Freelance Web Developer

I build fast, clean, and reliable web apps.

I help startups and businesses launch, modernize, and scale their web products using modern tech like .NET, React, and TypeScript. From prototype to production.

Available for new projects
Based in Iași · Working remotely with clients worldwide
Book a free 20-min call → View selected work
Services

How I can help your product

I focus on practical, ROI-driven work. No “experiments in production.” Just solid engineering, honest communication, and predictable delivery.

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Web Application Development

Design, build, and ship complete web apps tailored to your business.

  • Custom dashboards and internal tools
  • Public-facing apps with authentication
  • Responsive UI for desktop & mobile
⚡

Modernization & Refactoring

Take legacy systems and bring them to modern standards without pausing your business.

  • Rewrite critical parts in .NET / React
  • Performance & reliability improvements
  • Clean architecture & test coverage
🤝

Tech Partnership

Long-term collaboration where I act as your part-time technical partner.

  • Roadmapping and technical decisions
  • Mentoring your internal team
  • Ongoing maintenance & small features
Projects

Selected work

A snapshot of recent projects. More detailed case studies are available on request.

SaaS Dashboard ASP.NET + React

Analytics platform for insurance broker

Built a multi-tenant dashboard so managers could track KPIs in real-time instead of waiting for weekly Excel reports.

Result: reporting time cut from 3 days to 10 minutes.
View live GitHub
Client Portal .NET Core

Self-service portal for B2B clients

Implemented a secure portal for clients to manage subscriptions, invoices, and support tickets without emailing back and forth.

Result: 40% fewer support emails in 3 months.
Case study
Internal Tool React + API

Automation for manual back-office work

Built an internal tool that automated repetitive admin tasks and integrated with existing APIs.

Result: saved ~30 hours/month per employee.
Demo video
Skills

Tech I use day-to-day

I’m comfortable taking responsibility for architecture decisions, not just writing code and tickets.

Core technologies:

C# ASP.NET Core Entity Framework REST APIs React TypeScript HTML/CSS SQL Server PostgreSQL Azure Docker CI/CD
.NET / C# Expert
React / TypeScript Advanced
Architecture & APIs Advanced
Databases & Performance Solid
Testimonials

What clients say

Real feedback from people I’ve worked with long-term. No fluff.

“We finally have a reliable app. John is honest about trade-offs and doesn’t overpromise. He just ships.”

Andrei I.
Founder · SaaS startup
18-month collaboration

“Clear communication, solid code, and no drama. He suggested better solutions than what we originally had in mind.”

Marta S.
Product Manager · Fintech
3 projects shipped

“We migrated a critical internal tool with basically zero downtime. Our team adopted it quickly thanks to a clean UI.”

Bogdan R.
Operations Lead
Ops automation
Contact

Tell me about your project

Briefly describe what you’re building, your timeline, and your budget range. I’ll get back within 24 hours with next steps.

Prefer email first, call later. Once I understand your context, we’ll schedule a short call to clarify requirements and see if we’re a good fit.

  • Email: youremail@example.com
  • Timezone: Europe/Bucharest (UTC+2)
  • Languages: English, Romanian

For long-term engagements (3+ months) I usually work on a fixed monthly retainer instead of hourly billing.