Hire the Best Artificial Intelligence Engineers
in Sri Lanka

⭐ TOP RATED AI ENGINEER | 100% JOB SUCCESS I build AI agents, intelligent automation systems, voice AI solutions, RAG applications, and full-stack AI platforms that solve real business problems. Whether you need an AI agent that can interact with your business tools, an automated workflow that eliminates repetitive work, a voice agent that communicates with customers, or a complete AI-powered SaaS application, I can help you design and build the solution from idea to deployment. 🚀 WHAT I CAN BUILD FOR YOU : 🤖 AI Agents & Agentic Systems ✓ Custom AI agents for business processes and internal operations ✓ Multi-agent AI systems and agent orchestration ✓ Tool-calling agents connected to APIs, databases, and business platforms ✓ AI personal assistants and business assistants ✓ Autonomous and human-in-the-loop AI workflows ✓ LangChain and LangGraph agentic applications ⚡ AI AUTOMATION & N8N WORKFLOWS ✓ AI-powered business process automation ✓ Advanced n8n workflows ✓ CRM, email, Google Workspace, Telegram, database, and API automation ✓ Lead processing and customer support automation ✓ Document and data processing pipelines ✓ LLM-powered workflow automation ✓ Third-party API and webhook integrations 🧠 RAG & KNOWLEDGE-BASED AI ✓ Chat with PDFs, documents, websites, and business knowledge ✓ Company knowledge-base assistants ✓ Document search and question-answering systems ✓ Vector search and semantic retrieval ✓ RAG pipelines with vector databases ✓ AI customer support and internal knowledge assistants 📞 VOICE AI & AI CALLING AGENTS ✓ Inbound and outbound AI voice agents ✓ AI customer support and appointment agents ✓ Real-time conversational AI ✓ Speech-to-Text and Text-to-Speech pipelines ✓ Twilio, Vapi, ElevenLabs, and Deepgram integrations ✓ Voice agents connected to CRMs, databases, APIs, and automation workflows 💻 FULL-STACK AI APPLICATIONS ✓ Complete AI-powered web applications ✓ AI SaaS platforms and MVPs ✓ React and TypeScript frontends ✓ FastAPI, Node.js, and NestJS backends ✓ Authentication, dashboards, admin panels, and APIs ✓ Supabase, PostgreSQL, and MongoDB integrations ✓ AI API integration and production deployment 📊 MACHINE LEARNING & COMPUTER VISION ✓ Classification and prediction systems ✓ NLP and text-processing applications ✓ Computer vision and image-processing solutions ✓ Data preprocessing and feature engineering ✓ ML model training, evaluation, and integration ✓ AI/ML models integrated into production applications 🛠️ TECHNOLOGY STACK - AI & LLMs: OpenAI, Claude, Gemini, Hugging Face, Transformers, LangChain, LangGraph, RAG, AI Agents, Prompt Engineering - Voice AI: Vapi, Twilio, ElevenLabs, Deepgram, Speech-to-Text, Text-to-Speech, Conversational AI - Automation: n8n, REST APIs, Webhooks, Google Workspace integrations, email automation, third-party APIs - Vector & AI Databases: Qdrant, Pinecone, FAISS, ChromaDB - Backend: Python, FastAPI, Flask, Node.js, Express.js, NestJS - Frontend: React.js, JavaScript, TypeScript, Streamlit - Databases: PostgreSQL, Supabase, MongoDB, MySQL, Firebase - Machine Learning: TensorFlow, Scikit-learn, Pandas, NumPy - Cloud & Deployment: AWS EC2, Vercel, Railway, Hugging Face, Firebase 🎯 WHY WORK WITH ME? I work across both AI engineering and full-stack software development, allowing me to build more than isolated AI prototypes. I can work across the complete development lifecycle: Idea → Architecture → AI/Agent Development → Backend → Frontend → APIs → Database → Automation → Deployment My focus is on building AI systems that are: ✓ Practical and business-focused ✓ Reliable and maintainable ✓ Designed for real-world workflows ✓ Integrated with your existing tools and APIs ✓ Built with clean and scalable architecture ✓ Ready to evolve as your business grows I have hands-on experience developing AI automation systems, conversational AI, voice agents, RAG applications, full-stack platforms, machine learning solutions, and production-oriented backend systems. I am also completing my BSc (Hons) in Computer Engineering at the University of Jaffna, Sri Lanka, with a strong focus on Artificial Intelligence, Machine Learning, and Software Engineering. 💡 HAVE AN AI IDEA? If you are planning an AI agent, AI automation workflow, RAG assistant, voice AI system, AI SaaS product, or full-stack AI application, send me a message. I can help you determine the right architecture, technologies, and implementation approach — and turn your idea into a working system. GitHub: UdaraChamidu Portfolio: udarachamidu.site

