API Development projects — HireLancer archive

ID / Date Listing

Resolve Python Krackend Bug using team viewer

I have a production-level backend built in Python that uses Krackend. A blocking bug surfaced and I need it fixed on a strict, one-off, fixed-price basis. I wil...

HL-40230962

High-Traffic Commerce App Scaling

Our TikTok-style commerce platform is already live on both iOS and Android, powered by a Laravel backend and running on Alibaba Cloud. Daily we handle live shop...

HL-40230916

Voice Agent Square & Stripe Booking

I’m already using Synthflow.ai to talk with my clients; now I need those conversations to actually create, move, or cancel service appointments inside Square—an...

HL-40230830

Full-Stack Game Paywall Developer

The first slice of our game’s frontend is already in place, but the UI needs a visual and usability upgrade before we move forward. Beginning tomorrow, I’d like...

HL-40230852

Backend Engineer for Zeedeo Admin Panel Optimization

We’re hiring a backend engineer who can deliver quickly without compromising quality and help optimise the Zeedeo Admin Panel. Stack Experience with stack ( Nod...

HL-40230767

Ad Monetization Platform Prebid.js + Google Ad Manager + Google Ad Exchange Web & App Monetization

We are building an ad monetization platform similar to Freestar and AdPushup. The platform helps website and app publishers maximize their ad revenue. We are a...

HL-40230776

Headless Browser Automation Desktop App

I need a Windows-installable desktop application that embeds a headless instance of Puppeteer and drives it entirely in the background. Here is the core flow I...

HL-40230258

Shopify to MERN Auto Order Sync

I run shipduniya.in on a full MERN stack and I need every order placed in my Shopify store to appear in our MongoDB in near real-time, complete with customer de...

HL-40230263

Advanced Ad Monetization Platform Development

Project: Build a Publisher Monetization Network (Web + App) Overview We are building a next-generation publisher monetization company. Our mission is to become...

HL-40230160

Multi-Branch Eyewear Android App

I’m building a dedicated Android application for my eyewear chain and I need a developer who can take it from concept to a polished, Play-Store–ready release. T...

HL-40230165

Inventory & Billing Web App

I need a web-based application that lets my admins, employees, and customers move smoothly from checking stock to placing and paying for an order. At its core t...

HL-40230209

Advanced AI Employee Platform

I want to bring to life a full-scale SaaS platform that gives every business instant access to five virtual colleagues: an intelligent email assistant, a proact...

HL-40230055

Python Backend Engineer for Django Platform

Job Title: Python Backend / Platform Engineer (Django) Experience: 6-7 Years Duration: 2 Hours per Day Budget: ₹24,000 per Month Mode: Remote Role Overview We a...

HL-40230070

AI for Fashion eCommerce: Product Tagging & On-Model Imaging

Project Overview We are looking for an expert AI/Computer Vision developer (or small team) to build a scalable, production-ready AI pipeline for a fashion eComm...

HL-40230118

I need help in building my own mobile proxy set up

I need help in building my own mobile proxy set up: More details: Is this project for business or personal use? For an existing business What information should...

HL-40230047

CTO Co-Founder - for Fintech Infrastructure Startup

Description We are an early-stage fintech infrastructure startup building a developer-first payments product with global scope. The project is pre-launch, alrea...

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Brovi H155-381 Feature Unlock Tool

I need a small, purpose-built utility that will unlock a currently blocked feature on my Brovi H155-381 device. You are free to choose the language and framewor...

HL-40229930

Real-Time Webpage Change Monitor

I need a small utility that sits in the background, pings a single public web page every second, and alerts me the moment it detects any difference in either th...

HL-40229932

New Honey Talk. I need A 1V1 Calling dating app.

New I need A 1V1 Calling dating app. I purchase a Flutter App UI from codecanyon. The Work is Create Admin Panel UI Make It functional Create API Connect With A...

HL-40229465

Desarrollo Plataforma Preventiva HVAC

Busco a un desarrollador con experiencia en aplicaciones web y móviles para crear una plataforma de Control Preventivo dirigida al sector HVAC. Alcance clave •...

