I'm a Senior Blockchain & AI Engineer with over 5+ years of experience in fintech, payments infrastructure, Web3, AI, and high-performance trading systems. I design scalable product architectures and lead cross-border payment and FX aggregation initiatives. I specialize in building secure, high-performance systems using TypeScript, Rust, Python, React, Next.js, Node.js, Express, and PostgreSQL, with deep expertise in cross-border payments, FX aggregation, real-time workflows, and compliance-ready designs.

Dennis Mwangi Dev

I'm a Senior Blockchain & AI Engineer with over 5+ years of experience in fintech, payments infrastructure, Web3, AI, and high-performance trading systems. I design scalable product architectures and lead cross-border payment and FX aggregation initiatives. I specialize in building secure, high-performance systems using TypeScript, Rust, Python, React, Next.js, Node.js, Express, and PostgreSQL, with deep expertise in cross-border payments, FX aggregation, real-time workflows, and compliance-ready designs.

Available to hire

I’m a Senior Blockchain & AI Engineer with over 5+ years of experience in fintech, payments infrastructure, Web3, AI, and high-performance trading systems. I design scalable product architectures and lead cross-border payment and FX aggregation initiatives.

I specialize in building secure, high-performance systems using TypeScript, Rust, Python, React, Next.js, Node.js, Express, and PostgreSQL, with deep expertise in cross-border payments, FX aggregation, real-time workflows, and compliance-ready designs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Senior Full stack & AI Engineer at NGENI LABS
October 1, 2022 - Present
Major Projects: Lively Root (E-commerce Web Application): Designed and developed a production-grade consumer web application using Next.js and TypeScript for Lively Root, a direct-to-consumer horticulture e-commerce company that sells indoor and outdoor plants, curated plant gifts, and subscription products shipped directly from nursery partners. Delivered a high-performance, SEO-optimized storefront with responsive UI, scalable frontend architecture, and integrations supporting product discovery, customer education, and conversion-optimized purchasing flows. https://www.livelyroot.com KCB Group Bank WebApp: Led architecture of React Native & Next.js ecosystem enabling multi-currency card systems with microservices for high availability and banking-grade security. https://ke.kcbgroup.com ShopPop.ink: Scalable AI-powered e-commerce platform using Next.js & TypeScript, integrating Gemini AI for intelligent recommendations and personalized user experience. https://www.shoppop.ink TinyAssistants.ai: AI platform with Next.js & TypeScript offering conversational assistants for career development, coding support, and personalized guidance. https://www.tinyassistants.ai Walbi Exchange (2024): Built AI-powered decentralized exchange enabling automated market making and predictive trading insights..(https://www.walbi.com) Developed over 20 websites and DApps across major EVM chains (Layer 1 & Layer 2) and Solana. Mentored junior developers across Kenya, Dubai, Uganda, and Rwanda in Web3 and AI development. Impact: Delivered scalable AI and blockchain solutions used by hundreds of thousands of users, transforming fintech and e-commerce experiences.
Chief Technology Officer / Lead Engineer at Dollar Markets
January 1, 2021 - December 1, 2022
Created DollarsApp, a real-time FX aggregator integrating currency rates from major banks worldwide, enabling seamless cross-border transactions. Designed and implemented high-performance backends handling millions of transactions with sub-second latency. Built secure, compliance-ready APIs, dashboards for liquidity monitoring, and automated reconciliation systems. Impact: Enabled businesses and individuals to execute FX transactions faster and more reliably, improving market access and reducing latency-driven losses.
Senior Software Developer at EQAM Capital
December 1, 2021 - January 1, 2024
Developed over 20 trading bots and algorithms including GodCandle, DayTrader, and RSRW (Rise When Strong, Rest When Weak) on TradingView. Built a unified trading interface across 10+ exchanges with <300ms execution for high-frequency trading (HFT). Automated risk management, real-time PnL reporting, and trading strategies. Tech Stack: TypeScript, Node.js, Rust, PostgreSQL, Solidity, PineScript, AppScript. Impact: Increased trading efficiency and profitability for clients, streamlining multi-exchange operations into a single high-speed interface.
Senior Software Engineer at EQ AM Capital (DeFi & Quant Systems)
December 1, 2021 - December 31, 2024
Developed over 20 trading bots and algorithms including God Candle, Day Trader, and RSRW on TradingView; Built unified trading interface across 10+ exchanges with <300ms execution; Automated risk management, real-time PnL reporting, and trading strategies.
Senior Blockchain & AI Engineer at NG ENI Labs (Web3 & AI Division)
October 1, 2022 - Present
Led major projects including Edges Cards, Shop Pop, Tiny Assistants.ai, and Walbi Exchange; Built 20+ Web3 DApps across major EVM chains and Solana; Mentored junior developers across Kenya, Dubai, Uganda, and Rwanda in Web3 & AI development.

Education

BSc in Computer Science at Catholic University of Eastern Africa
January 11, 2030 - January 16, 2026
Blockchain & Web3 Expert Certification at NG ENI Labs
January 11, 2030 - January 16, 2026
Quantitative Automation & DeFi Systems Certification at EQ AM Capital
January 11, 2030 - January 16, 2026
Applied AI in Finance at CFT E
May 1, 2024 - January 16, 2026
Microsoft Certified: Azure AI Engineer Associate at Microsoft
August 1, 2023 - January 16, 2026
Bachelor of Science in Computer Science at Catholic University of Eastern Africa
January 11, 2030 - January 19, 2026

Qualifications

AI in Blockchain Certification (DeFi + AI Edge)
December 1, 2022 - December 31, 2022
Applied AI in Finance
May 1, 2024 - January 16, 2026
Microsoft Certified: Azure AI Engineer Associate
August 1, 2023 - January 16, 2026
Blockchain & Web3 Expert Certification
January 11, 2030 - January 16, 2026
Quantitative Automation & DeFi Systems Certification
January 11, 2030 - January 16, 2026
Blockchain & Web3 Expert Certification
January 11, 2030 - January 19, 2026
Quantitative Automation & DeFi Systems Certification
May 1, 2024 - January 19, 2026
Microsoft Certified: Azure AI Engineer Associate
August 1, 2023 - January 19, 2026
AI & Financial Systems
July 1, 2023 - January 19, 2026
AI in Blockchain Certification (DeFi + AI edge)
December 1, 2022 - January 19, 2026
Blockchain Expert
December 1, 2022 - January 19, 2026

Industry Experience

Software & Internet, Financial Services, Retail, Education, Media & Entertainment, Professional Services, Other
    paper Lively Root

    Lively Root (E-commerce Web Application): Designed and developed a production-grade consumer web application using Next.js and TypeScript for Lively Root, a direct-to-consumer horticulture e-commerce company that sells indoor and outdoor plants, curated plant gifts, and subscription products shipped directly from nursery partners. Delivered a high-performance, SEO-optimized storefront with responsive UI, scalable frontend architecture, and integrations supporting product discovery, customer education, and conversion-optimized purchasing flows.
    https://www.twine.net/signin