Looking for a top Google App Engine web app developer in Bulgaria?

Google App Engine is best for scaling web apps. For example, if you launch an app and 100 people use it the first day but 1000 use it the second day, Google App Engine automatically allocates resources to meet this demand. This scaling advantage is a result of App Engine being a platform as a service (PaaS) and serverless, which means servers are provisioned based on web app usage. GAE supports multiple development languages, including Go, PHP, Java, Python, Node.js, .NET, and Ruby

To assist you in your search for a partner, we’ve compiled this list of the top Google App Engine developers in Bulgaria. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.

List of the Best Bulgaria Google App Engine Web App Developers

  • 1
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria

    Bianor is a software development company established in 1998. They also have offices in New York and Sofia, Bulgaria. Their team of 30+ designs and develops software solutions for technology, media, and telecommunication companies. Their software specialization includes image processing, video streaming, real-time broadcasting, encryption/decryption of video signal, and data transfer. 

    Clients
    NATO
    IBM
    Procter & Gamble
    Sunbird
    Industries
    Notable Project

    A medical technology startup contracted Bianor for outsourced Android development. After assessing prototypes of the client's Bluetooth medical devices, they created the app. The app used BLE 4.0 chips to visualize incoming data from the client's hardware and display it on mobile devices. Internal stakeholders praised Bianor for their professionalism and dedication.

    "I appreciate the fact they provided excellent service regardless how small our project or how much we’re paying them. " – Co-Founder, Medical Device Agency 

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  • 2
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria

    ITIDO is a software development company based in Sofia, Bulgaria. They were founded in 2014 and have around 20 employees. Their services include custom software development and enterprise app modernization for primarily midmarket and small businesses. 

    Clients
    Nokia
    Epson
    SOS
    Vonage
    Industries
    Notable Project

    ITIDO developed an automation system and maintain it, providing updates and making changes as needed. They also make suggestions and provide input. The new system has streamlined the internal team's processes, making their jobs much easier and more efficient.

    "I don’t know how we survived before ITIDO created this system." – Global Category Manager, Metals Company

  • 3
    $10,000+
    10 - 49 Employees
    Varna Bulgaria

    Wollow International is a software development firm in Varna, Bulgaria. Founded in 2010, the agency currently consists of fewer than 10 employees. The team primarily works with smaller businesses, offering software, web, and mobile app development.

    Clients
    Telstra
    REWE
    Blue Lynx
    DentRefer
    Industries
    Notable Project

    Wollow International partnered with a memorabilia company in order to develop a website for the organization. The team at Wollow International was successfully able to develop a new site for the client. The website features a backend system with tracking, processing, and analytic functions. The client was impressed with the website that the team at Wollow International developed for their organization.

    A memorabilia company hired Wollow International to design a website that could track a large volume of B2B sales. The site's backend system featured warehouse management capabilities and sales metrics as well as an analytics function. Thanks to the new site, the former client was able to scale up their business.

    "The new platform they delivered has been a great tool for us and has allowed us to take big steps toward expansion in the international market."-Owner, Memorabilia Company 

  • 4
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Perspective Web Ltd. is a digital design agency that was founded in 2014 and is based in Sofia, Bulgaria. They comprise three employees who offer a range of UX and UI design, mobile app development and custom software development services. They provide market research, visual designs and CMS services for a range of large businesses.

    Clients
    AT&T
    Generali
    Royal IHC
    EASPD and many others.
    Notable Project

    Perspective Web Ltd. designed and developed a 3D-animated, teamwork building game for a shipbuilding company. They built the solution with PHP and HTML5 and introduced rapid screen-refresh technology. Users lauded the game’s design and were impressed with its technical sophistication.

    “Their level of comprehension is incredible. They dove deep into our problem and uncovered exactly what we wanted to get out of the game. Based on surveys we put out after people played the first version of the game, they loved its design and thought it was quite professional.” – Project Manager, Shipbuilding Company

  • 5
    $10,000+
    50 - 249 Employees
    Русе Bulgaria

    Areus Development is a software development offshoring firm based in Bucharest, Romania. Established in 2014, the Areus Development team consists of 9 employees that provide solutions like custom software development, mobile development for Android and iOS, IT managed services, testing, and DevOps support.

    Clients
    Enea Services
    NNC Services
    Bibsma
    DataView
    Industries
    Notable Project

    Areus developed a unique location-enabled mobile application for a Romanian consulting firm. The firm's end-client was a conservation organization that focuses on protecting Romania's natural resources and wildlife, and the app enabled users to track environmental activity throughout the country. Areus successfully delivered the project to the end-client's satisfaction, and the consultancy considered it a particularly smooth partnership.

