API Development projects — HireLancer archive

ID / Date Listing

Wedding & Event Booking Platform

We’re building a modern online platform where couples and event organizers can plan, find, and book everything for their wedding or event in one place — from dé...

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تطوير بوت واتساب للموارد البشرية

نبحث عن مطوّر فريلانسر لتطوير بوت واتساب تجريبي (Standalone) لخدمات الموارد البشرية. المشروع في مرحلته الأولى يهدف إلى اختبار الفكرة وتجربة المستخدم، ولن يتم رب...

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Luxora app per il investimento immobiliare

Voglio dare vita a una piattaforma che semplifichi l’investimento immobiliare, fruibile sia da browser sia da mobile (iOS e Android). Mi occorre un’unica base d...

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WooCommerce-Sage 50 XML Sync

I need a custom WordPress plugin to connect my WooCommerce store (www.caterport.com) to Sage Line 50 accounting software using the Adept XML Web Import/Export t...

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Project Management & API Integration

Job Post: ABDM Integration for Healthcare Platform (M1, M2, M3, M4 & PHP App) – Fixed Price ₹20K Project Overview: We are seeking an experienced developer/team...

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USDT BEP20 Withdrawal Integration

I’m upgrading my existing financial application to let users cash out directly in USDT (BEP20) on Binance Smart Chain. The scope is strictly withdrawals: when a...

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Custom Multi-Agent AI System

I’m building a platform where several AI agents run side-by-side, each with its own speciality and toolset yet still able to collaborate. Every agent must • ope...

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Egypt Business Connect

I’m launching a web-based ecosystem that gives Egyptian entrepreneurs a single place to do two things at once: discover fresh, data-driven business ideas and im...

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Modular WooCommerce Platform Customization

I need a seasoned WooCommerce developer to turn my existing WordPress store into a scalable, plug-and-play e-commerce platform. The core job is deep PHP-level c...

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Secure B2B Escrow Platform

I’m looking for an experienced full-stack developer or team to build an MVP of TradeFlow, a secure B2B transaction platform where buyers and sellers can digital...

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Piwigo-OneDrive Storage Integration

I want Piwigo to store every photo directly in Microsoft OneDrive—no two-way sync, just treat OneDrive as the primary file location. Your solution should: • Bui...

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MeraGaon Mart App Development

I want to develop "MeraGaon Mart" (similar to SwasthGaon), a simple and fast mobile/web app for rural users. It should allow villagers to: - Search medicines or...

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EXPERT TRAVEL - B2B-B2C

EXPERT Travel - B2C Travel Portal Script

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Laravel & Flutter RBAC Integration

I’m expanding my existing system and want role-based access control wired in cleanly across both codebases. The web-side admin panel is Laravel, while the end-u...

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MVP URL Shortener Platform

I need an experienced developer or small team to build an MVP-level URL shortening platform that works smoothly on both web and mobile. At this stage I’m focuse...

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iOS & Android App Build

I’m ready to turn a clear product idea into a working mobile app that runs smoothly on both iOS and Android. I will provide the user flows, wireframes, and API...

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Revenue-Generating Website with Payments

The task is to build a Profitable website — a revenue-generating website— from the ground up. I want a complete, production-ready solution that includes both th...

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School management system

I’m preparing the next release of sms.cybrexus.com, our cloud-based School Management System, and I need a concise functional blueprint that tells my dev team e...

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Laravel Developer - 2 Projects to fix (3 days work)

Just fixes and adjustments on existing projects. Two projects only. Only developer who can follow can fix it one by one. Fix one issue, then go to the next. Wor...

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Law Firm CRM & PM Platform

1. Introduction I need professional services provider seeking an experienced software development partner to build a comprehensive, cloud-based Customer Relatio...

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High-Precision Freelancer Mandate: Deploy the AI-Optimized Multi-Protocol Alpha Engine

This advertisement is specifically for a high-precision Web3 specialist or Smart Contract Deployment Engineer whose mission is to execute the final, live launch...

