API Development projects — HireLancer archive

ID / Date Listing

Car Reverse Auction Platform - 28/12/2025 22:45 EST

We are building a full-stack, real-time reverse auction marketplace for cars that works seamlessly on iOS, Android, and the web. The system must give Buyers the...

HL-40102556

Elite Full-Stack Web Developers $100 AUD ONLY

OUR OFFER AS FOLLOWS. 1. $100 AUD TO FULLY COMPLETE OUR THEMES 2. PERSONAL GUARANTEE TO MEET DEADLINES. 3. UNLIMITED REVIONIONS GUARANTEE 4. ONGOING MANAGEMENT...

HL-40102566

React-Node Azure AI Platform

I’m building an Azure-hosted product that coordinates several AI agents to automate complex workflows, and I need help finishing both the interface and the serv...

HL-40102439

Semi-Automated Messenger Chat Reply

I’m looking for help setting up and running a semi-automated reply system inside a messenger-based app. The goal is simple: routine questions should be handled...

HL-40102453

Semi-Automated Messenger Chat Reply -- 2

I’m looking for help setting up and running a semi-automated reply system inside a messenger-based app. The goal is simple: routine questions should be handled...

HL-40102330

Real-Time Email Location Tracking

I run promotional email campaigns and I want to understand exactly where each recipient is situated the moment they open one of my offers. The goal is strict ma...

HL-40102238

Node.js App Vercel Deployment

I have a full-stack Node.js application ready to go and want it live on Vercel without headaches. The repo is clean; I simply need someone who knows Vercel’s bu...

HL-40102243

Phoenix App Backend API Support

I’m finishing up a cross-platform mobile app (iOS and Android) and the client-side work is moving fast, but the server side still needs love. I need an experien...

HL-40102248

Accounting App-KSeF Integration

I need to connect a single, in-house accounting application directly to the Polish KSeF platform through its official API. The integration must cover the full i...

HL-40102173

No more missed appointments

More details: Is this project for business or personal use? For an existing business What information should successful freelancers include in their application...

HL-40101498

AI Residential Defect Detector

I need an AI-driven application that reviews photos of residential buildings and highlights two specific problem classes: structural issues (cracks, subsidence,...

HL-40100731

Multi-Vendor Delivery Platform Development -- 2

We are building a full-scale multivendor delivery marketplace (Web + Android + iOS + Vendor Panels + Delivery Boy App). The platform will be similar to Instamar...

HL-40102146

Laravel-Flutter Accounting Enhancements

Our management system runs on a Laravel API with a viejs front-end, and the accounting module now needs attention. I have a handful of mixed tasks: first, fix t...

HL-40102160

PHP8 Upgrade & MMORPG Support

Our browser-based, text-driven MMORPG is still sitting on a legacy PHP 7 codebase with no underlying framework and zero automated tests. My immediate goal is to...

HL-40102162

AI-focused Full Stack Development Needed for Category-Defining B2B SaaS Startup (Law.AI)

Full-Stack Developer (AI-Native Builder: Antigravity/Cursor + GitHub + Vercel + GCP + n8n to Ship Fast) Type: Contract (30–40 hrs/week) • Remote (US preferred)...

HL-40101962

C/C++ Cryptography Expert Needed

This is an example of a record: Field No. 0: 0039008K Field No. 1: 1775674 Field No. 2: 2025080H Field No. 3: 3003715J Field No. 4: 4001 LJ/ Field No. 5: 5BX T...

HL-40101979

Google Meet Attendance Tracker Webapp

I need a web-based tool that plugs into Google Meet and automatically records attendance even if I’m not present in the call myself. The tracker must pull the f...

HL-40099236

Plateforme sportive Web & Mobile

Le projet consiste à créer une plateforme sportive moderne, disponible à la fois sur navigateur et sur mobile, avec une interface dynamique riche en visuels per...

HL-40101898

AI Platform for Operational Efficiency

I’m building an agent-based AI orchestration platform whose sole mission is to boost operational efficiency across the organisation. The system must coordinate...