    "Areus Development was deeply involved in the project and came up with many good ideas that we hadn't thought about during development." - Business Development Manager, Consulting Firm

  • 6
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria

    Infoleven is a web and app development company founded in 2015. Based in Sofia, Bulgaria and Munich Germany, they have a team of around 30 employees. Their services mainly focus on custom software development, web development, and ERP consulting & SI. 

    Clients
    Hubert Burda Media
    Auto 1 Group
    United Digital Group
    Calvendo
    Industries
    Notable Project

    Infoleven created an Android and iOS app, along with an admin panel and an API. They integrated user feedback into the platform and used Swift, Native, and Java for the work. Their ability to implement changes has been crucial for the success of the platform. 

    "They are very dedicated to the project — they are not only doing the technical feature development, but they give us useful ideas and a different point of view." – CEO, Gaming App Platform

  • 7
    $25,000+
    50 - 249 Employees
    Plovdiv Bulgaria

    Founded in 2016, CodeCoda Ltd. is a development company based in Plovdiv, Bulgaria with a secondary location in Dublin. They have a team of 17 employees who provide custom software development, web development, mobile app development, and e-commerce development services. They work with midmarket and small businesses in the business services, consumer product, and financial services industries.

    Industries
    Notable Project

    CodeCoda partnered with a hotel booking application to provide JavaScript development and API support to help with the influx of calls the client receives at one single time. They worked to improve the management features, which were successful.

     "CodeCoda continually delivers high-quality code on time or even faster than we expect. I can trust their team to know what they’re doing and to seek clarity when our instructions are vague or incomplete. We’re not getting just what we ordered; we’re getting something that works." –– CTO, Hotel Booking Application

  • 8
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria

    Qualifast is a software agency based in Sofia, Bulgaria, and founded in 2017. With more than two experts, they specialize in custom software, web, and mobile app development solutions for small and mid-market firms alike in the fields of consumer products and financial services.

    Clients
    Hopper
    Reloyalty
    Colibra
    OceniMe
    Industries
    Notable Project

    Qualifast developed a mobile solution for a transportation app platform. The app was built to implement an IT solution for the platform. The tool has since then become the platform’s flagship app.

    “Now we have paying customers, which is the easiest to measure impact.” - Co-Founder, Transportation App

  • 9
    $1,000+
    10 - 49 Employees
    Plovdiv Bulgaria

    Elders Ltd. is a development agency based in Plovdiv, Bulgaria. Their team of over 10 employees serves firms of all sizes in industries such as advertising, IT, media, and e-commerce. Founded in 2016, they offer custom software, mobile app, e-commerce, and wearable app development services.

    Clients
    MarketVision
    One Big Splash
    Liturgical Press
    MemberTEK
    Industries
    Notable Project

    Elders Ltd. provided mobile app development for a communications platform company. The team also designed the new iOS and Android platforms. They produced high-quality work. 

    "They were extremely professional and they knew what they were doing." — Software Development Manager, Communications Platform

  • 10
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Smarch is a software company founded in 2018 with more than two employees. Based in Sofia, Bulgaria, they offer custom software, web, and mobile app development solutions for small and medium-sized businesses that work in the fields of IT, financial services, and e-commerce.

    Clients
    Ahviid
    Industries
    Notable Project

    Smarch developed an AI solution for an online marketing company. Smarch also provided other solutions requested by the company for their webshop. This resulted in a 10% increase in the company’s average order value in just one month.

    “Every task was completed within a few days.” - Digital Marketing Speciality, Online Marketing Company

  • 11
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria

    Resolute Software is a software engineering and consulting company located in Lawrenceville, Ga. Founded in 2019, they currently have about 18 employees. They provide custom software development, IT strategy consulting, and cloud consulting and Si services to primarily midmarket firms and enterprises.

    Clients
    CODY Systems
    Progress
    Industries
    Notable Project

    Resolute Software designed and developed a website for a managed cybersecurity services company. Following brand guidelines, they built the platform to present the client's services more clearly. The platform not only made the client's services more accessible to a wider audience but also positively impacted sales. 

    "Our deadlines were met and our vision truly manifested onto our new website." —VP of Business Development, Managed Cybersecurity Services Company

  • 12
    $10,000+
    50 - 249 Employees
    Sofia Bulgaria

    Sciant is an IT development provider located in Sofia, Bulgaria. Established in 2016, their 85–90 employees are also housed in their second office in Olomouc, Czechia. Primarily serving midmarket clients in the hospitality and transportation sectors, the team provides custom software development in addition to consulting on AI, Big Data, and Blockchain.

