Backend Development projects — HireLancer archive

ID / Date Listing

PHP Job Portal Script

I’m ready to get a job board online fast, so I need a fully-developed PHP & MySQL script that I can drop onto my server, run the installer, and start accepting...

HL-40382843

Resume App Bug Fixes

I need an experienced next js and backend developer to iron out a handful of issues inside my résumé builder solutoon The most urgent blocker is registration: t...

HL-40382740

WeChat Official Account Setup + Web Interface + Odoo CRM Integration

We are looking for an experienced developer or team to help us set up and integrate a WeChat Official Account (Corporate/Service Account) and connect it with ou...

HL-40376017

Bangun Platform Pasar Global

Saya ingin membangun sebuah platform pasar yang mampu bersaing di kancah internasional. Platform ini harus hadir sebagai website responsif sekaligus aplikasi mo...

HL-40382264

Tender SaaS Platform Build

Tender is the SaaS platform I’m bringing to market to simplify government-tender discovery and bid consultancy across India. The public-facing site must be a mo...

HL-40382095

Tamil Nadu Driver Travel App

I need an end-to-end Android application, plus a web-based admin panel, that serves two clear purposes for users in Tamil Nadu. First, it must act as a mini job...

HL-40381996

Web-Based Data Subscription Platform

I’m putting together a new web application and want one experienced pair of hands to own it end-to-end. The stack is set: React with Next.js on the frontend, Py...

HL-40381903

Nightly Express & React Tutoring

I’m scheduling one-hour, real-time coding sessions every night from 10 pm to 11 pm EST so I can build small, end-to-end features while you guide me step-by-step...

HL-40381804

Enhance Existing Fundraiser App -- 2

Enhance Existing Fundraiser App The Fundraiser App (Mobile responsive and Android/iOS) helps schools, alumni, and groups worldwide raise money quickly and easil...

HL-40381339

Enterprise AI Multi-Agent Infrastructure & Tiered Graph Architect

I am looking for a high-level Technical Lead to design and implement a complex AI infrastructure. This is for an enterprise-grade system that needs to be scalab...

HL-40381397

Mobile Game Platform Development (Uno, Ludo & Puzzle)

**Project Title:** Mobile Game Platform (Uno, Ludo + Mini Puzzle Game) --- **Project Overview:** We are building a scalable mobile game platform that combines c...

HL-40381122

Mobile Game Platform (Tarneeb, Estimation, Uno, Ludo)

**Project Overview:** We are building a scalable mobile game platform that combines multiple casual games with a unified global ranking system. The goal is to c...

HL-40381111

Donation Web App Development

I need a web-based donation platform aimed at individual donors. At its core the app must let visitors register, create a personal profile, make a contribution...

HL-40381162

Custom Clock Wheel for AzuraCast

I am extending my AzuraCast installation and need a developer who already speaks the language of radio clocks. Your task is to create a fully-functional “clock...

HL-40381065

Mechanical Parts Database Website

I need a complete website designed and built for my manufacturing business that produces and supplies roughly 100,000 distinct mechanical components. The core o...

HL-40381008

Flutter Live Chat & Stream

The goal is to launch a real-time audio and video chat application, similar in feel to SUGO or Chamet, built with Flutter so the same codebase reaches both iOS...

HL-40380863

Muslim matrimony app development

The project is to create a full-featured Muslim matrimony mobile application that runs smoothly on both iOS and Android. The core objective is a clean, intuitiv...

HL-40380750

Freelance Tally Developer Needed for Integration Project (Short-Term)

We’re working on an accounting platform and are currently looking for a freelance Tally developer/consultant to help us with integration work. We’ve reached a s...

HL-40380720

Cross-Platform Social Networking App

I need a skilled developer to create a social networking application for both iOS and Android platforms. The application should facilitate user interaction and...

HL-40380513

QR-Karten-App für Taubeneiertausch - 18/04/2026 03:50 EDT

Ich möchte eine mobile App entwickeln lassen, mit der Stadttaubenvereine ihre betreuten und neue bekannte Brutplätze unkompliziert registrieren können .Herzstüc...

