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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

Our teams work best as single product engineering units, with goals such as growing an MVP towards product-market-fit, scaling technically and product-wise, or acting as R&D teams within larger companies building product MVPs or pivoting. WHY REBBIX TEAMS ARE EFFECTIVEStrong engineering managersTrack record in building successful online marketplaces and travel productsCo-located teamsResults-oriented cultureOUR EXPERTISEEngineering managementSoftware developmentGrowth & SEOProduct designProduct managementSRE & DevOpsData Analytics

You’ve got the strategy. We turn it into working solutions. For 20+ years, Sigma Software has worked with Fortune 500 companies, global vendors and technology start-ups. Our mission is to help innovation leaders move critical initiatives forward by aligning teams, systems, and priorities. With 1,800 engineers in AI, data, cloud, embedded, and cybersecurity, we deliver solutions that scale and last, with ISO-certified quality, security, and compliance embedded from day one. Strategic Initiatives we support:AI Adoption – use AI where it brings tangible value, starting from first pilots and scaling to wider use. Digital Product Innovation – create new software or add digital layers to existing products and services, built with security and compliance in mind. Experience Design – shape journeys across apps and portals so users reach the right outcomes with less friction. Regulatory Compliance – navigating the regulatory landscape complexity and translating standards into working processes for audit-ready operations. Operational Efficiency – replace slow or manual work with modern, automated solutions that cut cost and effort. Managed Services – ensure stability, security, and uptime without draining internal teams. Our work goes beyond solution delivery. Sigma Software Labs works with startups to shape and test new ideas. Sigma Software University not only grows future engineers but also helps our clients build internal capabilities through tailored literacy programs and training. Our R&D teams experiment with emerging technologies early, so when they become relevant, our clients can adopt them faster and with less risk. Together, this cycle of delivery, learning, and exploration makes us better partners and strengthens the outcomes we deliver.

Full-Cycle Software Development Company,Since 2000 Established in 2000, DevCom is a full-cycle custom outsourcing software development company. DevCom handles project development throughout the entire lifecycle: starting with strategic planning, through application development and quality assurance, to technical delivery, production maintenance, and support. Services: Custom Software Development Web / Desktop / Mobile Development Dedicated Development Teams IT Support Testing / QA Expertise: Cloud (AWS, Azure) DevOps SaaS API App Re-Engineering Custom Business Management Systems, CRM/ERP Databases Business Intelligence Industries: Logistics and Transportation Healthcare Finance Nonprofits Construction and Engineering Retail and E-commerce Sport and Entertainment

Beetroot is a tech ecosystem of several companies working together to create positive impact at scale through software development and tech education. Combining Nordic business values and global tech specialists, we provide a wide range of tech services: development teams, cloud solutions, app development, and tech upskilling for teams and individuals. Founded in 2012, Beetroot has offices in Sweden, Ukraine, Poland, Bulgaria, and Vietnam.  

Coderfy, a bespoke software development company, specializes in crafting tailored solutions for diverse industries, including web and software development, quality assurance, UI/UX design, and advanced ChatGPT chatbots. Based in Ukraine, USA, and the UK, we provide cost-effective and timely solutions, seamlessly executing projects aligned with your strategic goals. Experienced in: Custom Software Development🚀💻: We create scalable, robust, and tailor-made software solutions that drive efficiency and growth for businesses of all sizes. Web Design and Development🎨🌐: Our team of expert designers and developers craft stunning websites and web applications that leave a lasting impression on users while delivering exceptional functionality. Mobile App Development📱✨: We excel in developing feature-rich mobile apps that cater to diverse platforms, ensuring seamless user experiences. IT Consulting🤝🔍: Our seasoned consultants provide strategic guidance to help clients leverage technology for competitive advantage, offering insights that align IT with business goals. Custom ChatGPT chatbots🤖💬. Leveraging OpenAI's advanced language models, we design and develop custom ChatGPT chatbots that enhance customer engagement, streamline operations, and provide valuable assistance on your website in 24 hours. Stack Programming Languages📝💻: JavaScript, TypeScript, PHP Frontend🖼️🌐: React, Angular, Next. js, Nuxt. js, Vue. js, HTML/CSS/JS + JQuery, Bootstrap, Tailwind, yii2 Mobile App Development📱🚀: React Native, Flutter Backend⚙️🔧: Node. js, Express. js, Nest. js Databases🗃️🔍: MySQL, MongoDB, Redis, Firebase DevOps and Repositories🛠️🔄: Linux Repositories, Docker, Kubernetes, CI/CD, Git, Gitlab, Github Other Technologies🌐🔧: Nginx, Strapi, Sendgrid, Postman, Twilio, REST API, WebSocket Choose Coderfy for a customized approach to software development that's "Half the price & Faster twice!"