    Clients
    CENDYN
    DHL
    RateGain
    DHISCO
    Industries
    Notable Project

    Sciant developed custom software for an event services provider. They delivered a solution that automates interactions between the client and the third-party services they utilize. Their work facilitated relationships with new customers and enabled the client to appropriately address their needs. 

    "We have an ongoing project for Sciant to develop middleware between iVvy and other third party PMS solutions." — COO & Founder, Events Services Provider

  • 13
    $10,000+
    2 - 9 Employees
    Sofia Bulgaria

    Tweerous OOD is a full-stack software development and consultancy company based in Sofia, Bulgaria, and founded in 2012. With over two members, they provide custom software, web, and mobile app development solutions to small businesses across various industries.

    Clients
    Eclectica
    UpTick
    CryptoAlerts
    Industries
    Notable Project

    Tweerous OOD developed a custom software solution for a fintech startup. The startup needed to outsource a team that could work with large amounts of data. The project resulted in the software getting very positive reviews on the app store.

    “The biggest differentiator between their Tweerous OOD and other providers was how independent their team is.” - CEO, FinTech Startup

  • 14
    $10,000+
    10 - 49 Employees
    Plovdiv Bulgaria

    WebX Software is a software development company based in Plovdiv, Bulgaria with no more than 50 employees. Since their founding in 2018, they have offered IT staff augmentation, custom software development, and mobile app development solutions for various clients.

    Clients
    Alex C Trucking
    PSInteractive
    Industries
    Notable Project

    WebX Software developed a mobile entertainment app for a media solutions provider. The provider was looking for a partner with deep React Native knowledge to implement a solution. The app is now running with no known critical bugs.

    “All team members are proactive in order to find the correct solution in time and communicating problems in an efficient and reasonable manner with possible solutions.” - Operations Manager, Media Solutions Provider

  • 15
    $5,000+
    10 - 49 Employees
    Veliko Tarnovo Bulgaria

    Reflection Infosys is an IT company based in Veliko Tarnovo, Bulgaria. The company, founded in 2010, has a team of more than ten that provides custom software development, web development, mobile app development, UX/UI design, IT strategy consulting, AI, blockchain, application management & support, and enterprise app modernization services. Reflection Infosys serves small and larger-sized companies in various industries.

    Clients
    KUKUI
    Social Network Media Development
    Industries
    Notable Project

    A voice tech company hired Reflection Infosys to help them develop their main software product. Reflection Infosys worked closely with the company to develop the software in .NET and implement integrations with social media platforms and with YouTube and Audioengine. The project is ongoing and Reflection Infosys has been exceeding expectations with their work.

    "He will bring you something that not only involves making it work, it also involves creativity and understanding what the customer needs more than just a backend that works beautifully." - CTO, Voice Tech Company

  • 16
    $10,000+
    10 - 49 Employees
    Sofia Bulgaria
    Small blockchain company CST, is in Sofia, Bulgaria. They specialize in blockchain, BI & big data consulting & SI, cloud consulting & SI, and custom software development and were launched in 1997.
    Notable Project

    CST built a web-based and hybrid mobile application for a sports startup. They developed the solution using Python and implementing specifications. Now, their team provides ongoing maintenance and support.

    "They’re flexible, trustworthy, straightforward, and honest."

  • 17
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria

    Ever Technologies is a software agency founded in 2017 with over 10 employees. Based in Sofia, Bulgaria, they provide custom software, web, and mobile app development solutions for small and medium-sized businesses.

    Clients
    Nabo As (Norway)
    CUE (US)
    Orthodox Union (US)
    GrowthZone (US)
    Notable Project

    Ever Technologies created a client portal for an audio company. The portal was created to improve the company’s scalability. The portal was built cost-effectively.

    “They work very effectively.” - Founder, Audio Company

  • 18
    $10,000+
    2 - 9 Employees
    Sofia Bulgaria

    Founded in 2015, ToBeCode is headquartered in Sofia, Bulgaria. ToBeCode specializes in web development, e-commerce development and custom software development. A team of less than 10, ToBeCode focuses on clients in the retail, business services and advertising & marketing industries.  

    Clients
    Bulgarian-Swiss Cooperation Programme
    HBG
    NetInfo
    Laminam
    Industries
    Notable Project

    A civil society group hired ToBeCode to develop an educational website for a novel partnership initiative between cultural and political groups in Switzerland and Bulgaria. ToBeCode created a site which has resolved administration issues and met all client specifications. The website connects to the client's Facebook and Youtube pages and has Google integration with Google Analytics.

