You will get Full Stack Developer | .NET Developer | React | C# .NET Core

Daria B.Status: Offline
Daria B. Daria B.
4.9
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Daria, priced and ready to go.
Daria B.Status: Offline
Daria B. Daria B.
4.9
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Daria, priced and ready to go.

Project details

You will get a Full Stack Developer and .NET Developer who builds complete web applications — React or Angular frontend, C# .NET Core backend, REST API, database, and deployment — delivered as a working product.

As a Senior .NET Developer and Full Stack Developer React specialist I have shipped full stack applications across FinTech, HealthTech, SaaS, and EdTech — .NET Core, ASP.NET Core, React, Angular, TypeScript, SQL Server, PostgreSQL, Azure, and AWS.

What you get:
• Full Stack Developer frontend: React, Angular, Next.js, TypeScript, Tailwind CSS
• .NET Developer backend: C# .NET Core, ASP.NET Core, Entity Framework, REST API
• Full delivery: staging deploy, CI/CD, PR with tests, and handoff documentation

Full Stack Developer, Full Stack Developer, Full Stack Developer, .NET Developer, .NET Developer, .NET Developer, C# Developer, C# .NET Developer, Full Stack Developer React, Full Stack Developer React, Senior Fullstack Developer, JavaScript Fullstack, Fullstack Web Developer, Senior .NET Developer, .NET Core Developer, .NET Full Stack Developer, Web Developer, .NET Core React, .NET Core Angular, React Developer, Python Full Stack.
Programming Languages
ASP.NET, TypeScript, C#
Coding Expertise
Cross Browser & Device Compatibility, PSD to HTML, W3C Markup Validation Service
What's included
Service Tiers Starter
$49
Standard
$5,000
Advanced
$20,000
Delivery Time 2 days 10 days 30 days
Number of Revisions
012
Design Customization
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Content Upload
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Responsive Design
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Source Code
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Frequently asked questions

4.9
13 reviews
85% Complete
15% Complete
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

DG

Dmitry G.
5.00
Jul 9, 2026
.NET Developer / Full Stack Developer Needed for Auth Session Issues Quickly grasped a complex problem, proposed a solid technical solution, and delivered results without unnecessary delays or back-and-forth.

OS

Oleksandr S.
5.00
May 22, 2026
Full Stack Developer & .NET Developer help with API Integration issues Really impressed with Daria's expertise. She spotted the root cause of our API issues within the first 30 minutes and explained everything clearly. Highly recommend for any .NET or Full Stack Developer consultation

OK

Olha K.
5.00
Feb 11, 2026
Full Stack .NET Developer Needed to Help With Payment Integration Daria did a great job helping us fix our Stripe integration in a .NET app. She quickly found why webhooks weren’t updating the order status and guided us through a clean solution. Clear communication, fast turnaround, and very easy to work with. Would definitely hire again.

BL

Bartosz L.
5.00
Jun 2, 2023
.NET Developer needed to develop Blazor application (PART TIME) Daria is great for her excellent work, communication, availability, and technical skills in .NET. Her coding proficiency, clear communication, prompt availability, and strong technical abilities have been instrumental in the success of your project. She is a valuable asset to your team.

SW

Stuart W.
5.00
Apr 3, 2021
.Net Full stack developer Dari was easy to communicate with and an excellent and talented developer
Daria B.Status: Offline

About Daria

Daria B.Status: Offline
.NET Developer | Full Stack Developer | C# Developer | Angular Blazor
100% Job Success
4.9  (13 reviews)
Zaporozhye, Ukraine - 10:40 pm local time
🏆 I'm a Top-Rated .NET & Full Stack Developer with 15+ years of experience. I've delivered 60+ apps (US/UK/EU) | -45% API latency, +70% faster deploys, 3 legacy monoliths modernized | 100% Job Success, $60K+ earned on Upwork

As a .NET Developer, I migrated 3 legacy monoliths to .NET Core microservices, +70% deployment speed

💥 Recent win — as a Full Stack Developer and C# Developer, I rebuilt a logistics platform using .NET Core, Angular and MySQL, cutting order processing time by 55% and lifting client retention by 22%.
🟢 Most business platforms are slow, hard to scale and expensive to maintain. With 8+ years as a .NET Developer, C# Developer and Full Stack Developer, I architect scalable web developer solutions on .NET, Angular, React and Python stacks that turn technical debt into growth 🟢
📩 Send me your project brief — I'll reply with a free technical review within a few hours, covering architecture, performance and security.