Enterprise AI teams hire me to build language models that stay reliable at scale. I design production LLM systems: fine-tuning pipelines (Qwen, GPT-4o Mini, DistilBERT with PEFT/LoRA), multi-agent orchestration (CrewAI, LangChain, DSPy), and retrieval-augmented generation that minimizes hallucination through grounded retrieval and semantic consistency testing. I've shipped 52+ AI projects across healthcare, renewable energy, and enterprise infrastructure and currently lead AI/ML T4 enigneer batches at Virtusa focused on healthcare AI automation. With 7+ years delivering AI systems for energy, finance, and SaaS clients, I've shipped solutions ranging from EU AI Act compliance frameworks to smart grid optimization models using PyPSA. I co-founded the Omdena Sri Lanka Chapter (40+ engineers) and have presented technical findings at 60+ global conferences including the Professional Fellow Conference, Washington DC, AIMDA Conference(Artificial Intelligence Multi Disciplinary Applications) so I communicate clearly to both engineers and executives with over mentoring 500 beginners to professionals across 30+ countries. Where I add the most value: — Fine-tuning open-source LLMs for domain-specific accuracy — Agentic and multi-agent systems (.NET, Python, Angular) — AI safety audits and governance frameworks aligned to EU AI Act — RAG pipelines with measurable reliability improvements If your AI build is stalled, underperforming, or needs to pass a compliance review, message me with your challenge and I'll respond within 24 hours.

𝗕𝘂𝗶𝗹𝗱 | 𝗗𝗲𝗽𝗹𝗼𝘆 | 𝗦𝗰𝗮𝗹𝗲 You have a visionary SaaS or AI product idea. You don't want to manage a scattered team of backend developers, DevOps engineers, and ML specialists, and you definitely don't want to micromanage tasks. You need a single, accountable technical partner to architect the system, solve the hard problems, and turn your idea into a scalable reality. I’m a Computer Science grad (first-class), but I don't just live in the theory. I combine a heavy academic background in math, stats, and ML with fast, practical execution. I don't just write code. I take ownership of the whole project: the design, the architecture, and the infrastructure. 🧠 𝗛𝗼𝘄 𝗜 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝗬𝗼𝘂𝗿 𝗦𝘆𝘀𝘁𝗲𝗺: When you hand me a prototype, an MVP, or even just a wireframe, my first step is mapping the architecture. I am a natural problem solver, so I look at the big picture first. I treat your product like a business asset and focus on the hard realities: 🔹 Can we launch the MVP faster to validate the market? 🔹 Does it do exactly what your users need? 🔹 Is the AWS bill optimized, or are we burning money? 🔹 Will it crash if traffic spikes tomorrow? 🔹 Is your proprietary data actually secure? 🔹 If a server dies, is the database instantly recoverable? 📈 𝗥𝗲𝗰𝗲𝗻𝘁 𝗪𝗶𝗻𝘀 & 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: 🔹 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝗦𝗰𝗮𝗹𝗶𝗻𝗴 & 𝗖𝗼𝘀𝘁 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻: Recently, completely re-architected a system to handle 𝟰𝟬𝘅 𝗰𝗼𝗻𝗰𝘂𝗿𝗿𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 while achieving a 𝟳𝟬% 𝗰𝗼𝘀𝘁 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 on cloud spending. 🔹 𝗔𝗜-𝗡𝗮𝘁𝗶𝘃𝗲 𝗦𝗮𝗮𝗦 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲: I use my deep learning research experience to build secure, private LLM and RAG pipelines tailored to your business data. 🔹 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 𝗖𝗹𝗼𝘂𝗱 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 (𝗗𝗲𝘃𝗢𝗽𝘀): I architect zero-downtime CI/CD pipelines and configure AWS/GCP environments so you can ship features fast. 🔹 𝗕𝘂𝗹𝗹𝗲𝘁𝗽𝗿𝗼𝗼𝗳 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀: I engineer high-performance backends (Django, Node) that won't crash when your user base scales. 🤝𝗠𝘆 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗦𝘁𝘆𝗹𝗲: I work best with founders and small teams who need a leader. You bring the business problem and the priorities — what matters next and why. I own the rest: the architecture, how the work gets broken down, and the delivery. I run it in focused sprints against agreed goals, with async updates and a call when a real decision needs one — so you get momentum without daily standups eating your week. When you hire me, you are not buying hours of typing, or a developer to assign tickets to. You are buying the judgment, speed, and technical leadership required to win — and a clean, production-ready product handed back to you. Let's look at your system and get it running right.

