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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

Where science and technology work for you. At Abto Software, we harness the power of cutting-edge technologies to deliver custom solutions tailored to your business needs. As a Microsoft Gold Certified Partner, we specialize in areas like . NET development, AI and machine learning, cloud solutions, mobile and web development, and legacy system modernization. Since 2007, our team has successfully delivered over 50 enterprise-level projects across industries such as healthcare, retail, FinTech, energy, and government. Our expertise spans from building scalable cloud-native applications to deploying AI-powered tools that streamline operations and enhance decision-making. Key achievements include crafting healthcare platforms that improve patient outcomes, developing AI-driven recommendation engines for retail, and migrating legacy ERP systems to modern architectures. What sets us apart is our client-first approach—we listen, collaborate, and deliver solutions that drive measurable results. Whether you're a startup or an established enterprise, we ensure transparency, flexibility, and technical excellence in every project. Let us transform your vision into reality. Partner with Abto Software to elevate your business through innovative technology.

We are a dedicated team of IT professionals based in Ukraine, with over 3 years of experience in providing innovative technology solutions to businesses worldwide. Our journey began with a passion for harnessing the power of technology to drive progress and streamline operations for our clients. Today, we are proud to be a trusted partner to organizations across industries, delivering cutting-edge software solutions and IT services that make a difference. What We Do Best:Custom Software Development: We specialize in building bespoke software tailored to your unique needs, ensuring seamless integration with your business processes. Web & Mobile Development: Our team creates high-performance, user-friendly websites and mobile applications that provide exceptional experiences for your customers. IT Consulting & Strategy: Leveraging our deep industry knowledge, we guide in selecting the right technologies, developing efficient IT strategies, and optimizing existing systems. At FixIT, we are driven by a relentless commitment to excellence and a passion for helping our clients succeed in a rapidly evolving digital landscape. Our team is dedicated to staying ahead of the curve, continuously learning, and adapting to new technologies to ensure we provide solutions that drive lasting success.  

DevIT Group is a Ukrainian company with over 11 years of expertise in the web industry, specializing in e-commerce solutions. E-commerce is our core focus, and we pride ourselves on knowing the industry inside out. Whether it’s custom app development, advanced integrations, or creating seamless online experiences, we have the skills and experience to bring your vision to life. 🏆 Shopify Partner since 2015💻 150+ passionate experts 💪 🔧  9 own Shopify Apps🌎 Over 550 successful projects for clients worldwide. With a global client base and a proven track record, we’re ready to take on your project and help your business thrive. 💬 Curious or have a project in mind? Drop a message.

An extra mile for your business. Luxnet has been delivering commercially successful products for nearly a decade. We are aware of the importance not only of creating but of launching a successful product. Also, we understand the complexities during the process of its growth and are always here to provide support. Our strengths are tech solutions for media businesses, video live streaming and enterprise solutions. Luxnet specializes in full-cycle software development. Our technical expertise covers Java, NodeJS, PHP, JavaScript, Angular, Flutter, Ionic, etc. Our services: Web development Custom web development Mobile development MVP UI/UX DevOps Technology expertise: Java PHP NodeJS, Angular, Vue, TypeScript Ionic, Flutter for cross-platform apps SQL/NoSQL DB's

Creative studio of brave ideas, people & solutions. twid is a creative studio of brave ideas, people, solutions, and clients. We create love around brands and help them to stand out. Our solutions are always based on a deep understanding of the market, competitors, and audience. This allows us to grasp people's attention and arouse strong emotions. Here's what we can do for you: 1. Brand strategy It consists of market research, the study of competitors, products, and customers. In the end, you get a brand positioning model and an understanding of how your product/service differs from competitors. 2. Visual identity Includes a design system and everything that will help clients recognize you: from logo and colors to social network content and merch. 3. Website and mobile app development We have extensive experience and an impressive portfolio in this field. Our solutions include presentation websites and complex e-commerce solutions built from scratch. 4. Communication strategy We find insight and shape the brand's communication based on desk research and interviews. We show how creative ideas are distributed through different channels to provide a coherent impression. 5. Ad campaigns It will allow you to speak out loud and develop your brand. Our team leads ad campaign production at all stages: from creative ideas and video production to further distribution. Additionally: naming, copywriting, sound design, 2D/3D graphics animation, and product packaging design.

A human-oriented software development company. We care your customers' needs are met while you have a great project-flow experience with us—from investigation and development to post-release support. Since 2013, we have grown to a team of 120 devoted professionals and delivered over 300 projects for 17 markets worldwide. How it works? Discovery phase, which includes market research, competitive analysis, target audience analysis, and positioning Design. Thinking sessions and Empathetic interviews with your future customers Architecting, Prototyping and Design, UX/UI Engineering Testing Release Support Post-release support Your idea is matured, gets real, and thrives. Truly an unforgettable experience. Get the IT solution that achieves your goals and enjoy how your idea is coming to life.

