RESTful API projects — HireLancer archive

ID / Date Listing

Cryptocurrency Transaction Functionality Web Development

I have a website and I need to add a new functionality for registered users. I want them to be able to transfer cryptocurrencies from their account to my accoun...

HL-39839150

ERP Production Tracking System

I have already drafted a full functional blueprint for an ERP-style platform that takes an order from entry all the way through packing and shipping. The docume...

HL-39838828

Secure Express.js API Build

I’m finalising a Next.js front-end and now need a seasoned Express.js developer to stand up the entire backend layer. The priorities are clear: • Robust RESTful...

HL-39838564

Public Shopify App for Automated Configuration & Calling Service

We want to build a public Shopify app that can be installed by any Shopify merchant. Once installed: The app will automatically capture the merchant's Shopify a...

HL-39838414

Full-Stack Engineer for Realtime Platform

I’m building a high-performance data aggregation and analytics platform focused on real-time insights. To keep pace with growing demand, I’m looking for a senio...

HL-39837671

Legacy ERP to monday.com Sync -- 2

I need a rock-solid, two-way bridge between our Windows-based Tradesoft ERP (Sybase/SQL Server on .NET) and monday.com. The integration must push and pull custo...

HL-39837609

SaaS Gym Management Software PHP

I need a fully-hosted gym management platform written in PHP that I can roll out to multiple gyms under a single subscription model. The heart of the system is...

HL-39837051

Wdrożenie biblioteki UPS (ShipStream / ups-rest-php-sdk)

Projekt to mikro serwis (bez UI) który będzie mostem pomiędzy UPS a aplikacjami docelowymi (klienckimi). Mikro serwis ma być zbudowany w PHP i używać w/w biblio...

HL-39836721

Build Dynamic Full-Stack Web App -- 2

Please quote "no bot" as a first sentence. I am seeking a full stack web developer to create a new website for an English club using React or Next.js for the fr...

HL-39836493

Full Stack Laravel E-commerce Build -

I’m commissioning a complete e-commerce website built with PHP Laravel and expect you to handle both the backend architecture and the frontend interface. The si...

HL-39835936

CodeIgniter & Node.js Development

I’m growing a couple of web applications built on CodeIgniter and Node.js and need a seasoned hand to speed things up. You’ll dive into an active code-base, ext...

HL-39835505

Recharge & Bill Payment App

I need a complete mobile solution that lets everyday users recharge mobile numbers, DTH and data cards, settle utility bills for electricity, water and gas, and...

HL-39835366

Development and Deployment of Backend for WhatsApp Web QR Integration with CRM (Node.js on Contabo VPS)

We are looking for an experienced Full-Stack or Backend developer to build and deploy a dedicated backend service (“WhatsApp Bridge”) that allows the integratio...

HL-39834563

Dev Laravel & devops

المشروع ما يزال في مرحلة التطوير الأولي، لكنني أريد الانتقال سريعاً إلى بيئة نشر مستقرة ثم رفع تطبيقَي iOS وAndroid إلى المتاجر بأسرع وقت. كود الـ Backend مكتوب...

HL-39833325

iSAMS School Setup & Integrations

I’m rolling out iSAMS across our school and need an expert to take the project from blank slate to fully-operational system. The core platform must be configure...

HL-39832915

WhatsApp Business API Integration

Job Title WhatsApp Business Cloud API Setup (Rs 5000) Job Description Seeking an experienced developer or consultant to set up the official WhatsApp Business Cl...

HL-39831669

Bank Transfer Gateway With Saleable API

I need a purpose-built payment gateway focused exclusively on bank-transfer transactions. It must give me real-time status updates for every payment, run fraud-...

HL-39831576

Django E-commerce App Build

I need a production-ready e-commerce web application built with Django. The project centres on three core modules: • Product catalogue – searchable and filterab...

HL-39831219

Car Mobile App

I want a production-ready car marketplace built end-to-end on the Microsoft stack. The app must run smoothly on both Android and iOS using .NET MAUI, letting us...

