API Development projects — HireLancer archive

ID / Date Listing

WMS Inward Module Development

I am extending our in-house Warehouse Management System so that the entire “inward” process runs without spreadsheets or manual data entry. Your task is to deli...

HL-39865431

Cost-Aware Scaling of Large Language Models

Project Proposal: Cost-Aware Scaling in Multi-User LLM Systems Problem Statement Large Language Models (LLMs) are increasingly used in chatbots, educational too...

HL-39865206

Otomasi Balas Chat WhatsApp

Saya ingin sebuah sistem ringan yang secara otomatis membalas chat WhatsApp agar setiap pesan pelanggan langsung diarahkan ke langkah transaksi tanpa menunggu s...

HL-39865230

Revamp Node/React Backend Server

I’m running a special webapp React front-end, a Node.js back-end and need a focused refresh on the server side. The core tasks revolve around tightening up the...

HL-39865255

AI based Career Platform -- 2

I'm looking for a Full-Stack Developer with extensive experience in AI integrations and API development. The goal is to create an innovative AI-powered Career P...

HL-39865097

Full-Stack Web Application Development

Project Title: Full-Stack Developer (Frontend + Backend + Infrastructure) for Scalable Web Application Project Description: We are looking for an experienced Fu...

HL-39865102

Develop Automated WhatsApp Service System

Build a Fully Automated WhatsApp Service System. I’m looking for an experienced WhatsApp automation developer (preferably familiar with Meta Cloud API, Make/Zap...

HL-39864772

Instagram Comment Auto-DM Tool

I need to replicate Zorcha : whenever someone leaves a comment on one of my Instagram posts, an automated direct message should go out to that user through the...

HL-39864420

n8n Character Workflow Build

I need a complete n8n workflow that lets me generate and keep re-using one visually consistent character through Veo 3. In practice, the flow should accept a sh...

HL-39864450

macOS Flash Crypto Generator

I’m looking for a developer who can deliver a standalone macOS application capable of creating and instantly sending flash balances of USDT, Bitcoin (BTC) and E...

HL-39864075

Python-React Full-Stack Feature Development

I have a small microservices deployment that we are looking to create for converting videos from one file format to another. Microservice A) will be a react fro...

HL-39864110

OpenWRT DTLS Ethernet Integration

OpenWRT DTLS Wrapper for CH343 Project description: I need a simple solution for integrating DTLS over Ethernet in OpenWRT, connected with a CH343 USB device. T...

HL-39864119

Global Outage & Monitoring Platform (Web)

I’m looking for an experienced full-stack web developer or development team to build a modern platform that combines the best of Downdetector.com and DownForEve...

HL-39863974

IPTV Reseller CMS Portal

I need a custom‐built web portal that lets my Admin, Reseller, and Subreseller accounts work from a single dashboard while connecting directly to Zapx/NXT first...

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Executive Project Plan – Passkey (WebAuthn) Implementation

This document describes the scope, deliverables, schedule, API contracts, and test strategy to implement Passkeys (FIDO2/WebAuthn) in a React frontend with a La...

HL-39863937

PioneerRx Real - Time Analytics Dashboard

I need a production-ready analytics portal that pulls live data from the PioneerRx API and instantly highlights three things: reimbursement issues by payer and...

HL-39863702

Angular stock market website need auto trading to be added using tradier apis on EOD data.

I already have an Angular-based stock-market site that connects to Tradier APIs for quotes and for placing trades manually. The next step is to automate those t...

HL-39863721

eBay listing tool

Also be able to take a compitors listongs and copy to my ebay account. I need a small tool that accepts a clean CSV file and turns every row into a live eBay li...

HL-39863753

Senior .NET Developer Needed

We’re Hiring: Senior C# .NET Developer Hey there! We’re looking for a Senior C# .NET Developer who’s passionate about building clean, scalable, and high-perform...

HL-39863762

Desenvolvimento Front-End em Flutter

Boa noite a todos, Espero que se encontrem bem! Estou a desenvolver um sistema de gestão de reparações de equipamentos eletrónicos, e procuro um freelancer para...

HL-39863773

Bidirectional Shopify API Integration

I need a solid connector that keeps my Shopify store and our custom backend completely in-sync in both directions. Inventory counts, new or updated products, in...

HL-39863618

Develop Shopify Custom Features

Looking for Shopify expert for few adhoc tasks. Only apply if you start work starightaway now.

HL-39863639

Power Automate Multi-Source Report

Preciso de um fluxo no Power Automate que reúna três origens distintas de informação e gere um relatório único com a composição desses dados. A primeira origem...

HL-39863660

Minecraft Java Plugin Development

Request for Quotation: Development of a Plugin Ecosystem for Competitive Minecraft Events To the Development Team, My name is Angelo Nuzzo, and I am writing to...

HL-39863469

WhatsApp Cloud API Multi-Number Integration

I would like a solid, production-ready integration of the WhatsApp Meta Cloud API that I can plug straight into my existing stack. The single integration must p...

HL-39863493

White-Label IPTV App & Backend

I need a complete white-label IPTV solution that I can brand as my own. On the front end, the app must run smoothly on both mobile devices (iOS and Android) and...

HL-39863517

Fix Email & Ad Bugs for Classified Ads Website, and IOS/Android App

My classified-ads site has several nagging issues, and I need a developer who can knock them out quickly, starting with the most urgent one. Top priority • Back...

HL-39863172

Multi-Method Payment Gateway API

I need to create Payment Gateway API that connects between Payment Gateway Link and the website

HL-39862981

Medical Booking Site Development

I’m building an online portal where patients can schedule medical appointments quickly and reliably. The entire site revolves around a robust booking engine wit...

HL-39862584

Add JWT Authorization to Spring Boot

My existing Spring Boot web application already exposes several REST endpoints; what’s missing is a proper JWT layer so each call can be authorised securely. I...

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Python FastAPI PySide6 Attendance System

I have mapped out a complete desktop-based HR Attendance System and now need an experienced Python developer to turn the plan into a working product. The core s...

HL-39862634

Angular SSR Typescript Site Enhancements

My Angular Universal site needs a focused round of improvements across both functionality and content. The codebase is entirely in TypeScript/JavaScript, uses A...

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Spring Boot Twitter Autoposter

I need a small Spring Boot application that connects to the Twitter API, authenticates with OAuth or OAuth2, and publishes a tweet automatically once each day o...

HL-39862423

Developer Needed to Set Up a Lead Marketplace System .Build a Bark-Style Lead Marketplace Website (Providers Pay Per Lead)

Job Description: I am looking for an experienced developer to set up a Lead Marketplace System. The task involves researching and identifying the most suitable...

HL-39862432