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Freelance OpenAI Developer - Adrian Segui
Freelance OpenAI Developer5.0 (237 reviews)

**📝 Profile Context / Summary** With 10+ years across enterprise IT and global freelancing, I am an AI-Stack Architect—not just a full-stack developer. In 2026, the industry has shifted decisively: software is no longer just written; it is architected, governed, and continuously learned. The most valuable engineers are no longer those who simply write code, but those who can turn code into cognition—engineers fluent in the AI-stack. I am that engineer. I design and build agentic platforms—systems where AI doesn't just assist but actively plans, builds, tests, and releases software. I have successfully delivered complex solutions across Medical, Fintech, Employee Management, and SaaS industries, handling everything from AI-native frontends to hyper-scalable microservices with autonomous agent orchestration. **🤖 AGENTIC AI & MACHINE LEARNING** 2026 is the breakout year of AI inferencing—where trained models generate predictions and outputs from new data. Most AI computing is now spent on inference rather than training. I specialize in: Agentic AI & Orchestration: LangChain, LlamaIndex, AutoGen, CrewAI—building multi-agent systems that plan, act, and adapt in real time. Full-stack agent platforms combining proprietary training data, planning models, and custom actuation layers. Generative AI & LLMs: OpenAI GPT-4/API, Google Gemini, Anthropic Claude, HuggingFace Transformers. Retrieval-Augmented Generation (RAG) with vector databases (Pinecone, Chroma, Weaviate, FAISS). AI-Native Development: 42% of committed code is now AI-generated, projected to reach 65% by 2027. I don't just use AI tools—I orchestrate AI agents across the entire SDLC: planning, design, build, test, deployment, and maintenance. Deep Learning & Classical ML: TensorFlow, PyTorch, CNNs (Computer Vision), RNNs/LSTMs (Time-Series/NLP), Scikit-learn, Pandas, NumPy. Model Deployment & Optimization: Model compression, quantization, edge computing, cost-per-prediction optimization. AI Governance & Security: AI-generated code carries roughly double the security risk violations of human-written code. I implement robust governance, testing, and security controls for AI systems. **⚛️ MODERN FRONTEND** React remains the most widely used UI library, with 67% of new enterprise React projects now built on Next.js—a 300% increase since 2023. React Server Components are now the default: Core: React 19, Next.js 16 (App Router, Server Components, Turbopack), Remix, Svelte 5 (runes), Astro. Styling: Tailwind CSS, shadcn/ui (1.87M weekly downloads), Framer Motion, Material-UI. State: Zustand (35% adoption, 35ms updates) vs Redux (38% adoption, 65ms), TanStack Query, Jotai. Build Tooling: Vite 8 with Rolldown (Rust-based, 10-30x faster builds), Turbopack. TypeScript: Used by 38% of professional developers, required in 72% of frontend job postings. **📱 MODERN MOBILE** React Native's New Architecture (stable since 2024) delivers significant performance improvements through synchronous native module calls: Frameworks: React Native (Expo), NativeScript, Flutter. Native: iOS (Swift/SwiftUI), Android (Kotlin & Jetpack Compose). Emerging: GPU-powered rendering for consumer and enterprise apps. **⚙️ MODERN BACKEND & API** Runtimes: Node.js (NestJS, Express), Bun, Deno, Python (FastAPI—57.9% developer usage, up 7% from 2024), Java (Spring Boot 4.0—modularized, Java 25 LTS support). Spring AI 1.0: Built-in support for integrating LLMs and AI services into enterprise Java applications. API Design: RESTful, GraphQL (Federation), gRPC, Webhooks, WebSockets. Event-Driven: Apache Kafka, RabbitMQ, AWS SNS/SQS. **☁️ DEVOPS & CLOUD (2026 Standard)** Cloud-native and Serverless adoption has surpassed 70% penetration in enterprise IT. Multi-cloud is now the standard—Gartner projects over 75% of cloud customers will adopt this model: Cloud: AWS, GCP, Azure (multi-cloud architecture). Containerization & Orchestration: Docker, Kubernetes (K8s), Helm. Serverless: AWS Fargate, Lambda, Cloudflare Workers—extending to data pipelines, real-time streaming, and event-driven microservices. IaC: Terraform, AWS CDK, Pulumi. CI/CD: GitHub Actions, GitLab CI, ArgoCD, Jenkins. **🗄️ DATABASES & SEARCH** Relational: PostgreSQL (PostGIS), MySQL, SQLite. NoSQL: MongoDB, DynamoDB, Firebase. Vector (AI): Pinecone, Chroma, Weaviate (for RAG and semantic search). Search: Elasticsearch, Algolia, Meilisearch. Caching: Redis, Memcached. **🔗 CRM, AUTOMATION & INTEGRATION** In 2026, the CRM market is consolidating around Salesforce, Microsoft, ServiceNow, and HubSpot as a durable challenger. Both platforms have invested heavily in agentic AI, predictive intelligence, and conversational AI: CRMs: Salesforce (Apex), HubSpot (Agentic Engagement Object), Zoho. Low-Code/No-Code: Gartner forecasts the low-code market at $44.5 billion in 2026, with 75% of new enterprise apps built on low-code platforms. Automation: VBA, Excel Macros, Google App Script, Bubble.io, n8n, Make, Zapier. Citizen Development: 80% of low-code users are now "citizen developers". **🚀 Why Partner With Me in 2026?** The software industry has crossed a clear threshold in 2026. Generative AI is no longer just helping developers write code faster—it is reshaping how software is planned, built, tested, and delivered. The role of the developer has evolved from coder to curator of intent, constraints, and outcomes. **I bring:** 10+ years of battle-tested engineering across the full spectrum. Agentic AI fluency—the ability to orchestrate AI agents across the entire SDLC. Systems thinking and architectural judgment—skills that AI cannot replace. Security-first mindset—AI amplifies what's already there; where code quality is managed, AI accelerates delivery; where it isn't, it accelerates technical debt and security exposure. Whether you need an AI-native application, a microservices overhaul, an agentic workflow orchestration, or an intelligent CRM integration—I deliver professional, scalable, and governable solutions. Let's architect intelligence together. **Contact me today.**

