API Development projects — HireLancer archive

ID / Date Listing

OSCommerce Expert Needed -- 3

We are small software industry in India and we looking long time business relation, if u good in os commerce we can start with this project and if all goes well...

HL-39836533

Cross-Platform Solution: Apps & Backend Development -- 2

Project Title: Web App + Admin Panel + Backend Development (React, Node.js,MongoDB) Description: I am looking for an experienced team (or individual full-stack...

HL-39836539

WhatsApp API Chatbot Integration

I need an end-to-end WhatsApp Business API setup that centres on policy servicing while also automating routine customer-support interactions. Once the API is l...

HL-39835952

Android App Enhancement Project

I already have an Android mobile app in production, and the objective is to improve the existing project rather than start over. The current build shows a few r...

HL-39836450

SmartAPI Trading Web App Development

I’m building a full-stack trading platform that taps into Angel One’s SmartAPI for real-time market feeds. The vision is a responsive React front-end paired wit...

HL-39836479

RelationshipSOS: Online Psychological Support Platform - 30/09/2025 06:19 EDT

Project: RelationshipSOS — “Emergency Psychological Support for Relationships” Goal: Sell subscriptions and provide 24/7 support via chat with psychologists, wi...

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Full-Stack Food Delivery App Build

I need a complete, production-ready food ordering and delivery solution that covers Android, iOS, and a matching responsive website. The user-facing app must be...

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C++ Hybrid Stock Trading System

I actively trade equities and now want to consolidate my workflow into a single C++-based platform that supports both hands-on decision making and rule-driven a...

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Digital Asset Marketplace Platform Build

Project Overview: We are looking to develop a digital asset marketplace platform where users can list and browse digital assets for sale. The platform will serv...

HL-39836152

Figma designer for Multi-Functional Spa Booking App

### Client-Side Features - **User Registration & Profiles:** Create and manage personal accounts with service history and preferences. - **Service Catalog:** Br...

HL-39835987

Web App & Admin Panel Build

The Admin Panel is a web-based backend control system designed to manage the users, content, payments, and overall functionality of a mobile or web application....

HL-39835996

Pengembangan Aplikasi Lengkap

Saya mencari mitra freelance di bidang Teknologi Informasi untuk menangani pekerjaan Pengembangan Aplikasi dari awal hingga siap digunakan. Saya terbuka terhada...

HL-39835761

Clinical Trial Management APIs & RBAC

I’m expanding my in-house clinical-trial project management platform and need a Django expert to harden and extend the backend. The current codebase already exp...

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API enhancement - Work with ftp only

Able to follow and fix one by one. Work with ftp only. Immediately start

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Freelance Marketplace Payment Gateway Integration

My custom-built freelance marketplace is almost ready for launch, and the last critical piece is a rock–solid payment system. I need PayPal, Stripe, and Razorpa...

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nopCommerce Shipway Shipping Plugin

We need nopcommerce developer who can build plugin for shipway(Unicommerce) shipping. Please go link given below for shipway documentation: https://apidocs.ship...

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CDR Version Conversion API (1 API)

I’m ready to roll out a lightweight, file-centric API that takes a CorelDRAW (.cdr) file in whatever revision a user has on hand and returns the same file saved...

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Laravel Full-Stack Development

I need a seasoned Laravel full-stack developer to take charge of a new recruit related website to build.

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Cross-Platform Productivity App

I need a straightforward productivity app that runs natively on both iOS and Android. Its single-minded focus is Inventory: a clean interface for adding, viewin...

HL-39835332

Billing & Inventory Management Software with POS & SaaS Model

Billing & Inventory Management Software with POS & SaaS Model develop karna hai, jise market me Vyapar, MyBillBook, Marg ERP, Zoho Books jaise apps ke saath com...

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Development and Deployment of Backend for WhatsApp Web QR Integration with CRM (Node.js on Contabo VPS)

We are looking for an experienced Full-Stack or Backend developer to build and deploy a dedicated backend service (“WhatsApp Bridge”) that allows the integratio...

HL-39835427

Android Banking App Development

I need an Android-only banking app built from scratch. For this first release the scope is intentionally tight: users must be able to sign in, authenticate with...

HL-39835131

iSAMS Comprehensive Training and Configuration

I’m looking expert training iSAMS across our school and need an expert to training the project from blank slate to fully-operational system. The core platform m...

HL-39834993

Dressage Analytics Web Platform

I’m building an MVP web application that ingests raw dressage-competition results, cleans and normalises them, then turns the data into meaningful insights for...

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Upgrade Existing Electron App

I need an experienced Electron app developer to upgrade my existing desktop application to the latest version of Electron. Key Requirements: - Upgrade an older...

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Python TWS Automated Order Placement Script

I am looking for a specialist who can help me with the following: Setting up IB Gateway to run on a remote server (VPS). Setting up TWS API (ib_insync) for auto...

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WooCommerce API Integration Suite

I run a WordPress store powered by WooCommerce that sells domain names, hosting packages and broadband subscriptions. The next step is to hook the site into two...

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Facility Consulting Site With AI Chat

Scope of Work (SOW) – Ferris Group WordPress Website Overview Build a modern, standards-aligned WordPress website for Ferris Group (Facilities Consulting • Est....

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Comprehensive Drone Business Management System -- 2

SkyTech Franchise Management System - Developer Request for Proposal Project Overview SkyTech is seeking experienced web developers with **proven franchise syst...

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WordPress Website & CRM Integration -- 2

EXAMPLE PROJECT - PLEASE IGNORE Project Description: We are looking for an experienced WordPress developer to build a professional website and integrate it seam...

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Shopify Auto QR Code Integration

I sell digital products through Shopify and want every completed checkout to trigger an automatic QR code that holds the customer’s name, email address, and ord...

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Odoo ERP/POS Multitienda Contingencia

Buscamos un desarrollador/implementador experto en Odoo (Enterprise) para configurar un sistema de contingencia que será utilizado en caso de caída del sistema...

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Cross-Platform Media Gallery App -- 2

I already have the full UI/UX finished and ready to hand over; what I now need is the complete development of a media-only mobile app that launches on both the...

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TaxCore Fiscalization for Integrated POS

I run a desktop-based, inventory-linked POS and need it fully fiscalized through TaxCore. The current system already handles sales and stock, but receipts are n...

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Specter ERP–BigCommerce Integration

Scope of work - Integrate Specter with BigCommerce using specified API endpoints for inventory and product synchronization. - Ensure Specter controls all invent...

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Python Backend & UI Upgrade

I need an experienced Python developer to extend an existing application. My immediate priority is the UI: new, user-facing features have to be woven into the c...

HL-39834666

All-in-One WP Migration Multisite Extension

Our quote form at https://epictranslations.com/quote is supposed to write directly into the project-management portal’s database, but the feed has stopped and d...

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OpenAI Data Analysis Specialist

I need to push the OpenAI API far beyond simple prompt-response calls and understand exactly how to harness it for solid, repeatable data analysis. The goal is...

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Golang Modbus-Redis Bridge

I need a small Go service that continually polls a Modbus-enabled device, collects its sensor readings, system status, and any control-command registers I speci...

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Parental Control App Development

I need an MVP that mirrors the essential experience of tools such as mSpy or Moniterro, starting with Android only and growing from there. Scope – first release...