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We tech your business with the perfect solutions. Perfsol is a software development company that designs, builds, and delivers products of world-class standard for Fortune 500 companies and promising startups. We provide software development teams of the best engineers worldwide. Key clients: Urban Dictionary, Facebook, Allego, MXNEY With over a decade of experience in technology, design, and product development, we’re experts at delivering digital solutions that have a real, demonstrable business impact for our partners. Core Services: Web Development UX/UI Design Mobile App Development Product Management DevOps When do clients need us? Extend in-house team Build MVP from scratch Launching products Redesign the design of the existing app Why us? 📌 We don't mimic technical expertise. 📌 We make IT understandable for non-IT professionals. 📌 We play transparently and for the long term. 📌 We integrate into processes, explore, and improve systems. 📌 We analyze, advise, optimize, and implement solutions for business automation. 📌 We analyze, advise, and implement solutions for business automation.

We're a group of professional software addicts. The harder challenge infuses more dopamine into our brains. We see no life without coding because of the programming gene that lives in our DNA. We are software positive!We specialize in crafting bespoke software and building high-performing development teams tailored to your unique needs. Whether it is e-commerce platforms, custom ERP and CRM systems, business automation tools, or engineering software, we have got you covered.

At Blackbird, we empower startups to thrive. Specializing in Seed and Series A companies, we extend runways by enabling engineering teams to focus on growth-driven features while we take care of everything else. With offices not only in Ukraine but also in Colombia, Spain, and Poland, we bring deep expertise in SaaS, cloud-native products, frontend applications with React, and both native and cross-platform mobile apps—all within a fast-growing tech ecosystem that operates with zero downtime. Want to know how we can help? Reach out! Our team will conduct a comprehensive tech assessment and present tailored options to elevate your startup to the next level.

ELITEX. Beyond expectations. Since 2015, we have been successfully delivering projects, as well as building engineering teams for our customers from the USA, UK & EU. We have delivered for companies in FinTech, News & Media, Content Management, E-learning, Property Management, Telecommunications & E-Commerce. We hire only the best talent. Our experts have experience writing software for Fortune 500 & Fortune Global 500 companies. ELITEX mission is to build a lasting partnership with every customer, based on strong expertise, attention to details, efficient communication, and mutually beneficial collaboration. Our approach results in synergy between the customer and our team. This makes us successful.  

Prozorro. Sale - Ukrainian state eAuction ecosystem for selling and leasing government and municipal assets transparently and efficiently. It is Open-Data, Open-Source, and Public-Private (government core + private eMarketplaces). In 9 years this digital one-stop-shop generated over USD 3. 5 bln for the national budget in a transparent and efficient way. The platform complies with GovStack *E-Marketplace* Building Blocks requirements, ensuring interoperability with government digital service ecosystems.

Creating software for financial industry. devspiration helps financial services organizations to build custom software solutions based on Microsoft platform. We create web applications and enterprise software using Microsoft . NET ecosystem, Microsoft Azure, Node. JS, Angular, React.

JobAtlas is an AI-powered career guidance and talent development platform helping organizations modernize their HR and workforce planning strategies. We specialize in creating personalized tools for employee development, career pathing, talent assessment, and internal mobility. Combining behavioral science, psychometric insights, and cutting-edge AI, we help companies unlock potential at every stage of the employee lifecycle. JobAtlas stands at the intersection of workforce development, education and AI innovation. We’re not just a tech vendor, we can be your strategic partner in building future-ready HR ecosystems. Our solutions are data-driven, easy to integrate, and tailored to local markets. Whether you’re scaling your HR tools or empowering career planning across departments, we bring deep expertise in AI, behavioral tech, UX, and scalable backend architecture.

Reenbit is a сlient-focused software development company based in Eastern Europe. We stand out from the crowd because we're a solution partner ready to take customer challenges head on. We propose profound technical expertise and can work within any models that fit our client's needs, offering a dedicated team approach or staff augmentation. Our core specialities are software development and cloud consulting. Additionally, we offer mobile development, quality assurance, business analysis and business intelligence services. Cloud engineering services:Cloud consultingCloud developmentData engineeringSecurityDevOps maintenance and supportSoftware development services: Web developmentBack-end developmentFront-end developmentSaaS developmentDatabase consultingPOC, MVP, Prototype improvementWe are experts in the following technologies and tools:. NET: . NET Framework, . NET CORE, . NET 5/6, ASP. NET/CORE/MVC/Web Forms, Razor, Blazor, Entity Framework/Core, Web API, Roslyn. Azure: App Services, Function Apps, Logic Apps, Virtual Networks, Application gateways, Storage Accounts, Notification Hub, SignalR, Azure SQL, SQL Elastic pools, Data Factory, Event Hub, API Management, Service Bus, Azure Active Directory, Key Vault, Application Insights, Azure Cosmos DB, ARM Templates. Database: MS SQL, MySQL, PostgreSQL, Maria DB, Mongo DB, Cosmos DB, Azure Table Storage,  Redis DB, Azure Data Factory. Data Engineering: Power BI, Azure Data Factory, Azure Data Lake. CI/CD: Azure DevOps, Docker, Kubernetes, Github Actions, Jenkins. Cross-platform mobile development: React Native, Ionic. WEB: Angular, React, Node. js. Reenbit. Superior technical solution delivery to businesses on the verge of transformation.

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

Avenga is an international consultancy and technology partner delivering unique solutions that solve complex business and societal challenges. With 6000+ specialists they operate globally and provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and UI design, managed services, product development, and software development. Avenga serves a wide range of industries, from telecom and satellite operators to banking, manufacturing, automotive, mobility, and healthcare - driving their AI-first transformation.  Their AI capabilities are embedded across all offerings, enabling organizations to drive intelligent automation, accelerate decision-making, and deliver highly personalized user experiences. Avenga is a part of the technology pillar within the family owned KKCG Group.  

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We engineer software with Radical Efficiency. Radency provides full-cycle development services covering every aspect of building digital products. The solutions we engineer range from customer-facing mobile apps, to complex web applications. Here’s what our clients appreciate the most about Radency: ✔️ Engineers selected from hundreds. Radency engineers go through rigorous selection and our competitive in-house training and certification program. ✔️ Result Focused, not Hours Focused. We achieve maximum efficiency through expert development and a reliable process of continuous iteration and communication. ✔️Dedicated product teams. We build an expert team around each project. The team is solely committed to one product and works directly with a client over a long-term period. Services we provide: - Custom Software Development (Web & Mobile) - Team extension & IT Staff Augmentation - UI/UX Design - Quality Assurance