Freelance OpenAI Developer - RajhaRajesuwari S
Freelance OpenAI Developer5.0 (2467 reviews)

⏱ MY WORK HOURS : 7AM to 11 PM INDIAN STANDARD TIME . 16 HOURS A DAY :) I’m a senior full-stack developer with 19+ years of real-world experience delivering scalable web and mobile solutions across industries. I work end-to-end—from architecture and development to optimization, security, and deployment. 💻 Web Technologies AI, OPEN AI, GIThub Copilot, Claude Code, Loveable PYTHON , CORE JAVA , ASP.NET PHP Ecosystem: WordPress, Magento, Shopify, OpenCart, Joomla, OsCommerce Frameworks: Laravel, CakePHP, CodeIgniter, Yii Frontend: JavaScript, Angular, React Backend: Node.js, Python (Flask, Django) Automations : Zapier 📱 Mobile & Cross-Platform React Native FlutterFlow API-driven mobile app backends 🤖 Advanced Skills AI & third-party API integrations Payment gateway integrations SEO, speed optimization & performance tuning Malware removal & security hardening VB Macros & automation solutions ⚡ Strengths: Fast delivery, clear communication, production-ready solutions 👥 Team Support: Backed by a 10-member team (2 designers + 8 developers) for large-scale and long-term projects I don’t just write code—I solve problems, mentor developers, and deliver results. If you need reliable guidance or hands-on execution across web, mobile, or AI-powered systems, I’m here to help. Faster delivery and 24/7 communication are my greatest plus.

Freelance OpenAI Developer - Kazi Sohan
Freelance OpenAI Developer5.0 (166 reviews)
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I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.

