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Freelance Full Stack Developer - Adrian Segui
Freelance Full Stack 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 Full Stack Developer - Olajide Olanrewaju
Freelance Full Stack Developer5.0 (382 reviews)
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I am a **Multi-talented** professional adept in **Full Stack Web Development**, **Web Security Research**, and **Robotics Engineering**. As a dedicated Web Security Researcher and ethical hacker, I uncover vulnerabilities and mitigate security risks, bridging the gap between development and cybersecurity. Additionally, as a Robotics Engineer, I design and build sophisticated robotic systems, applying my deep understanding of mechanics, electronics, and programming. Passionate about crafting clean, scalable code and innovative robotics solutions, I contribute to projects that prioritize both robust development, cybersecurity practices, and cutting-edge robotic technology.

Freelance Full Stack Developer - RajhaRajesuwari S
Freelance Full Stack Developer5.0 (2468 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 Full Stack Developer - Prince
Freelance Full Stack Developer5.0 (93 reviews)

Hi, I’m a senior developer and AI engineer with 7+ years on Codementor, rated 5 stars across 93+ reviews. I specialize in AI Agents Development and Security, Python, Gen AI/ML, computer vision, automation, and full-stack development. I focus on practical, scalable solutions — from debugging tough issues to building complete systems. I’m passionate about autonomous agents and their safety, and efficient system design. Latest AI agent app - IntentFrame You can also visit my GitHub(@maniotrix) to know more about my latest ai product development capabilities. If you need sharp technical help grounded in real-world experience, I’m here to help.

Freelance Full Stack Developer - Alden Gillespy
Freelance Full Stack Developer

Full-stack engineer (**React, Node.js, JavaScript, Next.js**) with production experience at Ancestry and NBCUniversal, now building and shipping SaaS products end-to-end as a founder — **I help mentees go from stuck to shipped**, whether that's debugging a gnarly bug or architecting a feature from scratch.

Freelance Full Stack Developer - tiamiyu adetayo
Freelance Full Stack Developer4.9 (29 reviews)

Hi wonderful clients. I am a dedicated engineer with excellent communication, time management and computer skills. I aim to leverage my abilities to successfully solve whatever challenges you may face in my field. Frequently praised as hardworking by my peers, I can be relied upon to help achieve your set goals. WIth several years of dexterity with several web development tools such as Reactjs, AngularJs, NodeJs, Postgres, MySql, Laravel, Php, Ionic framework, i position myself to be amongst one of the best in the software engineering field.

Freelance Full Stack Developer - david ibitoye
Freelance Full Stack Developer5.0 (25 reviews)

Available 60 hours/week ⏳ | Committed to delivering high-quality, optimized, and fully tested solutions. As a seasoned software engineer and full-stack developer with over seven years in the tech industry, I’m dedicated to crafting robust, scalable, and efficient solutions. My passion lies in building, optimizing, and leading technical teams to deliver impactful projects. ### Skill Set & Technologies Leveraging a versatile stack, I have expertise in developing high-quality web applications using: * **Frameworks & Languages**: Laravel, PHP, FilamentPHP, Livewire, Node.js, Vue.js, React.js, JavaScript * **Testing & Optimization**: PHPUnit, Pest, Laravel Dusk, Redis, Memcache * **Frontend**: Bootstrap, jQuery, HTML5, CSS * **Databases**: MySQL, Postgres, MongoDB * **Stacks**: TALL, LAMP, and LEMP stacks with a strong foundation in OOP and design patterns * **APIs**: Skilled in building and integrating RESTful APIs for seamless data sharing ### Services My services include: * **Development**: Creating fully optimized, scalable applications * **Code & Peer Review**: Providing detailed feedback and recommendations for continuous code improvement * **Testing**: Writing unit, feature, integration, and performance tests * **Project Collaboration**: Working closely with you or your team to build effective solutions ### Project Types If you have a web development, optimization, or data processing project, I’m eager to help you achieve exceptional results. ### Collaboration Let’s discuss how we can bring your vision to life! Whether you need a skilled developer or a team leader, I’m ready to contribute to your project’s success.

Freelance Full Stack Developer - Ajay Sharma
Freelance Full Stack Developer5.0 (13 reviews)

I enjoy sharing my knowledge and helping others grow in their careers. I find it rewarding to evaluate candidates, provide constructive feedback, and contribute to building strong, skilled teams.

Freelance Full Stack Developer - Kenta Ito
Freelance Full Stack Developer

I have worked as a full-stack web developer for 10+ years after graduation of university with tech stacks like React.js, Node.js, Python Django, PHP Laravel, Go, etc. My experience: - Full-stack web development using React.js, Node.js, PHP Laravel, Python Django - Write smart contracts for Ethereum, Solana networks using Solidity, Rust - Build DApps wih web3.js, ethers.js My goal is to provide maximum security, speed, and performance in all of my work. I'm always open to conversation, feel free to reach out and discuss your project with me. Looking forward to building a long-term relationship!

Freelance Full Stack Developer - Sandy Patel
Freelance Full Stack Developer

Experienced tech lead with a proven ability to deliver high-quality software solutions. Proficient in modern programming languages and frameworks, currently focused on developing AI-driven applications to solve real-world problems.

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Frequently asked questions

How long do Full Stack 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 Full Stack 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 Full Stack request on Codementor, check out our article.

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What makes Codementor Full Stack developers different?

We do a comprehensive technical and communications screen of all Full Stack 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 Full Stack developers’ user satisfaction rates.

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