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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! 

Your reliable web/mobile development partner InventorSoft is a Ukrainian web and mobile development company that provides top-tier, pre-selected developers tailored to your specific needs as a SaaS company. Whether you're scaling from an MVP to a full product or preparing for acquisition by the largest organization, we help drive growth by hiring the best talent for your project. Our developers are highly skilled in core technologies and have expertise with AI tools like GitHub Copilot and OpenAI, allowing us to deliver projects up to 20% faster than competitors. ⭐ Our professional developers are experts in: Artificial Intelligence Java Angular Node. js React. js Vue. js Ruby on Rails . NET Design (mobile/web) Inventorsoft provides a perfect combination of: 1) Transparency 2) Quality recruitment selection 3) Trial Period Our company is not just a performer, but a reliable partner, which is why we have established and maintained successful long-term relationships with many clients, which we are extremely proud of. We are responsible for our actions and customer feedback because we value our reputation and clients. Why us: 10 years of expertise and spotless reputation 45+ SaaS active clients 40+ feedback on our work 30 own completed academies in different directions Our main industries Healthcare Data Analytics Supply Chain Fintech E-learning Renewable energy So, if you need high-quality product development, contact us!

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.

Allzap is a Ukrainian IT company that has been developing digital solutions for the automotive market since 2017. We are a team of 10 specialists building software products for businesses engaged in selling auto parts, importing cars from the USA, logistics, and related services. Our Experience:Over 9 years of expertise in developing specialized Automotive software. A DIIA. City resident, confirming compliance with modern IT business standards. Creators of two commercially successful CMS products used by hundreds of companies. Our Core Products:Allzap CMS – a ready-to-use platform for online auto parts stores. It features VIN-based search, supplier integration, API access, SEO, and marketing modules. Currently used by 1,000+ clients. Allauto CMS – a solution for companies selling cars from Copart and IAAI auctions. Includes automated benefit calculation and price comparison between the US and Ukrainian markets. Our Specialization:Development of turnkey digital products for the automotive industry. Automation of complex business processes (large databases, pricing engines, integrations). Long-term client support and continuous product development.  We are open to collaboration with international partners seeking a reliable technology provider in the automotive segment.

ENG: Anima is an innovative neurotechnology platform for psychological assessment and mental health support. We combine web-based technology, evidence-based psychology, and neurobiology to deliver objective, personalized insights into a person's emotional and cognitive state through eye movement analysis. Our expertise lies in integrating science and technology. Anima uses attention bias assessment and eye-tracking to capture unconscious visual responses to emotionally charged stimuli. This enables the early detection of anxiety, burnout, and cognitive fatigue before these conditions manifest behaviorally. We have field-proven results. Anima is already used by thousands of individual users and is currently being tested in medical and corporate environments. We also participate in international innovation support programs such as Brave1 and Seeds of Bravery. We help organizations make mental health support part of everyday work. Anima is a science-based, user-friendly, and confidential tool that enables regular psychological monitoring and timely intervention. UA: Anima — це інноваційна нейротехнологічна платформа для психологічної оцінки та підтримки ментального здоров’я. Ми поєднуємо вебтехнології, доказову психологію та нейробіологію, щоб надати об'єктивну, персоналізовану інформацію про психоемоційний стан людини через аналіз руху очей. Наша експертиза зосереджена на поєднанні науки і технологій. Anima використовує методику аналізу упередженості уваги та айтрекінг для фіксації несвідомих реакцій на емоційні стимули. Це дозволяє виявляти ранні ознаки тривожності, вигорання та когнітивного виснаження ще до того, як вони стануть помітними у поведінці. Ми маємо підтверджені результати. Anima вже використовується тисячами індивідуальних користувачів і тестується у медичних та корпоративних середовищах. Ми також беремо участь у міжнародних програмах підтримки інновацій Brave1 і Seeds of Bravery. Ми допомагаємо компаніям інтегрувати підтримку ментального здоров’я у щоденну роботу. Anima — це науково обґрунтований, зручний і конфіденційний інструмент для регулярного моніторингу психологічного стану працівників та своєчасного надання підтримки.