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High-Precision Freelancer Mandate: Deploy the AI-Optimized Multi-Protocol Alpha Engine -- 2

This advertisement is specifically for a high-precision Web3 specialist or Smart Contract Deployment Engineer whose mission is to execute the final, live launch...

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ZATCA E-Invoice API Integration

I need a production-ready API layer that lets our existing Microsoft Dynamics ERP push sales invoices to ZATCA in Saudi Arabia, retrieve the clearance response,...

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Healthcare Platform Full-Stack Development

Medical Treatment Project - Medical Treatment Platform Budget -$250 to $500 Basic MVP Concise & Business-Friendly Project Medical Treatment Full-Stack Team Need...

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Messaging Micro-Service Security Implementation

Hello! I’m looking for a skilled developer to build a secure mini-service that connects to user-granted Gmail accounts, scans incoming messages, forwards specif...

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Permit Scraper & Enrichment Tool

I’m looking for a developer who can build a reliable scraper that pulls every construction permit—plus electrical, plumbing, HVAC, architect, and engineer licen...

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Leo AI Siemens NX Add-in development

We are seeking an experienced developer to develop a Siemens NX add-in that integrates with the Leo AI desktop application. The goal is to provide functionality...

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Minecraft Death Note Plugin Development

I'm looking for an experienced Minecraft plugin developer to create a custom plugin for my Death Note gamemode. The plugin should primarily focus on custom deat...

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Advanced OLX-Style Marketplace App

I’m looking for a compact MVP that captures the spirit of OLX while staying lighter on ads and smarter for users. Here’s what I need at this stage: • Listings:...

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Ride-Hailing MVP Blueprint

I’m preparing to launch a ride-hailing platform inspired by Uber and Lyft, but I’m starting with a lean MVP. I need an experienced mobile developer or solution...

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App Streaming Seguro para Filmes

Quero lançar um aplicativo de streaming focado exclusivamente em filmes e preciso que toda a cadeia – do upload à reprodução – seja blindada contra cópias ou re...

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Internal & Public Chatbot Development

I’m kicking off a two-stage chatbot initiative and need a strong technical partner to build the foundation. Phase 1 focuses on an email-driven assistant exclusi...

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Script API para revisar y restaurar solo los elementos que requiero.

Necesito obtener unos elementos de la papelera de reciclaje en sharepoint. Los elementos fueron eliminados de una lista específica y pasé a eliminar algunos por...

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Enhancing Real Estate AI Predictive System

Python Data Scientist Needed — Real Estate AI Price Prediction & Automation Platform Website: https://homeprices.cashprohomebuyers.com Platform Type: AI-Powered...

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KI-Architekt (m/w/d) für Enterprise RAG & Multi-Agenten-Architektur – Fokus: In-House Blueprint & Wissenstransfer

Gerne, hier ist die optimierte und umfassende Ausschreibung für den KI-Architekten, komplett als einfacher Text ohne Emojis, bereit zur Veröffentlichung auf Fre...

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SmartBilling API: Sistema de Facturación Profesional

SmartBilling API – Sistema Profesional de Facturación y Pagos (FastAPI + PostgreSQL + JWT) API moderna y escalable para gestionar usuarios, clientes, productos,...

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AI WhatsApp Support Chatbot Setup

I need an AI-powered WhatsApp chatbot configured end-to-end for customer support. The bot should greet users with clear, predefined answers for our most common...

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Google Ads API & Webhook Automation Expert Needed to Integrate Kommo CRM (Enhanced Conversions + Audience Lists)

Project Overview: We are looking for a freelance expert in programmatic automation (Webhooks) and integrating CRM systems with advertising platforms. The goal i...

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n8n NLP Workflow Automation

I am setting up a series of n8n workflows to automate natural language processing across my product. Text arrives from two main sources—live APIs and our intern...

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Python-MongoDB REST API Backend

I have a MongoDB database ready to go and now need a clean, well-structured RESTful API built around it in Python. The scope is focused purely on API developmen...