DevPalmar

ROBERTOPALMAR/

RoleFull-stack engineer

BaseMaracaibo · VE

Experience4 years developing

Current teamBigwise Corp

LET'S TALK→

FIG. 01 · ARQUITECTURA

orders.controller.ts

12345678910

import { Router } from 'express' router.post('/orders', async (req, res) => { const order = await Order.create(req.body) await fcm.send(order.userId, { title: 'Nuevo pedido', body: `#${order.id} · $${order.total}` }) res.json({ ok: true })})

9:41▮▮▮▮ 92%

PEDIDOS2 NUEVAS

API · /orders

Nuevo pedido

#4231 · $42.50

FCM · push

Stock sincronizado

312 items OK

ESC.1:1

I'd rather ship backends and apps that work,
than chase perfect systems that never go live.

I design, build and maintain backends, microservices, mobile and web apps, and automations. Robust APIs, offline-first architectures, and integrations with platforms, third-party services and specialized hardware.

"When I commit to a project, I take it seriously."

Projects

08 selected pieces

Frontend · Landings + SEO

FreelanceWeb · 2026

Agenafalca

Next.jsLandingWebSEO

Corporate landing for a shipping agency

Institutional website for a shipping agency operating at the ports of Falcón, Venezuela. Design, development, technical SEO and deploy delivered solo as freelance.

→ Solo dev · Freelance

In-house workWeb · 2026

SLIVE

Next.jsLandingPlatformSEO

Landing for a business web platform

Marketing landing for a web platform that brings inventory, finances, point of sale and AI agents together in one place. Design, development, technical SEO and deploy.

→ Solo dev · In-house work

FreelanceWeb · 08/2026

Linde
Port Agency

Next.jsLandingWebSEO

Corporate landing for a port agency

Institutional website for a port agency operating 24/7 across Aruba, Bonaire, Curaçao, Panama and Venezuela. Design, development, technical SEO and deploy delivered as freelance.

→ Solo dev · Freelance

FreelanceWeb · 2025

World
Maritime

Next.jsLandingWebSEO

Corporate landing for maritime services

Institutional website for a company with over a decade in the naval sector, present in the main ports of Venezuela. Design, development, technical SEO and deploy delivered as freelance.

→ Solo dev · Freelance

Fullstack + Android

Co-tech leadAndroid · Retail · 2024

SLIVE14:32

VTA

RPT

INV

FAC

SLIVE POS

AndroidOffline FirstFiscalRetail

Android POS system for retail

Android point-of-sale system for retail, with offline first architecture and bidirectional sync. Co-led the project and worked on the app, operation modules and integrations with point-of-sale hardware.

→ Full-stack · Co-tech lead

Tech leadSignage · 2024

PROMO 50%
HOY

19:04

@SLIVE-ADS · 12 pantallas activas · push en tiempo real ··· sync 04ms

SLIVE
ADS 360

AndroidTiempo realSignage

Digital signage platform

Content management and distribution for real-time screens. Campaign scheduling and centralized control dashboard.

→ Tech lead · Main dev

Backend

Open SourceAPI · 2024+

POST /api/orders{ "businessUnit": "bu_a7d2", "items": [ { "sku": "BRG-21", "qty": 2 } ]}→ 201 · multi-tenant scoped

Order
System

TypeScriptExpressMongoDBMulti-tenant

Multi-tenant backend for orders system

Backend for a restaurant orders system with a multi-tenant architecture per business unit, two-token authentication and role-based access control. Personal project under active development, designed as a complete system.

→ Backend lead · Own project

In-house work.NET · REST · 2022+

GET /api/warehouse/stockPOST /api/cash-register/closePOST /api/invoices/e-invoicePOST /api/documents/signGET /api/sales→ .NET · C# · SQL Server

.NET
Backend

.NETC#REST APISQL Server

REST backend services in .NET for retail operations

REST APIs in .NET serving the operational core of retail: warehouse, cash registers and point of sale, sales, digital signage, e-invoicing, digital signature and database migrations.

→ Backend dev · In-house work

ROBERTOPALMAR/

I'd rather ship backends and apps that work,
than chase perfect systems that never go live.