Uitop is a UI/UX design and development agency that creates UX-first SaaS interfaces that are easy to scale and sell. Using a result-oriented design process, we have helped more than 108 software startups build interfaces for their platforms that are now recognized by industry-leading companies and associations, investors, corporate users, and generate revenue.  

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.  

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.

New Line Technologies is a software development company with 15+ years of experience specializing in FinTech and Real-Time Multimedia solutions. We provide full-cycle development and ongoing technical support to clients in the USA and Europe, helping them navigate complex industry challenges with scalable, innovative software.  Our expertise lies in creating secure financial applications, high-performance multimedia systems, and interactive solutions that leverage real-time technologies to deliver seamless user experiences. Our industry focus and deep technical proficiency allow us to support clients from concept to deployment, ensuring a perfect alignment with their business goals.

Geniusee is a software development company that creates unique software products.  Founded in 2017 in Kyiv, the company has gathered 200+ geniuses who have implemented more than 180 projects in FinTech, EdTech, AI, and other industries. Our clients range from huge market players such as Dell and Bloomberg to mid-sized businesses and startups that are backed by Andreessen Horowitz, TechStars, and YC. We provide full-cycle software development, tech and business consulting, and support for our clients at all stages of development. Geniusee is a certified AWS Consulting and AWS Advanced Tier Service Partner with AWS Lambda Service Delivery Designation and AWS Education Services Competency. Among significant achievements that prove the high quality of Geniusee services are Certificates: ISO 9001:2015 - Quality Management and ISO 27001 - Information Security Management. What we offer:- Discovery Phase for detailed product scoping in 2-3 weeks- Web/mobile product development`- MVP for startups and businesses in 2-3 months- Complex cloud solutions implementation based on Amazon Web Services, Google Cloud, Azure- AI staff augmentation services- CTO as a service at all stages of development- Dedicated teams with proven expertise & certifications- User-centered product design by UI/UX experts- Data science: proof of concept (POC) based on analytics & modeling- Product maintenance and support services- Legacy reengineering service Our expertise includes:- Serverless Architecture- Frontend development based on React and Vue. js- Backend development based on Node. js, Python, . NET, Java, and PHP- Mobile development based on ReactNative, Swift, and Kotlin- Amazon Web Services- Business Analysis- Data Science, AI & ML- DevOps Engineering- UI/UX Design- Automation and manual quality control and assuranceLook no further! Innovate, Accelerate, and Thrive together with the Geniusee team!

ORIL is a custom software development company established in 2015 with an R&D Center in Lviv and Headquarters in the US. The company specializes in PropTech and also develops technology solutions for various industries, including FinTech, IoT, HealthTech, Marketplaces, and Transportation & Automotive. By focusing on understanding and addressing the needs of each client, we have earned the trust of over 50 companies, making us a reliable partner. Our services include:– Product Strategy Consulting– UI/UX Design– Product Development– Digital Transformation– Salesforce Development– AI EnablementWith over 9 years of experience in web and app development, ORIL has successfully delivered business solutions to clients worldwide. From product strategy and design to implementation and scaling, we offer full-cycle software development. We create web and mobile applications, as well as complex custom platforms, designed to boost user engagement and meet industry demands. We also support organizations in their digital transformation, enhancing operational efficiency and strengthening their market presence.   

Spicing your vision with technology Intelvision is a forward-thinking technology partner dedicated to assisting mid-sized Edtech companies and startups in enhancing their products through innovative AI solutions, Big Data & Analytics, Learning Management System (LMS) and SaaS platform development and customization, and integration of third-party services. For over 5 years we’ve been working with European market greatest companies such as Jincom, OBE, Swiss Scholar, Selecta AI. Delivering measurable outcomes that meet our clients’ business needs, we consider it our mission to be attentive to details, business requirements, and continuous improvement of the delivery process. We have successfully launched 100+ projects in industries such as Construction, Fintech, Healthcare, Logistics, eCommerce, and Retail before selecting Edtech, our main passion that drives us and our closest clients as well. Our headquarter is located in Dublin, Ireland, with development centers in Eastern Europe, which enables us to be flexible in scaling big projects with the best talents. 82% of our team is certified, with an expert distribution of 30/65 Senior to Middle engineers. The company has been recognized as a Top Staff Augmentation services provider by Clutch, and acknowledged in App Futura Global awards.