Backend Development projects — HireLancer archive

ID / Date Listing

Proxy Developer for US-Based Interviews

We are looking for a highly experienced software developer to act as a Proxy(Stand-in) Developer in US-based hiring interviews. 1. Responsibilities ● Attend hir...

HL-40599062

Enterprise Hardware & Gaming Console Trading Website

Create a mobile, desktop and multiple device friendly website for my company falco nox tech. My company acquires enterprise hardware via users uploading spreads...

HL-40598955

Responsive Club Website Development

### Project Title **Responsive Club Website with Member Accounts and Event Registration System** ### Project Description I am looking for a developer to build a...

HL-40598977

Mystery-Box Collectibles App Build

I’m creating a real-money mystery-box experience for physical collectibles: users purchase a sealed “vault,” a weighted random draw reveals the exact item they’...

HL-40598778

Healthcare EMR Integration with OAuth 2.0

I need a lightweight proof-of-concept that demonstrates an end-to-end OAuth 2.0 flow against a real healthcare EMR, then uses the granted token to call the FHIR...

HL-40598621

Backend Developer Needed: OpenAI RAG Chat, Multi-Dialect Arabic Concierge, & Google Sheets Integration for AskRaghadai.com

**Project Title:** Backend Developer Needed: OpenAI RAG Chat, Multi-Dialect Arabic Concierge, & Google Sheets Integration for AskRaghadai.com **Project Overview...

HL-40598464

Freelance Python Django Developer Required

We're Looking for a Freelance Python Django Developer (Project-Based) Location: Pune (Preferred for in-office collaboration) Company: Zentro Technologies LLP We...

HL-40598342

Senior WebRTC / Twilio Video Expert Needed to Audit & Optimize React Video Calling App

We have built a React-based web application with a 1:1 video calling feature powered by Twilio Programmable Video. While we have established a solid foundation,...

HL-40598346

Language Learning Website Development

I need a developer who can take my language-education concept and turn it into a full, responsive website with a modern, clean look. Students must be able to re...

HL-40598241

Full-Stack Node.js Developer for E-commerce Repricer and API Fulfillment Bot

I am seeking an experienced Node.js developer to build a custom backend automation tool for an e-commerce marketplace. The system will handle two core automatio...

HL-40598247

Engaging Food Delivery Website Needed

**Project Title:** Food Delivery Website Development **Project Description:** I am looking for an experienced web developer to build a modern, responsive, and u...

HL-40598093

Android Tunnel Construction Progress App

I need a focused Android app that lets our tunnel-construction team record and review daily progress on site. Each shift should be able to open the app, choose...

HL-40598130

WordPress & SEO Specialist for Brand Expansion

Project Title: WordPress Developer & Local SEO Expert for Real Estate + Restaurant Brand Project Description: I am looking for an experienced WordPress develope...

HL-40598139

Rescue Custom Guitar Website Launch

Laravel/PHP/Bootstrap developer available to finalize your custom guitar & finger-protector site. Given the scope described (full formatting/responsive pass, cu...

HL-40597963

Laravel Backend Integration for SaaS CRM

CRM SaaS platform built on Laravel + Blade + Alpine.js + Tailwind CSS, with authentication, a database, and core infrastructure already live in production. We'v...

HL-40597877

Enterprise AI Data Fusion Platform Development

Project Description Overview We are building a large-scale Enterprise AI Data Fusion Platform capable of integrating multiple structured and unstructured data s...

HL-40597800

Custom React Native Taxi Platform

I’m ready to purchase a proven, production-ready taxi booking codebase built with React Native that already includes separate Rider and Driver apps plus a web-b...

HL-40597819

Dynamic Fee Deduction & Marks Verification System

Fix Dynamic Fee Deduction from the Center Wallet Goal Ensure that the correct course fee is automatically deducted from the Center Wallet during student admissi...

HL-40597014

Anexo 24C Development

I need a skilled developer to create the Anexo 24C platform primarily for external clients. If you have never developed an Anexo 24C previuosly do not apply MUS...

