Backend · Blockchain · AI Engineer

Naod
Ararsa
Ulu

I build distributed systems, blockchain infrastructure, and AI-powered backends. Consensus protocols in Rust, RAG pipelines, smart contracts on Cardano and Ethereum, and production APIs that scale.

Get in touch GitHub
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Technical Stack
Blockchain
Rust · Solidity · Cardano · gRPC · DAG Consensus · Smart Contracts · Web3
Backend
Node.js · JavaScript · TypeScript · Python · Express · FastAPI · Flask
AI / ML
MeTTa · Neo4j · RAG Systems · LSTM · Vector Databases · LangChain
Databases
MongoDB · MySQL · Redis · Neo4j · PostgreSQL
Frontend
React · Next.js · Flutter
Infra
Docker · Linux · Git · CI/CD
Experience
SingularityNET
Present
Remote
Blockchain Engineer
Built consensus protocol infrastructure in Rust for the ASI chain, implementing a DAG-based Blocklace system with Byzantine fault tolerance, gRPC node communication, and supermajority approval rules across a distributed cluster.
RustgRPCDAGBFTDistributed Systems
Rejuive
Present
Remote · US
Backend Engineer
Built and maintain an AI-powered annotation platform using Python, Neo4j, Flask, and MeTTa, supporting active research workflows with scalable graph-based data management and secure API architecture.
PythonNeo4jFlaskMeTTaRAG
Medukul
Present
Remote · Nigeria
Lead Backend Engineer
Leading backend architecture for a healthcare platform connecting patients with doctors. Responsible for API design, database schema, authentication systems, and ensuring security and scalability for a growing user base.
Node.jsPostgreSQLREST APIHealthcare
Metamat
Past
Remote · Netherlands
Software Engineer
Created a digital manufacturing twin in Godot achieving 90% simulation accuracy, and led development of an AI-assisted code generation system for 3D models reducing creation time by 40%.
GodotAILLM3D Simulation
MSS Technologies
2024
Addis Ababa
Software Engineer
Engineered a full-stack e-commerce platform in TypeScript, Node.js, Next.js, and React, improving UI performance by 20% through optimization and feature development.
TypeScriptNode.jsNext.jsMongoDB
Projects
01
Cardano Smart Contract Platform
Real-time smart contract code generation supporting MintNFT and Vesting types. Built with Express.js and Socket.io for live WebSocket updates. 50+ active users.
CardanoNode.jsSocket.ioReact
View on GitHub →
02
Cardano Blockchain Visualizer
Analytics tool tracking hundreds of thousands of active accounts and large transaction volumes across 100 epochs. Delivered insights to 200+ users.
CardanoAnalyticsData Pipelines
View on GitHub →
03
Renewable Energy DEX
Decentralized solar energy marketplace with Hardhat, Solidity, and Arduino integration. Four smart contract security mechanisms including access control and reentrancy protection.
SolidityHardhatEthereumArduino
View on GitHub →
04
Amharic Sign Language Recognition
LSTM model recognizing over 100 signs from video input, translating them to text. Applied mathematical generalization techniques achieving 60% accuracy improvement with limited training data.
LSTMPythonMLNLP
View on GitHub →
05
Government Meeting Tracker
Mobile and web application tracking meetings, attendance, and check-ins at scale using Node.js and Flutter. Achieved 99.99% attendance accuracy across all recorded sessions.
Node.jsFlutterReal-time
View on GitHub →
06
Web Server in C
HTTP 1.1 server built from scratch using the HttpParser library. Robust request validation, input sanitization, boundary checks, and safe memory handling. Handled hundreds of simulated requests without crashes.
CHTTPSystemsSecurity
View on GitHub →
Contact

Let's build something.

Open to remote backend, blockchain, and AI engineering roles. Available for full-time contracts and project-based work worldwide.

Email naodararsa7@gmail.com → GitHub github.com/DeazStar → LinkedIn linkedin.com/in/naod-ararsa →