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Dumidu nadeera

@dumidunadeera

AI Application Engineer building enterprise AI assistants with LangGraph, hybrid retrieval, document access controls, and evaluation.

Sri Lanka

Message

I built an enterprise AI assistant with Python, FastAPI, Streamlit, and LangGraph, combining hybrid retrieval, multi-turn memory, and tool execution. I added role-based document access, evidence validation, and LangSmith tracing to inspect and evaluate agent responses.

At Sagence AI, I design and build Python and C++ test systems for AI accelerator hardware. My work includes concurrent test orchestration, a real-time monitoring GUI, and automated failure analysis.

Earlier at Analog Inference Inc., I worked on verification for AI inference accelerators, including a Python-based test generator for post-silicon validation. I also contributed to FPGA and embedded software development at Paraqum Technologies (Pvt) Ltd and THStyme Lanka (PVT) LTD.

Experience

Work history, roles, and key accomplishments

Current

Senior Embedded Systems Engineer II

Current

Sagence AI

Nov 2024 - Present (2 years)

Designed and built automated test frameworks in Python and C++ for hardware validation, developed multi-threaded GUI applications for real-time monitoring, and engineered parallel multi-system test orchestration.

Python C++GUI Development Multithreading Testing Automation Hardware Validation Data Pipelines Configuration Driven Architecture

Embedded Systems Engineer

Analog Inference Inc.

Nov 2020 - Nov 2024 (4 years)

Key member of design verification team for AI inference accelerators, set up regression and functional test environments, spearheaded Post-Silicon Validation with Python-based test generator, and automated verification with parallel programming and CI/CD.

Python C++GoogleTest Gcov Lcov Jenkins Git Jira Agile Jupyter Notebooks Shell Scripting CI CD

Electronic Engineer/FPGA

Paraqum Technologies (Pvt) Ltd

Aug 2019 - Nov 2020 (1 year 3 months)

Contributed to design team building custom video capture card for Osprey Video Inc., worked with Xilinx Zynq-7000 and UltraScale MPSoC platforms, developed custom RTL modules and Verilog testbenches, and built Linux drivers in C.

FPGA Xilinx Vivado Verilog RTL Design Linux Kernel Device Drivers C SDI Video Processing

Software and Firmware Development Engineer

THStyme Lanka (PVT) LTD

Feb 2017 - Apr 2019 (2 years 2 months)

Core member of SSD Hard Drive Emulator design team, authored C firmware for memory controllers, designed custom RTL components for NVMe integration, and built NAND flash chip testing setup on FPGA.