HL-40101908

Turnkey Astrology Website & PWA Build

I’m launching a new astrology brand and need the entire tech stack ready for revenue from day one. The build must centre on a secure PHP-Laravel backend, ship a...

HL-40101913

Realtime Tuya Data Collector

I need a lightweight PHP solution that can pull three data points from my Tuya smart plug—energy consumption, current device status, and the operational log—and...

HL-40101923

Python Web Scraping Script Enhancement

I already have a Python + Django scraper that sends keyword-based queries to multiple search engines through rotating proxies in order to collect email addresse...

HL-40101768

Çift Kafe Yönetim ve Kontrol Sistemi

2 kafeyi uzaktan kontrol yönetim: - Yöneticinin oturum açacağı login sayfası. - Ana yönetim, kullanıcı yetkilerinin, cafe ekleyip çıkartmanın ve kasaya müdahale...

HL-40101805

HomeCars Platform Development

HomeCars Platform – Developer Brief (Full Explanation) Overview HomeCars is a nationwide real estate and vehicle credit platform designed to handle large volume...

HL-40101806

HomeCars Platform Development -- 2

HomeCars Platform – Developer Brief (Full Explanation) Overview HomeCars is a nationwide real estate and vehicle credit platform designed to handle large volume...

HL-40101629

Golang Specialist for TikTok Autoclaimer Tool

Looking for Golang Developer – TikTok Username Autoclaimer I’m looking for an experienced developer to build a TikTok username autoclaimer written in Golang, wi...

HL-40101658

Python Web App Development

I need an extra set of expert hands to turn a web-based idea into a fully working application built with Python—either Django or Flask, whichever you feel will...

HL-40101451

Web & Mobile App Development

I need experienced software developers to take charge of several web- and mobile-based projects that are currently on my roadmap. The work is strictly technical...

HL-40101464

IG & TikTok Auto-Posting Workflow

The goal is to turn a single Google Sheet row into a published Reel on both Instagram and TikTok without manual touch-points. As soon as I drop a script into th...

HL-40101248

Custom Website Build Required

Custom website development, details to be discussed

HL-40101315

Webhook-Based Telegram Bot Development

I need a production-ready Telegram bot that runs on my VPS through a pure webhook architecture—no long polling. The entire stack should be built in Node.js and...

HL-40101332

Asp.net(nopcommerce)

Hi, I am trying to get a module which will allow admin to enable disable atribute value. i.e Size can have multiple value and i want certain value to disabled s...

HL-40101345

Educational Stock Trading Simulator Development

I’m looking to build a browser-based stock trading simulator for educational purposes. The platform will allow students to practice buying and selling equities...

HL-40101344

Custom ERP for Logistics

3A Logistics OS – End-to-End ERP, Control Tower & AI Operating System 1. Company Overview 3A International is a multimodal freight forwarding and logistics grou...

HL-40101119

Amazon Autopilot Home Goods Site

I need a website that automatically handles product listings for home goods on Amazon. Key Requirements: - Primary function is to list home goods products. - Mu...

HL-40101150

Live Stock Dashboard & Zerodha Alerts

I need a web-based dashboard that streams real-time quotes for all Nifty 50 and Nifty Midcap 100 stocks (about 150 symbols) through my Zerodha Kite Connect API...

HL-40101155

Android E-Commerce App With Reviews

judul proyek singkat, detail pekerjaan, referensi atau contoh, dan tenggat waktu

HL-40101169

Openprovider-WHMLab Domain Registration Plugin

I need a small, reliable plugin that lets WHMLab talk directly to Openprovider so clients can register domains without leaving the panel. I already have the off...

HL-40101181

BTCUSDT spot market SMA Trading Strategy on QuantConnect Platform

I need a fully coded, back-tested trading algorithm for the BTCUSDT spot market that relies on a Simple Moving Average (SMA) crossover of a long-term band (100–...

HL-40101081

Joomla Quote Module for our existing SERA Tools -- 2

We are sport timing company and we made some time ago our cool SERA Tools to manage the events. Here we want extend it to make simple quotes to our customers. A...