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ChatGPT AI Integration Full Stack Development Next.js Node.js PHP
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Roman Y.

@romany55

5.0
1

2.4

2.4

100%

From Idea to Product to Real Impact

$35 USD / Hour

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Ukraine (2:13 AM)

Joined on April 1, 2026

$35 USD / Hour

I build full-stack web apps that actually move business metrics - not just "look good". Over the past 3+ years, I've delivered 8+ production platforms across SaaS, EdTech, and eCommerce using Python (Django/FastAPI) and React/Next.js. My work has helped clients improve performance by up to 40%, automate up to 70% of manual workflows, and increase conversions through better UX and system design. Recently, I built: ✅An AI SaaS platform using GPT-4.1 that processes thousands of inputs daily ✅A scalable EdTech system serving thousands of monthly users ✅Multiple business websites that boosted traffic, SEO rankings, and online sales I focus on: ✅Clean, scalable backend architecture ✅Fast, SEO-optimized frontend (Next.js) ✅AI integrations (OpenAI APIs, automation) ✅Payments & subscriptions (Stripe) I'm not the type to just "deliver tasks" - I think in terms of product and business impact. If something can be faster, simpler, or more scalable, I'll call it out and fix it. If you need someone who can take a feature from idea → production without hand-holding, we'll get along well. Let's build something solid.

Verifications

On time

100%

On budget

100%

Accept rate

100%

Portfolio

Portfolio

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5.0 · 1 Review
1 Review
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Joseph Anthony G.

5.0

$150 USD

1 month ago

AI Speech-to-Text + Medical Conversation Capture for Healthcare Web App

He's communicative and professional. I'd definitely work with him again.

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Experience

Full Stack Developer

Feb, 2023 - Apr, 2026

3 years, 2 months

AnyforSoft

Feb, 2023 - Apr, 2026

3 years, 2 months

Full Stack Developer at AnyforSoft, delivering 6+ web and AI-driven platforms across EdTech, SaaS, and eCommerce. Built scalable systems using Python and React, improving performance by up to 40% and automating 70% of manual workflows. Integrated payments and AI features that increased conversions, user engagement, and enabled digital growth for multiple businesses.

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Rivne, Ukraine

Feb, 2023 - Apr, 2026

3 years, 2 months

Freelance Full Stack Developer

Jul, 2022 - Feb, 2023

7 months

Soft Group

Jul, 2022 - Feb, 2023

7 months

Delivered two client projects as a freelance full stack developer at SoftGroup, including a custom CRM system and a corporate website. Improved system performance by ~20% and reduced manual workflows through automation. Built responsive, SEO-friendly interfaces that increased usability and supported client lead generation and operational efficiency.

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Rivne, Ukraine

Jul, 2022 - Feb, 2023

7 months

Education

Ternopil State 'Ivan Pul'uj' Technical University

2021 - 2025

4 years

Bachelor of Science in Computer Science

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Ukraine

2021 - 2025

4 years

Certifications

P

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