Backend Development projects — HireLancer archive

ID / Date Listing

Flutter Mobile App & React Website

I’m building a cross-platform solution that pairs a Flutter mobile application with a React-based website. On the mobile side, I need one clean Flutter codebase...

HL-40403198

Android Social Network Build

I want to bring a brand-new social networking experience to Android users. The core idea is a clean, modern mobile app where people can create profiles, follow...

HL-40403047

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-40403101

OPC UA SCADA expert

We are looking for an **OPC UA / SCADA Integration Expert** to support our Solar AI Studio platform. **Scope of work:** Develop and advise on secure, read-only...

HL-40402863

Drupal-WordPress Custom Calculator Build

I’m migrating a site from Drupal to WordPress and need a developer who has already navigated this exact path. Another specialist will handle the bulk of the con...

HL-40402875

Build Smart Speaker Integration for DeenHub App

Build Alexa Skill & Google Home Action for Islamic Prayer Time Adhan (DeenHub App Integration) --- I'm the founder of DeenHub, a worldwide Islamic super app ava...

HL-40402897

App Livraison de Courses

Bonjour, Je recherche un développeur (ou une équipe) pour créer une application de livraison à la demande basée à Casablanca. Objectif : Créer une plateforme qu...

HL-40402674

Customer Representative Engineer (Top 1% Only - Client Leadership Role - Part-Time, Remote)

We are a globally distributed startup hiring a Customer Representative Engineer who can operate at a high level of ownership, clarity, and professionalism. This...

HL-40402522

Client-Facing Solutions Engineer Needed

Overview We are a highly skilled software development team with strong technical expertise and a consistent flow of project opportunities. We're looking for an...

HL-40402553

Desarrollo y Actualización Web Laravel

Contexto Técnico: Busco un desarrollador Fullstack con experiencia avanzada en Laravel para trabajar en un aplicativo web activo. Contamos con una estructura de...

HL-40402249

Build Social Networking Site

I need a developer to create the first iteration of a social-networking web application. At this stage the core requirement is a robust user-profile system that...

HL-40402229

Custom Web Application Development

I need a brand-new web application built from the ground up. At this stage I have the core concept, target users, and a clear set of business objectives, but I...

HL-40402232

Senior Full-Stack Scale Engineer

I’m building a high-scale consumer platform that must feel instant, simple, and rock-solid for millions of users. To keep pace, I need a Senior Full-Stack engin...

HL-40402108

Keyless Car Entry Mobile App

I need a clean, reliable mobile application that lets drivers unlock and lock their car doors directly from their phone. The app has to run smoothly on both iOS...

HL-40401996

Create Mintable Solana Token

Project Summary We are launching Cryptonite PRO ($CPRO) on Solana. We need an experienced developer (or small team) to complete the initial token setup and deli...

HL-40402018

Claude SDK Agent Automation

I need a set of AI agents built with the official Claude SDK whose chief role is API integration with other tools. The idea is straightforward: each agent shoul...

HL-40401866

MVP Web App Development

I'm seeking an intern developer to create an MVP web app focused on user registration and authentication. Key Requirements: - User Role: Standard User - Essenti...

HL-40401875

Social Audio App & Platform Development

Hiring: Full-Stack Mobile App Developer (iOS & Android) + Admin Panel + Backend System Only serious applicants should contact. We are looking for an experienced...

HL-40401876

AI-Driven Communication and CRM System -- 2

# Project Title: Build AI-Powered Communication & CRM System (Voice, SMS, Automation) --- ## Project Overview: I am building a system called **Agent Edge**, whi...

HL-40401735

Enhance Android Delivery App

I already run a live Android application that connects customers, delivery partners, and my operations team. The core product works, but it now needs a thorough...

HL-40401504

Beerent API Booking Integration

I already have the full front-end (clean HTML, CSS and vanilla JS) in place; what’s missing is the connection to Beerent. All I need is a lightweight back-end l...