Freelance OpenAI Developer - Kirill Erokhin
Freelance OpenAI Developer5.0 (233 reviews)

I am a senior full-stack & DevOps developer with a track record of maintaining distributed infrastructure, recent deep experience in large-scale data pipelines and a growing skillset and interest in applied AI/LLM integration. My recent work at an e-commerce search engine startup had me building and maintaining scrapers and a data pipeline that ingested over 10M product SKUs into an OpenSearch index, which was used for hybrid vector+lexical product search, enriched with LLM signals extracted as part of the pipeline. I've used reranking techniques like RRF to enhance relevance after retrieval, and RAG/grounding for features that answered personalized user queries with recommendations grounded in real customer reviews. My earlier work was heavily full-stack and always involved infrastructure where I often built and supported systems end-to-end, very often in context of a regulated market - with great examples like Deckard (PropTech/GovTech), Sick Children's Hospital/RareConnect (Healthcare-adjacent), and Ethoca \[now MasterCard\] (FinTech). I've also led IaC initiatives at Ethoca (Chef/Ansible, in 2016-17), and even implemented IaC from scratch for two startups - Pastel Labs (Terraform automation of AWS infrastructure for a B2B SaaS and a tutoring marketplace, in 2021), and Rilara (Pulumi for AWS infrastructure of their e-commerce product, in 2025-26). My startup experience is proven track record of working independently, but I also thrive as part of a team, with most recent example of being part of Deckard's distributed remote engineering team of 25+ people spread across the US and Australian timezones. Claude Code is part of my everyday workflow, and I am happy to consider myself a relatively-older senior developer who has successfully adapted to an AI-assisted/AI-first SDLC without compromising the quality of my work. I would be very excited to continue my journey with an opportunity in healthcare or finance, where I could apply my IaC skills while continuing to explore the world of LLM applications to improve user experience in these regulated environments. Should you have any questions about any of the background I mentioned here or on the attached resume, I would be glad to answer them in an interview at a time of your convenience. Thank you!

Freelance OpenAI Developer - Akshay Jaiswal
Freelance OpenAI Developer

I'm Akshay Jaiswal, a Senior Mobile Application Developer with 8+ years of experience building high-quality Android, iOS, and Web applications. I specialize in Flutter, FlutterFlow, Firebase, Supabase, REST APIs, AI integrations, and scalable mobile architectures. Over the years, I've delivered 15+ production applications for startups and businesses across different industries. As a mentor, I enjoy helping developers solve complex problems, review code, improve application architecture, optimize performance, and follow best practices. Whether you're stuck with Flutter, FlutterFlow, Firebase, state management, API integration, or app deployment, I focus on providing practical solutions that you can apply immediately. My goal is not only to fix issues but also to help developers understand the reasoning behind each solution so they can grow into confident mobile engineers.

Freelance OpenAI Developer - Malay
Freelance OpenAI Developer5.0 (101 reviews)

I'm an accomplished polyglot developer with over ten years of extensive experience specializing in design innovation, crafting clean and maintainable code, managing multiple databases and caches, orchestrating CI/CD pipelines, and adeptly resolving even the most challenging production issues through impeccable debugging and analytical skills. Here's more about me https://malaymehta.com My expertise extends to a diverse range of areas, making me a valuable resource for your software development needs: - **Application Development:** Whether you're launching a new project from the ground up or seeking guidance on selecting the most suitable technology stack and adhering to best code quality practices, I can provide valuable insights and assistance. - **Complex Problem Solving:** I excel in crafting intricate coding solutions and swiftly tackling critical bugs that can ablaze your production environment. - **Clean Coding and Testing:** I'm committed to promoting clean coding practices and achieving comprehensive test coverage to ensure the robustness and maintainability of your software. - **CI/CD Pipeline Setup:** I deeply understand setting up CI/CD pipelines on various widely recognized platforms, streamlining your development process. - **Cost-Effective Deployments:** When deploying your application, I prioritize cost efficiency in the cloud environment, helping you transform your ideas into reality without breaking the bank. - **Security Analysis:** My knowledge includes conducting thorough security analyses to fortify your applications against potential threats. My dedication to continuous learning has allowed me to accumulate knowledge in many technologies. My diverse experience equips me to assist you on various fronts of software development. If this resonates with your needs and you recognize that my skills align with your requirements, I encourage you to connect with me. When reaching out, please provide a brief summary of the assistance you're seeking. I stand by the quality of my mentoring sessions, and if you're unsatisfied with the resolution, I'll issue a full refund. For students with unverified profiles, I offer discounted rates as a gesture of support for your learning journey. Thank you for considering me as a potential partner in your software development endeavors.

