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elijahjoy01

JOY E

@elijahjoy01

Crypto wallet developer, AI app builder, Flutter and React Native expert

Nigéria
Inglês, Francês, Alemão
Algumas informações são exibidas no idioma inglês.
Sobre mim
I'm Elijah Joy, a mobile and AI app developer building secure, production-ready apps for startups and entrepreneurs. I specialize in crypto wallet apps, DeFi wallets, and Web3 mobile apps using Flutter and React Native — non-custodial, multi-chain, and built to last. I also build AI-powered MVPs and ecommerce apps using Flutter, Lovable, and Bolt.new, so founders can launch fast without compromising on quality. 🔐 Crypto wallets · Web3 apps · AES encryption · Biometric auth 🚀 AI MVPs · Ecommerce apps · Full source code · No lock-in Let's build something your users will trust.... Saiba mais

Habilidades

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elijahjoy01
JOY E
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

Desenvolvimento de E-Wallet
I will develop a secure crypto wallet app, defi wallet and web3 mobile app
A partir deUS$ 300 /projetoMais detalhes
Site para aplicativo
I will develop a flutter ecommerce app with woocommerce or shopify integration
A partir deUS$ 100 /projetoMais detalhes

Experiência profissional

Freelance Blockchain & Mobile App Developer

Blockchain • Freelance

Apr 2024 - Present • 2 yrs 2 mos

I design and develop secure, non-custodial crypto wallet apps and web3 mobile applications for blockchain startups, DeFi projects, and token launches worldwide. My work spans the full development lifecycle — from architecture and smart contract integration to UI/UX design, testing, and app store deployment. Key deliverables: • Multi-chain crypto wallet apps (ETH, BTC, SOL, BNB, MATIC) built with Flutter and React Native • DeFi wallet platforms with token swap, staking, and portfolio tracking • Web3 mobile app integration with Ethers.js, Web3.js, Moralis, and Alchemy • Non-custodial wallet architecture with AES encryption and biometric authentication • White-label wallet solutions for startups and fintech brands • App Store and Google Play deployments

DeFiChain_Income

Blockchain Startups

DeFiChain Income • Freelance

May 2021 - Jul 2024 • 3 yrs 2 mos

Worked with multiple blockchain startups on contract to build and integrate Web3 and DeFi features into mobile and web applications. Core work included: • Connecting mobile apps to Ethereum, Solana, and BSC smart contracts using Ethers.js and Web3.js • Building token swap interfaces and DEX integrations (Uniswap, PancakeSwap) • Implementing staking and yield farming dashboards for DeFi protocols • Wallet connection flows using WalletConnect and MetaMask SDK • NFT minting and display modules for mobile wallet apps • Gas fee estimation, transaction signing, and on-chain data fetching Supported projects from MVP stage through to mainnet launch.

Fiverr

Fintech & Web3 Clients

Fiverr • Freelance

May 2020 - Jul 2023 • 3 yrs 2 mos

Developed cross-platform mobile applications for fintech startups and early-stage web3 companies, focused on payment systems, digital wallets, and blockchain-connected interfaces. Responsibilities included: • Building iOS and Android apps using Flutter and React Native from scratch • Integrating RESTful APIs and blockchain node providers (Infura, Alchemy) • Implementing secure local storage, encryption, and authentication flows • Designing clean, user-friendly UI for financial and crypto applications • Collaborating directly with founders and product teams on feature scope and delivery timelines Delivered 10+ mobile apps across fintech, e-commerce, and early DeFi categories.