HL-40401542

Web multiplataforma para karting

Necesito desarrollar una página web multiplataforma (desktop, mobile y tablet) que gestione de principio a fin la operativa de mi pista de karting. Quiero traba...

HL-40401353

Pembangunan Website Bisnis Baru

Saya ingin sebuah website bisnis baru yang dibangun dari nol. Saya sendiri memahami dasar-dasar coding, tetapi kali ini saya membutuhkan seseorang yang dapat me...

HL-40401425

Urgent Twilio expert wanted

I have to add real-time voice calling to an existing web application right away and need someone who knows Twilio Programmable Voice inside out. We have the des...

HL-40401284

Convert Mobile APIs to Node

I'm rebuilding the entire server side of my Android and iOS apps in Node.js. The current apps talk exclusively to a set of RESTful endpoints, and those endpoint...

HL-40400480

Shopify Enhancements & API Integrations

I have a Shopify website that requires secondary development, mainly focusing on functional development. We mainly offer gift customization services. Currently,...

HL-40400319

Odlish-Eat Curious. Stay Healthy.

Odlish Eat Curious. Stay Healthy. WEBSITE & PRODUCT Page-by-Page Brief & Build Notes For: Designer · Developer · Content Team Version 1.0 · April 2026 Pages in...

HL-40400281

Meat Delivery App (Tabby/Tamara)

I need a polished, production-ready meat delivery application released on both iOS and Android. The heart of the build is a truly friction-less ordering flow. S...

HL-40400218

Webmaster Full Stack WooCommerce

Tengo una tienda online de nivel medio-alto en Argentina que funciona sobre un VPS LEMP (Nginx + FastCGI + Redis + Cloudflare Pro) con WordPress, WooCommerce y...

HL-40400224

Python backend

I need a Python backend developer to develop a robust and scalable backend system. The work includes building REST APIs, integrating databases, and implementing...

HL-40400014

Ubrand App Update Specialist Needed

I need an experienced developer to update the Ubrand app. Key tasks include: - Redesigning the User Interface (UI) for a more modern look and branded - Improvin...

HL-40400041

Desarrollo de CRM para Telecomunicaciones

Buscamos desarrollar una aplicación web tipo CRM orientada a la gestión de oportunidades comerciales en el sector telecomunicaciones. El sistema será la herrami...

HL-40400051

Community Discussion Web Application

WEB APPLICATION DEVELOPMENT REQUIREMENT Project Overview We are looking to develop a web-based community platform where users can: Create posts Participate in d...

HL-40400067

Web Developer – Native English Required

Type: Part-time, 10–20 hrs/week Rate: $30–60/hour About the role: We are looking for a Junior or Senior Web Developer with native-level English communication sk...

HL-40399955

Cross-Platform Billiard Game Development - 1

@Please note: I am not considering proposals from developers based in India or Pakistan.@ I need a complete billiard game that runs seamlessly on every major de...

HL-40399980

Bilingual Company Registration Page Development

I need a developer to build a Company Registration Page inside my platform. The UX/UI is already fully designed in Arabic (Figma will be provided). Your task is...

HL-40399897

Flutter & Laravel App Revamp

I already have a production Flutter app powered by a Laravel backend, and I’m ready to move it to the next stage. First, I want the entire interface refreshed....

HL-40399735

Finalize CodeIgniter Site Bugs

We are down to the last ten issues before launch on a CodeIgniter-based platform and I plan to split the work between two senior-level developers—five tickets e...

HL-40399749

Technical Co-Founder and Investor for Web Platform

I’m searching for a true partner on the technical side to join me as a co-founder. Your core strengths should lie in software engineering, with solid, hands-on...

HL-40399756

Custom WordPress Website Fixes Needed

I need someone to fix a few tasks for my custom WordPress website. current stack: Elementor pro WooCommerce ACF CPT Frontend Admin Task 1- Fix WooCommerce Payme...