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**Who I Am AI Engineer specializing in LLM-powered applications and agentic AI systems. Strong background in multi-agent AI, intelligent automation, and cross-industry AI deployments. **What I Build 1. Agentic AI Systems 2. Multi-Agent AI Platforms 3. LLM Integrations 4. Custom AI Agents **Tech Stack & Skills Languages: Python, JavaScript (Node.js), TypeScript Frameworks: LangChain Cloud & Deployment: AWS, Azure, GCP, Docker Databases: PostgreSQL, MongoDB Other: API development, prompt engineering, RAG **Full Stack Development:** **Mobile App Development** (Native/Cross-Platform iOS/Android Apps) **Technologies / Languages I can work with are:** JavaScript Frameworks: Angular Node React Nuxt Next Nest Vue & other.. TypeScript Full Stack / Mean Stack / Mern Stack / .Net FullStack .NET Core Flutter DevOps Generative AI AI ML LLM UI UX Design - Figma, Adobe XD, Photoshop WordPress AWS / Azure / Heroku Native App Development Cross platform Applications Server Management Hosting / Deployment Database Management (MySQL, Postgres, MongoDB) Git, Jest, MaterialUI Infra: Terraform, AWS, Kubernetes, Docker, Github Actions, Jenkins, CircleCI TDD -->> 10+ years of experience in Development / Providing Customized Generative AI powered Solutions / Consultations work and have worked for everything from small business to unicorn startup. **WHAT I AM LOOKING FOR** Opportunity to collaborate with startups who are in search of a partner to build their ideas; with enterprises to transform their operations into impact-full solutions.
Tech Lead and Mentor with ten years of experience in various domains and tech stacks following the industry's best practices, architecture, testing, code reviews, debugging, profiling, and CI/CD pipelines. **I have something special for you - let's discover:** - Student discount is applied automatically. - Displayed rate is not pocket friendly - no worries - I have something special for you. <br/> **Highlights:** - Mentoring is one of my passions, and I have helped numerous mentees on their journey to become successful developers in various fields such as web, native mobile, and cross-platform development. - I have helped many developers to fix critical bugs and implement complex features on the platform. - Proficient in working with teams on software development life cycle(SDLC) from requirement gathering or planning, defining, designing technical architecture, building or developing, testing, deploying, and maintaining applications - Well verse with development process/tools like Github Actions, CircleCI, CodeMagic, Fastlane, Jenkins, BuddyBuild, Git workflow, Github workflow, Agile PM tools, Continuous integration, and continuous deployment(CI & CD), Test/Domain-driven development with keeping healthy test code coverage, etc. - Proficient in creating and working with different kinds of APIs - REST / GraphQL - Proficient in working with databases SQL and NoSQL - Proficient in object-oriented design, data structures, problem-solving, complexity analysis, and debugging. - Proficient in writing efficient, maintainable, reusable, testable code that preserves privacy and security. - Proficient with different platform/services integrations - Right knowledge of toolset and libraries for effective and productive work.
With over a decade of experience in full-stack development, I specialize in **Ruby on Rails, custom eCommerce solutions** (Spree, Solidus), **ReactJS**, and **DevOps**. My expertise spans designing and developing scalable, distributed cloud-based applications with a strong foundation in **database architecture** and **system refactoring**. As a technology leader, I’ve successfully delivered complex, high-impact projects across industries including **Real Estate, Finance, Healthcare, Marketing**, and **eCommerce**. My portfolio includes building sophisticated eCommerce marketplaces, **SaaS platforms**, and multi-channel selling applications. I am passionate about crafting innovative, robust software solutions tailored to meet diverse business needs. **Key Expertise:** - **Backend:** Ruby on Rails, building and scaling RESTful APIs. - **Frontend:** ReactJS, JavaScript, responsive UIs with Tailwind CSS, and Bootstrap. - **eCommerce Solutions:** Spree, Solidus, custom marketplaces, multi-tenant SaaS platforms. - **Database Architecture:** MySQL, PostgreSQL, MongoDB, Redis, Cassandra, optimized for high performance and scalability. - **DevOps:** CI/CD pipelines (CircleCI, AWS Pipeline), containerization (Docker), cloud platforms (AWS, GCP, Heroku, DigitalOcean). - **Test-Driven Development:** Expertise in TDD using RSpec, ensuring high code quality and maintainability. In addition to my technical expertise, I have a strong commitment to **open-source contributions** and have developed multiple **Ruby/Rails/Spree extensions**. I also bring a wealth of experience in **refactoring legacy code bases**, implementing **performance optimisation**, and improving **scalability** and **security**. My passion lies in helping businesses unlock their full potential through technology, and I am always eager to collaborate on long-term, impactful projects. Let’s build the future, one line of code at a time. Best regards, Rahul Singh
