I’m Dennis Mwangi Wanja, a senior full stack product engineer with 7+ years of experience building and shipping production software across AI, fintech, Web3, trading, and consumer products. I’m a founding engineer at NGENI Labs, where I’ve built products from the ground up—owning frontend, backend, data, AI, and infrastructure—and translating loosely defined stakeholder needs into shipped systems that iterate with real user feedback. I started going deep with AI in 2022 and have since integrated LLMs and foundation models into real workflows, including building AI-powered search and agentic experiences that combine retrieval, embeddings, structured context, and external services. I also build high-performance data and real-time systems for trading and wealth platforms, and I enjoy early-stage, 0-to-1 environments where I can design the system, build the product quickly, and stay involved through production operations and reliability.…

Dennis Mwangi Wanja

I’m Dennis Mwangi Wanja, a senior full stack product engineer with 7+ years of experience building and shipping production software across AI, fintech, Web3, trading, and consumer products. I’m a founding engineer at NGENI Labs, where I’ve built products from the ground up—owning frontend, backend, data, AI, and infrastructure—and translating loosely defined stakeholder needs into shipped systems that iterate with real user feedback. I started going deep with AI in 2022 and have since integrated LLMs and foundation models into real workflows, including building AI-powered search and agentic experiences that combine retrieval, embeddings, structured context, and external services. I also build high-performance data and real-time systems for trading and wealth platforms, and I enjoy early-stage, 0-to-1 environments where I can design the system, build the product quickly, and stay involved through production operations and reliability.…

Available to hire

I’m Dennis Mwangi Wanja, a senior full stack product engineer with 7+ years of experience building and shipping production software across AI, fintech, Web3, trading, and consumer products. I’m a founding engineer at NGENI Labs, where I’ve built products from the ground up—owning frontend, backend, data, AI, and infrastructure—and translating loosely defined stakeholder needs into shipped systems that iterate with real user feedback.

I started going deep with AI in 2022 and have since integrated LLMs and foundation models into real workflows, including building AI-powered search and agentic experiences that combine retrieval, embeddings, structured context, and external services. I also build high-performance data and real-time systems for trading and wealth platforms, and I enjoy early-stage, 0-to-1 environments where I can design the system, build the product quickly, and stay involved through production operations and reliability.

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Skills

Experience Level

TypeScript
Expert
Node.js
Expert
Python
Expert
JavaScript
Expert
Web3
Expert
Rust
Expert
Express
Expert
Docker
Expert
PostgreSQL
Expert
API
Expert
React JS
Expert
Large Language Model
Expert
Prompt Engineering
Expert
Ethereum
Expert
GraphQL
Expert
HTML5
Expert
AI Chatbot
Expert
AWS
Expert
SQL
Expert
Solidity
Expert
GitHub
Expert
CSS
Expert
Redis
Expert
Django
Expert
Kubernetes
Expert
Web Design
Expert
Azure
Expert
Data Science
Expert
Data Visualization
Expert
Golang
Expert
Ethers.js
Intermediate
React Native
Intermediate
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Language

English
Fluent

Work Experience

Co-Founder and Lead Engineer at Tufikee
January 1, 2023 - January 1, 2025
Co-founded an events discovery and ticketing product and owned architecture and delivery across frontend, backend, data ingestion, and infrastructure. Designed metadata ingestion and normalization pipelines using Playwright and Supabase to reconcile inconsistent event information into canonical listings. Built workflows for event discovery, search, ticket information, and event management, including a consumer-facing Nairobi Events Guide. Improved HustleSasa with React/TypeScript workflow redesigns for event management, merchant reporting, and storefront customization; iterated with users and stakeholders.
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.
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.
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 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, Quantitative Trading Systems at EQAM Capital
January 1, 2021 - January 1, 2025
Worked on proprietary quantitative trading terminals and real-time systems across DeFi and centralized exchanges. Architected HyperDash, a multi-panel perpetuals trading terminal for Hyperliquid using React, TypeScript, and real-time WebSocket data.
CTO and Lead Engineer, Multi-Asset Wealth Platform at Dollar Markets Africa
January 1, 2021 - January 1, 2025
Built a real-time FX aggregation platform processing 2M+ events per day across multiple currencies. Designed production APIs and SDKs in Python, TypeScript, Java, Go, and Rust integrated by 20+ banks. Led data modeling and workflows in PostgreSQL for high-volume financial event processing. Built real-time systems for pricing, portfolio exposure, transaction activity, trader performance, and multi-asset positions. Evolved the platform into a consumer copy-trading product by building the React/TypeScript frontend and rebuilding the core rendering pipeline; reduced perceived frontend latency by ~60%. Owned architecture, monitoring, reliability, and incident response.
Founding Engineer, Lead Full Stack Engineer, AI and Web3 at NGENI Labs
January 1, 2021 - Present
Built and shipped 55+ production applications across AI, fintech, Web3, payments, trading, and consumer products, owning architecture and implementation across frontend, backend, data, AI, and infrastructure. Integrated foundation models into product workflows (LLM integrations, RAG, embeddings, entity resolution, structured AI workflows, agentic systems). Led engineering on payments and financial platforms including LinkPay (50,000+ transactions/month), Agio Digital (institutional treasury/OTC platform), and crypto products (Rada Wallet, Rada Protocol). Built AI trading interfaces and workflows (dashboards, charting, strategy configuration, backtesting, notifications). Led and mentored 37 engineers across seven countries; established engineering practices around testing, code review, API design, maintainability, and production operations.
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.

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, Travel & Hospitality, Computers & Electronics
    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