HL-40380375

抖音电商选品软件开发

我想要一套专注后台管理的电商程序，首要目标是让运营人员能够轻松完成用户管理工作。核心需求如下： • 用户管理：实现用户资料的增删改查、分组与权限控制，支持批量导入...

HL-40380162

Expert Laravel Production Engineer — Live Adult Platform — Critical Fixes, Escrow Logic, Performance Optimization, Scaling & Final Delivery

Live System https://erosstream.com.br/ Current Stage The platform is already built and running in production, with: Laravel backend (MySQL + Redis) Payment inte...

HL-40379813

Development of AI-Powered Football Analytics System

# AI-Based Football Pitch Video Analytics System – Freelancer Project Brief ## Project Overview We are looking for a freelancer or team to develop an AI-powered...

HL-40379699

WhatsApp Cloud API CRM Integration

I need an experienced developer to wire Meta’s official WhatsApp Cloud API into our existing CRM so that chats, documents and status updates flow both ways with...

HL-40379711

.NET Developer for Live Streaming Platform

Senior .NET (C#) Developer with WEBRTC and HLS Live Streaming Experience (Freelance) We are building a live streaming and creator engagement platform. The platf...

HL-40379742

Supabase + Stripe Backend Setup

Description: I’m building a mobile-first web app (“5”) and need a developer to quickly set up the backend infrastructure and connect a few services. This is a s...

HL-40379491

Diagnosed a subtle RAG retrieval regression — fast, thorough, and precise

We brought in this developer to debug a production RAG pipeline that had quietly degraded after a dependency bump. The pipeline — built on LangChain, FastAPI, a...

HL-40379338

Prototyp urządzenia safety IoT dla pracowników na wysokości

Cześć, szukam osoby do stworzenia prostego prototypu urządzenia safety (IoT) dla pracowników pracujących na wysokości (np. turbiny wiatrowe). Chodzi o szybkie M...

HL-40379071

Real Estate Investment MVP Development (Bunyan)

Project Title: Build MVP for Real Estate Investment Platform (Bunyan) Description: I want to build an MVP for a platform called “Bunyan” that connects real esta...

HL-40378897

Immediate Twilio WhatsApp Tweak

I need someone experienced with Twilio WhatsApp. I already have a working script that sends alerts. I only need to adjust the message text (wording + format). N...

HL-40378685

Car Accessories Online Store Development

I have created a site with a comprehensive online store dedicated to selling car emblems and accessories on Webster. I am looking for someone help. The platform...

HL-40378686

Gaming Platform Architect/Developer Needed

We are building a platform focused on gaming, prediction systems, and decentralized infrastructure. We are looking for an experienced developer who can take a l...

HL-40378755

Multi-Platform App Development

I'm looking for a skilled developer to create web, Android, and iOS apps with identical features across all platforms. Ideal Skills and Experience: - Proficienc...

HL-40378615

Binance trading app Auto-Reply Integration

I need an automated reply system specifically integrated with Binance that triggers upon new trade executions. The response should provide confirmation of the t...

HL-40378361

Développement appli web Android

Je cherche un développeur capable de créer une application web optimisée pour Android. L’objectif est d’offrir aux utilisateurs Android une expérience fluide, a...

HL-40378290

Full-Stack Developer for Travel Data Debugging

We are seeking a Full-Stack Developer with expertise in web scraping and data analysis to help fix errors in an integrated travel website. The website consolida...

HL-40378314

AI-Powered Grocery Delivery WhatsApp Bot

I'm seeking a skilled developer to create an AI-powered WhatsApp bot for a grocery delivery service. The bot should streamline the ordering process, provide rea...

HL-40378192

Android One-to-One Video Chat

I’m building a mobile application that lets two users connect over a live video call on Android. The goal is a smooth, low-latency experience that feels as imme...

HL-40377812

Plataforma de subastas online que se llama ''snaggUp''

Busco desarrollar un sitio web en el que los usuarios puedan subastar artículos físicos de manera simple y segura. La experiencia debe cubrir todo el ciclo: pub...

HL-40377708

Bimbingan Flask Database Python

Saya sedang mengerjakan aplikasi Python berbasis Flask dan membutuhkan panduan praktis agar proses coding berjalan lebih cepat dan rapi. Fokusnya hanya pada int...