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Chijioke Okwuosa

@chijiokeokwuosa

Senior Full-Stack / AI Engineer who shipped a LangChain support-triage product with cited answers and a multi-LLM theme-park app.

Nigeria

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What I'm looking for

I’m open to Senior Full-Stack / AI Software Engineer roles.

I shipped a full-stack LangChain customer-support product that triages tickets and drafts tailored replies. It routes topics, grounds answers in FAQs with citations, and streams multi-turn chat.

I also built WonderWorld AI, a theme-park assistant and review-summarization product using OpenAI, Hugging Face, and Ollama. Its model-swappable layer uses Prisma and PostgreSQL caching.

At Forever8, I owned end-to-end purchase-order features on a production fintech platform, from React and TypeScript interfaces through workflows and integrations. I also developed invoice PDFs, analytics dashboards, and automated reminders for part-payment and overdue orders.

Across marketplace, blockchain, and e-learning products, I developed features including community purchasing, digital document signing, and online examinations. I’m open to Senior Full-Stack / AI Software Engineer roles.

Experience

Work history, roles, and key accomplishments

Software Engineer (Full-Stack)

Forever8

Apr 2024 - Apr 2026 (2 years)

Owned end-to-end purchase-order features in React and TypeScript on a production fintech platform. Developed dynamic PDF invoice generation and interactive analytics dashboards, and implemented part-payment and overdue tracking with automated email reminders.

React TypeScript Fintech PDF Generation Analytics Dashboards Monorepo Performance Optimization

Software Engineer (Full-Stack)

Rabble

Feb 2023 - Jan 2025 (1 year 11 months)

Managed a software team in an asynchronous remote environment while delivering marketplace product features. Developed community purchasing features and implemented multi-team order management and analytics dashboards.

JavaScript TypeScript Marketplace Team Management Order Management Analytics

Software Engineer

Inbillo

Mar 2022 - Feb 2024 (1 year 11 months)

Implemented digital document signing and blockchain proof-of-existence using NFTs (ERC-721). Developed economic risk-assessment report generation and contributed full-stack development with TypeScript, React, Node.js, and WordPress.

TypeScript React NodeJS WordPress Blockchain ERC721 Technical Specifications

Blockchain Engineer

Risk Protocol

Feb 2022 - May 2023 (1 year 3 months)

Implemented comprehensive Foundry testing including fuzz and invariant tests for protocol robustness. Designed rebase-token logic and integrated Chainlink Keepers, contributing EIP implementations aligned with Ethereum standards.

Foundry Fuzz Testing Invariant Testing Rebase Tokens Chainlink Ethereum EIP

Software Engineer

Afrilearn

Aug 2020 - Dec 2021 (1 year 4 months)

Developed a scalable e-learning platform serving video content to learners. Implemented an online examination system to help students prepare for assessments.

E Learning Video Streaming Online Examinations Scalability