API Development projects — HireLancer archive

ID / Date Listing

Custom Travel Agency CRM

I need a purpose-built CRM that streamlines how my travel company captures, tracks, and services every booking. The platform must combine three pillars in one p...

HL-40507974

Sistema Web Salud Laboral

Necesito desarrollar un sistema web que me permita gestionar de extremo a extremo las evaluaciones médicas de ingreso para empresas clientes. Qué debe hacer la...

HL-40507768

Whop-Shopify Checkout Integration

I want to connect my Shopify store to Whop through a fully custom solution rather than a plug-and-play app. The goal is to let shoppers complete their purchase...

HL-40507700

Shoptet API Product Data Integration

I run a Czech e-shop on the Shoptet platform and need the Shoptet REST API turned into a working bridge between my store and an external system. My only goal ri...

HL-40507722

Individual Investor Portal Development

I need a secure, intuitive web portal built specifically for individual investors. pages login Dashboard My Investments New Properties Wallet Withdraw Funds Wit...

HL-40507649

Full-Stack E-Commerce Web App

I’m ready to turn a concept into a production-ready e-commerce web application and I’m looking for a single partner who can own both the front-end and back-end...

HL-40507493

Next.js SaaS Sports Academy Platform — Developer & AI-Assisted Feature Builder + Mobile App

About the Project NextGen Sports is a live, production multi-tenant SaaS platform for sports academies in India. Built on Next.js 15 + TypeScript + TailwindCSS...

HL-40507423

Real-Time DXY AI Alert System

I want to build a real-time AI-powered system that can track the DXY (US Dollar Index) and instantly provide price updates, macroeconomic news, geopolitical new...

HL-40507023

Blynk Developer for IoT Plant Wellness System

Mobile App Development for Medxionic FloraPulse (Blynk) We are developing an IoT-based Smart Plant Wellness System called **Medxionic FloraPulse**. We require a...

HL-40506947

Affordable Sports Betting Website

I’m looking for a developer who can craft a lean yet fully functional sports-betting site while working within a very tight budget of roughly ₹2–3 K. The core o...

HL-40506997

AI Engineer for Language-to-Task Flow Graph Generator

Seeking an experienced AI/Robotics Software Engineer to develop a Language-to-Task Flow Graph Generator for industrial robot operations. The platform will trans...

HL-40506816

British Ambulance Service Server Development

I'm seeking an experienced developer to create a comprehensive British Ambulance Service server. The server should include: - Dispatch System: Efficiently manag...

HL-40506835

Driver Milestone Click-and-Zoom

Devo completare il driver ONVIF di Milestone aggiungendo la funzione “Click e zoom” che oggi manca. Al singolo clic sull’immagine l’operatore dovrà poter: • ese...

HL-40506853

British FiveM Emergency RP Server

I am starting with a completely blank FiveM install and need it transformed into a fully-featured British emergency-services role-play environment. The server m...

HL-40506716

Office Performance Tracking App

I need a Google app to track various performance metrics for my office. The app should be able to track: - Consular activities - Investor/Sales engagement - Adm...

HL-40506584

Custom Database Integration Build with Zoho CRM and company website & worklfow -- 2

I need a developer or small team that can own the entire lifecycle of a custom, database-level integration for our business. The work goes far beyond a connecto...

HL-40506604

Insurance E-Commerce Website Build

I need a full e-commerce website for my insurance company. The core of the project is an online quote generator that lets prospects compare plans, choose covera...

HL-40506407

Web-Based Inventory Management Application

I need an inventory management application that lets me create, read, update, and delete every core entity—products, suppliers, categories, and locations—throug...

HL-40502715

QR-Based Business Check-In Website

RSH Connect – Smart QR-Based Business Management Platform Project Overview I want to build a professional SaaS-based web platform called RSH Connect that provid...

HL-40506318

AI Lead Capture Extension

I need a Chrome extension that quietly runs on our company-issued computers and records every sales-related touchpoint my team makes on Facebook, Instagram, Wha...

