Backend Development projects — HireLancer archive

ID / Date Listing

Robust WhatsApp Voice AI Integration

WhatsApp Voice AI Bot (Multi-language, n8n + OpenAI + WATI) Project Overview: We are building a production-level WhatsApp Voice AI system for a ride-hailing com...

HL-40408063

High-Energy Card Tournament Website Development

The website should be a bold, high-energy, single-scroll experience that immediately communicates vibe, purpose, and action. The homepage opens with a full-widt...

HL-40408037

Lovense Integration for Discord Bot

I'm seeking a developer to enhance an existing Discord bot. The main goal is to track usage activity related to Lovense toy interactions. Key Requirements: - Us...

HL-40407856

Optimize AI-Driven Academic Writing Assistant

We're building an AI writing assistant for students, think Jenni AI + Paperpal. The core pipeline works, but we need a backend/AI specialist to improve accuracy...

HL-40407877

Task-Oriented Python, Django, C++ Developer -- 2

Hello! I hope you're having a great day. Thank you for taking the time to read this. Position Title: Developer (Python, Django, C++) for Task-Oriented Projects...

HL-40407772

Instagram-like Social Media App Development

I'm looking to build a social media app similar to Instagram. Key Features: - Photo and video sharing - Direct messaging - Stories Ideal Skills and Experience:...

HL-40407820

Portal B2B Moderno y Funcional

Busco crear un portal B2B con un diseño moderno, totalmente responsive y centrado en la experiencia de usuario. La prioridad es que cada empresa o profesional q...

HL-40407544

Inspection Job Marketplace App

I’m building a mobile marketplace where I post inspection jobs and certified inspectors claim them in real time. An app that notifies inspectors of available in...

HL-40407493

Task-Oriented Python, Django, C++ Developer

Hello! I hope you're having a great day. Thank you for taking the time to read this. Position Title: Developer (Python, Django, C++) for Task-Oriented Projects...

HL-40407372

Aplicativo de Comunicação Interna

Quero desenvolver um aplicativo multiplataforma (iOS, Android e Web) focado em comunicação interna da empresa. A ideia é que ele seja o hub onde toda a equipe s...

HL-40407416

A4Station Self Printing Service

Full Stack Developer Needed for Smart Printing Kiosk System (Web + Hardware Integration)

HL-40407233

Sistema Clínico en GeneXus

Cuento con un sistema básico para el control de fichas de pacientes y necesito que evolucione a una versión mucho más completa, manteniendo Genexus como platafo...

HL-40407194

Deposit-Free Eren Money Web Platform

I’m building a web-only platform tentatively called “Eren Money.” The concept is simple: users should be able to engage with the site and earn money without eve...

HL-40407011

Fix Laravel belongsTo Issue

I have a Laravel project where a simple belongsTo relationship is not behaving as expected. The models and migrations are already in place, yet Eloquent either...

HL-40407071

Cross-Platform Online Course App Development

I'm looking for a skilled developer to create a comprehensive online course platform available on iOS, Android, and Web. The platform will cater to students, in...

HL-40406901

Child-Friendly Tech Learning Platform

Create a full-stack web application for a children’s technology learning platform with gamification features. The platform must be simple, safe, and visually ca...

HL-40406824

Programista Symfony + Angular poszukiwany

Prowadzę działającą aplikację magazynową zintegrowaną z Shopify. Backend stoi na Symfony, frontend na Angularze. Szukam kogoś, kto wejdzie w istniejący kod, prz...

HL-40406669

USSD Dashboard With SMS Relay

I need a back-end dashboard that sits behind a USSD menu, captures every interaction, and automatically passes the right data to an SMS module for further proce...

HL-40406557

Hotel Booking App Development

I am looking for an experienced mobile app developer or team to build a complete hotel booking platform similar to OYO. The platform will include: - Customer Mo...

HL-40406609

Sports and Casino Betting Site Development

I'm seeking an experienced developer to create a comprehensive betting site specializing in both sports and casino games. Key Features: - Sports Betting on Foot...

HL-40406426

Professional IoT App Development

**Title:** IoT Mobile App with Bluetooth Integration (Professional Platform MVP) --- **Description:** We are developing a professional digital platform for a se...

HL-40406187

WooCommerce OTP & WhatsApp Setup

My WooCommerce store needs a secure, friction-free login flow that sends a one-time password through both SMS / Whatsapp and Email. Customers should be able to:...

HL-40406245

Enhancing SaaS Platform UI/UX and Architecture

I’m looking for an experienced developer to help further build and professionalize IN1, a modular multi-tenant SaaS platform built with Lovable, including code...

HL-40405899

Coin Management Portal Development

I need a secure portal to manage my coin balance from the CoinBase app. The portal should allow me to log in using email and password. The portal should include...

HL-40405914

Aplikasi Komunikasi Tim Bisnis -- 2

Saya ingin membangun sebuah aplikasi bisnis yang berfokus pada komunikasi tim. Tujuan utamanya adalah memudahkan anggota tim bertukar informasi secara cepat dan...

HL-40405718

Cross-Platform Info Service App

I need a complete mobile application built that will launch simultaneously on iOS and Android. The core objective is simple: give users an easy way to access in...

HL-40405737

Turn Railway Project Into Apps

I already have a complete project hosted on Railway with the code in a public GitHub repo. What I need now is a seasoned mobile developer who can take that exis...

HL-40405810

Freelance Job Posting: Smart Contract Audit, Debugging & Optimization (Flash Loans + Atomic Flash Bets + Instant Market Execution)

I’m looking for an experienced blockchain developer to review, debug, and fully optimize an existing codebase involving advanced DeFi mechanisms, including flas...

HL-40405615