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Hi, Let's turn your AI vision into reality! I'm a Top-Rated Plus AI Engineer specializing in enterprise-grade AI solutions, multi-agent systems, and scalable backend architecture. With 3+ years of focused AI development experience and a proven track record at multinational companies, I transform complex business requirements into intelligent, production-ready applications that drive measurable results. 🎯 Core Specializations: Agentic AI & Multi-Agent Systems Expert in building cutting-edge agentic applications using LangGraph, CrewAI, and Model Context Protocol (MCP). I develop custom multi-agent architectures tailored to specific business use cases, enabling intelligent automation and decision-making systems. Advanced RAG Applications Built 8+ production RAG systems with self-RAG and adaptive architectures. Specialized in implementing evaluation frameworks and optimizing retrieval accuracy for enterprise-scale applications across multiple industries. LLM Fine-tuning & Cost Optimization Proven expertise in instruction fine-tuning (GPT-4o mini), custom model training, and cost-effective model replacement strategies. Successfully reduced client AI costs by up to 40% while maintaining performance through strategic open-source model implementation. Enterprise Backend Development Master-level proficiency in Python (FastAPI, Flask), database design with Alembic versioning, and cloud deployment across AWS, Azure, and GCP. Built scalable systems handling enterprise-level workloads with robust CI/CD pipelines. 💡 Technical Arsenal: AI/ML Frameworks: LangChain, LlamaIndex, Ollama, TGI, VLLM Vector Databases: Weaviate, Pinecone, FAISS, ChromaDB Data Processing: PDF, DOCX, PPTX, Excel, images (OCR), web scraping Models: OpenAI, Claude, Gemini, fine-tuned open-source models MLOps: Docker, CI/CD pipelines, Airflow, model versioning, evaluation frameworks Computer Vision & NLP: Custom model training, Stable Diffusion, OCR optimization Backend: PostgreSQL, MySQL, MongoDB, database versioning with Alembic Cloud & DevOps: AWS, Azure, GCP, containerization, Scalable deployment ✅ Why Choose Me: Proven Excellence: Top-rated freelancer with enterprise-level project experience and multinational company background and startup companies Innovation-Driven: Stay ahead of AI trends, implementing cutting-edge technologies like MCP, adaptive RAG, and latest LLM advancements daily Cost-Conscious Solutions: Specialize in building high-performance AI systems that optimize costs without compromising quality Full-Stack Capability: While AI/ML focused, I possess frontend integration skills and can deliver complete end-to-end solutions Exceptional Collaboration: High availability, flexible timing, proficient with GitHub/GitLab workflows, and always eager to explore new technologies Quality Standards: Write production-grade code, implement proper testing frameworks, and follow industry best practices for maintainable and scalable solution.

Experienced Platform and DevOps Engineer with over 15 years of progressive expertise in Linux system administration, infrastructure automation, and cloud-native technologies. Proven track record working with startups and enterprise clients across Europe and Asia, with hands-on experience in Kubernetes, Terraform, Ansible, Python scripting, CI/CD pipelines, and security hardening. I’ve led platform engineering efforts in fast-paced environments, delivering scalable, secure, and reliable infrastructure for production systems. My roles have spanned from System/Network Administrator to Senior Platform Engineer, giving me a full-stack view of system reliability, performance, and automation at scale. I specialize in: Infrastructure as Code (Terraform, Ansible) Kubernetes (GKE, EKS, on-prem clusters) and Hold a active certification KCNA, KCSA, CKA, CKAD and CKS. CI/CD setup (Jenkins, GitLab CI, GitHub Actions) Monitoring/Logging (Prometheus, Grafana, ELK) Cloud Platforms (AWS, GCP, Azure) Security best practices and DevSecOps Bash & Python scripting Let’s work together if you need a reliable, security-minded engineer who can deliver production-grade infrastructure and help scale your DevOps maturity.

