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As a web development professional since 2007, I bring a wealth of experience in building and designing high-load systems. I've had the privilege of working on projects for world-class companies, where I've honed my skills in creating scalable, robust solutions. My journey has been one of continuous learning and growth, tackling diverse challenges in web development and delivering exceptional results. Let’s collaborate to bring your project to life with a reliable, experienced approach tailored to your unique needs.

We provide certified experts in React, Node, and React Native. But that's just the beginning of what we offer. At koitechs, we pride ourselves on having a diverse team of developers with varying skill sets to match the specific needs of each project. Our extended hours support ensures that we are available to address any concerns or questions you may have outside of the standard working hours of the developer. With several managers available 16 hours a day, we are dedicated to providing consistent and reliable communication for <CET/PDT> time zone.  One of our key strengths is our Quality Assurance process, which starts during development. Our developers utilize QA techniques to identify and eliminate most bugs before the feature even reaches the client or QA engineer. In difficult situations, our in-house developers are always available to assist one another, ensuring timely and high-quality delivery.

Founded in 2015 and based in Kharkiv, Ukraine, CleverCrew is a bunch of tech enthusiasts who love building web and mobile apps. We handle everything from the ground up and stick around for the long haul to make sure things run smoothly. We are really into turning big ideas into software that works seamlessly.

 We are SP-Lutsk LLC, a Ukrainian IT company headquartered in Lutsk. With a team of 30+ professionals, we help businesses worldwide automate processes, reduce costs, and launch scalable digital products. Our mission is to turn ideas into reliable, future-proof software solutions.   Our ExpertiseWeb Development — modern, scalable web solutions with React, Next. js, Django, Node. jsMobile App Development — high-performance iOS & Android appsUI/UX Design — intuitive and user-centric digital experiencesQA & Testing — comprehensive functional and UX testingCybersecurity — full-stack protection of apps and dataAutomation & Integrations — system integration, workflow optimization, trigger-based systemsDevOps / DevSecOps — CI/CD pipelines, cloud (AWS, Kubernetes, Docker), Infrastructure as Code   Experience & AchievementsDelivered 50+ projects across e-commerce, SaaS, logistics, and warehouse managementBuilt SKUdrop (e-commerce/logistics), optimizing international shipping and order managementDeveloped SaaS products such as QRCodeveloper, AI Excel Bot, and JustHeadshots. ai used by clients all over the worldEstablished global collaborations with partners in the US, Australia, EU and Asia   Why Clients Choose UsTailored approach: solutions aligned with specific business goalsTransparency: regular reporting, demos, and open communicationFlexibility: Agile methodology and fast adaptation to changesQuality focus: code reviews, testing, and technical debt managementLong-term support: post-launch maintenance, optimization, and scaling  We don’t just deliver tasks — we aim to become your trusted technology partner.  

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.

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!"

Cleveroad is a forward-thinking custom software development company dedicated to delivering exceptional services across diverse business sectors, from audacious startups to established enterprises and private clients. With a deep understanding of the IT landscape, we specialize in crafting top-notch products driven by the extensive expertise of our senior IT professionals. At Cleveroad, we prioritize quality, security, and technical excellence. We are proud to be ISO 9001 and ISO 27001 certified, demonstrating our commitment to stringent quality control and data security standards. Additionally, we are an AWS Partner recognized for our cloud technical expertise. Our team is dedicated to ensuring every project's success and fostering long-term, productive business relationships with our clients. Let's innovate together and achieve remarkable outcomes.

Techstack company is an international strategic technology partner with strong Ukrainian roots, delivering comprehensive digital transformation services worldwide. We unite nearly 200 experts across borders, combining staffing, engineering, and optimization services into one powerful offering. With over a decade of excellence, we’ve become a trusted partner for global businesses — 30% of which are $1B+ enterprises — delivering full-stack teams and empowering software engineering leaders. Rooted in our Ukrainian engineering heritage and strengthened by our international presence, Techstack unites the best of Eastern European technical excellence with global business practices, making us a partner capable of both precision in execution and vision in strategy. 💫 The Techstack Difference
Strategic Partnership:- Engineering with product ownership, aligned with your goals- Strong technical leadership and proactive delivery planning- Long-term scalability built into every architectureProfessional Excellence:- Senior-level expertise across all technologies- Cross-functional teams with diverse skill sets- Proficiency with modern tech stacksTransparent Communication: - Regular updates and detailed reporting- Direct access to your dedicated team- Clear project roadmaps & milestone trackingQuality-First Approach:- Rigorous code reviews and comprehensive testing protocols- Strict coding standards adherence- Industry best practices in every deliveryBusiness Value Focus:- Transparent pricing with no hidden fees- Resource optimization strategies- Value-driven development aligned with your goals- Scalable architecture design- User-centric development methodologyModern Technical Capabilities: - Cloud-native solutions- AI & ML integration|- Automated workflows- Agile methodology- Advanced DevOps practicesWe align with your product and business strategy, bring disciplined engineering practices, and build solutions designed for scalability, resilience, and long-term growth. Let’s build something that lasts! 

