API Development projects — HireLancer archive

ID / Date Listing

Enhance AI Fitness Microservices Platform

I already have the first version of a fitness-tracking platform running on Spring Boot microservices, a React front-end, Docker containers, a Keycloak OAuth2 re...

HL-40017034

Daily VRBO Cost Scraper

I need a small, reliable script that can visit a specific VRBO listing each day, pick a predefined date range, and capture the total booking cost shown at check...

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Real Estate Platform with Analytics

I already have a clickable prototype that sketches out a property-search map, marketplace, news feed and payment flow. Now I need a production-ready web and mob...

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Shadi AI Studio – Full AI Creation & Automation Platform

I need a complete end-to-end AI SaaS platform (web + mobile) similar to Manus AI, but more powerful. The system must support Arabic, Hebrew, and English, and in...

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Flutter Railway Management App

I’m ready to move from concept to a working Railway Management System and need a Flutter specialist who can own the full cycle—analysis, design, and implementat...

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Fintech Mobile App Backend Development

Senior Backend Engineer (10–15 Day Delivery) — Microservices, MySQL/Postgres, MongoDB, Firebase Auth: Project Summary We’re building a production-ready backend...

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Next.js iOS Productivity App Build

I’m midway through a productivity-focused iOS application that relies on a Next.js front-end, a Node.js API layer, and MongoDB for data. All project details, wi...

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Butcher E-Commerce Site Build

I operate a busy butcher shop and abattoir that already serves walk-in customers and a growing digital audience. I now need a modern, clean online store that pu...

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Sviluppo di App Calcistiche con AI

Descrizione del Progetto: Cerco un team di sviluppo professionale (non freelancer singolo) per realizzare un’app mobile completa, chiavi in mano, basata su anal...

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Conveyancing Platform With Mobile App

Please replicate the functionality demonstrated in this video—https://www.youtube.com/watch?v=kWQSBuDRziU—while adding fully-integrated mobile support for both...

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Senior Symfony GraphQL Backend Developer (Remote Contract)

Summary About LinkORB Engineering LinkORB Engineering is looking to expand our global team of 100% remote technology professionals and hiring for a Senior Symfo...

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Advanced Trading Order Automation

I trade through the FYERS API and need a compact piece of code that will handle my order life-cycle end-to-end. The logic is already clear in my head; I simply...

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Next.js UI Redesign & API Update

I’m ready to give my existing Next.js app a full facelift. You’ll begin by cloning the repo and exploring the current component tree, routes, and API layer so y...

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B2B Purchasing Portal Development

RFP – Request for Proposal International Purchasing Portal | Web Development 1. Project Overview We are seeking a developer or software company to build an inte...

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Priority Integration Development Assistance

Summary We are seeking an experienced developer with expertise in Priority software integration. Our team has a developer in place, but we require a specialist...

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Identify Inbound LinkedIn connections and send personalised reply -- 2

I need a system / tool or browser plugin that uses AI. I want 2 pieces. 1. Look for new connections on LinkedIn, send a file as a reply. File will be stored in...

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Mobile App Backend Bug Fix

I'm seeking an experienced backend php laravel developer to resolve bugs in our mobile app, specifically in real-time updates. Key areas of focus: - Fix issues...

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Mikrodienst Marktplatz-App Entwicklung

Ich möchte eine plattformübergreifende Anwendung entwickeln, die sich am Konzept von Vinted orientiert, jedoch nicht für Second-Hand-Artikel, sondern für Kleins...

HL-40015140

upgrade and expand Multi-Vendor Web & App Platform

Hello Developers, I am looking for a professional development team to upgrade and expand the existing Moaddi Vending Platform, which is already fully built, dep...

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Private App API Interception

I need you to intercept the api calls of an app which is not public and might be using system pinning ssl , certificates etc.

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MLM Commission Tracking Software Build

I’m building a custom MLM platform and I need software that puts commission tracking front and center. The system must calculate, store, and display every commi...

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Looking for a developer to create a cloud-based web service for multiple users with the following features:

Core Requirements: - Unlimited client database with specific fields (fields will be provided; data will be uploaded locally for data protection). - Order entry...

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Database Parsing App to Sheets

I need a straightforward app—accessible both in a browser and on iOS / Android—that lets me drop in a database file, have its tables parsed automatically, and t...

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LinkedIn Profile Data Extraction Extension form Sales Navigator

I need a lightweight Chrome extension that lives on LinkedIn Sales Navigator and captures real LinkedIn profile URLs— not the Sales Navigator redirect links—alo...

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Cross-Platform Event QR Scanner

The assignment is to build a production-ready mobile app for both iOS and Android that scans event QR codes, authenticates users with their credentials, and ret...

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Python Script Proxy Rotation Integration

I already have a working Python scraper and a pool of residential proxies saved in a plain text file. What I need now is clean, reliable logic that will read th...

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Build FinPro Connect Marketplace

Here is a structured **Request for Quotation (RFQ)** document tailored for developers. It is written to be professional, clear, and focused on the **Phase 1 MVP...

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Build FinPro Connect Marketplace -- 2

Here is a structured **Request for Quotation (RFQ)** document tailored for developers. It is written to be professional, clear, and focused on the **Phase 1 MVP...

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تعديل تطبيق أندرويد قائم

لدي تطبيق موبايل يعمل حاليًا على نظام أندرويد وأرغب في إدخال مجموعة من التعديلات عليه في أسرع وقت ممكن. أملك الشيفرة المصدرية كاملة، والتطبيق متاح على متجر ‎Goo...

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WhatsApp Escrow Payment Integration

I’m building a hold-and-release (escrow) payment flow that takes place entirely inside a WhatsApp chat while keeping every step mirrored on a companion website....

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General Ledger Reconciliation Module

Financial Reconciliation System - Development Project Project Overview We are seeking an experienced development team or individual developer to build a robust...

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Desenvolvimento de Automação e Integração ERP

Estamos buscando um profissional experiente para desenvolver soluções de automação de planilhas e integração de sistemas, com foco no ERP Bling. O objetivo prin...

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Push Notifications

I need notifications to from Wordpress dating site (messages, groups, likes, matches) to PUSH to a WEBVIEW app.

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python Trading appliaction expert

I need a solid Python script that connects to my Interactive Brokers account through the official API, automates live order execution, and performs the data ana...

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Real-Time HRMS and Biometric Sync

I need to synchronize employee attendance records and personal details between our HRMS and biometric databases from two companies in real-time. The preferred a...

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Dynamic Google Analytics Link Generator

https://url-creator.shinez.io/ like this select an article form a webiste and creates a link to promote on fb ads I need a small, dependable tool that produces...

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Website: service marketplace

Website: The platform will be a complete service marketplace where customers can post jobs, receive quotes from qualified person, chat with them, and confirm on...

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Integration Expert for SaS App Development

Overview This document outlines the technical architecture and API integration strategy for developing a mobile application that allows users to search, identif...

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StackFood Feature & App Integration Expert

StackFood Custom Feature Migration & App Merge Project Title: Critical StackFood Customisation Migration: MLM, Commission Logic, Disbursement, and Call Masking...

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Real-Time WhatsApp Forwarding

I am looking for a Windows-based solution that sits quietly in the background and mirrors everything posted in one WhatsApp group straight into another group th...