Freelance OpenAI Developer - Nishant Tiwari
Freelance OpenAI Developer

- A Full-stack software developer - Passionate about new technologies - Always ready to help - Experience .Net ecosystem, Java and react - Clean coder

Freelance OpenAI Developer - Tanisha Bhayani
Freelance OpenAI Developer5.0 (319 reviews)

8 years of experience in building and managing AI Systems. * I develop end-to-end AI systems from requirements analysis, and data gathering to deployment, implementing new methods/research papers, and turning projects into research outcomes. I have achieved substantial performance in DL/ML/RL models for CV and NLP domain problems. * Implementing and deploying projects handling and maintaining scalability, research papers as well as POCs. * Project planning, requirements gathering, and analysing requirements to define the system's architecture, and implementation timeline. * Provide mentoring to junior developers for ML projects. Website: [roshantanisha.github.io/?ref=codementor](http://roshantanisha.github.io/?ref=codementor) Summary: I like to work on technology that is smart, simple and sophisticated. This sums up the vast knowledge required to work on projects to excel in a working product. I like to train Deep Neural Networks and understand them well. I have mentored many students for their AI careers, teaching them Machine Learning and Mathematics. I am a mentor for the RFS (Reach for the Stars) Programme by the Aga Khan Education Board for India. I am an alumnus of this program as well. I have a cumulative experience of 8 years working in the product and service-based industry for creating Machine Learning projects. I have done some innovative work that I am proud of and am continuing to do so. I try my best to contribute my expertise to the project I am working on. Highly Experienced in Machine Learning, Deep Learning, Advanced Deep Learning, Artificial Intelligence, and Algorithms, including models in the production environment, and deploying ML models. Working with top Indian colleges like BITS, niche NLP and CV, real-estate startups, MNCs, and Fortune top 20 companies, working with sensitive anonymized datasets, and creating state-of-the-art models are some of my achievements. I have strong and correct knowledge of Deep Learning concepts from the above experiences. \- Hands-on experience across several advanced AI and graphics-related domains, including: * **3D graphics and reinforcement learning pathfinding** for autonomous driving systems, including work related to the **NASA Rover Challenge**. * **Brain tumor segmentation and classification** using computer vision and deep learning techniques. * **Video analytics and video classification**, including in-video action recognition and classification workflows.

Freelance OpenAI Developer - Bryan Mayor
Freelance OpenAI Developer5.0 (237 reviews)

NYC based developer with 16+ years of experience (independent freelancing, at Fortune 500s and at small startups). Languages include PHP, Javascript, Python, and Java. I have framework experience with Laravel, Symfony, CodeIgniter, and Vue. Always up for a challenge, whether it's new development or tracking down a bug. I enjoy overall architecture as much as getting into the finer details.

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Frequently asked questions

How long do OpenAI projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance OpenAI project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance OpenAI request on Codementor, check out our article.

How much does it cost to hire a freelance OpenAI developer?

We don’t charge anything when you post a freelance hiring request for OpenAI developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor OpenAI developers different?

We do a comprehensive technical and communications screen of all OpenAI developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing OpenAI developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your OpenAI project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

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