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Leobit is a full-cycle . NET, AI, and web application development provider for technology companies and startups primarily located in the US, EU, and the UK. We have representative offices in Austin, TX (USA), Tallinn (Estonia), Kraków (Poland), London (UK) and the development center in Lviv (Ukraine) with 170+ talented software engineers, architects, QA experts, and UI/UX designers. Our Achievements:Microsoft Solutions Partner - Digital & App InnovationISO 9001:2015 and ISO 27001:2022 CertifiedISTQB Gold PartnerTop . NET Developers in 2025 by ClutchCustomer Service Department of the Year in 2025 by Stevie® AwardsLeobit has successfully delivered over 150 well-designed and well-factored web & mobile applications to technology companies ranging from Fortune 500 firms to Silicon Valley startups. Our Services:. NET software developmentAI/LLM software developmentCustom software developmentDedicated development teamWeb app developmentMobile app developmentCloud developmentSoftware architecture designUI/UX designBusiness analysisQuality assuranceApp support & maintenanceTechnology consultingOur Key Technologies:Microsoft Stack: . NET, ASP. NET, C#, Azure, WCF, Entity Framework, MaUI, BlazorWeb/Frontend: React, Angular, Vue, jQuery, TypeScriptBackend: . NET Core/C#, Ruby, Node, PHP, PythonMobile Technology Stack: iOS, Android, Flutter, Swift, KotlinAI integration

Uptech is a mobile and web development company where ideas and expertise meet to become great software solutions. We help aspiring startups, and well-established businesses bring their bold ideas to life and launch mobile and web apps. Over more than 8 years of work, we've worked with some of the innovative companies, including Aspiration, Dollar Shave Club, Drone Base, Yaza. We've seen our clients grow from small startups to scalable companies – and celebrated every victory with them (and our clients raised $2. 2M 🚀)Our mission is to build successful software solutions that make a change in people’s lives. And we dare to make a change with you!By working with us, you not only get a 5-star product. You get- smooth communication & full support,- transparency of all processes,- a proactive experienced team,- an outside perspective view of the product, and- openness.  What services we provide:Discovery Stage (Business analysis)UX/UI DesignMobile App DevelopmentWeb App DevelopmentCustom Software DevelopmentWebsite DevelopmentStaff AugmentationOur technology stack: Kotlin, Java, Swift, React, Node. js, AWS. To know the price and duration of development, contact us at hello@uptech. team. We will specify the features of your app and provide you a full time&cost estimate.

Your reliable web/mobile development partner InventorSoft is a Ukrainian web and mobile development company that provides top-tier, pre-selected developers tailored to your specific needs as a SaaS company. Whether you're scaling from an MVP to a full product or preparing for acquisition by the largest organization, we help drive growth by hiring the best talent for your project. Our developers are highly skilled in core technologies and have expertise with AI tools like GitHub Copilot and OpenAI, allowing us to deliver projects up to 20% faster than competitors. ⭐ Our professional developers are experts in: Artificial Intelligence Java Angular Node. js React. js Vue. js Ruby on Rails . NET Design (mobile/web) Inventorsoft provides a perfect combination of: 1) Transparency 2) Quality recruitment selection 3) Trial Period Our company is not just a performer, but a reliable partner, which is why we have established and maintained successful long-term relationships with many clients, which we are extremely proud of. We are responsible for our actions and customer feedback because we value our reputation and clients. Why us: 10 years of expertise and spotless reputation 45+ SaaS active clients 40+ feedback on our work 30 own completed academies in different directions Our main industries Healthcare Data Analytics Supply Chain Fintech E-learning Renewable energy So, if you need high-quality product development, contact us!

Linkup Studio is a full-cycle digital product development company with 11 years of market experience. We specialize in software design, development, management, and marketing. Founded in Lviv, Ukraine, our main operations are now based in Wroclaw, Poland, with representatives in Tallinn, Estonia, and New York, USA. Over the past eleven years, we have worked in more than 35 countries and successfully completed over 150 projects worldwide. We’ve collaborated with renowned brands such as Porsche, TATA, BOSCH, FreeStone Group, and Reverso, earning top design and software awards. Linkup is part of InSoft Partners, a group of companies with over 1,000 talented professionals operating globally.

TRANSFORM YOUR PRODUCT’S TECH FOUNDATION. PERFORMANCE. SCALABILITY. USABILITY.

Intellectsoft is a digital transformation consultancy that provides cutting-edge engineering solutions for global organizations with the mission to help enterprises accelerate the adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation. Intellectsoft has been named as Top Custom Software Development Company in 2024 by FirmsTalk, Top App Development Company in 2024 by Business of Apps and received over 16 awards in 2024 alone. The Company’s services portfolio offers strategic IT consulting, CX design, development, and full lifecycle management of custom software products and applications, and system integration. Whether it is a consumer-oriented app or a transformative enterprise-class solution, the company leads the process from ideation and concept to delivery and provides ongoing support through its IS360 framework.

itjet is a full-cycle development and design agency that helps startups, scale-ups, and businesses transform ideas into powerful digital solutions. From concept to launch, we handle your mobile app, website, or platform with seamless ease: - fully transparent processes, - regular reports and detailed progress tracking, - easy communication, - completing tasks on time. We are here to turn your ideas into reality!

