API Development projects — HireLancer archive

ID / Date Listing

Develop NutriAI - AI Enabled Health Platform

NutriAI - Revolutionary AI-Powered Nutrition & Fitness Platform Comprehensive Health Transformation at Your Fingertips NutriAI is a cutting-edge, full-stack web...

HL-40187299

React Healthcare PWA Build

I’m ready to move from concept to code on a healthcare-focused Progressive Web Application and I want it developed with modern React best practices from the gro...

HL-40187305

Full-Stack Developer (React/Supabase) for AI Ecommerce Platform (Shopify, Meta, & TikTok APIs)

Brandpad already has its core experiences—React + TypeScript front-end, Vite build, Supabase authentication and data layer—up, running, and stable. What I’m mis...

HL-40187354

Mid-Level .NET Core API Developer

I’m spinning up several new micro-services and need a mid-level .NET engineer (roughly 4–6 years in the seat) who can own day-to-day RESTful API development fro...

HL-40187134

Fire TV Streaming App Development

I’m building a dedicated Fire TV application that lets viewers watch live TV channels and browse an on-demand catalogue of movies and series. Access to the cont...

HL-40186971

Card to Crypto API no kyc

I’m looking for a practical way to let customers pay me with any major credit / debit card on my WordPress site while I receive the funds immediately in crypto,...

HL-40185468

Laravel Bug Fixes for Codecanyon - urgent jOB

I’m running a Laravel-based script purchased from Codecanyon and a few stubborn bugs are holding us back. The priority is straightforward: fix the issues so eve...

HL-40186691

AI Chart Analysis Web App

I’m kicking off a three-month build for an AI-driven chart-analysis platform and need a full-stack partner who can own the entire web application. The goal is s...

HL-40186696

React Node Full Stack App

I need an end-to-end web application built with React on the front-end and Node.js on the back-end. The UI designs are ready in Figma; the task is to translate...

HL-40186704

Bot WhatsApp Agencia de Viajes

Quiero poner en marcha un bot sobre la API oficial de WhatsApp Business que reciba automáticamente los contactos que llegan desde mis campañas de Meta Ads y los...

HL-40186180

100 $ QUOTATION INVOICE DELIVERY RECEIPT SOFTWARE

PROJECT SCOPE – PHASE 1 (WEBSITE VERSION) The goal of Phase 1 is a web-based configurator that allows: Secure Sales User login Create Customer & Project records...

HL-40185847

Complete School ERP Development

The objective is to build a robust, web-based ,Mobile Apps(IOS and Android) based School ERP with multilingual support that offers separate log-ins for students...

HL-40185684

Bulkmeddelande-app för Wire

Jag behöver en enkel mobilapp till min Google Pixel 8 som automatiskt går igenom hela min kontaktlista i Wire och skickar samma meddelande till var och en av de...

HL-40185725

Cross-Platform Social Payment App

I am building a single, global mobile application that will run natively on both iOS and Android. The concept blends core social-media functions with seamless,...

HL-40184765

ElevenLabs Australian Voice Agent Setup

I already have a draft call flow, the qualification metrics and an ElevenLabs account, but I need an expert to turn the pieces into a production-ready outbound...

HL-40185032

Scale NFT Platform with Node/Next

We are a Web3-focused product team building a modern, scalable NFT Marketplace on Polygon/Ethereum. Our goal is to transform an existing NFT marketplace into a...

HL-40184742

AI Document Workflow SaaS Development

Core Requirements (Pilot Scope) Platform & Architecture Multi-tenant SaaS architecture (each organisation has its own isolated workspace and data) Role-based ac...

HL-40184750

Development of Complete Construction ERP System (KSA – VAT & ZATCA Compliant) -- 2

We are looking for an experienced software development company or freelancer to design and develop a complete Construction ERP System for construction companies...

HL-40184334

Backend Developer Needed — Client Onboarding Portal Creation

Overview We need an experienced backend engineer to build the v1 backend for our SIMZ AI customer onboarding portal. This includes company login via UID + email...