HL-40229417

QR-Code Food Ordering Web App

Build QR-Based Corporate Food Ordering MVP (2-Week Delivery) – Mollie/iDEAL – Netherlands Project Overview We are launching a pilot corporate breakfast & lunch...

HL-40229321

Adaptive Health Coaching Platform MVP

ADAPT MVP Developer Spec Overview ADAPT is a web + iOS adaptive health coaching platform. The MVP should include core functionality for both clients and coaches...

HL-40229357

VPS hosted middleware for reliable GoHighLevel and ServiceM8 integration

I am looking for an experienced developer to build and deploy a VPS hosted middleware service to run a reliable, production grade integration between GoHighLeve...

HL-40229361

Website E-Commerce Kustom Lengkap

Saya membutuhkan seorang pengembang yang dapat membangun website e-commerce modern dengan pendekatan custom build, bukan memakai Shopify ataupun WooCommerce. Fi...

HL-40229272

Golang Rego to Kyverno Translation

I need a translator for OPA Rego policies to Kyverno. The goal is to convert the policies to Kyverno while ensuring compliance with OPA gatekeeper standards. Re...

HL-40229223

Robust Email Verification Platform

I need a complete platform that can tell—quickly and with a high degree of accuracy—whether an email address is usable. The core of the build must cover: • Synt...

HL-40229240

Ranked Bedwars MMR & Matchmaking Plugin

I’m extending my Bedwars1058 server into a truly competitive arena and need a ranked system coded right away. The core requirements are already mapped out—place...

HL-40229114

Next-Gen EV Charger Management

I’m rolling out a new generation of eco-friendly EV charging stations and need a full-featured management platform built from scratch. Here’s what the first rel...

HL-40229130

Google Sheet Retail Data Automation

I need a single Google Sheet that lets me type a Home Depot or Lowe’s model number in one column and, without any extra clicks, instantly fills the rest of the...

HL-40229131

Cabal Online EP35+ development

I am developing a Cabal Online Private MMORPG (EP 35 +). The system works through .so library injection into the game server process, and includes: Advanced C++...

HL-40229017

USDT Flashing Software educational purpose

I am looking for a developer who can develop portable USDT Flashing Software in main network website , the requirements are mentioned below, 1) The software can...

HL-40229028

Ad-Tech Publisher Account & Dashboard Development -- 2

We are building a next-generation ad monetization platform for web publishers. Think of a lightweight combination of Google Ad Manager, Freestar, and modern hea...

HL-40229048

PHP eCommerce Module Development

Looking for a skilled PHP developer with experience building custom eCommerce modules for standard shopping cart platforms. Contact or place a bid for details....

HL-40228813

QR-Based Memorial Platform Rebuild

I am seeking a full custom SaaS rebuild of RememberMe, a QR based memorial platform that links engraved stainless steel plaques to digital memorial profiles con...

HL-40228825

Custom Nostr Fork Development

I’m forking primal.net and need a seasoned TypeScript engineer who is totally at ease working Git-first and can dive straight into a Nostr codebase. The immedia...

HL-40228767

Create User-Friendly Solution to Automate VTT Processing Python Scripts

We have developed two Python scripts to prepare VTT files (*.vtt) for translation and another to prepare them for delivery to the client. The first script combi...

HL-40228531

Matrimonial Mobile App Development

Matrimonial Community App – Smart, Secure & Fully Automated Flow User Journey: Users visit the official website → download Android/iOS app → OTP login → fill bi...

HL-40228603

Card-Linked POS Loyalty Platform

I’m building a lightweight MVP that lets independent cafés run a fully automatic, card-linked loyalty programme without issuing separate cards or apps. The core...

HL-40228471

Desarrollador/a Especializado en Respond.io

Desarrollador/a Especializado en Respond.io – Integraciones y Automatizaciones Descripción del Proyecto Estamos buscando un/a Desarrollador/a con experiencia en...

HL-40228495

Full-Stack Developer for MVP Implementation -- 3

I'm looking for an experienced full-stack developer to implement the MVP end-to-end. I'll need a video call, so no scams here. Overview Clients submit coding ta...