You will get Full-Stack MAUI / Xamarin Mobile Developer | Blazor Hybrid | iOS & Android

Let a pro handle the details

Buy Custom Mobile Apps services from Serhii, priced and ready to go.

Let a pro handle the details

Buy Custom Mobile Apps services from Serhii, priced and ready to go.

Project details

We are not limited to .NET MAUI or Xamarin. Our team covers backend, frontend, cloud and mobile development so we can deliver full products, not only mobile parts.

The whole team is involved and available during the project which ensures fast communication, alignment and smooth execution.

We work with an enterprise level approach including clean architecture, testing, CI CD and focus on code quality and maintainability.

We also use AI tools in development to speed up delivery, improve code quality and support better technical decisions while keeping full engineering control.
Platform
Android
App Type
Hybrid App
Development Technology
React Native, Java, Xamarin
App Purpose
Blockchain, Chat, Cryptocurrency, Delivery, Finance, Entertainment, Education, Health & Fitness, IoT, Medical
Expertise
Cross Browser & Device Compatibility, Design, Security
What's included
Service Tiers Starter
$300
Standard
$3,000
Advanced
$5,500
Delivery Time 2 days 14 days 30 days
Number of Revisions
233
App Store Upload
-
-
App Icon Design
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-
Splash Screen
-
-
Ad Network Integration
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Source Code

Frequently asked questions

Serhii T.Status: Offline

About Serhii

Serhii T.Status: Offline
Senior .NET Developer/Architect | ASP.NET Core | AWS | React | Angular
Kyiv, Ukraine - 10:44 am local time
👋 Hi, I'm a Full Stack Developer with deep expertise across .NET, Python, React, and DevOps, specializing in enterprise-grade, scalable, and secure software systems. I work end-to-end from backend architecture and frontend UI to cloud infrastructure and CI/CD automation, delivering complete production-ready solutions.

🧠 Full Stack Developer Expertise

Backend
C#, .NET Core, .NET 6–10 (ASP.NET Web API, Blazor, MVC)
Python (FastAPI, Django, automation scripts, backend services)
Node.js for microservices and lightweight integrations
REST APIs, GraphQL, Webhooks, event-driven architecture
Clean Architecture, SOLID principles, microservices design patterns

Frontend
React.js, Angular, Vue.js, TypeScript
Razor, Blazor UI including enterprise and internal tooling scenarios
Component libraries: Kendo UI, Telerik, DevExpress
HTML5, CSS3, responsive and accessible UI systems

DevOps & Cloud
Azure App Services, Azure Functions, AWS (Lambda, S3, RDS, EC2)
Docker, Kubernetes, Helm containerized deployments at scale
CI/CD pipelines: Azure DevOps, GitHub Actions, Jenkins, Terraform
Monitoring: Grafana, Prometheus, ELK, Datadog
IAM, RBAC, FinOps security, access control, cloud cost optimization

Databases
SQL Server, PostgreSQL, MySQL
MongoDB, Cosmos DB, Redis
Performance tuning, indexing strategies, schema design, query optimization

Security & Compliance
OAuth2, JWT, SSO enterprise authentication systems
Cloud security: Azure Defender, Cloudflare, Wiz, Aqua Security
GDPR, HIPAA aligned architecture design
Secure CI/CD pipelines and deployment practices


☁️ Enterprise Experience
Large-scale SaaS platforms (multi-tenant, high-load)
ERP and CRM systems integration and development
Marketplace platforms and distributed architectures
Cloud-native system design on Azure and AWS
Legacy system modernization (.NET Framework to .NET 6+)
🚀 Why Work With Me

✔️ End-to-end ownership from database schema to deployed UI
✔️ Strong .NET and Python backend foundation with real frontend depth
✔️ DevOps-first mindset systems built to run, scale, and be observable
✔️ Enterprise architecture experience with security and compliance in scope
✔️ Clear communication, long-term collaboration, consistent delivery

Steps for completing your project

After purchasing the project, send requirements so Serhii can start the project.

Delivery time starts when Serhii receives requirements from you.

Serhii works on your project following the steps below.

Revisions may occur after the delivery date.

Discovery & alignment

Review requirements, audit project, define MVP scope

Architecture & planning

Design system architecture and define technical roadmap

Review the work, release payment, and leave feedback to Serhii.