🔧 Software Developer | System Administrator | Linux Server Expert | PHP & Python Specialist Welcome! I’m a dedicated and versatile Software Developer and System Administrator with extensive hands-on experience designing, developing, and deploying complex web applications and managing robust Linux-based server infrastructures. With a solid background in full-stack development, server architecture, and DevOps practices, I bring a unique blend of software engineering and system-level expertise—allowing me to build scalable applications while also ensuring optimal performance, uptime, and security on the backend. ⸻ 💻 Web & Software Development Expertise I specialize in developing dynamic and secure web applications using modern technologies and frameworks, with a focus on clean code, performance, and scalability. Languages & Frameworks: • PHP (Laravel, CodeIgniter, custom frameworks) • Python (Flask, Django, scripting, automation) • JavaScript, HTML5, CSS3, Bootstrap Database Management: • MySQL / MariaDB • PostgreSQL • SQLite • phpMyAdmin setup & optimization Web App Capabilities: • RESTful API development • Backend business logic and integrations • User authentication systems • Admin dashboards and reporting tools • Third-party API integration (payment gateways, social logins, etc.) I can work on both small-scale scripts and enterprise-level applications—designing systems from the ground up or jumping into existing projects with ease. ⸻ 🛠️ System Administration & DevOps As a certified Linux administrator, I have deep experience managing Linux-based environments, ensuring secure, stable, and scalable server operations. Operating Systems: • Ubuntu • CentOS • Red Hat Enterprise Linux (RHEL) • Debian Core System Admin Services: • Server provisioning and configuration • Apache, NGINX, and PHP-FPM setup • Firewall and network configuration • Shell scripting and automation • Backup strategies and disaster recovery Security & Optimization: • Hardening Linux servers • SSL/TLS certificate installation (Let’s Encrypt, custom) • Fail2Ban and intrusion detection setup • Load balancing and high availability configurations • Performance tuning for web and database servers Application Hosting & DevOps: • Web app deployment (PHP, Python, Node.js) • Database installation and tuning (MariaDB, MySQL) • FTP/SFTP and SSH server setup • Monitoring tools (Nagios, Zabbix, Netdata) • Version control with Git and GitHub/GitLab • CI/CD Pipelines setup ⸻ 🔗 Integrated Services I offer end-to-end solutions—from writing application code to deploying and securing it in a production environment. • Install and configure WordPress, Magento, and other CMSs • Setup and migrate servers or websites (Namecheap, GoDaddy, DigitalOcean, AWS, etc.) • Domain and DNS management • Email server configuration (Postfix, Dovecot) • SSL setup and renewal automation • Troubleshooting issues and performance bottlenecks ⸻ 🧠 Why Work With Me? • ✅ Versatility – I can handle both development and infrastructure. • ✅ Problem Solver – I don’t just patch issues—I fix root causes. • ✅ Client-Centric – Clear communication, on-time delivery, and post-project support. • ✅ Security-First Mindset – Security and uptime are always a priority. • ✅ Reliable & Responsible – You can trust me to own the task from start to finish. Whether you’re looking to build a robust web application, automate backend processes, or manage your server environment with confidence—I can help bring your vision to life. ⸻ 📬 Let’s Talk I’m available for: • Long-term collaborations • One-time troubleshooting tasks • System audits and security reviews • Full-stack web app development • DevOps and server architecture consulting Send me a message and let’s discuss how I can help with your next project.

Looking for a DevOps Engineer to automate deployments, optimize cloud infrastructure, and manage containers? I specialize in CI/CD with GitHub Actions, Docker, Terraform, and AWS to help build scalable, secure, and cost-effective cloud solutions. 🔧 How I Can Help You: ✅ CI/CD Automation with GitHub Actions – I will help you automate the software deployment process using GitHub Actions, making your workflows faster and more efficient. ✅ Docker & Application Deployment – I can containerize your applications with Docker and deploy them in scalable environments, making sure everything runs smoothly. ✅ AWS Cloud Setup & Optimization – I will set up and manage AWS services like EC2, S3, RDS, IAM, Lambda, EKS, ECS, Statemachines, Cloudfront and many more to ensure your infrastructure is secure, reliable, and cost-effective. ✅ Infrastructure as Code (IaC) with Terraform – I will automate and manage your cloud infrastructure using Terraform, ensuring consistency and scalability. ✅ CloudWatch Logging – I will set up AWS CloudWatch logs for effective monitoring and troubleshooting of your infrastructure. 💻 My Skills & Tools: ✔ CI/CD with GitHub Actions – Automate deployments, testing, and continuous integration. ✔ Docker – Containerize applications for consistent and scalable deployment. ✔ AWS Services: EC2, S3, IAM, RDS, Lambda, CloudFront, CloudWatch, ECS, EKS, API Gateway.... ✔ Infrastructure as Code (IaC): Terraform ✔ Monitoring & Logging: AWS CloudWatch Logs ✔ Version Control: Git, GitHub 📩 Let’s Get Started! Need help with automating deployments, Docker containerization, setting up logging, or managing cloud infrastructure? Let’s connect and discuss how I can assist with your project!

