Top 100 Google App Engine (GAE) Developers in Poland

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Top 100 Google App Engine (GAE) Developers in Poland

October 2023

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

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. 

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List of the Best Poland Google App Engine Web App Developers

  • 1
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 1,000 - 9,999 employees
    • Łódź, Poland

    Headquartered in New York, Vention is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, Vention has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, Vention's talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Clients

    • ClassPass
    • ZEFR
    • Gain Capital (forex.com)
    • Merkle

    Industries

    Notable Project

    Vention provides staff augmentation services to a SaaS solutions provider. The scope includes software and feature development and maintenance across the product line.

    "They are all developers capable of delivering their responsibilities."

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  • 2
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 250 - 999 employees
    • Warszawa, Poland

    Altoros is a software development company in Warsaw, Poland. Founded in 2001, Altoros' team of over 350 employees specializes in cloud consulting, BI & big data consulting, blockchain and artificial intelligence services. 

    Clients

    • Allstate
    • Siemens
    • Huawei
    • Toyota

    Industries

    Notable Project

    Altoros has provided staff augmentation services for a software development company. They have hired experts who would transition the frontend of the client's website from Angular to React.

    "The deliverables were generally met on time with high quality."

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  • 3
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Gdańsk, Poland

    Solwit SA is a custom software development firm based in Gdańsk, Poland. Founded in 201, their team of 500 serves clients in the IT, Financial services and utilities sectors. Services include NodeJS, AngularJS, and .NET development.

    Industries

    Notable Project

    Solwit SA developed a custom web application for a production and service company. They integrated a GUI login panel and a parameter editor module saved to .json files, among several other modules.

    "The communication and project management was impeccable."

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  • 4
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Warszawa, Poland

    itCraft is a software house with 10+ years of experience in designing and developing mobile & web apps, IT outsourcing, machine learning, branding and much more. 350+ digital products in portfolio that make users’ lives easier and make a difference.

    Clients

    • InterCars
    • Roche
    • Deloitte
    • Rossmann

    Industries

    Notable Project

    itCraft developed a mobile application for a logistics services company. The team focused on content management, admin panel, advanced Android version, payment method, and UI/UX design.

    "I felt that I was working with professionals and experts in their areas."

    Visit Site
  • 5
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Wrocław, Poland

    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.

    Industries

    Notable Project

    Applover developed a mobile app for a digital banking company. The team created an MVP and analytics tools, integrated the app with the company's onboarding and card system, and provided reporting.

    "I highly recommend Applover to anyone seeking a reliable and skilled team to assist with their project."

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  • 6
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Poznań, Poland

    Full-stack development company with 230 experts on board who build complex digital products for clients worldwide looking to outsource software development to professionals. Merixstudio’s key expertise is the delivery of high-quality and performant web applications, as well as mobile apps accessible on Android and iOS devices. Based on the needs of clients, they can support in end-to-end product development or seamlessly extend in-house teams of engineers.

    Clients

    • The Juilliard School
    • Toshiba
    • GS1
    • SendinBlue

    Industries

    Notable Project

    Merixstudio developed a website for a financial services company. This involved the frontend development of 12-15 pages including desktop and tablet reviews and the implementation of Strapi.io, a  CMS.

    "I would highly recommend them to other businesses."

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  • 7
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.2
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 1,000 - 9,999 employees
    • Kraków, Poland

    Ailleron S.A., a digital strategy company, is in Kraków, Poland. The midsize firm was established in 2014. Their team focuses on digital strategy, enterprise app modernization, mobile app development, custom software development, and more.

    Industries

    Notable Project

    Ailleron built a platform for a bank in three languages. They provided development and support using Vaadin, .NET, Angular, Kotlin, Swift, and Rabbit. Most recently, the team worked on a Vaadin update.

    "They know their business, and working with them is a pleasure."

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  • 8
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 1,000 - 9,999 employees
    • Warszawa, Poland

    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. 

    Clients

    • Expedia
    • Xerox
    • Toyota
    • eBay

    Industries

    Notable Project

    Itransition is helping develop and design a web and mobile app for a forensic ballistics company, including the entire backend infrastructure. Currently, they’re working on an AIML project as well.

    “Excellency is the most important characteristic of Itransition; they apply it to everything they do.”

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  • 9
    • $10,000+
    • 50 - 249 employees
    • Gliwice, Poland

    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. 

    Clients

    • eSky.com
    • GoConnectIT
    • Reservix
    • Pet Media Group

    Industries

    Notable Project

    The Software House is developing an AWS-hosted platform for a fintech company. The team uses Node.js, TypeScript, SATCOM, and Terraform to build the front- and backend and offers architecture consulting.

    “The Software House is great at merging their team with ours and co-delivering.”

