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SQL
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NumPy
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Business Intelligence (BI) Tools
ETL
Power BI
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Parsers
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Talend ETL
...

- Software engineer with over a decade of experience and background in AI and data science. - Skilled in predictive machine learning models, financial market analysis, and microcontroller development. - Proficient in Python, SQL, ETL processes, and data visualization tools like Power BI and Tableau. - Demonstrated expertise in managing technical directions of organizations and a history of academic excellence with a Master’s in Agronomy and advanced certifications in Data Analytics and Data Science. - ChatGPT 3 Turbo API and automating analysis tasks, showcasing the ability to leverage modern AI technologies to solve complex problems.

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Seniority Senior (5-10 years)
Location Kyiv, Ukraine
JavaScript 7yr.
Vue.js 5yr.
Python 3yr.
PostgreSQL 3yr.
amCharts
Bootstrap 4
jQuery
LESS
SASS
Tailwind CSS
Django
FastAPI
Flask
React
MySQL
Redis
Docker
Figma
Git
Notion
Slack
ChatGPT
...

Seasoned Full-Stack Engineer with 6+ years of significant experience in designing and building sophisticated web applications, with a particular strength in revenue management systems for the Japanese market. Known for exceptional proficiency in Python, JavaScript, and modern web technologies like Django, Flask, Vue.js, and React. Adept at all stages of software development from requirement analysis to deployment, consistently delivering projects that prioritize user experience and maintainability. Distinctive competencies include deep understanding of data visualization as evidenced by the implementation of complex features for SaaS platforms, combined with proficiency in critical full-stack development tools and practices such as Docker, CI/CD, and AWS. Recognized for a track record of remote freelancing success on Upwork, citing 100% job satisfaction over 24 jobs and more than 5,623 remote hours. Backed by a solid foundation in computer science with a completion of the reputable CS50x course from Harvard University.

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Seniority Senior (5-10 years)
Location Banha, Egypt
NLP 6yr.
LLM
C++
Python
PyTorch
Scikit-learn
Spacy
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FastAPI
Pandas
Power BI
FireStore
Google BigQuery
MongoDB
PostgreSQL
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Vector DB
AWS
Azure
GCP
Banking
STL
Adtech
AI
ChatGPT
GPT
Huggingface
LangChain
LlamaIndex
Openai
Vector
ViennaCL
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- Highly experienced Head of Data Science with 12+ years of experience in creating and managing DS/ML teams in startups and corporate projects; - Proficient in AI, NLP, Adtech, Fintech, and CV; - Strong leadership skills and a client-oriented approach; - Skilled in Python, SQL, Prompt Engineering, HuggingFace, PyTorch, Scikit-learn, Pandas, LangChain, LlamaIndex, Spacy, GPT, Plotly, GCP, AWS, Azure, Postgre, MongoDB, BigQuery, and Vector DB; - Proactive in implementing innovative approaches for product features using Generative AI, LLM, and GPT; - Experienced in proposing innovative solutions for new business problems and managing teams; - Holds a PhD in Data Science and a Master's degree in Computer Science.

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Location Portugal
Ruby on Rails
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Ruby
TypeScript
Angular
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Microsoft SQL Server
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Heroku
RSpec
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Klook
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Rspec. Mobx
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Viator
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- Full-stack Ruby on rails engineer with 12+ years of experience. - Proven expertise as a Ruby on Rails developer, with a focus on building and enhancing web applications, implementing new features, and optimizing database performance. - Worked with various frontend technologies such as React, Angular, jQuery, Datatables, ElementalJS, and VueJS - Developed mobile applications using technologies like React Native and Ionic, contributing to the expansion of platforms and providing a seamless user experience. - Demonstrated leadership skills as a Team Lead and Senior Full-Stack Engineer, leading projects from inception to completion, managing teams, and ensuring the successful implementation of functionalities.

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Seniority Senior (5-10 years)
Location Cherkasy, Ukraine

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Hire ChatGPT Developers: Build Smarter AI Solutions in 2025

Looking to hire ChatGPT developers? You’re in the right spot! Conversational AI is evolving fast, and ChatGPT—OpenAI’s powerhouse—leads the pack. From streamlining customer support to crafting personalized experiences, it’s a game-changer. But to make it sing, you need devs who know their stuff. Let’s explore why they’re key, what skills matter, and how to snag the best talent—all while riding 2025’s AI wave.

