API Development projects — HireLancer archive

ID / Date Listing

Setup WhatsApp Business API

FREELANCER REQUIREMENT — ONE-TIME SETUP TASK HIRELAB Meta WhatsApp Business API — Setup & Credentials Handover Small, well-defined task. Set it up, test it, han...

HL-40390083

WhatsApp Logistics Support Chatbot

I need a production-ready WhatsApp chatbot that becomes the first line of customer support for our logistics company. Its main job is to answer routine question...

HL-40390019

Convert 6amMart to Microservices Architecture

Hi I will share the details with the shortlisted candidates. Thanks

HL-40389889

Custom Web Apps & Site Rollouts, Supabase, Netlify, GitHub

I’m looking for an agency-partner who can jump in immediately and co-manage our GitHub, Supabase and Netlify stack. The first milestone is to build several cust...

HL-40389700

Develop an Applicant Tracking System

Applicant Tracking System (ATS) – Workflow Process Step 1: Job Creation – BDE Team • The BDE Team creates the Job Description (JD) in the system. • Job details...

HL-40389595

Tech Lead for AI-Driven Modernization Pilot (12 weeks)

Looking for a hands-on Tech Lead to drive an AI-driven modernization pilot. You’ll work across architecture, legacy systems, and AI-assisted development to deli...

HL-40389444

Scalable Gardener Booking System Development

## Tech Development – Gardener Booking Platform (MVP) ### Project Overview We are building a service platform for customers to book gardeners for plant care ser...

HL-40389449

Instagram Downloader Website Build

I want to launch a fully-featured Instagram reel, post and story downloader that works much like fastdl.app but lives entirely on my own domain. Visitors will p...

HL-40389473

Any Back end problem genius here?

Looking for Senior Backend Engineer — Data Pipeline & Scalable Systems (Node.js + PostgreSQL)

HL-40389271

CRM Integrations API: QuickBooks PandaDoc Calendly

Important (Please Read Before Bidding): Do NOT bid if you only have front-end or basic development experience We need someone with strong PHP backend + API inte...

HL-40389385

QR Visitor Management App

I need a complete visitor management solution delivered as a mobile app for both iOS and Android. When someone arrives, they will scan a dynamically generated Q...

HL-40387523

Screen Recording and Task Management App (6 Week)

Mobile App Requirements Job Title Screen Recording and Task Management App (6 Week) Project Overview We are aiming for a cross platform mobile app (iOS and Andr...

HL-40389066

Comprehensive School Management Software

I need a full-featured school management platform that covers every operational corner of our K-12 institution. At the core, the system must include the followi...

HL-40388961

Sharekhan Trade Tiger API Developer

I need an experienced developer to integrate the Sharekhan Trade Tiger API. The primary function is accessing 20 years of historical data. Additionally, I need...

HL-40388863

Arquitecto Backend / Senior Java Spring Boot Developer

Buscamos un Arquitecto Backend / Senior Java Developer con más de 10 años de experiencia comprobable para diseñar, estructurar y desarrollar desde cero los proy...

HL-40388721

Telegram Meme Token Trading Bot

Ho bisogno di un bot Telegram capace di operare sia su Solana che su Ethereum, dedicato in particolare ai meme token. Il bot deve poter: • eseguire acquisti, ve...

HL-40388576

Custom Imbalance Block Data Feeds Creation

Subject: Custom Imbalance Block Data Feeds for Renko/Block Charts Goal: $30 Fixed Price Create two separate, non-time-based data feeds from Line Break + QuantTo...

HL-40388591

Build API Integration Platform

We are scaling our debt recovery platform from a manual file-upload process into an API-first integration platform that allows banks, microfinance institutions,...

HL-40388476

Merchant Crypto Wallet MVP

I’m kicking off an eight-week sprint to release a beta-ready crypto wallet tailored for merchants. The wallet will launch on Polygon first and later expand to o...