Ukrainian tech agency simplifying business life & empowering brands using the latest echoes of ChatGPT/AI, AR/VR, web&mobile. Among our clients: -Ministry of Digital Transformation, -AZOV, -National Police, -Ukrzaliznytsia, -Intensfit.  Our core tech. stack: Laravel, Symfony, React. js, React Native, CMS WordPress, integration of ChatGPT AI models. Share your "echoes" of project with us and let's create something great! 

Software engineering and IT consulting Yalantis is a distinguished software engineering and IT consulting company with over 15 years of experience, boasting ISO 9001, ISO 27701, ISO/IEC 27001 and AWS certifications. With a network of development centers spread across Europe and a team of over 500 highly qualified experts, we are well-equipped to deliver exceptional solutions. Our esteemed clientele includes industry leaders such as Toyota Tsusho, Bosch, Zillow, KPMG, Google X, RAKwireless, Orbis Systems, and Healthfully. Our expertise spans IoT, AI and ML, BI and Analytics, Big Data, Data science, Cloud & DevOps, Cybersecurity, Performance engineering, RPA, Low code solutions, UI and UX design, Edge computing, and more. We cater to a diverse range of industries, including Energy and resources, Fintech, Healthcare, ISVs, Logistics, Manufacturing, Real estate, and Automotive. Our comprehensive suite of solutions encompasses SaaS development, end-to-end business solutions, digital transformation, mobile software products, communication tools, and blockchain integration.

Blackthorn Vision is a software development company that specializes in creating custom solutions to meet any business needs. Founded by a team of experienced engineers, we’ve been providing our services since 2009. We are dedicated to helping companies bring their ideas to life and embrace innovations. Our team is focused on delivering quality products and supporting clients at every stage of their project’s lifecycle – from product discovery to implementation to post-launch optimization. Blackthorn Vision is there when you need us most. Reach out today and start making your vision a reality tomorrow!

Aimtraction: Pioneering Data-Driven Business TransformationOur Journey: Founded on the principles of innovation, integration, and automation, Aimtraction has evolved from a traditional outsourcing firm to a forefront of digital transformation. Over the years, we've developed a deep understanding of the challenges businesses face and have adapted our solutions to meet these needs effectively. What We Do:1) Data-Driven Integration: We specialize in integrating complex business processes with modern technology, using data as the cornerstone of all decision-making. Our integration solutions are designed to streamline operations, reduce redundancies, and enhance efficiency. 2) Innovation: At Aimtraction, innovation isn't just a buzzword—it's a business practice. We employ the latest technologies, such as Odoo and WSO2, to develop cutting-edge solutions that keep our clients ahead of the technological curve. 3) Automation: We automate critical business processes to ensure accuracy, speed, and cost-efficiency. From simple tasks to complex operations, our automation strategies free up valuable resources, allowing businesses to focus on growth and expansion. Key Achievements:1) Customized Business Solutions: Custom solutions that have consistently driven growth, efficiency, and scalability for our clients, transforming their operational landscape. 2) Expertise in Leading Technologies: We advocate the use of open-source platforms like Odoo and WSO2 because the solutions you need should have been operational yesterday. By harnessing these established tools, we can rapidly deploy robust solutions that merge seamlessly with third-party systems. This approach allows us to deliver immediate success, and only after proving its large-scale viability do we consider custom rewriting. This strategic adaptation enables you not only to utilize the solution effectively but also positions you to potentially sell the bespoke version in the future. 3) Industry Recognition: Our innovative approach has earned us recognition and trust across multiple industries, solidifying our position as a pioneer in digital transformation services.  

Cody Solutions - Increases revenue per employee by business process automation, offering end-to-end services from process mining to custom AI, RPA and IoT solutions. We help businesses boost efficiency, cut costs with seamless technology integration across industries like logistics & inventory, healthcare, retail, and education.  

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.