Senesh Hansana

Senesh Hansana

AI Engineer
Sri Lanka
Sinhala (Sri Lankan), English

نبذة عني

AI/ML Engineer with hands-on experience building and deploying production-grade NLP, LLM, and computer vision systems. Specialized in multi-task learning, emotion-aware AI, and Retrieval-Augmented Generation (RAG). Prove…

الخبرة

Software Engineer

Falconet Ltd
Oct 2024 - Dec 2025 · 1 سنة 2 أشهر

Built a Hybrid RAG pipeline (LangChain/LangGraph), improving retrieval precision by 40%.
Reduced LLM hallucinations by 30% via robust document parsing and chunking.
Deployed local T5 inference for secure, API-free NLP processing.

Freelance AI Developer

E2Nextgen
Feb 2024 - Dec 2025 · 1 سنة 10 أشهر

Engineered multi-agent GenAI pipelines for bulk content generation, reducing manual entry time by ~70% and processing 10,000 assets weekly.
Developed multiple ML-powered Chrome extensions to automate dynamic web scraping, improving extraction reliability by 90% over legacy scripts.
Architected a real-time multi-vendor platform with secure payments and WebSockets, supporting 1000 concurrent users with sub-second latency.

Software Engineer

Falconet Ltd · Badulla, Sri Lanka
Sep 2024 - Nov 2025 · 1 سنة 2 أشهر

Engineered multi-agent GenAI pipelines for bulk content generation, reducing manual entry time by ~70% and processing 10,000 assets weekly.Developed multiple ML-powered Chrome extensions to automate dynamic web scraping, improving extraction reliability by 90% over legacy scripts.Architected a real-time multi-vendor platform with secure payments and WebSockets, supporting 1000 concurrent users with sub-second latency

Freelance AI Developer

E2Nextgen · Badulla, Sri Lanka
Jan 2024 - Nov 2025 · 1 سنة 9 أشهر

Fine-tuned YOLO architectures (v5) for custom object detection, increasing Mean Average Precision (mAP) by 20-30% through rigorous hyperparameter optimization.Conducted Exploratory Data Analysis (EDA) on 1,000+ images to identify class imbalances, implementing augmentation strategies that reduced edge-case prediction failures by 30%.Collaborated on deployments, reducing inference time by 30% through optimization techniques.

Software Engineer Intern

Infact Solutions (pvt) ltd
Apr 2024 - Oct 2024 · 6 أشهر

Developed and optimized REST APIs for a microservices e-commerce platform, reducing average endpoint response time by ~30% through efficient database query indexing.
Diagnosed and resolved critical data flow bottlenecks between services, eliminating cross-service timeouts and improving data synchronization accuracy to 99%.
Enhanced system reliability under high load (5,000+ daily requests) by implementing Redis caching, which reduced core database load by approximately 40%.

Software Engineer Intern

Infact Solutions (pvt) ltd · Badulla, Sri Lanka
Mar 2024 - Sep 2024 · 5 أشهر

Developed and optimized REST APIs for a microservices e-commerce platform, reducing average endpoint response time by ~30% through efficient database query indexing.Diagnosed and resolved critical data flow bottlenecks between services, eliminating cross-service timeouts and improving data synchronization accuracy to 99%.Enhanced system reliability under high load (5,000+ daily requests) by implementing Redis caching, which reduced core database load by approximately 40%.

المهارات

لغة C++ لينكس بايثون (لغة برمجة) أجايل الاتصال تذبذب منصة GitHub للتعاون على تطوير البرمجيات جافا سكريبت ميكروسيرفيسز (نمط لتطوير التطبيقات) إدارة الوقت لغة برمجة Rust تينسور فلو المحولات خدمات أمازون ويب (AWS) التكامل المستمر / التسليم المستمر دوكر معالجة اللغة الطبيعية ريأكت (إطار عمل لتطوير واجهات المستخدم) TypeScript PyTorch Scikit-learn Unsloth LoRA LangChain LangGraph ChromaDB PgVector Large Language Models prompt engineering vector databases Convolutional Neural Networks Fine-Tuning Retrieval-Augmented Generation(RAG) FastAPI Express (Node.js) NestJS REST APIs WebSockets Next.js MLflow Hugging Face Postman SQL (MySQL and PostgreSQL) NoSQL (MongoDB) Critical Thinking Prompt Engineering Vector Databases Retrieval-Augmented Generation Express MySQL PostgreSQL MongoDB
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