Why Hire ChatGPT Developers?

Hire Chat GPT image
ChatGPT isn’t just a chatbot; it’s a flexible AI that gets context and talks like a human. Here’s why expert developers are your ticket:
  • Tailored Solutions: Generic bots? Nah. ChatGPT devs build for your niche—e-commerce, healthcare, whatever.
  • Growth-Ready: They hook it into APIs and systems, scaling as you soar.
  • Edge Over Rivals: With AI booming in 2025, a custom ChatGPT setup keeps you sharp.
Fun Nugget: ChatGPT’s training data could fill a digital continent—talk about brainpower!

Skills That Make a ChatGPT Developer Stand Out

Not every coder can tame ChatGPT—it takes a special mix of know-how. Upstaff’s got the tech vetting covered, but here’s what separates the champs from the rest. Top devs live and breathe Python, wielding tools like transformers and PyTorch to shape ChatGPT’s magic. They’re wizards at natural language stuff—think turning raw text into smart replies with tricks like tokenization and embeddings.
Customizing ChatGPT? They nail it, tweaking models to fit your needs without breaking a sweat. They’re also pros at hooking it up—blending it with REST APIs or cloud setups like AWS and Azure to make it hum in your system. And when ChatGPT spits quirks like bias or weird outputs, they’ve got the creative chops to fix it fast. That’s the crew you want.

ChatGPT in 2025: Trends to Watch

AI’s moving fast, and ChatGPT devs are at the helm. Here’s what’s cooking:
  • Multimodal Magic – Text + images or voice = richer chats.
  • Ethics First – Transparency and bias fixes build trust.
  • Low-Code Vibes – No-code tools help, but pros rule complex builds.

🚀


Top Tools & Platforms for ChatGPT Development

ChatGPT plays nice with an ecosystem. Check this table of go-to tools devs wield:
Tool
What It Does
Launched
Shines For
ChatGPT (OpenAI)
AI chatbot with top-tier NLP
2020
All-purpose convo
Dialogflow (Google)
Intent-driven NLP platform
2016
Voice bots
Rasa
Open-source bot-building framework
2016
Custom, self-hosted AI
Microsoft Bot Framework
Multi-channel bot dev kit
2016
Big biz integrations
IBM Watson Assistant
AI with deep analytics
2014
Data-heavy chat insights
Quick Take: ChatGPT + Rasa = a killer combo for flexibility. Ask your dev!

The Evolution of ChatGPT: History, Intent, and Technical Edge

To hire the best, know ChatGPT’s story and strengths. Here’s the lowdown.

A Brief History

ChatGPT hit the scene in November 2020 from OpenAI—launched in 2015 by Elon Musk, Sam Altman, and AI trailblazers to redefine intelligence. Built on GPT roots, it outgrew GPT-2 and GPT-3 with slicker convo skills. By 2025, it’s everywhere—chatbots, code aids, you name it. OpenAI aimed for an AI that thinks, not just talks. Nailed it.

What Sets ChatGPT Apart?

ChatGPT’s a transformer-powered beast, crushing context and creation. Unlike clunky rule-based bots or Dialogflow, it’s pre-trained on a massive corpus, then tuned with RLHF for that human spark. BERT understands but doesn’t write—ChatGPT does both. LLaMA’s leaner, research-y, less practical. No scripts here; it flows mid-chat, perfect for support or creative gigs. Devs who tame its quirks turn it into gold.
Technical Sub-Directions & Models

ChatGPT’s a tech playground:

  • Big Guns: GPT-4 powers enterprise—real-time, multi-turn chats.
  • Mini Stars: DistilGPT, GPT-Neo slim down for speed (mobile-ready!).
  • Niche Tweaks: Fine-tuned for law, meds, coding—Copilot-style.
  • Multimodal Buzz: Text + vision (CLIP) or voice—2025’s frontier.
Fine-tuning’s tweaking weights—like dialing in a radio. PyTorch or Hugging Face devs dominate.