Software Development Company IT Prosteer is a team of individuals. Some of us are tech-savvy, some are creative and some are work junkies. We all are different with different hobbies and views on life, but one thing unites us and it's — passion in our hearts, to support businesses in developing world-changing software products. Solutions we provide: ✔ R&D team expansion ✔ PoC & MVP development ✔ E-commerce development Our values: Commitment Accountability Simplicity Why ITProsteer? ✔ Proven portfolio of success ✔ Wide business domain expertise ✔ Constant investment in our skills We intend to reduce the risk of launching and operating your project by leveraging software design & development possibilities to increase the chances of success. Your ideas deserve proper implementation by people who love their job so feel all the advantages of IT outsourcing with ITProsteer!

Scimus is a Trusted Web Development & Quality Assurance Company. We offer customized software development and QA services that power your company's operations. As industry professionals, we leverage our expertise to build full-cycle scalable web and mobile solutions that help you navigate advanced digital transformations.  Main services we offer :WEB DEVELOPMENT: Redesigning and building flawless websites is our forte. With unfailing commitment, our expert team will create customer-centric, intuitive, and responsive websites that help your company achieve tangible results.  WEB APP DEVELOPMENT: We deliver dynamic and feature-rich applications tailored to your business needs. Our specialists will harness the power of Reactjs/Vue/Laravel/Symfony/NodeJs to build robust applications that address your specific challenges.  MOBILE APP DEVELOPMENT: We have a wealth of experience building high-performing iOS and Android mobile applications. We guarantee user satisfaction with a specific focus on design, robustness, usability, and accessibility.  HARDWARE: We have experience building code that communicates with the hardware and makes our customers' lives easier and more convenient.  SOFTWARE TESTING AND QA SERVICES: Identify bugs and errors in your applications through our quality assurance services. We leverage cutting-edge technologies, taking a robust end-to-end testing approach to ensure the application functions effectively and efficiently.

Scelex is a software and service technology company. We deliver tailored software solutions through a dedicated end-to-end development process, utilizing the latest technologies to address the distinct needs of each client. We've brought together all the best practices and ideas, that we discovered while working in large IT-corporations, to create a unique company, that will satisfy clients' business needs and produce high-quality solutions.  Scelex's mission is to empower businesses through innovative technology solutions that enhance efficiency, drive growth, and create competitive advantages in the ever-evolving digital landscape. Our expertise includes:- Serverless Architecture- Frontend Development based on React- Backend Development based on Node. js- Mobile Development based on React Native for both iOS and Android devices- Amazon Web Services (AWS)- DevOps Engineering- UI/UX Design- Quality AssuranceWe are eager to collaborate with you and help transform your ideas into leading products. Contact us to discuss how our expertise can contribute to your project's success.

Allzap is a Ukrainian IT company that has been developing digital solutions for the automotive market since 2017. We are a team of 10 specialists building software products for businesses engaged in selling auto parts, importing cars from the USA, logistics, and related services. Our Experience:Over 9 years of expertise in developing specialized Automotive software. A DIIA. City resident, confirming compliance with modern IT business standards. Creators of two commercially successful CMS products used by hundreds of companies. Our Core Products:Allzap CMS – a ready-to-use platform for online auto parts stores. It features VIN-based search, supplier integration, API access, SEO, and marketing modules. Currently used by 1,000+ clients. Allauto CMS – a solution for companies selling cars from Copart and IAAI auctions. Includes automated benefit calculation and price comparison between the US and Ukrainian markets. Our Specialization:Development of turnkey digital products for the automotive industry. Automation of complex business processes (large databases, pricing engines, integrations). Long-term client support and continuous product development.  We are open to collaboration with international partners seeking a reliable technology provider in the automotive segment.

Fintech Software Development Services. Product Oriented Engineering Culture. Kindgeek is a one-stop-shop product development company that illuminates how finance companies can reach their full potential with digital solutions. More than 200 companies have trusted Kindgeek to build their MVPs, products, and scale engineering teams. From ideation to deployment and beyond, we guide through the whole process of developing fintech products. We build custom solutions from scratch and have white-label solutions that save time to market while resolving core business needs. Our Integration Hub unites fintech leaders, aligning solutions with unique needs. Embrace AI, open banking, chatbots, BNPL, core banking, and WEB 3. 0 through our expert approach. We constantly leverage new technologies and grow into a fintech product and services ecosystem while building long-term partnerships based on trust and collaboration. Looking for a software development partner? Tell us about your project.