HL-40388502

Merchant Crypto Wallet MVP - 21/04/2026 15:35 EDT

I’m kicking off an eight-week sprint to release a beta-ready crypto wallet tailored for merchants. The wallet will launch on Polygon first and later expand to o...

HL-40388387

Fusion 360 Batch Rendering Plugin

Scope of Work (SOW) — Fusion 360 Rendering Automation Plugin (APS-Based) 1. Project Overview The objective of this project is to develop a production-ready Fusi...

HL-40388470

WhatsApp Business API Integration for Company

I want to connect our existing company cellphone number to the official WhatsApp Business API through the Meta for Developers platform. The goal is to run every...

HL-40388292

Rapid Amazon Shift Automation -- 2

I need a reliable bot that interacts with Amazon’s job web portal and grabs open shifts the instant they appear. The automation must cover four key actions: ass...

HL-40388298

Scalable Local Marketplace Mobile App

I’m ready to bring a sleek, community-driven marketplace to life—think the discovery experience of Deliveroo or Uber Eats, but tailored for any trusted local se...

HL-40388215

BrainWave AI Learning Hub

Description I am offering a complete AI-powered web application (frontend + backend) ready for deployment and customization. Features Included User authenticati...

HL-40388090

Automated T-Shirt Website Integration

I already have a working Node.js script that produces personalised couple-T-shirt mock-ups: the customer enters a name, chooses gender, uploads an image and the...

HL-40388091

Приложение автосервиса iOS/Android

Мне нужен разработчик, который спроектирует и создаст удобное мобильное приложение для наших клиентов сразу на iOS и Android. Базовые сценарии уже определены: к...

HL-40387961

Revenue-Boosting Software Development

I need a custom software solution with a single, clear objective: drive measurable growth in sales. The current sales pipeline shows untapped potential that I b...

HL-40387829

B2B Marketplace Platform Development -- 2

FINAL B2B PLATFORM MASTER DOCUMENT (UPDATED) OVERALL SYSTEM DESIGN Single Platform → 3 Panels 1. Buyer Panel (Customer Side) 2. Admin Panel (Owner Control) 3. V...

HL-40387847

Build a Trader Dashboard for a Funded Trading Platform + Zendesk + AI Support Assistant

We are building a funded trading / simulated trading evaluation platform and need an experienced product-minded developer or small team to design and build a pr...

HL-40387809

Rent-a-Boyfriend Web & App

I’m building an online “rental boyfriend” platform and need both a full-featured website and companion mobile apps (iOS and Android). The core of the product is...

HL-40387132

Dual-Platform Money-Making App

I’m building a complete money-earning platform that works both as a responsive website and as a native-feeling mobile app. The core experience is simple: users...

HL-40387466

Real-Time Android Bus Tracker App

I need a production-ready Android application that lets passengers, bus drivers, and administrators see exactly where every bus is in real time. The core of the...

HL-40387477

Backend Coding Interview Service

I am setting up a steady pipeline of hiring rounds and need a seasoned backend specialist to act as my external interviewer. The role is purely technical-assess...

HL-40387320

AWS Deployment & Application Optimization

Hi I will share the details with the shortlisted candidates. Thanks

HL-40387339

6amMart Conversion to Microservices Architecture

*Project Description:* We have purchased the full source code of 6amMart, and the goal of this project is to convert this system into a Microservices architectu...

HL-40387370

WhatsApp API Order Update Integration

I’m ready to move our order-processing communications onto the WhatsApp Business API so customers automatically receive the information they care about most. Th...

HL-40387148

C#/.NET Developer for Hardware Integration

We are looking for an experienced C#/.NET developer with proven experience in hardware or industrial system integration. Project Overview: Build a system consis...

HL-40387178

Revamp Live File-Transfer Apps

I have a set of file-transfer web applications that were built with Claude and are already running in production, yet several core features are malfunctioning a...

HL-40387221

Pharmacy & Clinic Management System Creation

Project Overview: Pharmacy & Clinic Management System Core Modules Pharmacy & Inventory: Comprehensive tracking of medicine stocks, batch numbers, and expiry da...