Hello! I’m Nadheera Senasinghe, a cybersecurity professional and AI security specialist with a proven record of protecting enterprise infrastructures, securing AI-powered applications, and leading digital transformation initiatives globally. As the Chief Project Manager and Co-founder of Red Threat Cyber Security (RTCS), I lead a team of expert ethical hackers, AI engineers, and compliance auditors delivering tailored cybersecurity and AI solutions for startups, healthcare providers, fintech platforms, SaaS companies, and regulated enterprises. 🔐 Cybersecurity Services Offered: • Penetration Testing & Ethical Hacking – Web, Mobile, API, IoT, and Network Pentesting – OWASP Top 10, SQLi, XSS, CSRF, RCE, RFI, and Serialization Attacks – Red Teaming, Adversary Emulation, and Purple Teaming – Pentesting for LLM/GPT apps (prompt injection, model exploitation) • Managed Security Services (MSSP) – SIEM (Splunk, Azure Sentinel, QRadar) & SOAR – 24/7 Threat Monitoring, EDR/XDR Deployment – SOC/NOC Architecture & Incident Response Playbooks • Cloud Security & DevSecOps – Cloud Audits (AWS, Azure, GCP), Zero Trust Design – Kubernetes & Docker Security, CI/CD Hardening – Infrastructure as Code (IaC) Reviews • Governance, Risk & Compliance – HIPAA, GDPR, ISO 27001, NIST CSF, SOC 2, PCI-DSS – Risk Assessments, DPIAs, Gap Analysis & Internal Audits • Threat Intelligence & OSINT – Corporate Recon, Espionage Risk Identification – Executive Profiling, Dark Web Monitoring • CISO-as-a-Service & Awareness Training – Virtual CISO Engagements – Custom Security Awareness Workshops 🤖 AI & GPT Integration Services: • LLM & GPT Security – Prompt Injection Prevention – Jailbreak Testing, Output Control – Secure API Wrapping & Audit Logging • Custom GPT Application Development – SEO GPT (w/ Moz API), Compliance GPT, Pentest GPT – Retrieval-Augmented Generation (RAG) Systems – Red Mallory: A proof-of-concept GPT demonstrating AI vulnerabilities (for research/awareness) • Secure AI Deployments – LLM System Design with Role-Based Access & Token Control – Data Leakage Protection for AI Systems – AI-driven Compliance Automation Tools 🎓 Certifications & Tools: • ISC² Systems Security Certified Practitioner (SSCP) • NIST CSF Practitioner | Google Project Management Certified • Tools: Burp Suite, Metasploit, Nessus, Nmap, Splunk, Nikto, IriusRisk, Wireshark, Threat Modeler, Microsoft TMT, DirBuster, OpenVAS 🌍 Client Locations & Industries Served: We’ve delivered successful projects in the USA, UK, UAE, Canada, Mexico, Belgium, Ghana, Hungary, and Latvia, serving sectors like: • Healthcare & HIPAA Platforms • Fintech & Payment Systems • SaaS & LLM-Based Startups • E-Commerce, Oil & Gas, Real Estate, and Public Sector Projects include HIPAA audits, fintech pentesting, red teaming for remote-first organizations, cloud security assessments, GPT app development, and cyber defense automation. 🚫 Please Note: I do NOT offer personal hacking, scam recovery, crypto wallet recovery, or any illegal services. 📩 Let’s Work Together! Whether you're building secure AI applications, improving your cyber defense posture, or seeking compliance-ready solutions—I bring hands-on leadership, global delivery experience, and technical excellence to every engagement. Let’s secure your digital future together.