I'm a **Senior Software Engineer with 10+ years of experience** designing, building, and deploying production applications, APIs, SaaS platforms, and AI-powered products. I specialize in **full-stack development, AI agents, and LLM-powered applications**, combining years of hands-on software engineering experience with modern AI technologies. I'm an active software engineer who also enjoys helping other developers. Although I'm no longer mentoring full-time, I'm available for occasional **1-on-1 coding sessions, debugging, architecture guidance, and code reviews**. ### 🤖 AI Engineering & Agents - **LLMs:** OpenAI, Anthropic Claude, Google Gemini, Groq, AWS Bedrock, and local models (Ollama, LLaMA) - **AI Frameworks:** Vercel AI SDK, Google ADK, LangChain, CrewAI, AutoGen - **AI Agents:** Tool/function calling, MCP (Model Context Protocol), multi-agent systems, autonomous workflows - **Voice AI:** LiveKit, real-time voice agents, telephony integration, browser-based voice calls - **RAG & Knowledge Bases:** Vector search, embeddings, MongoDB Atlas Vector Search, retrieval pipelines - **LLM Engineering:** Prompt engineering, structured outputs, evaluations (evals), testing, observability, and reliability ### 🚀 Full-Stack Software Development - **JavaScript & TypeScript:** React, Next.js, React Native, Expo, Astro - **Backend:** Node.js, Express, Fastify, REST APIs, GraphQL - **Python:** FastAPI, Flask, automation, API development - **Databases:** MongoDB, PostgreSQL, Redis - **Frontend:** HTML, CSS, SCSS, Tailwind CSS - **Testing:** Playwright, Vitest, Jest ### ☁️ Cloud, DevOps & Infrastructure - **Cloud Platforms:** AWS, Google Cloud, Vercel, Cloudflare, DigitalOcean - **Linux & Containers:** Ubuntu, Debian, Docker, Bash - **Serverless:** AWS Lambda, Cloudflare Workers, Vercel Functions - **CI/CD & Monitoring:** GitHub Actions, Jenkins, Sentry, New Relic ### 💡 How I Can Help Whether you're debugging a React application, building a backend API, integrating an LLM, developing an AI voice agent, or planning the architecture of a new product, I can help you work through the challenges. I bring **real-world engineering experience** to mentoring sessions, focusing on practical solutions, clean architecture, and understanding the trade-offs behind technical decisions. I have also spent years teaching and mentoring developers, helping beginners and experienced engineers improve their skills and confidence. ❤️ **Open source enthusiast:** [github.com/gianpaj](https://github.com/gianpaj) **Stuck on a problem or need a second opinion?** Click **Let's Chat** and tell me what you're working on.
Senior DevOps and Site Reliability Engineer with 10+ years of experience building, operating, and automating Linux and cloud-native platforms. Strong background in Kubernetes, Terraform, Ansible, CI/CD, GitOps, observability, and production troubleshooting across AWS, GCP, OCI, Azure, OpenStack, IBM Cloud, OpenShift, and on-premises/virtualization environments including VMware, Xen, KVM, Experienced with multi-cloud platform standardization, Kubernetes operations, and SOC 2 / PCI DSS-aligned security and compliance processes.
Full refund if I fail to solve the problem. I am an experience full stack developer of over the 6 years of experience in software development industry. I worked in multiple academies as a mentor, and work in different software companies with different role like front development and back end development writing a web API for cross platform, and asp.net. My specialty is to design a database, writing a web API, LINQ to Sql, and also front development like Html5, Css3, JavaScript, JQuery, Reach.
I'm a skilled developer in a large number of different computer specialties. Can do everything from building and installing servers to programming in more languages than you probably knew exist.
Web and enterprise applications developer specializing in API and cloud-based applications using Ruby on Rails and .NET
Technical cofounder, board member, and seasoned operator with experience building and growing early stage companies (pre-seed to late Series), large scale government and commercial projects, and nonprofits.
AWS Certified Solutions Architect and MLOps / DevOps Engineer with over 9 years of experience designing, deploying, and operating secure, scalable cloud and AI-driven platforms across AWS and Azure. Proven expertise in containerization and orchestration with Docker and Kubernetes (EKS, AKS, OpenShift), enabling high-availability, multi-cluster deployments and large-scale application modernization. Strong background in building end-to-end CI/CD pipelines using GitHub Actions, Terraform, and Helm to drive automation across infrastructure, application delivery, and machine learning workflows. Extensive hands-on experience in Python development, building production microservices with FastAPI and Flask, designing robust API architectures, and supporting real-time applications with WebSockets and streaming frameworks. Skilled in establishing MLOps pipelines, deploying and monitoring ML models in production, and optimizing GPU-based workloads for performance and cost efficiency. Experienced with vector databases, embedding-based systems, and large-scale PostgreSQL environments. Deep understanding of cloud security, observability, and disaster recovery planning.
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