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I am a dedicated and highly motivated software engineer with over a decade of experience in software development. I thrive on building robust, scalable systems and enjoy turning complex problems into practical solutions. Proficient in a wide range of programming languages including Rust, C++, Python, and TypeScript, I specialize in blockchain technology with deep expertise in protocol engineering, data extraction, and the Substrate framework. I have a proven track record delivering robust blockchain applications and extensive experience in peer-to-peer networking, cryptography, and blockchain data analytics.…I am a dedicated and highly motivated software engineer with over a decade of experience in software development. I thrive on building robust, scalable systems and enjoy turning complex problems into practical solutions. Proficient in a wide range of programming languages including Rust, C++, Python, and TypeScript, I specialize in blockchain technology with deep expertise in protocol engineering, data extraction, and the Substrate framework. I have a proven track record delivering robust blockchain applications and extensive experience in peer-to-peer networking, cryptography, and blockchain data analytics.

Arnold Tumukunde

Full Stack Developer, Programmer, DevOps Developer, +1

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I am a dedicated and highly motivated software engineer with over a decade of experience in software development. I thrive on building robust, scalable systems and enjoy turning complex problems into practical solutions. Proficient in a wide range of programming languages including Rust, C++, Python, and TypeScript, I specialize in blockchain technology with deep expertise in protocol engineering, data extraction, and the Substrate framework. I have a proven track record delivering robust blockchain applications and extensive experience in peer-to-peer networking, cryptography, and blockchain data analytics.…I am a dedicated and highly motivated software engineer with over a decade of experience in software development. I thrive on building robust, scalable systems and enjoy turning complex problems into practical solutions. Proficient in a wide range of programming languages including Rust, C++, Python, and TypeScript, I specialize in blockchain technology with deep expertise in protocol engineering, data extraction, and the Substrate framework. I have a proven track record delivering robust blockchain applications and extensive experience in peer-to-peer networking, cryptography, and blockchain data analytics.

Available to hire

I am a dedicated and highly motivated software engineer with over a decade of experience in software development. I thrive on building robust, scalable systems and enjoy turning complex problems into practical solutions.

Proficient in a wide range of programming languages including Rust, C++, Python, and TypeScript, I specialize in blockchain technology with deep expertise in protocol engineering, data extraction, and the Substrate framework. I have a proven track record delivering robust blockchain applications and extensive experience in peer-to-peer networking, cryptography, and blockchain data analytics.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Blockchain Data Engineer at Hero (Hero.io)

January 1, 2025 - November 20, 2025

Extracting and processing data from the Solana blockchain for analytics and insights. Implemented real-time data pipelines using Apache Flink for live processing and used ClickHouse for high-performance analytical queries. Managed PostgreSQL databases for structured data storage and retrieval. Developed data extraction tools and APIs using Java, JavaScript, Python, and Rust. Optimized data workflows for large-scale blockchain data analysis.

Senior Blockchain Data Engineer at ServInc

August 1, 2023 - August 1, 2023

Designed and maintained blockchain data pipelines and analytics infrastructure, focusing on secure, scalable data processing and integration across services. Collaborated with cross-functional teams to deliver robust data solutions.

Full-Stack Developer at Moving Ads Uganda

December 1, 2016 - December 1, 2016

Developed full-stack web applications for internal use and client projects. Built scalable, robust software solutions using modern development practices and delivering across diverse client needs.

Co-founder and Platform Manager at Mon4lx

January 1, 2022 - January 1, 2022

Co-founded Mon4lx, a software development company. Led the development of the Monya Network, an next-generation financial hub built using the Substrate blockchain framework. Architected an EV M-compatible network supporting Web Assembly (Wasm) smart contracts and implemented peer-to-peer governance through a NPoS/PoC style consortium model.