You will get Full Stack Developer | Mobile App Developer | React Developer | Node.js
Rising Talent
Project details
Working as a Full Stack Developer and mobile app creator, I build custom, scalable architectures. At Hygge Software, our Full Stack Developer expertise guarantees success across logistics, real estate, education, healthcare, e-commerce, financial services, legal tech, and wellness.
Our Full Stack Developer teams rely on Agile two-week sprints to ensure steady, transparent progress. We also offer an AI-specialized Full Stack Developer to meet modern automation demands.
Our Full Stack Developer operations are proudly backed by ISO 9001 and ISO 27001 certifications, ensuring top-tier cybersecurity and software lifecycle standards.
Why we excel:
• Broad Expertise: We provide the exact talent you need – a React developer, a React Full Stack Developer, a Python Full Stack Developer, a WordPress developer, a Laravel Full Stack Developer, a Web Full Stack Developer, or a Webflow Full Stack Developer.
• Security: Strict ISO-certified protocols govern all workflows.
• Fair Pricing: A transparent post-payment model where you are charged only after the successful delivery of a sprint.
Our Full Stack Developer teams rely on Agile two-week sprints to ensure steady, transparent progress. We also offer an AI-specialized Full Stack Developer to meet modern automation demands.
Our Full Stack Developer operations are proudly backed by ISO 9001 and ISO 27001 certifications, ensuring top-tier cybersecurity and software lifecycle standards.
Why we excel:
• Broad Expertise: We provide the exact talent you need – a React developer, a React Full Stack Developer, a Python Full Stack Developer, a WordPress developer, a Laravel Full Stack Developer, a Web Full Stack Developer, or a Webflow Full Stack Developer.
• Security: Strict ISO-certified protocols govern all workflows.
• Fair Pricing: A transparent post-payment model where you are charged only after the successful delivery of a sprint.
Programming Languages
JavaScript, ASP.NET, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $28,000
These options are included with the project scope.
$28,000
- Delivery Time 30 days
- Number of Revisions 0
- Responsive Design
- Source Code
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Artem T.
May 12, 2026
Full Stack Developer Needed for Mobile Application Development
Working with Alina and her team was an enjoyable experience. They met every requirement and maintained excellent communication throughout the process. They deliver high-quality work with impressive speed. Truly a team of professionals.
AW
Alan W.
Dec 1, 2021
Keyhelpa's architecture and work scope development
Top service and quality of work.
AW
Alan W.
Oct 25, 2021
Freelancer platform for agents and helpa's
Absolutely professionals
AN
Ariel N.
Aug 17, 2021
MVP - PM and QA
Alina was great and supportive. Building the MVP she provided the exact skills needed in order to make sure we don’t have lose ends between the design and execution. Great great job!
ON
Oleg N.
Apr 18, 2021
1 Senior Backend, 1 Senior Frontend & 1 react native needed
Thanks for our fruitful collaboration, it is a challenging project however Hygge software team handled very complex tasks and was always responsive during the work.
About Alina
Full Stack Developer React Developer Mobile App Developer Full Stack
100%
Job Success
Kharkiv, Ukraine - 9:57 pm local time
With 180+ successful projects and 20,000+ development hours, I specialize in complex Web and Mobile Application development, AI integrations, and cloud architecture. As a dedicated Full Stack Developer and Python Full Stack Developer, I help businesses automate workflows, optimize performance, and scale products using React, Node.js, Python, and AWS. Whether you need a skilled react developer or a versatile wordpress developer, I bring the technical expertise to deliver reliable systems.
🏆 Web Developer & Full Stack Developer Solutions:
✔️ 9+ years of experience as a Full Stack Developer building scalable web platforms, SaaS products, and AI-driven applications.
✔️ 180+ high-performance projects across eCommerce, SaaS, healthcare, fintech, and enterprise systems delivered as a Full Stack Developer AI specialist.
✔️ 20,000+ engineering hours as a Full Stack Developer, software engineer, and AI integrator.
✔️ Global experience across 40+ countries including the US, UK, Western Europe, and Australia.
✔️ Development speed increased by 60–70% using AI-assisted engineering workflows.
✔️ Backend and database optimization improving performance by up to 60%.
✔️ AI automation systems reducing manual operational work by up to 85%.
✔️ Cloud infrastructure improvements enabling 45% more concurrent users with reduced AWS costs.
📌 AI Systems & Automation:
🔹 Custom LLM and RAG architectures built with Python, LangChain, and vector databases by a Python Full Stack Developer.
🔹 AI chatbots and automation agents improving operational efficiency for SaaS and enterprise systems, delivered by a Full Stack Developer AI.
🔹 AI-assisted QA workflows reducing manual testing costs by 70%.
🔹 Model-agnostic LLM routing using OpenAI, Claude, and Gemini.
📌 Custom Web Development:
🔹 SaaS platforms built with Next.js, React, Node.js, and NestJS by an expert react developer and Full Stack Developer.
🔹 Secure web applications designed by an experienced web developer following ISO security standards.
🔹 Rapid MVP development using AI-first engineering approaches.
🔹 Custom CMS and scalable platforms implemented by a skilled wordpress developer.
📌 Backend Architecture & Cloud Infrastructure:
🔹 High-performance cloud architecture using AWS, Docker, and modern DevOps practices.
🔹 Database optimization with PostgreSQL and Supabase improving query speeds by 60%.
🔹 Microservices and CI/CD pipelines increasing system scalability.
🔹 Automated billing and internal automation systems built by a Python Full Stack Developer.
📌 Mobile & Cross-Platform Applications:
🔹 Cross-platform mobile applications using React Native and Flutter.
🔹 Backend-to-mobile data synchronization reducing latency and improving UX.
🔹 AI-powered recommendations and secure payment integrations.
📌 Scalable Architecture & System Optimization:
🔹 High-availability cloud infrastructure for scalable applications.
🔹 Advanced dashboards and admin panels using React, Tailwind, and modern UI frameworks.
🔹 Server-side rendering and caching strategies improving performance and scalability.
✅ 60–70% faster development through AI-assisted engineering workflows.
✅ ISO 9001 & ISO 27001 aligned development standards.
✅ 30% lower server costs through optimized backend architecture.
✅ Advanced AI integrations (GPT, Claude, LangChain) delivered by a Full Stack Developer AI.
✅ Rapid MVP delivery in 2–3 months by an experienced Full Stack Developer, react developer, and web developer.
Looking for a Full Stack Developer | Full Stack Developer AI | Python Full Stack Developer who can design scalable systems, build reliable architecture, and turn ideas into production-ready products?
Let’s connect! ☎️
03.06.2026
Steps for completing your project
After purchasing the project, send requirements so Alina can start the project.
Delivery time starts when Alina receives requirements from you.
Alina works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Pre-Sale
We begin by signing an NDA, gathering your specific requirements, and designing a clear technical blueprint.
Estimation & Contracting
You receive a free three-point estimate detailing optimistic, average, and pessimistic timelines before we finalize the Statement of Work.