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Achievement: Pair Extraordinairex3Achievement: Pull Sharkx3Achievement: QuickdrawAchievement: YOLO

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shanwije/README.md

Shan Wijenayaka

Lead AI/ML Engineer @ Certis · Singapore

Building production AI systems where latency and correctness aren't negotiable —
from sub-100ms derivatives trading to sub-600ms real-time voice AI.

Website LinkedIn Profile views

Focus

  • Fintech — Low-latency trading and regulated financial systems: sub-100ms derivatives pipelines (~35k trades/day) and regulatory intelligence over 1M+ documents.
  • AI/ML — Production LLM, RAG, multi-agent and real-time voice AI (p95 < 600 ms), with fine-tuning and latency-tiered serving.
  • Distributed systems — Event-driven architectures on Kafka, real-time processing in Go and Python.
  • Cloud & reliability — AWS/EKS and Kubernetes with OpenTelemetry and SLI/SLO; 99.95% platform uptime.

Tech Stack

Languages

Go Python TypeScript Java Rust

AI / LLM

PyTorch Hugging Face LangGraph vLLM LiteLLM

Backend & Web

FastAPI Spring Boot Node.js Django Next.js

Cloud & DevOps

AWS Kubernetes Docker Terraform GitHub Actions Argo CD

Data

PostgreSQL DynamoDB MongoDB Redis OpenSearch Kafka

Portfolio

Pinned Loading

  1. global_price_index_RUST global_price_index_RUST Public

    Rust

  2. backpacker-api backpacker-api Public

    Java 1

  3. crypto-keygen-service crypto-keygen-service Public

    Go

  4. lakshithagunasekara/Invigilator lakshithagunasekara/Invigilator Public

    This is to store the code base of the Invigilator app

    Python 2

  5. global-price-index global-price-index Public

    TypeScript

  6. backpacker-legacy backpacker-legacy Public

    JavaScript 3