Full-stack development company
When your business needs smart automation, clear insights from complex data, or new ways to meet customer demands, our full-stack development services have you covered. Our team builds everything from user-friendly interfaces to powerful back-end systems, connects it all with APIs, and manages your data efficiently, so your solution is ready to grow and handle whatever comes next.
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Full-stack development services we provide:
API development
Streamline your software architecture with APIs crafted by a leading full stack development company. Our team creates scalable, secure interfaces that ensure smooth interaction and reliable communication across a wide range of applications and services. We specialize in RESTful and GraphQL APIs, ensuring efficient data flow, high performance, and compatibility with existing systems for robust integration.
Full stack web and mobile engineering
Unlock your business potential with expert full stack web and mobile engineering. On the web side, we build dynamic front-ends with technologies like React, Angular, and Vue.js, paired with resilient back-end systems powered by Node.js or Django. For mobile, we create native apps for iOS and Android or cross-platform solutions using frameworks like Flutter and React Native.
Full stack CMS development
Empower your team with custom content management systems optimized for flexibility and control. We create systems tailored to specific workflows, enabling businesses to manage content effectively, automate publication processes, and integrate advanced analytics tools. Whether it’s a bespoke CMS or platforms like WordPress, our solutions allow for multilingual support, role-based access control, and seamless integrations with external services.
Full stack ecommerce development
Transform your digital storefront with eCommerce solutions for B2C to B2B marketplaces. We design platforms with essential features like secure payment gateways, dynamic inventory management, multi-channel sales support, and real-time analytics. By integrating tools like AI-powered recommendation engines and customer behavior tracking, we help businesses improve conversions, streamline operations, and enhance user satisfaction.
Full stack migration
Upgrade your systems without disruptions. We manage migrations from legacy systems to modern infrastructures with minimal risk. Through audits, risk assessments, and a phased approach, we reduce downtime while ensuring data integrity. Whether shifting to microservices, cloud platforms like AWS or Azure, or modern databases, we deliver optimized performance post-migration.
Full stack integration
Unify your technology stack with seamless system integrations handled by Relevant experts. As a full stack software development company, we connect databases, third-party tools, and custom applications to create cohesive and efficient ecosystems. Our expertise ensures secure data exchanges, enhanced efficiency, streamlined collaboration, and reduced operational friction across complex IT environments.
Data visualization dashboards
Transform complex datasets into actionable insights through custom-built dashboards. Leveraging libraries and tools such as D3.js, Tableau, or Power BI, we create user-friendly interfaces tailored to specific industries. These dashboards include real-time updates, drill-down capabilities, and predictive analytics to support better decision-making at all levels of your organization.
Progressive web app (PWA) development
Provide native-level performance directly in a browser with our full stack development services. Our PWAs, built with frameworks like React and Angular, deliver offline functionality, fast loading, and intuitive interfaces. Optimized for SEO and secure by design, they ensure seamless operation across devices, providing a cost-effective solution for maintaining a strong digital presence without relying on app stores.
Enterprise development
Optimize operations with enterprise-grade solutions from our full stack development services. From custom ERP solutions to advanced CRM systems, our software handles high-volume transactions, streamlines business processes, and integrates with your existing digital infrastructure. Built with scalability, our solutions are secure, resilient, and optimized for multi-departmental collaboration and data-driven decision-making.
Real-time application development
Accelerate the responsiveness of your business with real-time applications built by our expert full stack development company. For systems requiring instantaneous responses, we develop real-time applications built on cutting-edge technologies like WebSockets and event-driven architectures. With our full stack development outsourcing expertise, you gain systems optimized for real-time analytics, transactions, and customer engagement.
Maintenance and support
Ensure uninterrupted performance and security with proactive maintenance and expert support. Our full stack development services include regular updates, security patching, system monitoring, and troubleshooting to maximize your software’s lifecycle and ensure peak performance. We also offer performance optimization, load testing, and compliance reviews to ensure the app evolves with business requirements and technological advancements.
Front-end development
Craft dynamic, visually engaging interfaces with front-end development services tailored to specific user experience goals. Using frameworks like React, Angular, and Vue.js, we deliver responsive, pixel-perfect designs optimized for speed and performance. Our expertise ensures seamless interaction across devices, which aligns functionality with aesthetic appeal for modern, user-centric applications.
Back-end development
Build robust, scalable back-end systems that drive application functionality and ensure operational efficiency. Our team specializes in server-side logic, API integration, and database management, creating secure and high-performance architectures. From Node.js to Python and Java, we develop back-end solutions that power seamless communication between users, interfaces, and data stores.