⭐️⭐️⭐️⭐️⭐️ "She's an outstanding .NET Developer and Full Stack Developer. Reliable, communicative, and delivers clean, production-ready C# code every time."

🎯 WHY CLIENTS CHOOSE ME AS A FULL STACK DEVELOPER
I'm a Full Stack Developer, .NET Developer and C# Developer with full-cycle ownership — from database architecture and API design to pixel-perfect frontends. As a C# Developer, I write clean, testable code following SOLID principles, and as a Full Stack Developer I make sure the entire product, not just one layer, actually works for your users.
✔️ .NET Core & C# — as a .NET Developer and C# Developer: scalable ASP.NET Core APIs, background services, .NET MAUI apps
✔️ Frontend — React, Angular, Vue.js, jQuery, built for speed and clean UX
✔️ Full Stack Development — as a Full Stack Developer, connecting .NET, Node.js and Python backends to JavaScript frontends
✔️ Web Developer Services — as a web developer, WordPress, Laravel and PHP sites alongside custom .NET apps
✔️ Database Architecture — MySQL, SQL Server, API Integration for data-heavy systems
✔️ Cloud & DevOps — Azure, AWS, Docker, CI/CD, supporting .net full stack developer and full stack developer react deployments

📊 RESULTS THAT SPEAK
🔶 Fintech Platform: as a .NET Developer and C# Developer, -60% transaction errors, 99.9% uptime via a full .NET Core rebuild
🔶 E-commerce Marketplace: as a Full Stack Developer, React + .NET Core APIs, +28% checkout conversion, 3x page load speed
🔶 Healthcare SaaS: as a senior .net developer, HIPAA-compliant rebuild, -40% manual admin work

⚙️ TECH STACK — WHAT I ACTUALLY BUILD
✔️ As a C# Developer, I build backend services and APIs in C#, .NET and .NET Core
✔️ As a .NET Developer, I build enterprise systems on .NET Framework, deploy cross-platform apps with .NET MAUI, and ship RESTful APIs with ASP.NET
✔️ As a Full Stack Developer, I build frontend interfaces in React, Angular, Vue.js and JavaScript, and add type safety with TypeScript
✔️ As a Full Stack Developer, I build backend logic in Node.js and Python, and CMS-driven sites in PHP, Laravel and WordPress
✔️ As a web developer, I build responsive layouts with HTML5, CSS 3, Bootstrap and jQuery
✔️ As a Full Stack Developer, I build and manage data layers in MySQL and SQL Server

💼 EVERY PROJECT AS A FULL STACK DEVELOPER INCLUDES
▪️ Clean, well-documented C# and .NET code with automated testing
▪️ Direct communication, just a senior C# Developer / .NET Developer working on your project
▪️ Ongoing support after launch as your long-term Full Stack Developer and .NET Developer partner

🏭 INDUSTRIES
Fintech · Healthcare · E-commerce · Logistics · SaaS · Real Estate · EdTech

🔎 ALSO EXPERIENCED AS — EVERY ROLE, PROVEN TWICE
✔️ As a react developer, I build interactive dashboards for SaaS platforms. As a react developer, I also rebuild legacy UIs for speed and scale.
✔️ As a python developer, I build backend APIs and automation scripts. As a python developer, I also ship data-processing pipelines for reporting tools.
✔️ As a java developer, I build backend modules for enterprise systems. As a java developer, I also debug and refactor legacy Java codebases.
✔️ As a blockchain developer, I build and audit smart contracts. As a blockchain developer, I also integrate wallet and token logic into existing platforms.
✔️ As a mobile app developer, I build cross-platform releases for iOS and Android. As a mobile app developer, I also ship post-launch updates and bug fixes.
deployment pipelines.

🚀 LOOKING FOR A RELIABLE FULL STACK DEVELOPER OR .NET DEVELOPER?

👉 Share your project details and I'll reply with a clear technical plan. Hire a proven .NET Developer, C# Developer and Full Stack Developer who ships secure, scalable, production-ready software — on time, every time.
📅 Last updated: 21.08.2026

Steps for completing your project

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

Delivery time starts when Daria receives requirements from you.

Daria works on your project following the steps below.

Revisions may occur after the delivery date.

Requirements & architecture lock

I review the scope, define frontend-backend contracts, choose stack, and agree on "done" criteria before day one.

Full Stack development with daily updates

React or Angular UI + .NET Core backend built together — daily async updates, no black box, no surprises on delivery day.

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