Full-cycle iOS and Android Application development agency from Zaporizhzhya, Ukraine. Website-portfolio: https://cookiedev. com/ Full-cycle means that we provide services at every stage of iOS and Android application development process.  We grow our business by helping our customers to grow theirs.  We build iOS apps (iPhone, iPad) and Android apps (phone and tablet) of any complexity or style (material style, flat style):- delivery and ordering systems related applications- logistics mobile applications- marketplace apps- video and chat applications, WebRTC / VoIP, socket connection- booking mobile apps- online TV applications- educational applications- applications for online stores- cleaning services- in-app purchases and in-app subscriptions related apps- iOS apps with iOS specific features- Android material apps with Android specific features- AndroidTV applications- you tell it - we do it iOS skills include but not limited to:- Swift 3 / Objective-C- iOS SDK, xCodeb- Protocols: JSON-RPC, XML, RPC, SOAP, REST. - Integration with existing social networks: Facebook, Twitter, Vkontakte, G+- 2D games: Cocos2D, Cocos2Dx- E-books (static or interactive), Newsstand- Databases: SQLite, CoreData- BLE 4. 0- Mobile advertisement: iAd, AdMob, AppLeads, Flurry, AdWhirl- Other servises and SDKs: Braintree, Liqpay, Yandex. Money, Branch, Maps (OSM, Google, Apple), LinPhone, FrozenMountain, ooVoo, Flurry Analytic, Google Analytics, Crashlytics, Test Flight, other Android:- Java / Kotlin- Encryption: OpenGPG. - Protocols: JSON-RPC, XML-RPC, SOAP, TCP/IP. - simple applications OpenGL ES- Integration with social networks (Facebook, Twitter, Vkontakte, MailRu, Odnoklassniki), Google services (e. g. Youtube, Google Cloud Printing), Payment gateways (Braintree, PayPal, Liqpay, Yandex. Money)- Interaction with external devices (BLE 4. 0/SPP/USB). - Android SQLite- Google Billing, in-apps- VoIP and WebRTC integrations React Native skills:- TypeScript- Node. JS (MERN stack)- JavaScript- ES6+- MongoDB- HTML5, React, CSS- Redux- Material UI Web technologies stack:- React. js,- Angular. JS, Angular 2+- Laravel (PHP framework),- Symfony (PHP framework),- Node. JS,- VueJs- Express. js,- Bootstrap,- Jquery- Integration with social networks (Facebook, Twitter, Vkontakte, MailRu, Odnoklassniki), Google services (e. g. Youtube, Google Cloud Printing), Payment gateways (Braintree, PayPal, Liqpay, Yandex. Money)- Protocols: JSON-RPC, XML-RPC, SOAP, TCP/IP and much much more.  You come to us with an abstract idea and after time we’ll submit a fully functional app to AppStore or Google Play Market. We create Tech Specs documentation, mockups, app designs, development itself, application updates as well as upgrades, along with many other services more or less connected with iOS and Android development.  

S-PRO AG is a leading Digital Innovation and Software Engineering company that specializes in serving fast-growing businesses & enterprises.   Founded in 2014 in Ukraine and headquartered in Zürich, Switzerland, S-PRO brings together 250+ highly motivated, experienced consultants, solution architects and software engineers in 3 R&D hubs in Europe and 5 business offices worldwide to deliver services on a global scale.  With a focus on Finance, Energy, Manufacturing and Healthcare sectors and a strong expertise in AI/ML, Blockchain, Web, and Mobile, we develop innovative digital solutions that create sustainable business value and increase our clients’ competitiveness in a constantly changing digital world. Numbers that matter:— 250+ professionals— 10 years on the market— 8 locations in 5 countries— HQ Zürich, Zug, Switzerland— ISO 27001, 27701 certified— Service Design certified by Harvard— 4. 2 years average customer engagement— 95% customer satisfaction rate— 450+ finished projects in 45 countries— 35% of all projects were completed for Swiss clients— 50+ AI & Data projects delivered over the last 3 years— 55% of all projects were completed for the Fintech— 20+ banking & finance products delivered— 65% of the company revenue comes from Fintech— 40+ core banking systems we work with

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.

Stfalcon has been developing custom web services and mobile apps for over 15 years. Since last year, we've managed to get 15 new projects; the number of employees at Stfalcon has increased by 20%. We operate a management system to the requirements of ISO 9001: 2015. Services we provide:Discovery Phase in 4-6 weeksUI/UX DesignDedicated teamsWeb/Mobile developmentCross-platform app developmentMVP for startups in 2-3 monthsDevOpsOur expertise includes:FinTech / Blockchain / Crypto app developmentTransportation and Logistics Software SolutionsIT solutions for automation in the medical fieldSince 2009, our projects have included Nova Post (the top private parcel delivery service in Ukraine), MeinfernBus (the most prominent German bus operator), CRM, ERP, TMS, and apps for taxi and booking. Contact us, and we will be happy to create something awesome for you!