I build production-grade Agentic AI and RAG systems for companies and startups that need intelligent automation, knowledge retrieval, and AI-powered workflows deployed at scale. My focus is on systems that go beyond simple chatbots multi-agent architectures, enterprise RAG pipelines, voice AI, analytics agents, and full-stack AI applications built to run in real business environments. 🔵CORE EXPERTISE 1. Agentic AI & RAG Systems ⚫Multi-agent systems using LangGraph, LangChain, Semantic Kernel, and OpenAI Agents SDK. ⚫Production RAG pipelines with hybrid retrieval, Cohere reranking, and validation loops. ⚫Agentic workflows with tool use, memory, planning, and multi-step reasoning. ⚫LLM observability and tracing using LangSmith. 2. Azure AI Stack ⚫Azure AI Foundry - model deployment, management, and enterprise inference. ⚫Azure OpenAI, Azure AI Search, Azure Document Intelligence. ⚫Azure Cosmos DB, Azure App Service, Docker-based cloud deployments. 3. LLMs and Models ⚫OpenAI: GPT models. ⚫Anthropic: Claude 3.5 Sonnet and Claude model family. ⚫Open-source: Mistral and LLaMA via Ollama and vLLM. ⚫Reranking: Cohere Rerank for precision retrieval 4. Full-Stack AI Development ⚫Backend: Python, FastAPI, REST APIs ⚫Frontend: React, JavaScript ⚫Databases: PostgreSQL, Cosmos DB, FAISS, Pinecone, ChromaDB ⚫Vector search, document ingestion pipelines, enterprise data integration 5. ML, Data Science and Forecasting ⚫Predictive modelling, time-series forecasting using ARIMA, SARIMAX, and LSTM ⚫Classification, regression, feature engineering, and model evaluation ⚫Deep learning with TensorFlow and PyTorch - transfer learning with EfficientNet, ResNet, VGG16 ⚫Data engineering with PySpark, pandas, and scikit-learn. 🔵SYSTEMS I HAVE BUILT ⚫Enterprise RAG Chatbot - Azure AI Foundry, Claude, LangChain Multi-source document ingestion across PDFs, SharePoint, SQL, and APIs. Azure Document Intelligence for chunking, hybrid semantic and keyword retrieval with Cohere reranking, and Claude deployed via Azure AI Foundry for cited, accurate responses. Supports number of documents, deployed on Azure App Service with a React and FastAPI interface. ⚫HR Multi-Agent RAG System - LangGraph, Azure AI Foundry, FastAPI Full-stack multi-agent system with GPT-4o intent classification routing queries across four specialized agents, greeting, employee data lookup, leave application workflow, and RAG policy Q&A. Stateful multi-turn conversations with LangGraph, FAISS vector store, PostgreSQL backend, and JWT authentication. ⚫AI Data Analyst Agent - Text-to-SQL, LangGraph, Azure AI Foundry Agentic system allowing business users to query databases in plain English. GPT-4o generates schema-aware SQL, executes queries, auto-generates charts, and produces plain-English summaries. Self-correcting agent retries failed queries automatically. Outputs include CSV and PDF export. ⚫AI Voice Agent - Call Automation, Conversational AI End-to-end voice agent handling inbound and outbound calls real-time speech-to-text, conversational AI reasoning, CRM, calendar, and ticketing API integrations, and neural text-to-speech responses. Handles lead qualification and customer support autonomously with low-latency responses. 🔵 WHAT I CAN BUILD FOR YOU ⚫ RAG assistants for documents, knowledge bases, and enterprise data. ⚫ Multi-agent AI systems with tool use, memory, and complex reasoning. ⚫ AI chatbots and conversational systems for support and internal operations. ⚫ Text-to-SQL analytics agents for business intelligence and reporting. ⚫ Voice AI systems for call automation, lead handling, and customer support. ⚫ Predictive ML models for forecasting, classification, and data analysis. ⚫ Full-stack AI applications with React, FastAPI, and Azure cloud deployment. ⚫ AI integrations connecting LLMs to your existing CRMs, APIs, and databases. 🔵 WHY WORK WITH ME ⚫I work across the full AI stack from model selection and prompt engineering to retrieval architecture, agent design, backend APIs, and cloud deployment on Azure. ⚫Every system I build is production-ready, observable with LangSmith tracing, and designed with clean architecture that scales. I do not just prototype I build and deploy systems that run in real environments. ⚫If you need a RAG system, an agentic AI workflow, a voice agent, an analytics tool, or a full-stack AI application, I can design, build, and deploy it end-to-end.