HL-39830866

Mac App Developer Needed

I’m ready to build a brand-new macOS application from the ground up and need an experienced Xcode specialist to make it happen. The concept is defined at a high...

HL-39830890

Automated Flutter-Ionic Build Pipeline

I need a reproducible build pipeline that turns one command into fully versioned mobile artifacts and exposes the whole flow through a small, documented API. Pr...

HL-39829339

Quick .NET REST Integration

I have an existing C#/.NET code-base that needs a clean, well-structured REST API integration. The goal is to fetch and post data reliably, wire it up to my cur...

HL-39829050

Senior Node.js Developer for Finance Web App

We are building a financial web application designed for portfolio tracking. The platform will allow users to: Track investments across multiple asset classes (...

HL-39827704

Instant Freight and Crating Quoting Tool

I’m looking to turn our in-house pricing engine into a customer-facing application that can live in two places: as a standalone web app and as an embeddable wid...

HL-39827502

Experienced Laravel Freelancer Required for one task

A growing PHP-Laravel codebase needs an extra pair of hands. The project already follows standard MVC patterns, lives in Git, and targets PHP 8+. I need someone...

HL-39827362

Urgent Laravel E-Commerce Expert Needed

My Laravel-based e-commerce site is already in the development phase and I need a seasoned developer who can step in immediately, understand the current codebas...

HL-39826945

Vue 3 Ecommerce Frontend

Ya tengo el backend REST en Python funcionando; ahora necesito que me entregues el frontend completo en Vue 3 (Composition API) tomando como punto de partida la...

HL-39826415

Laravel developer for API fixing

Only developer who can follow to fix one by one. Work with ftp only.

HL-39826343

TradingView Chart Integration Support

TradingView’s Advanced Chart library must slot smoothly into my existing web application so that users see live, tick-by-tick stock prices without page refreshe...

HL-39825484

Applicant Tracking System Development

I need a streamlined applicant tracking system that lets my hiring team move seamlessly from résumé submission to final decision in one place. The platform must...

HL-39824580

Jarvis-Style Smart Home Integration

I have already designed the core “Jarvis” concept that powers my personal assistant; what I’m missing is the connective tissue that lets it speak fluently with...

HL-39824083

Uruguay Property Scraper API

I want a clean, well-documented scraper that pulls listings from both mercadolibre.com.uy and infocasas.com.uy. The tool must let me query by location and prope...

HL-39823722

MongoDB Backend with Auth & APIs

I already have the entire frontend built and tested; what I still need is the backend that will let the application actually store data, protect user accounts,...

HL-39823463

Integrated Hospital Payment Solution

I need a focused payment-processing module that plugs smoothly into our existing hospital management system. The scope is intentionally narrow: handle real-time...

HL-39823404

Spring Boot Web App Build

I need a production-ready web application built entirely in Java, using Spring Boot as the backbone and MySQL for data persistence. The goal is to move quickly...

HL-39822562

Urgent React & Laravel Help

I’m racing against a tight deadline and need an experienced developer who can confidently handle both ends of my stack—React JS on the front-end and Laravel on...

HL-39822585

Flutter Raspberry Pi App

I need a robust mobile application that talks directly to my Raspberry Pi-based device and guides users through a short diagnostic workflow. The same build must...

HL-39822064

Parchis Multinivel Unity y Go

Busco desarrollar un parchís/ludo on-line con salas temáticas y una sala universal donde todos coinciden en tiempo real. El front debe levantarse en Unity (PC y...

HL-39820451

Full-Stack Web Development

I’m ready to bring a new online product to life and need a versatile full-stack developer who feels equally at home on the server and in the browser. The work r...

HL-39820338

React/Node Application

Hi, I am looking for a fullstack developer for a 1 month project. Tech stack : React Js Css 3 Typescript Node Js 2$ per hour 8 hours per day 5 days per week 4 w...