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  • 10
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 1,000 - 9,999 employees
    • Warszawa, Poland

    Avenga is a global IT and digital transformation consultancy with over 20 years of experience for verticals such as pharma & life science, insurance and finance. Avenga has more than 2500 professionals with offices in Germany, Poland, Ukraine, the U.S., and Malaysia. Services include digital strategy & CX, custom software development, staffing, as well as Salesforce consulting, big data, and cloud solutions.

    Clients

    • IQVIA
    • GSK
    • QPharma
    • Roche

    Industries

    Notable Project

    A financial services company hired Avenga for their DevOps, cloud consultation, and system integration services. The team utilizes AWS, Snowflake, and Bitbucket as their primary development tools.

    "They're very open to feedback, which makes them a robust partner for our organization."

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  • 11
    • $10,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Startup Development House is custom software and product development company based in Poland. The team of 60 provides end-to-end product development services: ideation, prototyping, UX/ UI design, app & web development, scrum team augmentation, quality assurance, and product management. 

     

    Clients

    • Siemens
    • Startupmatcher
    • Petricore
    • CHOOOSE

    Industries

    Notable Project

    Startup Development House has helped a digital health startup build their flagship product. The team provides development services across several projects and guides the client on the best technologies to use. 

    “Overall, we’re getting quality for what we pay.”

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  • 12
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Kraków, Poland

    Miquido is a full-service software house in Cracow, Poland. Founded in 2011, they have now reached more than 200 employees. They provide custom application development services, product design and strategy consultation, Artificial Intelligence implementation. Miquido serves mostly mid-market and enterprise clients from various industries such as FinTech, e-Commerce, healthcare, travel, entertainment, and many more. 

    Clients

    • Dolby
    • Warner Music Group
    • Abbey Road Studios
    • BNP Paribas

    Industries

    Notable Project

    Miquido built an algorithmic trading and AI app for a development company. They brought in their Flutter developers to join the team and speed up their current project with an aggressive launch deadline.

    "We found the developers to be highly experienced and qualified."

    Visit Site
  • 13
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.4
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 250 - 999 employees
    • Wrocław, Poland

    Scalo is a software solutions company based in Wroclay, Poland. The company, founded in 2007, has around 500 employees and provides custom software development, IT staff augmentation, web development, application testing, and IT strategy consulting services. Scalo serves mid-market and other-sized companies in various industries that include financial services, IT, and manufacturing.

    Clients

    • Change Donations
    • ELSA
    • Satori Analytics
    • ING

    Industries

    Notable Project

    Scalo provides IT staff augmentation services for a digital consulting company. They find suitable candidates for in-house teams and end-client projects, also taking care of technical interviews.

     

    “They’re great at sourcing candidates that fit well with us. Scalo finds right-minded people for our projects.”

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  • 14
    • $50,000+
    • 10 - 49 employees
    • Gdynia, Poland

    Founded in 2008, Profil Software is a development company headquartered in Gdynia, Poland. Their team of 26 provides web development, custom software development, and mobile app development. Their clients are primarily mid market and enterprise companies present in the business services, information technology, and consumer product industries. 

    Clients

    • Quantfolio.io
    • HolmSecurity.com
    • CommunityBrands.com
    • Gulp.de

    Industries

    Notable Project

    Profil Software rebuilds a cybersecurity firm's SaaS platform using React and Django and integrates several proprietary components in its backend. They're also redesigning the web app and improving its UX.

    "We are impressed with the team's qualifications and attitude to delivering the best product."

    Visit Site
  • 15
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Gdańsk, Poland

    Neoteric is a software development company with about 100 employees. Headquartered in Gdańsk, Poland, the company focuses on small, mid-market, and enterprise clients across industries including information technology, business services, and telecommunications. Neoteric was founded in 2005 and specializes in software development, AI development, and product design.

    Clients

    • The World Bank (Finance)
    • Nestle (FMCG)
    • Boeing (Aviation)
    • Jeppesen (Aviation)

    Industries

    Notable Project

    A design company hired Neoteric for R&D services. They took care of developing a concept and scope of work for a client's MVP.

    ''They were very helpful.''

    Visit Site
  • 16
    • $25,000+
    • 250 - 999 employees
    • Wrocław, Poland

    EffectiveSoft is a software development company with more than 20 years of professional experience and 300+ employees. Their key competence in recent years has been dedicated to fintech and healthcare. They are headquartered in San Diego and have offices in London, West Burlington, Mass., and Minsk, from which they offer both a local and offshore presence. 

    Industries

    Notable Project

    EffectiveSoft designed and developed a custom mobile app for a .NET programming company. The team was responsible for market research, UI/UX design, prototyping, final testing, and QA efforts.