⭐⭐⭐⭐⭐ 5.0 You’re planning the tech — but are you building the foundation for measurable success? Many digital transformation initiatives fail not because of technology, but because strategy, execution, and business alignment are missing. AI tools alone don’t create growth. Intelligent systems aligned with real business outcomes do. That’s where I come in. I’m a Digital Transformation Consultant and AI Solutions Architect with years of experience delivering AI, Machine Learning, Data Engineering, and Agentic AI systems that drive measurable business impact across SaaS, marketing, content intelligence, and enterprise environments. I specialize in turning AI strategy into production grade systems that reduce manual workload, improve operational efficiency, and unlock new revenue opportunities. Proven Results ✔ Reduced manual review effort by 40% using LLM-powered moderation pipelines ✔ Eliminated continuous inspection workflows through hybrid AI architectures ✔ Improved search relevance and retrieval performance by 30% using RAG systems with vector databases ✔ Saved 30% workflow time by building intelligent SaaS collaboration systems ✔ Achieved 100% data uptime through optimized ingestion and deployment pipelines These are production systems — not experiments. What I Deliver, 1) AI & Automation Strategy - I help organizations define clear, outcome-driven AI roadmaps: - Identify high-impact automation opportunities - Align leadership, marketing, and operations - Design scalable governance and execution frameworks - Translate AI investment into measurable KPIs 2) LLM & Agentic AI Systems I design and deploy: - Retrieval-Augmented Generation (RAG) applications - AI-powered knowledge assistants - Intelligent automation pipelines - Multilingual NLP systems - Context-aware conversational AI architectures Tech stack includes GPT, Gemini, LLaMA, LangChain, LangGraph, CrewAI, Pinecone, FAISS, Neo4j, and enterprise cloud deployment. 3) AI-Powered Business Applications Recent implementations include: - Multilingual AI moderation engine integrating Facebook & YouTube APIs - Enterprise RAG news retrieval system with custom hybrid ranking algorithms - Market Insight Analyzer using vector search and embedding pipelines - Big Data customer demographic analysis using Snowflake, AWS, and Databricks - SaaS workflow collaboration systems improving cross-department efficiency 4) Data Engineering & AI Infrastructure I architect: - Scalable cloud-based AI systems (AWS, Azure, GCP) - Vector database pipelines (Pinecone, FAISS) - Graph database integrations (Neo4j) - Dockerized microservices and Kubernetes deployments - CI/CD and MLOps automation How I Approach Digital Transformation Successful digital transformation rests on four pillars: 🔴 Strategic Clarity Before Technology We define the urgent business problem before selecting tools. 🔴 Leadership & Execution Alignment Clear ownership, governance, and measurable milestones. 🔴 Human Centered Change Management AI systems designed for adoption, not resistance. 🔴 Outcome Driven Execution Success measured by efficiency gains, cost reduction, or revenue growth — not software installation. I bridge the gap between advanced AI research and real-world business needs , ensuring your systems are technically robust and commercially valuable. Core Expertise & Keywords Artificial Intelligence | Generative AI | Machine Learning | Data Engineering | RAG Systems | LLM Applications | AI Automation | Agentic AI | Digital Transformation Strategy | Vector Databases | Pinecone | FAISS | Neo4j | Snowflake | AWS | Azure | GCP | Cloud Architecture | Big Data Analytics | Workflow Automation | MLOps | Kubernetes | Docker | NLP | Conversational AI | Enterprise AI Integration Who I Work With 📌 SaaS founders building AI-powered platforms 📌 SMEs modernizing legacy workflows 📌 Marketing teams leveraging AI for automation 📌 Enterprises deploying scalable AI infrastructure 📌 Organizations seeking measurable digital transformation 📌 Digital transformation is not about installing AI tools. It’s about building intelligent systems that continuously improve operations, reduce manual dependency, and create sustainable growth. If you’re ready to turn AI and automation into real business results — let’s connect and build a strategy that works.