API Development projects — HireLancer archive

ID / Date Listing

Credit-Based Video/Audio Call App

I need an application that facilitates both video and audio calls, using a credit system to charge users per minute of call time. Additionally, the app should i...

HL-40344602

Senior PHP Developer — FATbit / Yo!Gigs Expert + Marketplace Architect

SENIOR PHP DEVELOPER — FATbit / Yo!Gigs Expert + Marketplace Architect $100–$125/hr | Long-Term Engagement | NDA Required We're looking for a rare profile: a se...

HL-40344550

Real-Time Interview Platform Build

I need a streamlined, browser-based platform that lets my hiring team run live interviews without ever leaving the site. The main objective is to host smooth, r...

HL-40344426

Laravel Tabanlı AI Video Sitesi ve mobil uygulamaları

Laravel ile geliştirilecek bir web platformu arıyorum. Kullanıcılar yapay zeka API’leri üzerinden video başta olmak üzere görsel, müzik ve özellikle Reels forma...

HL-40344395

Fix Report ang Tips

I have a restaurant system in Laravel that manages customer credit. I need to: 1. Fix errors in loading this report, and also validate that payments can be made...

HL-40344404

Python Ultra-Low-Latency Trading Engine - Alpha

Project Overview We are building a high-performance, low-latency trading engine designed for microstructure-based execution strategies in a high-tax (STT) envir...

HL-40344279

Fixora: Home Services Marketplace App

Project Title: Mobile App Developer needed for Service Marketplace App (MVP) Project Description: We are building a mobile application similar to Uber but focus...

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Aplicación de Administrador y Operario

mini aplicacion que tiene dos modos. Modo administrador o backend Consta de un documento llamado parte de trabajo donde se inserta los siguientes datos. En la c...

HL-40343951

Build AI Video Detection Feature for Website (Real-Time + Upload)

I am looking for an experienced developer to build an AI-powered video detection feature for my website. The system should be able to process video input (eithe...

HL-40343955

DragonDriving Style Marketplace Build

I need a fully-functioning online marketplace that mirrors the user flow and clean, mobile-friendly look of dragondriving.co.uk. Visitors must be able to regist...

HL-40343812

Website Development for Wireless System

I need a website developer for a site with the following specifications Long-range wireless system featuring LoRa technology, excellent battery life, and full m...

HL-40343533

AI powered Document & Contract management Platform

I need a seasoned software developer who can move fast and prove it by sharing links to live products you have personally built. The assignment is to craft an A...

HL-40343791

FastAPI Customer Management Microservice

Pelicolis is a logistics platform enabling parcel management and delivery services. The Customer Management microservice is responsible for managing customers,...

HL-40343542

Fix ERPNext ZATCA XML Error

My ERPNext instance is up and running but the ZATCA (ErpGulf) integration keeps failing on an API call because of an XML syntax error. I have not changed the XM...

HL-40343479

WhatsApp-AI Complaint Handaling System Prototype

Project Title: WhatsApp-Based Complaint Intake & AI-Assisted Analysis System (Prototype) --- Objective To develop a functional prototype of a WhatsApp-based com...

HL-40343492

-FIAS Data Sync Middleware

I need a compact middleware script—your choice of Python or Node.js—that pulls JSON payloads from a REST endpoint hosted on AWS and forwards them, in near real-...

HL-40343318

TypeScript, Firebase and Cloudinary Specialist

We maintain a SaaS product that relies heavily on Typescript, Firebase and Cloudinary to process and store user-generated videos. We need someone who knows the...

HL-40343206

APK+WebSocket source code repair and optimization list

Fixes: Heartbeat Mechanism: The client pings every 30 seconds, and the server pongs. Check the source code for missing heartbeats or excessively long intervals....

HL-40343054

Developer Needed for Smart Real Estate Platform

We are building ReadyFlatz – a smart real estate platform that helps buyers find the most relevant properties using a structured matching system (not traditiona...

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Kick Stream Viewer Bot

I need a view-boosting tool that works exclusively with the Kick streaming platform and focuses on one task: increasing the live viewer count. The bump in numbe...