Outlook for ChatGPT Coders

Demand’s off the charts as AI reshapes 2025. These devs aren’t just coders—they’re future-shapers. Efficiency’s clutch: optimizing tokens and compute slashes costs (API bills bite!). They’re blending ChatGPT with LLaMA, Grok, even quantum rigs for hybrid wins. Ethics is massive—regs demand less hallucination, more clarity. Safety’s key too; guardrails keep it sane. Multimodal pros mix text with images or voice, while edge experts shrink models for devices. Hire one, and you’re banking on a convo architect who blends creativity and tech—solutions that outlast 2024’s hype.

How to Pick Your ChatGPT Developer: Get It Right

Upstaff’s vetted the tech—Python, NLP, fine-tuning, sorted. But how do you pick the perfect ChatGPT developer for your project? It’s about fit, not just skills. Here’s the quick, sharp guide.

Nail Your Brief

Be precise: “ChatGPT bot to cut support queries 40% with e-comm integration.” Not “something AI-ish.” A vague brief once got a chatbot reciting Shakespeare for a logistics firm—fun, but useless. Clear goals drive ChatGPT wins.

ChatGPT Experience Matters

Ask: “Built a ChatGPT bot before?” Seek wins like a customer service AI or content generator. A dev’s flashy GPT-3 art bot flopped for a law firm needing contracts. Their ChatGPT past should match your need.

Avoid These Traps

  • Mismatch: Aced ChatGPT but built a game AI, not the CRM sync I wanted.
  • Overhype: “Two weeks to fine-tune!” Six months later, zilch.
  • Solo Star: Great coder, zero team sync—project died.

Success Looks Like This

A startup said: “ChatGPT for 24/7 client FAQs.” Their dev, a ChatGPT pro, built a bot slashing response time from hours to minutes—client satisfaction jumped 25%. That’s your target.

Spot “The One”

Tech’s checked, so look deeper to find your “The One”:
  • ChatGPT Know-How: “How do you keep ChatGPT costs low?” Pros have practical hacks.
  • Business Sense: They tie “quicker replies” to “more sales”—not just tech talk.
  • Big Ideas: “Could it suggest answers early?”—that’s a keeper.
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Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.
Manager
Maria Lapko
Global Partnership Manager

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FAQs on ChatGPT Development

What is a ChatGPT Developer? Arrow

A ChatGPT Developer is a specialist in the ChatGPT framework/language, focusing on developing applications or systems that require expertise in this particular technology.

Why should I hire a ChatGPT Developer through Upstaff.com? Arrow

Hiring through Upstaff.com gives you access to a curated pool of pre-screened ChatGPT Developers, ensuring you find the right talent quickly and efficiently.

How do I know if a ChatGPT Developer is right for my project? Arrow

If your project involves developing applications or systems that rely heavily on ChatGPT, then hiring a ChatGPT Developer would be essential.

How does the hiring process work on Upstaff.com? Arrow

Post Your Job: Provide details about your project.
Review Candidates: Access profiles of qualified ChatGPT Developers.
Interview: Evaluate candidates through interviews.
Hire: Choose the best fit for your project.

What is the cost of hiring a ChatGPT Developer? Arrow

The cost depends on factors like experience and project scope, but Upstaff.com offers competitive rates and flexible pricing options.

Can I hire ChatGPT Developers on a part-time or project-based basis? Arrow

Yes, Upstaff.com allows you to hire ChatGPT Developers on both a part-time and project-based basis, depending on your needs.

What are the qualifications of ChatGPT Developers on Upstaff.com? Arrow

All developers undergo a strict vetting process to ensure they meet our high standards of expertise and professionalism.

How do I manage a ChatGPT Developer once hired? Arrow

Upstaff.com offers tools and resources to help you manage your developer effectively, including communication platforms and project tracking tools.

What support does Upstaff.com offer during the hiring process? Arrow

Upstaff.com provides ongoing support, including help with onboarding, and expert advice to ensure you make the right hire.

Can I replace a ChatGPT Developer if they are not meeting expectations? Arrow

Yes, Upstaff.com allows you to replace a developer if they are not meeting your expectations, ensuring you get the right fit for your project.