API Development projects — HireLancer archive

ID / Date Listing

Web SaaS Smart Receipt Platform

I’m building a web-based SaaS that replaces paper slips with interactive digital receipts sent to shoppers through WhatsApp and email. Retailers will connect th...

HL-40114337

Web App Development

I’m building a full-featured web application and need a developer who can confidently take it from architecture to deployment. I’m flexible on the tech stack—Re...

HL-40114361

Extract APIs from Android APK

I have the APK of an Android app from play store. That my accounting software must integrate with, yet the vendor offers no public API. I need a complete and ac...

HL-40114365

Polymarket BTC/ETH Arbitrage Bot

Summary Review this polymarket account https://polymarket.com/@SilverKestrel This bot should be silent. Developing a production-grade, silent Polymarket arbitra...

HL-40113836

Rapido type taxi booking app

Rapido taxi bike and card service

HL-40113672

Android Consultancy App Development -- 2

I’m building a mobile application that will connect consultants with clients, operating much like the Healthplix model but focused on wider consultancy services...

HL-40113708

Improve Siemens NX Add-In

We have already developed a SIMENS nx ADD-IN that integrates with LEO AI. We plan to add the following features: 1. Support for new features called partReplacem...

HL-40113710

Website & Android App Development

I’m ready to kick off a brand-new product and need an experienced developer who can deliver both the website and its Android counterpart. The goal is to craft a...

HL-40113536

AI-Powered Travel Planning Platform Development

Full-stack AI Developer for AI-Powered Travel Dashboard Posted yesterday Worldwide Specialized profiles can help you better highlight your expertise when submit...

HL-40113381

6amMart v3.5 Full-Stack Enhancements

I’m upgrading my 6amMart v3.5 installation and need a developer who can move comfortably across Flutter, Laravel, and React. , I’m looking for an experienced de...

HL-40113251

AI Song-Shopify Integration

I already have two fully working pieces: an AI-powered song generator (front- and backend) and a live Shopify store. Now I need them to operate as a single, fri...

HL-40113088

Logistics Order-Tracking ERP Development

I need a tailor-made TMS/ERP module that focuses exclusively on order tracking for our mid-sized logistics company. The core of the build is real-time visibilit...

HL-40112966

Real-Time Vehicle Tracking Solution

I’m ready to deploy a unified vehicle-tracking platform that feels effortless on every screen. The core requirement is live, second-by-second location data stre...

HL-40112982

Laravel Backend Enhancements Needed

My current application already runs on Laravel, but the backend now needs an experienced hand to move it forward. The workload is strictly backend development a...

HL-40112829

Unreal Engine + Pixel Streaming + Full Platform Integration

We need to deliver a multi-role platform based on Fly.io (state-machine driven + Stripe payments/escrow + ad bidding + 3D digital humans via pixel streaming).Us...

HL-40112797

Custom Indicator Fusion

I need a coder who can merge several technical-analysis indicators into one clean, easily adjustable tool for my charting platform. The core component will be a...

HL-40112588

FastAPI Expert - AI Chatbot - Prefer - Vietnamise Developer - Python

Hello, I want to update Fast API - increase performance - current response time 80 Second - want to decrease to 10 - 15 second with Max token size. Budget - 5,0...

HL-40112591

Raspberry Pi Performance Metrics Dashboard

Role Overview We already have our IoT platform live and functioning. We are looking for a freelance IoT developer who can support ongoing work such as troublesh...

HL-40112512

Automated Chat Reply Setup

Incoming messages on my WhatsApp and Telegram channels are getting hard to keep up with, so I want a reliable mechanism that answers for me. The core idea is si...

HL-40112540

Swift Finance App Integration

I already have every screen designed and I am building them in Swift; what’s missing is the engine that makes the experience come alive. I’m looking for someone...

