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Mohamed Amine Fredj

@mohamedaminefredj

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Full-Stack Engineer at ZZ Dash building a retail and delivery SaaS platform across 8+ web and mobile apps.

Tunisia

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At ZZ Dash, I co-founded a retail and delivery SaaS platform spanning consumer and rider apps, store management, POS, inventory, HR, wallet, and back-office tools. Two restaurant deployments are running in production.

At Imaxeam, I work on complex engineering tasks, architecture decisions, and code review as Team Development Lead and Senior Full-Stack Engineer. I also mentor developers and manage delivery through ClickUp.

For the MaxApps / IBM Maximo program, I fixed a production-down Node.js and MongoDB incident by tracing the CPU issue to bulk encryption and changing the logic to encrypt only sensitive fields. I also built imxLogger, a real-time log-aggregation platform now in production across six enterprise client deployments.

I solo-designed and built an analytics dashboard platform for IBM Maximo, connecting a React web builder to a React Native app with real-time data. At Branper, I worked on Sentinel, a social-media monitoring SaaS, including analytics dashboards, API performance improvements, and a backend refactor.

Experience

Work history, roles, and key accomplishments

Current

Technical Co-Founder & Lead Full-Stack Engineer

Current

ZZ Dash

Feb 2025 - Present (1 year 8 months)

Co-founded a full retail & delivery SaaS platform with 8+ web and mobile apps. Sole technical decision-maker for architecture, DevOps, and engineering leadership across 3 engineers.

React React Native NodeJS AWS Jenkins Docker Nginx TypeScript JavaScript MongoDB PostgreSQL MySQL REST APIs Socket.IO JWT Joi RabbitMQ Jest Agile Scrum Kanban GitHub Co Pilot Cursor

Current

Team Development Lead & Senior Full-Stack Engineer

Current

Imaxeam

Jan 2022 - Present (4 years 9 months)

Owned the team's hardest tasks, architecture decisions, and code review. Ran team meetings, performance assessments, and mentored developers.

React React Native NodeJS TypeScript JavaScript MongoDB RabbitMQ Jenkins AWS Nginx Jest ClickUp Agile Scrum Kanban

Full-Stack Developer

MaxApps / IBM Maximo

Jun 2022 - Jun 2024 (2 years)

Root-caused and fixed a production-down Node.js/MongoDB incident, built a RabbitMQ-based rate-limiting Fetch Server, and migrated Maximo integration to API-key auth. Led Expo SDK upgrade and built imxLogger log-aggregation platform.

NodeJS MongoDB RabbitMQ TypeScript React React Native Expo Jenkins AWS Nginx Jest Jython OSLC API Key Maximo MAXAPPS NPM Socket.IO JWT Joi Docker Linux Proxmox Git

Full-Stack JavaScript / TypeScript Consultant

Branper

Sep 2022 - Jan 2024 (1 year 4 months)

Led Material UI v4 to v5 migration, built D3.js analytics dashboards, and improved API performance for a social-media monitoring SaaS. Promoted to lead a team refactoring the backend for performance and reliability.

React NodeJS Express MongoDB D3.Js Material UI TypeScript JavaScript REST APIs JWT Joi RabbitMQ Jest AWS Jenkins Nginx Linux Git

MERN Stack Instructor

Forma Plus

Sep 2023 - Dec 2023 (3 months)

Taught two cohorts of a MERN stack course and mentored students on graduation projects. Delivered a React Native/Expo workshop for a student club.

JavaScript React NodeJS MongoDB Express React Native Expo TypeScript Git Agile Scrum Kanban

Full-Stack Developer

Dashboard & Analytics Platform (IBM Maximo)

Jan 2022 - Jun 2022 (5 months)

Solo-designed and built a configurable analytics dashboard platform with React web builder and React Native mobile app. Architected a dynamic config-driven system and engineered a Node-RED simulation layer.