API Development projects — HireLancer archive

ID / Date Listing

Chrome Extension Developer Needed -- 2

Hi, I'm reaching out to discuss an exciting project for developing a Chrome Extension to streamline Facebook Ads management. I found your profile on Fiverr and...

HL-39829723

Gui and Backend integration synch PyQt6 Trading Bot Integration

I’m handing you a complete Python 3 back-end for a trading bot and a fully laid-out PyQt6 interface. Alongside the code you will receive an ASCII architecture d...

HL-39829722

On-Demand Services Marketplace App

I’m building a mobile marketplace where everyday services—think restaurants, braiding salons, caregivers, drivers, facilitators, lodging hosts and more—can publ...

HL-39829580

Cloudflare Worker URL Shortener Deployment

I have a single-page URL shortener tool that I want to run entirely on Cloudflare. The plan is simple: • Front-end: Deploy the SPA to Cloudflare Pages so every...

HL-39829499

AI-Driven Google Ads Auditor

Google Ads Audit Platform (Tech Spec) Goal: Build a web app that audits Google Ads accounts and generates optimization recommendations. Core Features: Google OA...

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Cross-Platform BLE Toy App

I’m building an interactive toy that talks to a phone over Bluetooth Low Energy and I need the full mobile app for both iOS and Android. Core requirements are:...

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Property Management Software Integration

I have my own property management software and I want to implement it with intercoms and access systems similar to: https://1valet.com/. Prioritized roadmap (MV...

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Quick .NET REST Integration

I have an existing C#/.NET code-base that needs a clean, well-structured REST API integration. The goal is to fetch and post data reliably, wire it up to my cur...

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RelationshipSOS: Online Psychological Support Platform

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

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Solana Arbitrage Scanner & API -- 3

I want a production-ready scanner that lives entirely on Solana and continuously watches Raydium and Jupiter for multi-hop price gaps. It must spot the spread,...

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WA CRM-LATAM

I need a simple yet robust CRM focused entirely on customer management for my Latin-American market. The core of the build will be an interaction timeline that...

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Ola-Style Cab Booking App

I want to build a full-featured cab booking application, bringing the familiar Ola/Uber experience to both iOS and Android users. Core functionality must feel s...

HL-39829177

E-Commerce Backend Development

I am a mobile app developer working on e-commerce app and i need backend developer to create: - NoSql Database for the products with CRUD operations and API int...

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Senior Node.js Developer for Finance Web App

We are building a financial web application designed for portfolio tracking. The platform will allow users to: Track investments across multiple asset classes (...

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Scrape Small Social Website For Test

I am looking for an experienced software engineer to build a web automation tool (sometimes called a crawler or spider) that can: Log in to a small social websi...

HL-39828939

Go-Based Bot for Custom Telegram Dice Rolls

I have a working proof-of-concept that shows how a Telegram chat can delete a dice message immediately and re-roll it with any face value I specify. Now I want...

HL-39828945

Local Construction Supply Connector

I want to launch a straightforward online platform that lets anyone building or renovating a home quickly find and compare every type of local supplier they mig...

HL-39828956

solana dev

Looking for a Solana Developer (PHP Multi-Batching Script) I have a working PHP standalone script that already performs multi-batching for simulated Solana tran...

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Carpet Store Billing Web App

I am looking for a carpet shop web-based billing application that fits the way it sells by the metre, roll, or custom cut. The core focus is fast invoice creati...

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Cricket & Soccer Betting Platform

I want a full-featured gambling site dedicated to cricket and soccer that works seamlessly on desktop, mobile, and tablet. The project covers three money-making...

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AI-Powered B2B SaaS Build

I’m kicking off the ground-up build of a B2B SaaS platform aimed at service-provider companies and need a seasoned web developer to own the full-stack implement...

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Next-Gen Whitelabel Travel Platform

I am building a state-of-the-art, whitelabel B2C travel centre that will serve online travel agencies worldwide and must be ready for a 2025 roll-out. The core...

HL-39828596

Interactive Social Media API Setup

Project Description: Automated Interactive Product Catalog API Integration Project Title: API Developer Required: Build Automated WhatsApp/SMS Product Catalog N...

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Stripe Shipping Rate Integration

I need my existing Stripe checkout to pull live shipping quotes so customers see the exact cost before they pay. All of my products are small items—think jewel...

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Web App Backend & Mobile

I already have a demo-ready web app built with an AI-assisted platform, but it needs real production muscle. The first priority is database management on Supaba...

HL-39828429

Credit Card Generator Demo System with credit card reader

I’m putting together a small demo that can churn out realistic-looking, fully Luhn-compliant credit-card details so I can stress-test our payment stack from end...

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Smart Invoicing App Development (Flutter/Node.js)

Title: Build a Smart Invoicing & Billing Mobile App (Flutter + Node.js/Express) Description: I am looking for a developer to build a simple invoicing and billin...

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Multi-Store Next.js E-Commerce

I’m building a retail-focused eCommerce ecosystem from the ground up with Next.js. The project will run several storefronts that all draw stock levels from one...

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Car Service Marketplace Platform

I need a full-stack build for a web-based marketplace that connects drivers with car-service providers. The platform has to give visitors two clear paths: they...

HL-39828228

Comprehensive HRMS Solution Build

I am rolling out a single, seamless HRMS that puts Talent Management at the heart of every screen. The platform must blend assessment-driven insights with real-...

HL-39828232

Backend API & CMS Development

I need a robust backend API that powers a multi-format news platform and an accompanying admin panel. The API must cleanly serve two primary content streams—sta...

HL-39827927

Matrimonial Website Development

I'm seeking an experienced developer to create an industry-standard matrimonial website. The site should support verified user profiles with identification chec...

HL-39827956

we 'r a startup. we are going to start transportation business now. if you have any experience in this part, I'd love to hear you with your previous works. We are going to make web version and apps together.

we are a startup company. we started car rental business. if you have any experience in this part, I'd love to hear you with your previous works. We are going t...

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