HL-40112388

Google Ads Click Fraud Defense

我的 Google Ads 活动近期遭遇大量异常流量，需要一套可靠方案来识别并屏蔽以下两类恶意点击： • 自动化点击（机器人） • 竞争对手的恶意点击目前所有投放都在谷歌广告账...

HL-40112249

Enhancing Learning Management System

Project Enhancements Milestone 1 – URGENT Core LMS Enhancements (Web + Mobile) Reference Script: https://codecanyon.net/item/faculty-lms-learning-management-sys...

HL-40112125

Experienced Golang Developer for Blockchain Bootcamp

Golang Developer (Part-Time Teaching Role – 3 Hours, Global Web3 Bootcamp) About the Project: We are Borderless Coding, a global tech education company helping...

HL-40112136

Twilio Voice System Development

I'm looking for a developer to set up and customize Twilio services, focusing on voice call functionalities. Key requirements include: - Implementing call recor...

HL-40111908

Driver Dispatch & Booking Apps IOS AND ANDROID : Web Based or anything better -Slick and smooth

I’m commissioning a full-stack build of two separate yet connected mobile apps—one for drivers/operators and one for customers—with a hard deadline of three mon...

HL-40111666

ISP Hotspot & Billing System Development

Here is the clean version of your project requirements with all emojis and special characters removed. PROJECT: Cloud-Managed ISP Hotspot & Billing Platform (Mi...

HL-40111691

Custom Payroll Management Finance System

I need a finance-oriented business system built specifically to automate and streamline payroll management. The platform must let me enter employee data once, a...

HL-40111715

Configure Firebase Auth & Functions

I’m building a backend-only service and need a Firebase specialist to get two things running smoothly: • Authentication – limited to the classic Email/Password...

HL-40111718

Multilingual Thesaurus Web App Development

Help with Microsoft 2007. I need to download language packs and access the thesaurus for a project that involves creating derivative content that is legal becau...

HL-40111612

Loan Services Fintech App

I’m building a consumer-facing fintech application whose core mission is straightforward: deliver seamless Loan Services and in-app consultancy. The product mus...

HL-40111626

STM32 Firmware Development & Optimization

Project Description I am working on a high-speed data logging proof-of-concept using STM32H723VGT6 / STM32H743VIT6. The current firmware already achieves ~100 M...

HL-40111635

Shoonya Volume Trading Algorithm

I need my volume-based equities and options strategy turned into a fully automated algorithm that plugs straight into the Shoonya platform by Finvasia. The logi...

HL-40111501

Custom Permission-Focused Business App

This project covers the full design and development cycle of a professional business app centred on three pillars: robust permission processing, rich location s...

HL-40111513

Payroll & Tax Website Development

I’m building a secure, browser-based platform that lets both employees and employers run payroll and calculate salary-related taxes in one place. The site must...

HL-40111407

Binance Telegram Trading Bot

I need a Python-based Telegram bot that connects to my Binance account through API keys and executes trades whenever my own custom strategies signal an entry or...

HL-40111337

Application Web Envoi WhatsApp

Je souhaite disposer d’une application web simple qui me permette d’envoyer exactement le même message à un très grand nombre de contacts WhatsApp en une seule...

HL-40111382

Repair Khalti Subscription Payments

Fix Khalti Wallet Payment Integration for Membership Subscription (Next.js & MongoDB) Project Overview: We have a membership subscription form built using Next....

HL-40111237

Booking website creation -- 2

I need a booking-focused website for my airport transfer company that lets customers to book a car for their journeys e.g airport or train station , and complet...

HL-40111308

Responsive Real Estate Listings Platform

I have attched the doc file , before bid review & Bid I need a fully responsive web app responsive to showcasing property listings. The core experience revolves...

HL-40111109

Fast React Native Chat Module

***NO UPFRONT PAYMENT*** I need to drop a lightning-fast, WhatsApp-style chat component (ONLY 1:1 and Groups chats) into our existing app and keep the server bi...