🏅 Top Rated | Job Success: 100% | 8+ Years Full-Stack Development Experience 💰 Earnings: $6k+ | ⏰ Hours Worked: 300+ | 30+ Completed Projects 👨‍💻 About Me Hi! I'm Prajwal Rai, a Senior Full-Stack Developer with 8+ years of experience delivering modern, scalable, and high-performance web applications. I specialize in Laravel, Node.js, Vue.js, React.js, and cloud deployment, building secure, maintainable, and user-friendly platforms. Whether it’s SaaS apps, real-time dashboards, or complex API integrations, I focus on scalable solutions that deliver real business value. 🔧 Why Hire Me ✅ Top Rated with 100% Job Success Score ✅ Expertise in full-stack development, cloud deployment, and enterprise-grade solutions ✅ Clean, maintainable, and scalable code ✅ Strong communication & deadline commitment ✅ Proven track record with 30+ successful projects 💻 Skills & Expertise Frontend: Vue.js, React.js, Next.js, Nuxt.js, JavaScript, TypeScript, Bootstrap, Tailwind CSS Backend: Laravel, Node.js, Express.js, NestJS, REST & GraphQL APIs Databases: MySQL, MongoDB, PostgreSQL Version Control & Deployment: Git, GitHub, GitLab, Bitbucket, Docker, CI/CD Cloud & Hosting: AWS (EC2, S3, RDS), DigitalOcean, Heroku 🌟 Portfolio Highlights KidsCorner – Full-featured school management app with parent, teacher, admin, and supervisor modules Nepvox AI – AI-based Text-to-Speech, Speech-to-Text, and Text-to-Image platform Dimitra EUDR – Blockchain & AI-powered agricultural compliance platform KoiZai – Cloud-based AdviceTech financial planning platform Check out my work: github.com/Prajwal100 💎 Bonus / Extra Credibility I am also the Founder & CEO of Nepvox AI, a cutting-edge AI platform for TTS, STT, and text-to-image applications. Leading my own AI product has given me deep technical, architectural, and business experience, which I bring to every client project — ensuring scalable, high-quality, and innovative solutions. 🚀 Let’s Build Your Project I help businesses and startups turn ideas into scalable, high-performance web applications. 📩 Message me now to discuss your project and get a reliable, expert solution!

I architect and build production-grade AI systems and scalable data infrastructure. With 7+ years of experience, I specialize in bridging the gap between cutting-edge Generative AI (LLMs, Agents, RAG) and robust enterprise Cloud/DevOps engineering. Whether you need to deploy autonomous AI agents, optimize a multi-terabyte Lakehouse, or fix critical database bottlenecks, I deliver solutions that are performant, scalable, and cost-efficient. 🚀 Recent Engineering Wins: Designed a multi-agent AI workflow using Google ADK, LangChain & CrewAI to automate video analysis systems. Optimized PostgreSQL/pgvector queries, reducing retrieval latency by 40% for a RAG application. Migrated legacy ETL to a Modern Data Stack (Airbyte + dbt + Snowflake), reducing data latency from 24 hours to 15 minutes. Built a real-time streaming pipeline on AWS Kinesis & Apache Flink handling 100k events/sec. Core Technical Expertise 🤖 Generative AI & LLM Engineering Agentic Workflows: Productionizing autonomous agents using Google ADK, LangChain, LlamaIndex, CrewAI, and Microsoft AutoGen. Tooling & Integration: Building custom tools with Model Context Protocol (MCP) and FastMCP servers. RAG Pipelines: Implementing Retrieval-Augmented Generation with vector databases (pgvector, Weaviate, Pinecone, ChromaDB, Qdrant, Milvus) and managing lifecycles via MLflow/Kubeflow. 🏗️ Modern Data Stack (MDS) & Engineering Transformation & ELT: Expert in dbt (Core/Cloud) for analytics engineering, Airbyte, and Fivetran for ingestion. Data Lakehouse Formats: Architecting ACID-compliant lakes using Apache Iceberg, Delta Lake, and Apache Hudi. Orchestration: Managing complex DAGs with Apache Airflow, Dagster, Prefect, and Mage.ai. ⚡ Big Data & Distributed Systems Processing & Compute: Architecting batch/streaming pipelines with Apache Spark, Ray-io (AI scaling), Apache Flink, and Kafka/Redpanda. OLAP & Warehousing: Designing warehouses on Snowflake, Databricks, BigQuery, ClickHouse, and DuckDB (for fast local analytics). Governance & Quality: Implementing data contracts and observability with Great Expectations, DataHub, and OpenMetadata. ☁️ Cloud-Native DevOps Infrastructure as Code: "One-click" deployments using Terraform, AWS CDK, and Pulumi. Containerization: Managing production clusters on Kubernetes (EKS, GKE, AKS), Helm, and Docker. CI/CD & Monitoring: Automated pipelines (Bitbucket, GitHub Actions, GitLab CI) with observability via Prometheus, Grafana, and Datadog. 🗄️ Database Architecture (SQL & NoSQL) Advanced PostgreSQL: Deep expertise in Citus (sharding), TimescaleDB, and performance tuning (pg_stat_statements). NoSQL & Graph: MongoDB, Cassandra, DynamoDB, and Neo4j. Why Work With Me? End-to-End Ownership: I don't just write code; I design the architecture, set up the cloud infra, and ensure it scales. Future-Proof Tech: I stay ahead of the curve (Iceberg, dbt, Agentic AI) to give your business a competitive edge. Let's build your next data-driven solution. Invite me to your job to discuss scope and strategy.