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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

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! 

Linkos Group is a leading Ukrainian IT company, specializing in developing innovative digital solutions tailored for business automation needs.  For over 25 years, Linkos Group has created IT products in e-reporting and e-document management, widely used by accounting professionals and businesses across the country.  Linkos Group product line: ⬢ Medoc is a program for e-document management and e-reporting. Winner of the international competition-festival of the best goods and services: "Choice of the Year 2019" and "Choice of the Year 2020" in the nomination "Commercial Program of the Year for Reporting and Electronic Document Management". Ukraine’s leading e-reporting and e-document management software, trusted for 25+ years. All reports, invoices, acts, and contracts in one platform, with iXBRL and SAF-T UA solutions.  ⬢ SOTA is a web service for e-reporting, tax invoices, contracts, and receipts with browser-based, secure workflows. Submit reports, sign documents, and register receipts. Includes a mobile solution for electronic consignment notes for all transportation participants.  ⬢ Cashalot is an all-in-one solution that integrates software-based cash registers, warehouse accounting, and comprehensive analytics for both cash registers and cashiers. Recognized as the best technological solution (The SUP — Union of Ukrainian Entrepreneurs — 2023 Award).  ⬢ CloudKey is a secure cloud-based electronic signature, provided and safely stored by the Key Certification Centre “Ukraine”. Sign documents anywhere, without being tied to specific hardware. Integrates seamlessly with popular software and e-services for citizens. ⬢ Linkos ERP is a next-gen ERP for efficient governance and operations. A flexible, service-oriented platform featuring low-code/no-code, AI agents, and operational analytics for accounting, finance, logistics, and HR. Scalable, secure, and compliant. ⬢ ISpro is a global ERP software package designated to automate accounting and management at enterprises and budgetary institutions.  ⬢ FlyDoc is a service for direct exchange of primary documents with counterparties from the accounting system.  ⬢ PTAH is a platform that provides roaming of electronic documents between different platforms.

Your Salesforce Success Partner. Redtag delivers custom Salesforce solutions that elevate business operations for companies across various sectors. With a decade of global experience, our team of 100+ certified experts has successfully completed over 500 projects, aligning technology with client-specific goals to enhance operational effectiveness.  At Redtag, we believe in growth — both for our clients and our team. Our vision, 'Chance to Grow,' embodies our dedication to creating a supportive community driven by innovation, integrity, and respect. This environment promotes both professional and personal development. Our mission is to guide businesses toward success and develop talent within the Salesforce ecosystem, focusing on tangible outcomes and building lasting partnerships.  Our Services: Health CheckRedtag’s Health Check evaluates and optimizes your Salesforce setup to ensure alignment with your business objectives, enhancing system efficiency and functionality. Solution Design & ImplementationTailor-made Salesforce solutions from Redtag feature Quick Start packages for rapid deployment, comprehensive development, and migration services for a seamless CRM experience. Managed ServicesWe keep your Salesforce system finely tuned with Managed Services that offer strategic support and operational improvements to maintain high performance and reliability. Staff AugmentationOur staffing services supply skilled Salesforce professionals who integrate seamlessly with your team, enhancing your business strategy and operational goals.  Whether you need a tailored Salesforce setup, expert consultation, or reliable staff augmentation, Redtag is equipped to elevate your CRM capabilities and drive your success.

At GeeksCode, we're not just coders; we're architects of digital solutions. We're a team of passionate developers, engineers, and designers with a proven track record of transforming complex ideas into elegant and efficient software. Our ExpertiseWe specialize in crafting cutting-edge mobile apps, responsive web platforms, and robust server-side systems, empowered by the latest advancements in AI and machine learning. Whether you need a user-friendly mobile app to engage your customers, a dynamic website to showcase your brand, or a powerful backend to handle complex data processing, we have the expertise to bring your vision to life. Relevant ExperienceOur portfolio speaks for itself. We've successfully delivered projects for clients across various industries, including media, education, healthcare, construction and utility apps. From planing to release, we've consistently exceeded expectations and helped our clients achieve their business goals. Client EngagementWe believe in building strong, collaborative relationships with our clients. We take the time to understand your unique needs, challenges, and aspirations. Our approach is personalized, transparent, and results-driven. We're not just building software; we're building partnerships.

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

O0 is a full-stack cloud design studio. We design digital and physical products, brand them up, and create websites where they take center stage. O0 does things that matter; we choose impact over vanity, quality over numbers. Our studio started as part of a tech startup, we fluently speak product, we know how to design them, brand them, and put them on the shelf. Awards? We have some. Of course, we are happy with our 12 Red Dots. Maybe your project will bring us our 13th? We also have an ED Award in our stock, CSS Design Award, Webby Award, first places on Product Hunt, and some other awards.   

BuildApps is at the forefront of developing innovative digital solutions tailored to automate and address the needs of small and medium-sized businesses. With our headquarters in Ukraine, our full-cycle company excels in transforming ideas into software excellence through expert design and development. Founded by tech leads with extensive professional backgrounds, we provide expertise at every level of our operations. We are passionate about our work and committed to delivering outstanding results. Each project is handled with enthusiasm and precision, ensuring that our solutions effectively meet client needs and deliver significant value.

N-iX is a global software solutions and engineering services company that helps the world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. With over 2,200 professionals across Europe, the Americas, and APAC, N-iX delivers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other technology domains. Being in business for over two decades, N-iX has worked with dozens of industry-leading enterprises and Fortune 500 companies to create value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, ISG Provider Lens™, Modern Application Development services providers by Forrester, Everest Group’s Data & AI services PEAK Matrix, Global Outsourcing 100 by IAOP, etc.

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.

Langate Software is a software development company focused on building applications for the US healthcare and enterprise markets since 2001. We have over 20 years of software development experience and are a Microsoft Gold Partner (with an Application Development Competency), which places us among the top 1% of certified companies across the entire Microsoft ecosystem. Since 2001 we have developed products for US healthcare (hospitals, skilled nursing facilities, billing organizations, etc. ), Pharma, and Fortune 500 companies.  We provide experienced dedicated software development teams and project resources to enable end-to-end application development, technology transformation, and creation of Enterprise BI/Analytics solutions. Reach out to get a free consultation on your development needs.