HL-40596675

Mentor Arquitectura Web - IA y GitHub

Estoy comenzando el desarrollo de una nueva aplicación web y busco a alguien que me acompañe como mentor técnico. Necesito apoyo específico en la definición de...

HL-40596571

Meta Embedded Signup + Coexistence expert

I have already secured access to the official Meta WhatsApp Business Platform and now need hands-on guidance to integrate and configure it inside an existing we...

HL-40596618

Building an Operations Engine for Tech Cleaning Company

We are building a technology company that currently operates in the cleaning industry. Our vision is to build an operating system for service businesses—a platf...

HL-40596531

Apple ASO Keyword Optimization

My iOS app is just out of the gate and I want to give it the best possible start by sharpening the keyword strategy in its App Store listing. The core objective...

HL-40596428

Optimiser site web

Je possède un site de wallet / carte virtuelle et j’aimerais faire évoluer ses fonctionnalités clés. Objectifs principaux • Ajouter un moyen de paiement local a...

HL-40596115

Desarrollador Full Stack para Webapp SaaS

Estamos buscando un desarrollador Full Stack para proyecto en Laravel y React (Next.js) para finalizar la Fase 2 de nuestra webapp SaaS. Necesitamos a alguien c...

HL-40596146

Pengembangan Situs Web

Saya membutuhkan seorang pekerja lepas untuk membantu pengembangan web. Fokus proyek ini adalah IT dan Pengembangan, khususnya Pengembangan Web. Lingkup kerja:...

HL-40596051

Tamil Newsroom AI Web Tool

AI Newsroom Web Application (Version 1) I need a simple web application for a Tamil newspaper newsroom. This is not a full CMS. It is only an AI-powered tool to...

HL-40596059

Complete Website Development

I'm seeking an experienced web developer to finish my partially built website. The project includes: Design Elements: - Layout adjustments - Graphic design - Re...

HL-40595960

Meal Prep Management Web App

I run a small meal-prep service and need a lightweight, browser-based tool I can open on my phone or laptop without installing anything. The core of the build i...

HL-40595523

Traveling Platform

A request to develop a complete website and portal and mobile app for Traveling System

HL-40595341

React & Node E-Commerce Build

I need a full-stack e-commerce website built with React.js on the front end and Node.js on the back end. The store must feel fast and modern, and I want the cor...

HL-40595286

Bludit Theme & Admin Enhancements

I am looking for a BludIT Web-developer, who can customize Bludit according to my needs. I am using Bludit version 3.15.0 and the Theme is BPERS. It's already m...

HL-40594426

Community Platform MVP Full-Stack Developer Needed

Have A Seat – Web-First Community Platform MVP / Full-Stack Developer & Architect Needed Have A Seat – Web-First Community Platform MVP I am looking for an expe...

HL-40594218

Desarrollador Twilio WhatsApp API Node.js

Necesito un desarrollador con experiencia en Twilio WhatsApp Business API para completar una integración de mensajes automáticos en un sistema de turnos de una...

HL-40594136

Inventura Education Web Development

Inventura Education is a private, online supplemental school for grades K–12. The site will have a front page with a brief overview and two main portals: one fo...

HL-40594194

Service Request Management App

I need a cross-platform mobile app for iOS and Android that pulls in live service-request calls and gives my field employees everything they need to handle thos...

HL-40594211

Versatile Full-Stack Development Support

I’m looking for an experienced developer who can step in and take ownership of a new digital build from day one. The exact product scope is still open, so your...

HL-40594041

Flutter OPPO Background GPS Tracking Demo (Price can be negotiated. Have experience on AMAP and Tecent/NetEase IM third-party sdks integration)

Brief Requirement: Build a Flutter demo for OPPO phones only, stable GPS location under lock screen, background run & normal power saving mode (system cannot ki...

HL-40593858

Python FastAPI Backend Developer – Ongoing Part-Time Work

We are looking for a reliable Python backend developer to provide ongoing part-time support for an established production SaaS platform. You will work within an...

HL-40593827

Full-Stack/LLM Development (Vietnamese)

I’m replacing our summary-based workflow with a true Retrieval-Augmented Generation pipeline and need a collaborator who can own both the backend and the React...