    "The team at EffectiveSoft was highly skilled at managing projects and timely delivery."

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  • 17
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Warszawa, Poland

    EL Passion is a web and software development company that also provides UX and UI design and app development services. Based in Warsaw, Poland, EL Passion has more than 9 years of experience and more than 50 experts on the team. They deliver end-to-end solutions but also can assist companies at every step of the product development process. They delivered more than 300 projects for startups, scale-ups, and midmarket companies across industries like healthcare, B2B services, finance, entertainment and travel.

    Clients

    • EY (Financial Services)
    • Polaroid Originals (Art&Photography)
    • Varner (Ecommerce)
    • Millward Brown (Productivity)

    Industries

    Notable Project

    EL Passion accelerated the full stack implementation of a managed SaaS platform. They helped develop several features and optimized the platform for mobile users.

    "We would highly recommend them to anyone needing software development services."

    Visit Site
  • 18
    • Scheduling

      4.7
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • Bielsko-Biała, Poland

    SoftKraft is a software development and consulting company located in Bielsko-Biała, Poland. Founded in 2015, they have 11 employees who assist startups and SMEs in redefining their products, processes and business ventures through software-based innovations. They specialize in design and engineer cloud-based data processing software solutions.

    Clients

    • Atastic
    • Hey Noggin
    • Fils
    • Acrolinx

    Industries

    Notable Project

    SoftKraft migrated a pet retailer's online store onto the cloud. Their experts used the client's project documentation, including workflow and coding standard practices, for the framework and PHP development.

    "They are their own biggest critics — they spot project problems before we can."

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  • 19
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Katowice, Poland

    Qarbon IT is a software development company in Poland, founded in 2019, with over 50 employees. They serve worldwide companies in industries such as finance, banking, automotive, education, and energy. Their services include custom software development, web application development, and mobile application development.

    Clients

    • Takamol Holding
    • Baraka
    • Komputronik
    • Interia

    Industries

    Notable Project

    An NFT utility company hired Qarbon IT to work with their engineering team and deliver products that required a beautiful UI, a good code quality, and timely delivery. 

    "They were flexible and professional." 

    Visit Site
  • 20
    • $50,000+
    • 50 - 249 employees
    • Wrocław, Poland

    Droids on Roids is a Polish company that was founded in 2011. Their dedicated team of 50+ members specializes in mobile development for both iOS and Android, as well as web development and design.

    Clients

    • Giphy
    • CCC
    • Veepee
    • HoneyBee

    Industries

    Notable Project

    Droids On Roids helped an investment management firm build a custom solution that would allow them to automate operational tasks. Additionally, the team developed an Android and iOS app and a web app.

    "They were responsive to my comments and requirements."

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  • 21
    • Scheduling

      4.3
    • Quality

      4.6
    • Cost

      4.2
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Wrocław, Poland

    Clearcode is a software development company with an office in New York and offices in Wroclaw and Katowice, Poland. Founded in 2009, they design and build software for small to large-scale companies in advertising and marketing. Services include custom software development, UX and UI design, AdTech & MarTech development, and graphic design.

    Clients

    • Klarna
    • Kanary Nest
    • AddShoppers

    Industries

    Notable Project

    Clearcode created a new SSP product for an ad tech company. They used Microsoft Azure, Kubernetes, and Node.js as key technologies to develop the product. 

    “Their team members were highly knowledgeable in our domain and technologies, so our overall experience was positive.” 

    Visit Site
  • 22
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • Kraków, Poland

    SDCLabs is a web development company launched in 2011. Their small team is located in Kraków, Poland and Dublin 3, Ireland. The agency offers web development, mobile app development, custom software development, and application testing.

    Clients

    • Trivago
    • Couchsurfing International
    • Tele2
    • iDeals

    Industries

    Notable Project

    SDCLabs developed a website for an architectural visualization studio. The team integrated 3D models to promote the client's business services.

    "Their attention to detail and desire to help was impressive in the workflow."

    Visit Site
  • 23
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • Warszawa, Poland

    e-point SA is a software house based in Warsaw, Poland. The company, founded in 1996, has more than 150 employees and provides custom software development, e-commerce development, UX/UI design, and application management & support services. e-point SA serves enterprise and mid-market companies in various industries that include financial services and e-commerce. 

    Clients

    • Santader Bank Polska S.A.
    • Google Poland
    • ING
    • InterCars

    Industries

    Notable Project

    e-point SA built a digital experience platform for a financial institution. After a business analysis, they collaborated on the development using technologies such as JavaScript and TypeScript.

    "They understood our business and goals very well."

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  • 24
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Cybercraft Inc. is a development agency headquartered in Lviv, Ukraine, that was established 2012. Their team of 19 offers custom software development, IT staff augmentation, web development, and more. 