Achieve Unparalleled Business Success with Customized Web | Mobile | AI SolutionsFounded in 2015 by a visionary team of 15 strategists, Requestum has grown into a dynamic community of experts dedicated to reshaping the digital landscape and transforming bold ideas into powerful solutions. Today, we boast a team of over 100 professionals, working with clients in 20 countries on 50+ diverse products, earning industry recognition. What Sets Us Apart?Results-Oriented Solutions – We develop future-ready solutions that address critical business challenges and drive measurable success. Strategic Approach & Innovation – Our team applies analytical thinking at every stage, ensuring optimal development efficiency and effectiveness. Uncompromising Quality – We adhere to rigorous standards, delivering reliable, high-performance software that exceeds client expectations.

Software development services that deliver value. At Clover Dynamics, our mid-to-senior developers and subject matter experts drive full-cycle product development excellence, all backed by a 1-year warranty. Benefits for our Client ✓ 1-year warranty to ensure that our client's products perform well long after the launch. ✓ Unique AgilePulse™ methodology, ensuring on-time, complete, and high-quality delivery. ✓ Code quality - we follow CISQ, and ISO5055 standards and use Sonar, Github Copilot and Linters to ensure high code quality ✓ On-time product delivery - otherwise we pay a fee ✓ Cost-effectiveness through Customized Pricing - for our Clients' convenience Time&Material /Monthly fixed payment/ Fix-Price available. ✓ Fast project kickoff with an expertly vetted & efficient engineering team composition. ✓ Swift Team setup / Team Extension, starting from 3+ weeks ✓ Regular demo, reports to make our Client feel confident that everything is going fine with a product development. ✓ Friendly and Transparent Communication with Clover's Top Management and Team. ✓ Outcome-Oriented Culture Services ✓ Custom software development (Web & Mobile) ✓ Team extension & staff augmentation ✓ R&D and Discovery ✓ Architecture design ✓ UX-UI design ✓ Project management ✓ Quality Assurance & testing ✓ Maintainance after Product Launch Expertise ✓ Browser extensions ✓ Real-time communication (Chat & Messaging apps, Audio & Video calls) ✓ FinTech ✓ AI & Machine Learning ✓ WebRTC ✓ Marketplaces & Match-making platforms ✓ Document management systems ✓ Financial management systems ✓ End-to-end encryption ✓ E-commerceTech

We treat customer projects as our ventures SPsoft is a Managed Services Provider specializing in end-to-end software development and providing top engineering teams for various aspects of software lifecycle management. Our health-tech and medical device clients recognize SPSoft as their trusted technology partner and advisor with deep experience in HIPAA compliant products and custom solutions development. Our experience includes: healthcare big data visualization, claims processing, SaaS platforms covering patient-payer-provider interactions, telemedicine solutions, patient-provider scheduling solutions with numerous EHR systems integrations, cloud migration, solutions for biotech, clinical trial processes automation, medical device software, machine learning, chatbot/smart assistant, RPA, blockchain, and automated testing solutions. We deliver value to our customers by getting them to the top of leaderboards in their product market niches, optimizing our clients' users' experience, increasing the LTV of our client’s users, and accelerating our clients' product roadmaps. We treat customer projects as our ventures — we do what is best for our clients' business, not what is most profitable for us in the short term.

Python, Django, DevOps and JS Experts Quintagroup is a professional team of experts that provides consulting, Python/DevOps/JS custom software product development to organizations interested in deploying web-based solutions on the base of an open platform. Python development, Django development, SaaS development Cloud/AWS/DevOps (Ansible, Docker, Terraform, Kubernetes, etc) Python e-commerce with Django Oscar and Saleor multi-vendor marketplaces, multi-tenant e-commerce solutions Auction development (Reverse, Dutch, English, etc), custom auctions software Public Procurement, Open Procurement solutions API development and automated testing Plone development, Plone hosting Pyramid development Odoo / OpenERP development Responsive Plone Themes Responsive Web design Mobile web applications UX/UIs.

Link The World To Digital. We are a leading software development company based in Ukraine, specializing in delivering tailored software solutions and top-notch IT consulting services globally. Our expert technical team, headquartered in Kyiv, consists of highly skilled web and mobile developers, inquisitive business analysts, talented UI/UX designers and QA engineers, and dedicated project managers. As a software outsourcing company and web development agency, we thrive on unlocking new opportunities for start-ups and establishment businesses that are looking to drive innovation and growth. Our main values are high-quality work, agile development methodologies, and excellent communication with clients at all stages of work. We assist our clients in achieving digital transformation by serving as a strategic partner, which results in the enhancement of their products, acceleration of service delivery, optimization of operational efficiency, and expansion into new markets. We are rapidly implementing AI and machine learning solutions into our clients' products and evolving as an AI development company. Our services include: Discovery stage (Business analysis) UX/UI design Mobile App Development Web App Development QA and testing DevOps IT consulting Our holistic approach ensures that we address every aspect of your project, from concept to deployment, to provide you with the most effective digital solutions. Proudly recognized as an Upwork Top Rated Agency, we've consistently proven our commitment to delivering excellence and innovation in every project we undertake.