API Development projects — HireLancer archive

ID / Date Listing

Laravel Platform Module Upgrades and Mobile App Publishing

We already have multiple platforms prebuilt using CodeCanyon scripts. All major functionality is in place. We require a Laravel + Mobile developer/team (React N...

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Implement Facebook CAPI via WhatsApp Bot

I'm seeking an expert to help implement Facebook's Conversion API (CAPI) through my WhatsApp bot using HTTP API or webhooks. The primary objective is to track s...

HL-39726398

Java Bank Management System -- 2

I have mapped out a console-based Bank Management System and now need the full implementation in Java with JDBC talking to a MySQL back-end. The goal is to let...

HL-39726405

Repair File Upload Flow

When a logged-in user selects a document (PDF, Word, etc.) and clicks “Upload”, two things are supposed to happen: an email with that document attached is sent...

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AI Image Generation Microservice Development

I need a developer to build a separate AI image generation microservice (Stable Diffusion + ControlNet or similar). Users will upload idea images or select opti...

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Web-Based Automation for Insurance Quotes

I need a standalone web application to automate insurance quote requests through a single agency account, accessible via our website. The system should support...

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CRM Development in Odoo + WhatsApp ChatBot + automations (Only for Spanish speaking people)

Desarrollo de CRM en Odoo + ChatBot WhatsApp (Evolution API) + Automatizaciones Busco un desarrollador (o pequeño equipo) con experiencia demostrable en Odoo y...

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Sports Prediction Website with a Bot

Project Overview We are building a sports prediction website where users make football (soccer) predictions and write analyses. To enrich the community, we want...

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AI Render - low-quality CAD renders into photorealistic Web App

I’m building a SaaS platform that converts low-quality CAD renders into photorealistic imagery through a custom AI model. The paired dataset (noisy vs. high-end...

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C# .NET Desktop Application

I need a skilled C# .NET developer to create a desktop application. The application should be robust and efficient, integrating seamlessly with MySQL for databa...

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CodeIgniter Grocery CRUD & image CRUD expert needed not simple CRUD

I need an expert in Grocery CRUD with CodeIgniter to implement specific functionalities and custom modifications. apply only if you already know how to work in...

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Airbnb-like Mobile App for Egypt

Title: Build Airbnb-style Cross-Platform Mobile App (Flutter / React Native) Description: I want to build an Airbnb-style marketplace app for the Egyptian marke...

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AI Integration and Security Upgrade for Website

I'm looking to enhance my website by integrating AI bots and improving security measures. The goal is to create a more efficient and secure user experience. AI...

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Universal Document Converter App - 23/08/2025 08:38 EDT

I need a small yet reliable application that can take an incoming .doc or .docx file and turn it into .mobi or .odt, while also giving me the option to move in...

HL-39726004

AI Inventory SaaS Development

I’m building a cloud-based platform that helps factories and retail stores see what will sell next, trim excess stock, and automatically trigger purchase orders...

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Node.js/.NET Banking Platform

I have laid out the core of an online banking platform and now need an experienced developer who can pick it up in either Node.js or .NET, build it out cleanly,...

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Crypto Investment App Development

Design a futuristic mobile app UI for a crypto mining and investment platform using purple and pink gradients with a dark background. The design must feel moder...

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Node.js Developer need for Web App Bid only in India,

Bid only in India, I’m looking for an experienced Node.js developer to help me push several ongoing, multi-country web projects forward. The core task right now...

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Full-Time Node.js Web Developer only india

My production web application is built around a Node.js back end and needs steady, full-time attention. The work is continuous: writing new business logic, refa...

HL-39725905

Comprehensive E-commerce Site Development and Deployment

Project Title: Full-Stack Developer to Integrate Database and Deploy React E-commerce Site Project Description: Hello! I have a fully built front-end for an e-c...

HL-39725559

Food Delivery App and Website Development

Description: I need a Food Delivery App/Website similar to Zomato or Swiggy, with the following features: 1. User App/Panel: User registration/login (Mobile OTP...

HL-39725563

Indonesian React-Node Full-Stack Cofounder | Only Indonesians living in Jakarta.

Indonesian React-Node Full-Stack Cofounder | Only Indonesians living in Jakarta. My product is already in the development phase and I’m now looking for a fellow...

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Web App with User Authentication

I'm seeking an experienced developer to create a web application with user authentication functionality. Key Requirements: - Implement secure user authenticatio...

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Fix PHP Image Uploads

The image-upload endpoint in my custom-built PHP backend is failing when mobile apps attempt to push photos. Everything else in the API works; only this upload...

HL-39725635

Android House Inspection Report App

I carry out building and house inspections and already have a polished Word report template that I use back at the office. I now want that workflow moved onto m...

HL-39725654

REST API Data Integration

I need to wire my application to a third-party REST API so I can pull data on demand and use it inside my existing system. The integration is purely for data re...

HL-39725668

Offline Android Inspection Report App

I need an Android app for onsite building inspection reports. Key Features: - Enter property owner details once - Capture defect photos and descriptions - Embed...

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Remote PTZ Monitoring & Control Software

I’m rolling out a multi-camera PTZ security network and need a complete software-plus-setup solution that lets me see every feed in real time, move each camera...

HL-39725331

Custom E-commerce Website Development

I need a skilled e-commerce website developer with full customization control. The website will cater to general consumers and will primarily sell physical good...

HL-39725116

LangGraph AI Trip Planner

I’m building an end-to-end trip-planning application that relies on LangGraph for agentic reasoning, FastAPI for the service layer, and Streamlit for the client...

HL-39725146

FIFO Scheduler for Jetson Cluster

I’m building a small cluster of Jetson Nano boards, each with its own GPU and a plug-in TPU, while a Raspberry Pi acts as the control plane. What I need is a li...

HL-39724924

Azure SMS System Development

I need an SMS system built that integrates with Microsoft Azure and a web application. The system should support two-way SMS (sending and receiving) and allow f...

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Python or Node dev for PDF to JSON Conversion Tool

I need a tool to convert a 1-page PDF with filled form fields into a JSON file. The format should be: formfieldname:filled_data. Requirements: - Use pdfplumber,...

HL-39724942

Table Tennis Academy Integration

I need a tech-savvy individual to upgrade my table tennis academy. This project combines hardware and software development. Key Features: - Store player scores...

HL-39724974

Shopify TecDoc Integration

I'm looking for an experienced developer to integrate TecDoc into my Shopify website. This should include a part finder tool that allows users to search by make...

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Full-Stack Developer for Adult Friendly Self-Publishing Platform -- 2

Full-Stack Developer(s) Needed — Build Kahani.io: A Subscription-Based Self-Publishing Platform for Writers & Readers (Adult Content) Project Overview Kahani.io...

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Next.js Rebuild for Dotlynx.ca

Dotlynx.ca is currently running on WordPress, but I’m ready to relaunch it with a custom stack: Next JS on the front-end and a Node JS/Express API on the back-e...

HL-39724490

Conversational AI's Persistent Memory Layer

Build Persistent Memory Layer for Conversational AI (Python + DB + APIs) We’re building a persistent memory system for a conversational AI project. The goal is...

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Bitcoin Lightning Mining Webapp

I need a fully-functional web application, built entirely inside my JotForm Workspace (https://www.jotform.com/workspace/), that lets visitors mine Bitcoin over...

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WooCommerce Plugin for On-Site Stripe Payment Routing with Multi-Account Load Balancing -- 2

We operate a WooCommerce-based website and are looking for an experienced developer to create a custom plugin that enhances our Stripe payment workflow. Core Fe...