    Clients

    • Palo Alto Networks
    • Chime
    • 1Konnection

    Industries

    Notable Project

    CyberCraft Inc. provided cloud software development for a software company. They executed continuous integration and continuous delivery (CI/CD) development in Node.js, ReactJS, Golang, AWS Cloud, and Jenkins.

    "These engineers were highly skilled and had a startup mentality."

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  • 25
    • $10,000+
    • 50 - 249 employees
    • Suwałki, Poland

    Code & Pepper is a FinTech product development company founded in 2006 in Poland with an additional location in London. The team of 68 specialists support global businesses in building digital products and creating successful development teams. With more than 400 projects under their belt, they have not only the technical know-how but also the domain expertise to deliver apps that meet the market’s taste.

    Clients

    • Finbourne (www.finbourne.com)
    • SmartPension (www.autoenrolment.co.uk)
    • FlexFunding (www.flexfunding.com)
    • Pluto Insure (www.pluto.insure)

    Industries

    Notable Project

    Code & Pepper developed and designed a web app for a fintech company. They used a tech stack comprised of AWS, Figma, and Adobe XD to generate front- and backend solutions for the client's investment platform.

    "Code & Pepper was an accommodating partner — they remained attentive to our needs."

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  • 26
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 250 - 999 employees
    • Kraków, Poland

    Codete is a Berlin based IT consulting and software development company. They were founded in 2010 and have a team of 104 employees who specialize in AI, big data consulting, and mobile app development. They mainly work with mid-market and enterprise clients in the financial services, automotive, and eCommerce industries. 

    Clients

    • Blinkist
    • BMW
    • Cisco
    • Dalia Research

    Industries

    Notable Project

    Codete is augmenting a digital agency's development capabilities by providing backend development services. The team provides suitable candidates with the skill sets needed for a specific development project.

    "Their willingness to learn constantly is commendable."

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  • 27
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Spiral Scout is a full-service software development company based in San Francisco with offices in Europe. Since 2010, the company has collaborated with a wide range of clients, from back-of-the-napkin startups to Fortune 100 companies including Zoom, Coca-Cola, Made In Cookware, Consensus, Adobe, and P&G. While Spiral Scout does all kinds of custom software development, including product strategy, product design, full-stack engineering and digital marketing, eCommerce is a huge percentage of the company's DNA, and Shopify represents about 70% of that eCommerce work.

    Clients

    • Zoom
    • SoFi
    • Coca Cola
    • Proctor & Gamble

    Industries

    Notable Project

    Spiral Scout has created an e-commerce platform for an online funeral services company. The site has various integrations and detailed workflows to allow clients to make funeral arrangements online.

    “Although Spiral Scout is very quick to understand, their moves and processes are very deliberated.”

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  • 28
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 50 - 249 employees
    • Warszawa, Poland

    Founded in 2003, createIT.com is a software development agency that offers custom software development, web development, and UX/UI design services to their clients in the e-commerce, gaming, and business services industries.Their 50 employees are based out of Warsaw.

    Clients

    • LionLine Entertainement GMBH
    • cgrd GmbH
    • PKO BP Bank
    • ADP Polska

    Industries

    Notable Project

    createIT created a WordPress and WooCommerce plug-in for a price monitoring company. They integrated functionalities such as verification of ID names, report generation, and a contact form.

    "They were always open to implementing changes."

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  • 29
    • $25,000+
    • 50 - 249 employees
    • Kraków, Poland

    Pragmatic Coders is a software development house located in Warsaw and Krakow, Poland. Founded in 2014, the employ        43 staff who specialize in fintech, blockchain, and cloud software development, working with a range of small, midmarket and global businesses. Services include UI and UX design, custom software development, trading platforms, and investment solutions.

    Clients

    • Atom Bank
    • Kitopi
    • WithHealth
    • Bloc-X

    Industries

    Notable Project

    A travel agency hired Pragmatic Coders to build a service management system and a sales management app.

    "It was a fascinating collaboration."

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  • 30
    • $10,000+
    • 50 - 249 employees
    • Rzeszów, Poland

    Concise Software is a blockchain and software development company based in Berlin, Germany with an office in Rzeszów, Poland. Founded in 2011, the team of 43 specializes in blockchain, mobile app development, and custom software development. They work primarily with midmarket clients, in the business services, automotive, and consumer products and services industries. 

    Clients

    • Red Bull
    • Ubitricity
    • Ars Electronica
    • Panasonic

    Industries

    Notable Project

    Concise Software has developed a back-office system as a web app for an international bank. The team has also built an educational website, automated processes, and implemented a Blockchain meetings solution.

    “They’re much better than other development companies I’ve worked with.”

    Visit Site

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