HL-40506053

Software Portátil para Operações de Ativos Digitais

Estou em busca de um desenvolvedor experiente capaz de criar um software portátil para Windows (preferencialmente compatível com Windows 10) voltado para operaç...

HL-40505868

AI-Powered Review Dispute SaaS Development

I need a full-stack developer who is comfortable blending AI, automation, and SaaS architecture to turn my product vision into a production-ready platform. The...

HL-40505779

Optimize Firestore Pagination Reads

I’ve built an internal admin panel in TypeScript that displays data from Google Firestore. Although I’m already using cursor-based pagination and intend to fetc...

HL-40505789

Custom Operations Platform Development Phase 1

Looking for a Senior Full-Stack Developer or Development Team to build Phase 1 of a custom operations platform for a produce distribution company. The system wi...

HL-40505605

Build YouTube-Style Video Platform

I’m putting together a full-scale video sharing service that recreates the most familiar YouTube flows while introducing our own “follow” system instead of trad...

HL-40505648

Bird Migration Tracking Software Development

I need a robust yet field-ready software tool that concentrates on tracking bird migration paths. Population counts and behavioral notes still matter, but the m...

HL-40505509

OTA b2c & Dashboard Design

Front end : Next js= Back end : Node js I am rolling out an OTA platform built around independent modules. The very first milestone is a fully working eSIM & in...

HL-40505570

Real-Time Worker-Employer Chat System

I need a standalone chat module that plugs into my existing Worker Online platform so employers and workers can talk instantly without ever leaving the site. Th...

HL-40505449

Plataforma Integral de Apuestas Online

Busco a un desarrollador o equipo capaz de entregar una casa de apuestas 100 % operativa. Necesito que incluya los siguientes módulos y funciones clave: • Juego...

HL-40505514

Senior Laravel Developer: Build Scalable Data API

I am seeking an expert PHP Laravel developer to build a secure, high-performance API ecosystem to sync regional, demographic, and business metrics across our ne...

HL-40505427

Full Stack Developer Collaboration

I have a new build that needs someone who can comfortably handle both the client-side experience and the server-side logic from start to finish. The exact shape...

HL-40505322

STS REALTY Private Ltd App Development

STS REALTY PRIVATE LIMITED Mobile Application and Admin Panel Requirements Project Name STS REALTY – Investor & Client Management System Platform Requirements *...

HL-40505355

Django REST API Development -- 2

I’m building out the backend for a new product-oriented platform and need a Django specialist to craft a clean, scalable REST API. The core stack is Django + Dj...

HL-40505167

Agentic AI Claims processing Threat Modelling

I’m looking for a seasoned threat-modelling professional who can guide me through a complete IriusRisk engagement for our AI-powered Claims Document Summarisati...

HL-40505234

Classifieds Marketplace Development

I’m planning a full-feature classifieds platform—web and mobile—modeled after Milanuncios or MercadoLibre. Core modules include dynamic ad publishing with unlim...

HL-40505235

Android Rewards Ad Network App

I want to launch an Android-only rewards platform where users can make money by interacting with advertisers’ content. The primary earning action will be, in yo...

HL-40505239

Vehicle Sales Platform Development

I need a full-stack solution that covers two fully connected areas: Dealership Panel • Vehicle inventory must handle stock tracking, trigger automated low-inven...

HL-40505115

Integración SII Chile JSON

Necesito una integración que se conecte directamente al Servicio de Impuestos Internos (SII) de Chile y extraiga dos tipos de información: Facturas de venta, Ga...

HL-40504814

Fleet Tracking & Management Platform

The core of this build is a real-time vehicle tracking platform that receives GPS and telemetry data from an existing third-party system via its API, stores it...

HL-40504720

Full-Stack TMS & Load Board

I need a cloud-based Transport Management System that works seamlessly on desktop browsers and mobile devices. The heart of the platform is a comprehensive load...