Mobile app development
Develop feature-rich mobile applications with our team of skilled full stack developers. We create native and cross-platform apps using technologies like Swift, Kotlin, and Flutter. Our full stack development company ensures your app performs efficiently, integrates with back-end systems, and meets business-specific needs, providing users with seamless, intuitive mobile experiences.
Desktop app development
Create powerful desktop applications with our full stack expertise and industry-focused approach. We specialize in building cross-platform and native apps using frameworks like Electron, .NET, and Qt for various industries. Our custom solutions combine performance, functionality, security, and scalability, which ensures optimal integration with enterprise systems and alignment with organizational workflows.
MEAN/MERN/LAMP stack development
Power your application with technology stacks built for versatility. Our deep expertise in MEAN, MERN, and LAMP stacks ensures seamless integration between intuitive front ends like Angular or React and powerful back ends with Node.js or PHP. This means we, as a reliable service provider, deliver high-performance solutions customized to meet your business objectives.
- • End-to-end development expertise
- • Cost-effective solutions
- • Faster time-to-market
- • Enhanced collaboration
- • Efficient problem-solving
- • Unified development process
- • Future-proof applications
- • Streamlined maintenance and updates
Why cooperate with our full stack software development company
Comprehensive in-house web services
We manage every stage of your project, from strategic planning to deployment, under one trusted roof. With all services handled in-house, we ensure seamless communication, faster turnarounds, and consistent quality, giving you the confidence that your project is in expert hands every step of the way.
Broad technological expertise
Our team’s expertise spans cutting-edge domains, including IoT, AI, BI, machine learning, cloud computing, big data, computer vision, and cybersecurity. This versatility allows us to craft innovative, industry-specific software that meets complex technical and regulatory demands while driving measurable outcomes.
Top-tier tech talents
We hire the top 1% of skilled software developers, engineers, designers, and project managers across the globe. Our focus on high-quality talent guarantees your software projects are managed by seasoned professionals who deliver innovation, efficiency, and measurable results for your business.
Award-winning partnerships
With 200+ global clients, 100 active projects, and a 98% retention rate, we consistently deliver exceptional results across industries. Our award-winning solutions showcase our expertise, proven ability to meet market demands, and dedication to building trusted, long-term partnerships with businesses worldwide.
On-time, on-budget delivery
Our proven approach minimizes delays and cost overruns, which guarantees reliable delivery. Over 95% of our full-stack projects are completed on schedule and within budget, backed by transparent communication, proactive planning, and a focus on mitigating risks for smooth execution.
Stable teams for long-term success
An 80% employee retention rate allows us to build dedicated teams that grow with your project over time. This stability fosters deeper insights into your evolving needs, ensures long-term continuity, and enables your software to support sustained digital transformation success.
Let's build something exceptional together. Your journey starts with just one click!
Petro Diakiv
Business Development Manager
Anna Dziuba
VP of Delivery
What to Expect Next?
- Our BizDev managers will reach out within 24 hours to dive deeper into your requirements and discuss your project idea.
- If needed, we'll sign an NDA to ensure your project details are fully protected.
- Our skilled software development experts will provide tailored advice and suggest the best development path.
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Dedicated team
Extend your staff with remote specialists that are fully under your control. We take care of their administration and professional development.
Learn moreProduct development
Bring your idea and commission a product. We handle everything from business analysis through the development and the product launch.
Learn moreFAQ
Full stack approach covers every aspect of project development — from front-end interfaces to back-end systems, product development, and integrations. A reliable service provider like Relevant combines these layers into one seamless process, delivering solutions that balance functionality, performance, and adaptability to meet specific business needs.
Our years of experience in building modular and cloud-ready systems allow us to create solutions that adapt seamlessly to growth. Whether you’re adding features, scaling for more users, or exploring new opportunities, our expertise in mobile and web design ensures your systems remain flexible without requiring a complete overhaul.
Absolutely. Seamless integration is at the core of what we do. Our full stack developers ensure new applications work perfectly with your current systems, maintaining reliable data flow and compatibility, whether you're using modern tools or older legacy software.
We’ve worked with healthcare, finance, retail, manufacturing, and logistics businesses. Our expertise in custom software development allows us to understand the unique challenges and standards each sector presents and develop software that fits your specific operational needs.
We use agile methodologies in our work. Dedicated project managers provide regular updates, track milestones, and address any concerns promptly, ensuring our full stack web development services align with your expectations and timelines.
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customer satisfaction
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