    "ToBeCode was the first web design company which paid attention to details around what I wanted as a client, instead of technical issues. They were very helpful in this field." - Consultant, Civil Engagement Group

  • 19
    $1,000+
    10 - 49 Employees
    Sofia Bulgaria

    TechPods is an IT firm based in Sofia, Bulgaria, and founded in 2018. With over 10 employees, they provide IT staff augmentation, custom software development, and web development services for small and medium-sized businesses alike.

    Clients
    Smith Global Ltd
    Almond.org
    Kodal
    Industries
    Notable Project

    TechPods provided staff augmentation services for a luxury hotel locator. TechPods worked with the locator’s own in-house team on one of their systems. TechPods have helped find the right talent for the locator for the past few months.

    “The TechPods developer worked as part of the team, fully integrated into our ways of working and developing stories as any other internal team member would.” - CTO, Luxury Hotel Locator

  • 20
    $1,000+
    10 - 49 Employees
    Sofia Bulgaria

    Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.

    Clients
    Grasp HR (https://grasp.hr)
    Lyst (https://lyst.co)
    Monizze (https://monizze.be)
    Notable Project

    Looming Tech revamped a website for a management consulting company. The team restructured the whole page, provided additional content pages, and resolved previous complexities.

    "They had amazing pricing and were great people to work with."

  • 21
    $1,000+
    50 - 249 Employees
    Varna Bulgaria
    Customer Umbrella is a non-voice bpo/back office services and call center service in Varna, Bulgaria. The midsize firm was launched in 2010. Their team offers non-voice bpo/back office services and voice services.
    Industries
    Notable Project

    To accommodate massive calls, Customer Umbrella is supporting an in-house call center. They are tasked with providing customer service, which handles tech questions and inquiries. 

    "They are very friendly and managed to find new operators quickly."

  • 22
    $5,000+
    2 - 9 Employees
    Sofia Bulgaria

    Custom software development firm DevScale was founded in 2018. The company offers custom software development, web development, web design, graphic design, and more and has a small team.

    Industries
    Notable Project

    A travel agency worked with DevScale to develop a CRM system that integrates back-office operations. The goal was to make tracking of the entire business easier and optimize the client's business efficiently. 

    "They are professionals who can meet every client’s needs and develop a custom-made project."

  • 23
    $25,000+
    10 - 49 Employees
    Sofia Bulgaria
    QaiWare is a Sofia, Bulgaria-based custom software development company. The small team focuses on custom software development, mobile app development, web development, and enterprise app modernization. The firm was launched in 2011.
    Industries
  • 24
    $1,000+
    10 - 49 Employees
    Varna Bulgaria
    Marinext Consulting is a Varna, Bulgaria-based software development firm. The small firm was launched in 2018. Their team specializes in custom software development, web development, e-commerce development, mobile app development, and more.
    Industries
  • 25
    $5,000+
    10 - 49 Employees
    Sofia Bulgaria
    LimeStudio is a small Sofia, Bulgaria-based software development company. Their services include custom software development and mobile app development.
    Industries
  • 26
    $25,000+
    250 - 999 Employees
    Sofia Bulgaria
    Custom software development company Sirma Group was launched in 1992. The midsize team offers custom software development, HR services, BI & big data consulting & SI, cloud consulting & SI, and more. The company is located in Boise, Idaho and Sofia, Bulgaria.
    Industries
  • 27
    $5,000+
    2 - 9 Employees
    Sofia Bulgaria
    CloudBM is a software development company. The Sofia, Bulgaria-based firm was established in 2010. The small team offers custom software development, e-commerce development, IT managed services, ERP consulting and SI, and more.
  • 28
    $1,000+
    2 - 9 Employees
    Sofia Bulgaria
    Established in 2019, Lingo is a custom software development firm. The small team offers custom software development. The agency is located in Sofia, Bulgaria.
    Industries
  • 29
    Undisclosed
    2 - 9 Employees
    Plovdiv Bulgaria
    Hardware Group Ltd, a custom software development firm and business consulting company, is in Plovdiv, Bulgaria. The small team focuses on custom software development and business consulting and was founded in 2014.
  • 30
    $50,000+
    50 - 249 Employees
    Varna Bulgaria

    Established in 2003, Quanterall is a blockchain company. The agency provides blockchain, custom software development, IoT development, mobile app development, and more and has a midsize team. The agency is in Sofia, Bulgaria.

    Clients
    IOHK
    SAP
    æternity
    Cardano
    Industries
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