. Itransition stays with the insurance platform to deliver ongoing improvements to their well-received digital projects.

"A key attribute they possess is the ability and willingness to provide valuable feedback and ideas. They're collaborative and flexible." – CTO, Insurance Platform

Sigma Software developed and launched an advertising platform for an advertising technology firm. The firm had a general idea for the platform, but needed the technical skills to launch it. Sigma Software provided interface design and coding, using a team of 8-12 developers. The launched ad platform began successfully generating revenue within 6 months and received positive feedback.

"We consider Sigma Software to be a strategic partner and an integral part of what we're doing at this time." – Founder & CEO, Ad Tech Firm

Avenga enhances software development capabilities by providing developers and program managers. Following documentation, they use Node.js, GraphQL, and React to build a web app and Swift to build an iOS app.

"I'm impressed by their ability to scale and bring high-quality individuals into development processes and teams."

Startup Development House developed the platform for a ship technology startup to attract clients. They used Ruby on Rails and PostgreSQL to develop a user-friendly platform that easily handled all the client data.

"Currently, we have a lot of shipyards using the site and they like it. We have also been contacted by shipyards without us having to reach out to them. We have received a lot of positive feedback, and people are happy that there is finally a platform that is easy to use." — CEO, Ship Tech Startup

QArea handles staff augmentation services for an IT firm. They provide experienced developers and QA engineers to help the client on their software projects.

"They've managed to fit in seamlessly with our entire team."

Bitbean.com built a website for an educational media company. After receiving an unsatisfactory product from another source, the client hired Bitbean to remake the site from scratch. They remade the site, integrating specific content delivery services and being careful to preserve features of the old site which users had come to expect. The client was impressed with the quality of the product and with their professionalism during the project.

“The level of skill, professionalism, and passion they bring to the table is noteworthy. We never felt like this was just another project to them.” – CEO, Educational Media Company

Simform developed a SaaS software that allows gyms, physical therapy centers, and dietitians to craft custom iOS and Android native apps for their clients. After launching the platform, many partners have joined with the client to help local organizations empower their employees, families, & customers to improve their fitness, health, and well-being. 

“Beyond their reasonable price structure and technical knowledge, their team is reliable and productive.” – CEO, Health & Wellness Company
 

The Software House developed booking software for an airport transportation company. The system, to which they added an admin panel, automated operations and determined the most efficient routes to the airport and expanded their potential persons serviced more than fourfold. 

"Previously, one person could serve 80 people per day, planning the route and informing clients of the pickup time. We have increased our efficiency. Now, we are able to serve 450 people or more per day." –Product Manager, Transportation Service Company