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Hatim Slami

@hatimslami

Backend engineer at Valley Order who built a Django REST marketplace API with OTP authentication, dynamic pricing, and realtime GPS tracking.

Indonesia

Message

What I'm looking for

I’m open to remote roles.

At Valley Order, I built the production API for a multi-role delivery marketplace using Django REST, Daphne/Channels, PostgreSQL, and Redis. I implemented OTP SMS authentication, dynamic delivery pricing, and the order lifecycle.

I also designed hybrid live GPS tracking with a NestJS Socket.io sidecar sharing JWT and Postgres. The work included API documentation, Docker development and production environments, and GitHub Actions CI/CD.

At IndoForm, I contributed to a WhatsApp commerce SaaS for UMKM, including storefront setup and structured order flows. I’ve also developed React restaurant interfaces and WordPress/WooCommerce platforms with migrations, security hardening, and speed optimization.

Experience

Work history, roles, and key accomplishments

Developer

Ademixvet

Custom WordPress infrastructure, frontend adjustments, and production technical optimizations.

WordPress Frontend Technical Optimization

Website Creator & Designer

Adam Events

Designed and delivered interactive WordPress event platforms with conversion-focused UX using Elementor Pro.

WordPress Elementor Pro UX Web Design

React Frontend Developer

Gia Maharani Group

Built React frontends for restaurant experiences, including digital menus, bilingual UI, promos, and WhatsApp ordering.

React JavaScript HTML5 CSS Responsive Design Bilingual UI WhatsApp

Python & Django Programmer

Self Employed

Developed RESTful APIs and database schemas with clean models and JWT-ready auth patterns. Built maintainable service layers and backend tooling in Python and Django.

Python Django REST APIs Database Design JWT Backend Development

Backend Engineer

Valley Order

Built production API for Customer/Provider/Captain/Admin on Django REST, Daphne/Channels, PostgreSQL, and Redis. Implemented OTP SMS auth, dynamic delivery pricing, FCM notifications, coupons, and full order lifecycle. Designed hybrid live GPS tracking with NestJS Socket.io sidecar sharing JWT and Postgres.

Django Rest Daphne CHANNELS PostgreSQL Redis OTP SMS FCM NestJS Socket.IO JWT GPS Tracking CI CD Docker GitHub Actions

Software Developer

IndoForm

Contributed to development of a WhatsApp store platform for UMKM, including storefront setup, store links, and structured order flows. Supported QRIS payment flows, order status updates, and trilingual UI.

WhatsApp QRIS UI UMKM Storefronts Order Management