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OEK Dev

Web designer and developer · fully remote

OEK Dev, web designer and developer

Founded by Omar El Koujouk, OEK Dev designs and develops fast, accessible, search-friendly websites for companies across France, including the Île-de-France market.

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Portrait of Omar El Koujouk, founder of OEK Dev

Key Skills

The technologies OEK Dev uses to build reliable, fast and maintainable websites and web applications.

Next.jsReactNestJSTypeScriptPrismaPostgreSQLDockerCI/CD

Services

From website creation to production-grade business applications, OEK Dev delivers every project remotely.

Website creation and redesign

Custom Next.js websites built to be fast, accessible and technically sound for search from launch.

Custom web development

Applications, APIs, integrations and business workflows designed around real needs and built to last in production.

Performance and delivery

User-journey, loading and accessibility improvements backed by deployment, CI/CD and real-world monitoring.

Explore the website creation service

About OEK Dev

Web expertise
led by its founder

OEK Dev is the web design and development business founded by Omar El Koujouk. Every engagement combines product clarity, engineering quality, accessibility and measurable performance.

OEK Dev expertise

OEK Dev builds reliable websites and applications with Next.js, React and NestJS, with close attention to maintainability, accessibility and speed.

Omar El Koujouk, founder of OEK Dev and graduate of ETNA Paris and EPITECH, leads projects from design to deployment across UI, APIs, automation, CI/CD and production monitoring.

Technical approach

Combining technical precision with constant curiosity. I enjoy dissecting complex problems to build simple, high-performing, and sustainable solutions. A rigor acquired through experience and applied to every project.

Technical Expertise

The technologies that make up my daily stack between React, TypeScript backends and automation.

Produit SaaS

Dashboard client/adminWorkflows métierCI/CDMonitoring

Automatisation

CI/CDIntégrations APIJobs backendMonitoring

Back-end

NestJSNode.js / ExpressAPIs RESTPrisma + PostgreSQL

Front-end

JavaScript / TypeScriptReactReact NativeTailwind CSS

SaaS Product

Aegis — Amazon/E-commerce Automation SaaS

Live product

Used by several clients

Multi-tenant SaaS platform designed, built, deployed and maintained end to end.

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Amazon/e-commerce workflow automation: accounts, product invitations, emails, orders, auto-buy, client/admin dashboard, CI/CD and monitoring.

Persistent job-driven backend: NestJS API, separate worker, error recovery, quotas and processing history.

Self-hosted deployment with PostgreSQL, Prisma, Docker, Nginx, PM2, GitHub Actions, healthchecks, backups, rollback and self-hosted private proxies.

Background

Professional Experience

April 2024 - November 2025

Salesforce Developer

Dev First

  • Development of custom Apex & LWC features for sales teams.
  • Built a Chrome extension for LinkedIn ↔ Salesforce lead synchronization.
  • Full redesign of dev-first.com with Salesforce service integrations.
  • Agentforce setup (Topics, Actions, Web To Lead) and SFDX automations.
  • Third-party API integration (OpenAI) and technical mentoring via Trailhead.

March 2023 - January 2024

Infrastructure & Automation Engineer

KeopsConcept

  • Developed PHP interfaces for production machine control.
  • Automated DXF file generation from business data.
  • Performance optimization and error rate reduction on industrial processes.

R&D Project

🏆 NavZen — Award-winning indoor navigation app

Award-winning Project - Distinction

"Best Project of the Year" Winner

Award given by a professional jury for technical innovation and product impact.

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Indoor navigation mobile app: React Native, authentication, smart search, BLE.

Rust-powered trilateration engine for real-time indoor pathfinding.

Symfony/REST API backend and Unity 3D integration for immersive experience.