HL-40183702

Car Security Mobile App Development

I’m ready to commission a full-featured mobile application (Android and iOS) that helps car owners protect their vehicles and discourages the black-market trade...

HL-40183743

App API & Dashboard Integration test app apk kotlin u

I already have three code-bases in place—a PHP admin dashboard, a Kotlin-based user app, and a separate Kotlin driver app. What’s missing is the glue that ties...

HL-40183791

Telegram Rideshare Matching Bot

I’m building a simple rideshare service that lives entirely inside Telegram, and I need a bot that can do the matching for me. The flow should feel natural and...

HL-40183646

Event Ticket Reservation Bot -- 2

i need a bot for reservations of tickets.

HL-40182513

Data-Driven Web API Build

I need a clean, well-documented backend API that focuses on reliable data retrieval and update operations for two core resources—user profiles and transaction r...

HL-40182558

Swiss Crowdinvesting Platform Development

I’m creating an online crowd-investing hub exclusively for the Swiss market that connects two user groups: individual investors and companies looking to raise c...

HL-40182120

My AdBooster Website Development

Job Title: Freelance Full Stack Developer Job Description: We are looking for a skilled Freelance Full Stack Developer to develop and enhance our website for My...

HL-40182095

Full-Stack App Developer -- 2

Full-stack developer supported by an experienced development team, and I can take full ownership of your Web and Mobile application—from initial architecture to...

HL-40181803

Innovative Used-Vehicle Trading Portal

We’re building a two‑sided marketplace in the used‑vehicle industry. One side is a dealer portal, where car dealerships can list and trade inventory with one an...

HL-40181638

Custom Crypto Payment Gateway

I need a fully self-hosted PHP solution that lets me accept and track crypto payments without relying on any third-party processor or API. The gateway must hand...

HL-40181652

REST API Integration Specialist

I need a developer who can plug my existing service flow into an external CRM through its REST API. Your job is to craft clean, well-structured requests, handle...

HL-40181258

React Rentals Management App

IMPORTANT! Include examples of your react applications/websites in your cover letter. I’m building a lightweight rentals platform and need a React-based single-...

HL-40181288

Stripe Integration For React Webapp

My React-based web application in https://finnancepro.com is ready for a proper payment layer and I want to wire it up to Stripe end-to-end. The job is to conne...

HL-40180789

ESP32-S3 SD WAV Streaming

I’m building a simple sample-player on a Waveshare ESP32-S3 board and need reliable, real-time WAV playback through a PCM5102A DAC. Your job is to wire up the b...

HL-40180805

Safety Management Platform Development

Please do your research on the following sites with cognitive forms and HSI safety platforms prior to bidding: I am looking for an experienced web developer/tea...

HL-40180652

Marketplace Marcas-Creadores

Quiero lanzar una plataforma web que conecte, de forma rápida y sin fricciones, a dos perfiles muy claros: creadores de contenido y marcas. En el home se mostra...

HL-40180526

Ethereum Payment Gateway with Fraud Detection

I’m putting together a consumer-to-business payment gateway that runs entirely on Ethereum. The goal is for any online shop or SaaS platform to accept on-chain...

HL-40180542

Laravel USDT Payment Gateway Integration

My SaaS platform is written entirely in Laravel and I now need to add the ability for customers to pay in USDT. The scope is focused solely on receiving payment...

HL-40180564

Senior Full-Stack Developer for B2B Construction Platform

Company We are building a production-ready B2B digital platform for large-scale construction and engineering projects, focused on document management, quality,...

HL-40180573

Web Changes Dashboard & Alerts

The purpose is to (1) create a dashboard that highlights the key changes between any 2 periods in a sales forecast request. A complete history will already exis...

HL-40180362

React Native Audiobook & Podcast App (Playback Only, Shopify Login, Offline Support)

I’m looking for an experienced React Native developer to build a playback-only audiobook & podcast mobile app for iOS and Android. Important upfront: This app d...