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CSS HTML JavaScript React.js Web Development
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Johnnie R.

@johnnier3

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5.0
6

4.8

4.8

100%

React | Next.js | Angular | C# | AWS | Tailwind

$70 USD / Hour

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United States (8:25 AM)

Joined on July 2, 2025

1 Recommendation

$70 USD / Hour

Hi, I'm Johnnie Reece, a Preferred Freelancer on this platform and a senior full-stack developer with over 10 years of experience delivering enterprise-grade, high-performance web applications for startups and Fortune companies. Core expertise and current tech stack: • Frontend: React 18+, Next.js 14/15 (App Router, Server Actions, Server Components), Angular 17/18+, TypeScript, Tailwind CSS, Redux Toolkit, React Query, Zustand, shadcn/ui • Backend: C# .NET 8 / .NET 9, ASP.NET Core Web API, Entity Framework Core, Minimal APIs, SignalR, gRPC • Cloud & DevOps: AWS (Lambda, ECS/Fargate, RDS, S3, CloudFront, Cognito, AppSync, CDK/IaC), Docker, GitHub Actions, Terraform What I deliver – consistently, on every project: → Pixel-perfect, fully responsive interfaces with 98–100 Lighthouse scores → Clean, modular, and well-documented architecture built for long-term maintainability and scale → End-to-end development: requirements analysis, architecture design, MVP delivery, production deployment, and post-launch support → Secure, high-performance backends (OAuth2/OpenID, PCI-compliant patterns, real-time features) → Cost-optimized AWS infrastructure with 99.99%+ uptime and auto-scaling → Smooth legacy migrations to modern React/Next.js + .NET 8/9 + AWS stacks → On-time, on-budget delivery with fixed-price or milestone structures My working approach: I operate as a true technical partner, not just a coder. You receive daily progress updates with live demos, direct access to me (no middlemen), proactive recommendations on architecture, performance, and cost optimization, and code that follows industry best practices and is ready for future team handoff. Clients return because projects are delivered faster, cleaner, and more reliably than expected — with zero surprises. Ready to work with a verified Preferred Freelancer who is fully up-to-date with standards and consistently exceeds expectations? Message me today to discuss your project. I typically respond within minutes and can start immediately.

Verifications

On time

100%

On budget

100%

Accept rate

75%

Portfolio

Portfolio

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5.0 · 6 Reviews
Reviews
S

E-commerce Landing Page Revamps $140 USD

Johnnie did a great job, all went perfect!

Pierre R.

@sporttema

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Karlshamn, Sweden

4 days ago

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C

UploadThing Concert Upload Setup $250 USD

Johnnie works fast and diligently. He solved things for me that I didn’t even know I needed and was very easy to communicate with. I will be working with him again.

Ariel F.

@colsoncontent

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Waunakee, United States

5 days ago

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N

Fantasy Football Site $600 USD

Completely my website quickly with quality work

Nathan M.

@Nmaged

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West palm beach, United States

16 days ago

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Web Spin-the-Wheel Game £300 GBP

What a guy !! Dis everything asked and more !!! 100 per cent will be using again in the near future !!!!

Karl D.

@karld4

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Harrogate, United Kingdom

2 months ago

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M

Next.js & Node App Enhancement -- 2 $1,200 USD

Great Developer! Would Recommend to anyone!

Matthew O.

@matthewo64

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Williamsport, United States

2 months ago

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Experience

React, Gatsby, Tailwind CSS Development

Aug, 2023 - Apr, 2025

1 year, 7 months

GrowSF

Aug, 2023 - Apr, 2025

1 year, 7 months

Worked as a Frontend developer to implement new features, fix bugs and maintain the website using latest technologies including React, Tailwind CSS, etc.

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San Francisco, United States

Aug, 2023 - Apr, 2025

1 year, 7 months

Frontend Engineer- Next + Tailwind

Mar, 2021 - Feb, 2023

1 year, 11 months

Zego | Insurance You Control | Telematics

Mar, 2021 - Feb, 2023

1 year, 11 months

Key Responsibilities - UI/UX implementation: Translated Figma designs into pixel-perfect and responsive user interfaces that align with Zego’s brand and user experience standards. - Optimize performance: Implemented web performance optimization techniques, such as server-side rendering, static site generation, lazy loading, and asset bundling, to ensure fast load times and smooth user interactions. ...

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London, United Kingdom

Mar, 2021 - Feb, 2023

1 year, 11 months

React/Next.js and Node.js fullstack development

Mar, 2018 - Jul, 2020

2 years, 4 months

Bravae

Mar, 2018 - Jul, 2020

2 years, 4 months

-https://www.bravae.com/

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Barcelona, Spain

Mar, 2018 - Jul, 2020

2 years, 4 months

Education

Cornell Law School

2025 - 2025

Master of Science in Legal Studies with a concentration in Tech Law

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United States

2025 - 2025

University of Maryland College Park

2024 - 2025

1 year

B.S. in Applied Technology

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United States

2024 - 2025

1 year

Certifications

P

Preferred Freelancer Program SLA

Registered Users

Total Jobs Posted

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