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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! 

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.

NERDZ LAB is a full-cycle software product design and development company. We’re here to bring your project idea to life, and help it grow and succeed. Founded in 2017 in Lviv, Ukraine, today we’re a team of 80+ professionals with a passion for what we do. We offer full-cycle software product development, from prototyping and UI/UX design for MVP validation to market-ready mobile and web app development, all backed by the expertise of our CTO as a service/fractional CTO model, and ongoing support. With our wide experience working with startups and growing businesses, we know what it takes to grow a product and make it thrive. What we do:- UI/UX and product design- Mobile app development- Web development- Quality assurance- ConsultingCooperation models:- Time & material- Dedicated development team- Fixed-price

Proffiz specializes in custom software development for manufacturing, fintech, photo & imaging, and other industries. We craft innovative solutions such as industrial automation platforms, image-processing software, and tailored business tools to help clients streamline operations and enhance efficiency.  

SOFTWARE DEVELOPMENT & MANAGED SERVICES FOR AWS-BASED BUSINESSESWe build, modernize, and support software products optimized for cost, security, and top performance. By partnering with Romexsoft, you gain the benefits of a high-performing in-house team — without the overhead costs. Established in 2004, Romexsoft is an AWS Advanced Tier Services Partner, a trusted software development vendor, and a managed services provider. We have a proven track record in industries such as Healthcare, Biotech, Fintech, E-commerce, EdTech, and AdTech. Our services:- Custom Software Development (web and mobile)- AWS Cloud Consulting- Software Testing- DevOps Services (24x7 AWS DevOps Support, Cost Optimization, Security Optimization, Modernization, CI/CD)Expertise:- Cloud Application Development- Application Modernization- AWS Cloud Migration- Infrastructure on AWS- DevOps Services- 24x7 DevOps Support

APOM Solutions — IT company customizes and support Software Development Teams and R&D centers in Ukraine. Mainly provides outstaff & outsource services to their clients. We connect clients from all over the world with experienced developers. We create and unite the most powerful international teams.

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.  

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.

Artelogic is a nearshore software development company with offices in Ukraine, Poland, the UK, and Azerbaijan, which helps us align with several time zones. Our key nearshore software development center is inhabited by 100+ programmers, and we continue to hire and grow more IT talents. In addition to being powered exclusively by senior-level engineers, we also focus on high-level experts in business analysis and solution architecture to ensure that our solutions efficiently meet business objectives.

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.

Our company has extensive expertise related to the creation of web forms and the generation of QR codes. Thanks to extensive experience in the retail business. We are happy to adapt our solution to your needs.

CallChecker is an AI-powered call analytics platform designed to give businesses complete control over their call-based operations. Whether you’re managing a call center, sales team, or customer support department, CallChecker helps you monitor 100% of your calls, surface valuable insights, and make data-driven decisions that drive growth. We don’t just help teams hear what’s being said — we help them understand what it means. What sets us apart:► Analyze every call (not just a sample) to ensure total visibility► Cut costs by 10x by automating manual quality control processes► Transform agent training and coaching with fast, AI-backed feedback► Ensure rule compliance through AI-enhanced script tracking► Enable faster onboarding and smarter development decisionsWith multilingual support and rapid setup, CallChecker is the go-to solution for teams looking to scale quality, not just volume.