Khaled Md Tuhidul Hossain
About
Claude Certified Architect with 10+ years across full stack development, AI integration, and cloud native architecture. The current focus is production LLM systems, from agent orchestration platforms to RAG pipelines. An early AI adopter, with AI applications deployed in production long before it became the norm. The decade before that went into enterprise applications and microservices for HealthTech, FinTech, and PropTech companies. Healthcare work included EHR systems, telemedicine platforms, and compliant medical data solutions, all built firsthand. Finance brought trade finance and mobile banking systems, payment and fraud detection services, and AI tools for private equity investment analysis. PropTech added a tenant recommendation engine and deployments across multiple regions for a leading rental platform. Along the way, led engineering teams at startups and global enterprises, from first MVP to systems at scale.
Experience
- Lead Software Engineer, Aon — Singapore (2025-Present). Leading the design and development of a multi-agent AI chat platform for Health Analytics, implementing agent orchestration to coordinate specialized agents for query understanding, data retrieval, and analytics insight generation.
- Senior Software Engineer, Rently Pte Ltd — Singapore (2025-2025). Lead backend developer architecting scalable microservices for Singapore's leading PropTech platform. Built tenant recommendation engine using graph modeling. Leading AI-powered DevOps automation and multi-region deployment framework for 30+ services.
- Senior Software Engineer, GIC Private Limited — Robinson Road, Singapore (2024-2025). Leading AI services implementation for Private Equity Front Office platform. Developed document analysis systems and automated investment analysis workflows. Mentored junior developers and established coding standards.
- Senior Software Engineer, Crédit Agricole CIB — Pasir Panjang, Singapore (2022-2024). Developed trade finance applications including Letter of Credit System and Bank Guarantee Management. Implemented security compliance systems and automated batch processing workflows. Led API gateway implementation and microservices architecture design.
- Associate Manager (Software Engineering), BRAC Bank Limited — Dhaka, Bangladesh (2021-2022). Led development of SME Loan Application System and Mobile Banking Services. Implemented real-time SMS banking platform and established disaster recovery protocols. Developed microservices for payment processing and fraud detection.
- Principal Software Engineer, Niramoy HealthTech Limited — Dhaka, Bangladesh (2018-2021). Led development of Electronic Health Records System and Telemedicine Platform. Built cross-platform e-prescription system and medical data exchange platform. Implemented secure patient data management and clinical workflow automation. Managed a team of 8 engineers.
Skills
C#, .NET Core, Python, Java, TypeScript, React, Angular, GO, C++, Vue.js, Spring Boot, FastAPI, AWS, Azure, Docker, Kubernetes, GraphQL, Apache Airflow, Elasticsearch, Kafka, RabbitMQ, Azure OpenAI, Amazon SageMaker, Flutter, Kotlin, Terraform, Cassandra, Apache Spark
Latest writing
- Request a response with structured output from an LLM using Microsoft.Extensions.AI in .NET — I used to hand-write the prompt, get back a paragraph, then trim and parse it into an object myself. Microsoft.Extensions.AI let me skip that entire middle step. Here's the difference, with a real example.
- Giving your AI agent a wallet: my Alfred moment — I gave my AI agent a payment credential and let it buy my Spider-Man tickets. Here is how Stripe's link-cli works, what Mastercard and Visa are shipping, and why your agent might soon have a better wallet than you.
- I Passed the CCA-F Exam on My First Try. Here Are the 5 Ideas That Did Most of the Work — I recently cleared the CCA-F certification. Here is what the exam actually rewards, the five ideas that carried me through every domain, and the recurring question traps you should be able to spot on sight.