HL-40342915

Build SAP CPI Data Integrations

I need help developing end-to-end data integrations inside SAP Cloud Platform Integration. The focus is strictly on integration development, not basic configura...

HL-40342790

Fix React Dataverse Image Loading

I have a React app that should fetch and display pictures stored in Microsoft Dataverse, but none of the images appear at runtime. The same data shows up fine i...

HL-40342813

Cowrie: Reward Earning Mobile App (like Pi Network )

App Name: Cowrie Idea: A mobile-based reward/mining app where users earn digital coins daily by engagement (like Pi). Important: It is NOT real “mining” like Bi...

HL-40342816

70 $ SYSTEM IDEA – DOORS PRODUCTION & PROJECT CONTROL DASHBOARD

The goal of this system is to provide real-time visibility and control over every customer project, from sales confirmation to final delivery and warranty. This...

HL-40342846

Add FCM Push Notifications

My Expo (React Native) queue app is live and fully functional with a FastAPI + MongoDB back-end; the only missing piece is push notifications. The flow is strai...

HL-40342721

Build Router Layer for AI Islamic App (RAG + Multi-Module System)

Project Description: I have already completed Milestone 1 of my project (Islamic RAG system using Quran/Hadith data with strict output control). Now I need a de...

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CyberArk API Integration Specialist

I need an expert to integrateand develop CyberArk API processes for privileged access management and endpoint management. Requirements: - Build custom APIs to i...

HL-40342623

Property Flagging Map Apps

I want to initiate the building of property-flagging apps and have two applications in mind. One is a new kind of polling, the other a new kind of property list...

HL-40342510

Android Trading Signal App + Crypto Data API Integration

I need a clean, well-documented API layer that pulls market data from Binance, Upbit, and Bithumb. My focus is data only—no order execution or account functions...

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AI Chat Application Developer Needed (Enhance Existing Project)

I am looking for an experienced developer to improve and expand an existing AI chat application. The full project source code is attached in this job post, so y...

HL-40342283

Telegram Paywall Bot Development

I need a Telegram bot that grants and revokes access to a private group through a seamless, fully-automated subscription flow. After a user pays via PayPal, the...

HL-40342284

QR-Based Restaurant Ordering System

Hi there, I run a small restaurant/cafe combo (indoor seating + a small patio), and I’m finally ready to stop running around with paper notepads. I need someone...

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Full Stack Developer

I’m looking for a seasoned full-stack developer who can take a new web project from concept to production. You’ll architect the entire stack, build a clean, res...

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Secure Roblox Marketplace MVP

I am looking for a Senior Laravel Developer to build the MVP (Phase 1) of a professional gaming marketplace called "Eso". Our goal is to compete with platforms...

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Full-Stack Developer Needed for Custom B2B Order Management & Quoting Platform

We are looking for an experienced full-stack developer or team to build a custom, scalable B2B platform from scratch. This is NOT a basic website. It is a busin...

HL-40342138

FULL STACK DEVELOPER FOR FNISHING GOOGLE MAP SCRAPER PLATFORM

Finish platform implatemention and deployment. Work is almos done. 00. Structural Audit & Refactor Checklist and Confirm Dockerized Chromium cluster is deployed...

HL-40342098

Secure API Integration for Vet PIMS

I need a secure API integration that connects our screening tool with our veterinary PIMS, Instinct. Key Requirements: - API to transfer test results. - Secure...

HL-40341979

SaaS Project Bugs Fixing

My SaaS dashboard runs on a PHP backend with an AngularJS front end, and a few stubborn bugs are slowing us down. On the server side the issue shows up as clear...

HL-40341631

API Integration for Retail Marketplace

I'm looking for an experienced API developer to integrate multiple retail vendors' POS systems and webshops into my marketplace (shopify + webkul multi vendor m...

HL-40341402

Java-Angular API Integration

I need an end-to-end code base that lets me talk to a 3rd-party REST service from a Java backend and an Angular front-end, handling both data retrieval and subm...