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Fullstack Developer with 4+ years of experience owning features end to end — from relational data models and RESTful APIs through to React/TypeScript interfaces running in production. Backend experience spans Java/Spring, Node.js/NestJS, and C#/.NET, paired consistently with React and Next.js on the frontend. Direct, hands-on experience with authentication and authorization (JWT, role-based access control), payment gateway integration, real-time systems (Server-Sent Events), and AI- powered features (a shipped Retrieval-Augmented Generation pipeline). Uses AI-assisted development (GitHub Copilot, Claude) daily while staying accountable for every line that ships. Canadian permanent resident based in Calgary, AB, open to remote,…Fullstack Developer with 4+ years of experience owning features end to end — from relational data models and RESTful APIs through to React/TypeScript interfaces running in production. Backend experience spans Java/Spring, Node.js/NestJS, and C#/.NET, paired consistently with React and Next.js on the frontend. Direct, hands-on experience with authentication and authorization (JWT, role-based access control), payment gateway integration, real-time systems (Server-Sent Events), and AI- powered features (a shipped Retrieval-Augmented Generation pipeline). Uses AI-assisted development (GitHub Copilot, Claude) daily while staying accountable for every line that ships. Canadian permanent resident based in Calgary, AB, open to remote,

KOUAM KOUAM Michel Lewis

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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Fullstack Developer with 4+ years of experience owning features end to end — from relational data models and RESTful APIs through to React/TypeScript interfaces running in production. Backend experience spans Java/Spring, Node.js/NestJS, and C#/.NET, paired consistently with React and Next.js on the frontend. Direct, hands-on experience with authentication and authorization (JWT, role-based access control), payment gateway integration, real-time systems (Server-Sent Events), and AI- powered features (a shipped Retrieval-Augmented Generation pipeline). Uses AI-assisted development (GitHub Copilot, Claude) daily while staying accountable for every line that ships. Canadian permanent resident based in Calgary, AB, open to remote,…Fullstack Developer with 4+ years of experience owning features end to end — from relational data models and RESTful APIs through to React/TypeScript interfaces running in production. Backend experience spans Java/Spring, Node.js/NestJS, and C#/.NET, paired consistently with React and Next.js on the frontend. Direct, hands-on experience with authentication and authorization (JWT, role-based access control), payment gateway integration, real-time systems (Server-Sent Events), and AI- powered features (a shipped Retrieval-Augmented Generation pipeline). Uses AI-assisted development (GitHub Copilot, Claude) daily while staying accountable for every line that ships. Canadian permanent resident based in Calgary, AB, open to remote,

Available to hire

Fullstack Developer with 4+ years of experience owning features end to end — from relational data models and RESTful APIs
through to React/TypeScript interfaces running in production. Backend experience spans Java/Spring, Node.js/NestJS, and
C#/.NET, paired consistently with React and Next.js on the frontend. Direct, hands-on experience with authentication and
authorization (JWT, role-based access control), payment gateway integration, real-time systems (Server-Sent Events), and AI-
powered features (a shipped Retrieval-Augmented Generation pipeline). Uses AI-assisted development (GitHub Copilot, Claude)
daily while staying accountable for every line that ships. Canadian permanent resident based in Calgary, AB, open to remote,

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

French

Fluent

English

Advanced

Work Experience

Fullstack Developer — React/TypeScript Frontend & Backend APIs at Nyamoro Group SA

November 1, 2025 - July 31, 2026

Owned full-stack features end to end: designed RESTful APIs and backend services (Java, Spring MVC, Hibernate, MySQL) and built matching React 19/Next.js 16/TypeScript UIs. Implemented JWT authentication with a 3-level hierarchical authorization system across a multi-tenant SaaS platform. Engineered an event-driven REST API execution engine using directed graphs with an extensible action registry. Built real-time dashboards streaming aggregated KPIs via Server-Sent Events and created a workflow graph editor using React Flow. Integrated third-party APIs including Gmail OAuth 2.0 ingestion and Azure Blob Storage; delivered an admin backoffice with multiple components, hooks and services. Used GitHub Copilot daily to accelerate delivery.

Fullstack Developer — Consultant (React & .NET/C# Backend) at Nanodev CE

September 1, 2024 - March 31, 2026

Independent consultant for a Canadian enterprise client. Designed and built REST APIs consumed by a React/TypeScript frontend and a C#/.NET backend; built and maintained Node.js/NestJS backend services for multiple client projects. Shipped marketing and product websites including Korva.io, mira-query, and SNDP. Designed, built, and published an npm package (mira-query) providing AI-powered querying backed by a Retrieval-Augmented Generation (RAG) pipeline for document-based querying.

Software Lead / IT Developer — openIMIS Platform Engagements at Y-Note

November 1, 2023 - July 31, 2025

Frontend developer for openIMIS-based national health insurance platforms, including Cameroon's CSU program. Built and deployed platforms using React and Docker containers. Led technical delivery and customization across multiple concurrent deployments for Universal Health Coverage while working independently with distributed international teams. Managed hosting infrastructure and system maintenance. Integrated a Ministry of Health-approved facility list system into the national health insurance architecture via OpenHIM middleware.

Fullstack Developer — Payments & Subscription Platform at BeOne Conseil / Felsmax

January 1, 2023 - June 30, 2023

Built REST controllers and relational data models for a SaaS membership platform, including subscription management and billing. Integrated third-party payment gateways (Express Union, Yoomee Mobile) to process transactions end to end. Delivered React and React Native interfaces and a React-based admin back-office for managing users, subscriptions, and transactions.

Front-End Developer — Plan de Traitement (90-day engagement) at BeOne Conseil

July 1, 2022 - September 30, 2022

Built a responsive appointment-booking widget for the Alaxione application using React with a fully responsive web interface.

Salesforce Developer at BeOne Conseil

November 1, 2021 - June 30, 2022

Developed Lightning Web Components (LWC) and Apex classes to deliver an enterprise task management solution.