Backend Development projects — HireLancer archive

ID / Date Listing

Connecting digital game products on a web application

Connecting games from 2 different APIs with slightly different names correctly

Senior Full-Stack Software Engineer Needed

Job Overview We are looking for a Senior Software Engineer who is comfortable working across both frontend and backend systems. This role is hands-on and techni...

HL-40176416

Comprehensive Livestock & Dairy Management App

I'm seeking an experienced app developer to create a comprehensive livestock and dairy management application. This app will be used to track multiple farms and...

HL-40176266

Power Platform Certification Backend Build

I need a Microsoft Power Platform specialist to stand up the entire staff-facing side of our new professional certification management system. Your first task w...

HL-40176282

Diseño de Landing Page y Backends

Pequeño proyecto que consta de una pagina landing con información sobre el sistema de inversión y la rentabilidad obtenida actualmente, el numero de clientes y...

HL-40176209

ConAcc4 Full-Stack App Build

I am currently producing a high-fidelity, clickable prototype that maps every screen, flow, and edge-case for ConAcc4, a patent-pending AI-driven QA/QC accounta...

HL-40175957

Sistema Web de Menús Digitales

Quiero lanzar un sistema de menús digitales accesible directamente desde una página web, pensado para que cualquier restaurante, cafetería o bar pueda mostrar s...

HL-40176017

Finish & Polish FlutterFlow App

Most of the screens and core logic of my FlutterFlow app are already in place; what’s missing is the solid, production-ready plumbing. I need someone who lives...

HL-40175744

CIR Insolvency Monitor (.NET 8) on Raspberry Pi 5 (Linux) + Keyword Filtering

CIR Insolvency Monitor (.NET 8) on Raspberry Pi 5 (Linux) + Keyword Filtering Goal Build a reliable .NET 8 application that runs continuously on a Raspberry Pi...

HL-40175749

Required Web Developer to Modify & Improve Existing Salon Booking Platform (Visory)

We are looking for an experienced web developer to make multiple changes and improvements to our existing website Visory, which is an online salon booking platf...

HL-40175764

PHP Script custom API Integration

Hello, I am looking for a skilled PHP/Laravel developer to perform a **custom integration** for my Xaxino v3.5 casino script. The goal is to add support for my...

HL-40175698

SlitherChain - Révolution du Gaming Blockchain

Vision du Projet SlitherChain est une révolution dans le gaming compétitif en ligne. Nous fusionnons l'addictivité des jeux .io classiques avec la transparence...

HL-40175714

Node.js Backend Fix and Complete

I need an experienced Node.js backend developer to work on an existing codebase. The backend code is already written, but it needs to be understood, issues fixe...

HL-40175567

Smart algo treading - 24/01/2026 10:00 EST

Smart Algo Trading is an automated intraday trading system designed to analyze market data in real time and execute trades based on predefined technical strateg...

HL-40175285

Full-Stack Build for Services Site

I’m ready to move from plans to a live, production-ready business services website and need a full-stack developer who can own the process end-to-end. The site...

HL-40175296

Creative Projects Crowdfunding Website

Project Overview Idea Hub is a web-based platform that allows authenticated users to submit ideas for review, track their status, and showcase approved ideas pu...

HL-40175172

Full Stack Bug Fixing & Review

I’m looking for a careful set of eyes to dive into my entire codebase—frontend, backend, and database—and squash the problems that have crept in. Right now I’m...

HL-40174626

WordPress Job Board Cleanup: WP Job Manager ACF Front End

I already have WP Job Manager and Advanced Custom Fields running on my WordPress site; now I need the underlying logic and templates put in place so the board i...

HL-40174708

Cross-Platform Astrology App Development

Project Proposal: Real-Time Astrology Consultation Mobile Application Project Title Real-Time Astrology Consultation Platform Project Overview The proposed proj...

HL-40174543

Prebuilt Casino Website with Crypto

I need a prebuilt casino website equipped with a crypto payment gateway. The casino should include a variety of games such as Slots, Poker, Blackjack, color pre...

HL-40174577

Hiring: Senior Business Development Executive (IT & Software Services)

We are a software development partner delivering custom, scalable solutions for startups, SMEs, and enterprises worldwide. We’re seeking an experienced Business...

HL-40174223

Full stack web developer needed to build our Freelancer Marketplace Web App

Only for full-stack developer. The goal is to launch a full-stack web application that matches freelancers with employers and lets both sides track project prog...

HL-40174098

Agpplication e-commerce animaux

Je souhaite lancer une application de commerce électronique entièrement dédiée aux produits pour animaux de compagnie. Voici les éléments clés que j’attends : •...

HL-40173924

Verificación API WhatsApp Business

OBJETIVO 1: VERIFICACIÓN DE WHATSAPP BUSINESS API Conectar mi número telefónico empresarial a WhatsApp Business API Superar los problemas recurrentes de verific...

HL-40173848

Fix API & UI Bug in PERN Stack App

I have a small web application built with the PERN stack that has a reproducible bug affecting data flow between the API and the frontend. The issue occurs when...

HL-40173663

Magento Front & Backend Specialist Needed

We need an experienced Magento 2.4 tech, for sporadic tasks usually working with a project manager with years of Magento support experience. For full access, wo...

HL-40173424

OPN Payment Integration Laravel

My Laravel-based platform is ready for a direct link to OPN Payments. The immediate goal is simple: enable smooth, secure one-time purchases paid via bank trans...

HL-40173463

Unruzha Development Assistance

I’ve corrected the working title to “Unruzha in development” because the project is very much alive and moving forward, but I need extra hands to keep the momen...

HL-40173111

Sviluppo e Integrazione Piattaforma XFans WordPress

Ciao, Mi chiamo Mattia e sto sviluppando una piattaforma di creazione basata su XFans con una homepage personalizzata di WordPress. Prima di andare avanti, vorr...

HL-40173132

WooCommerce CPU Performance Fix

My live WordPress site (Elementor + WooCommerce) is hitting the CPU ceiling, and the server is frequently overloaded whenever visitors just browse the store. Th...

HL-40173135

Build LMS Backend Infrastructure with node or laravel

I need a robust backend that lets my Learning Management System run smoothly and scale. The core of the job is to design and code every server-side piece—from t...

HL-40173166

Project Description: On‑Demand Recovery/Towing App for the UAE (Uber‑like Platform)

1) Project Summary (Vision & Scope) We aim to build a fully‑featured on‑demand Recovery/Towing platform for the UAE, similar to Uber/Careem but specialized for...

HL-40173066

Web-Based Business Product Database Development

I’m looking for a web based product database for my business, to be used to track product pricing to be used for quoting and invoicing. Primary use would be fro...

HL-40172786

FESTPREIS: 100 USD - Erstellung von WordPress Health Online-Magazin

Aufbau eines SEO- und KI-lesbaren Online-Health-Magazins (WordPress, Backend-only). Theme ist bereits installiert mit den Demodaten. 1. Projektziel Ziel dieses...

HL-40172796

Online Compiler Development

I'm looking for an experienced developer to create an online compiler that supports Python, JavaScript, and C++. Essential Features: - Syntax highlighting - Cod...

HL-40172509

Android Social Networking App Build

I want to bring a brand-new social networking idea to life on Android. The concept, user flows, and core screens are already sketched; now I need a developer wh...

HL-40172532

Modern E-Commerce Website Development

I need a brand-new e-commerce website built to mirror the layout and functionality of an existing store I admire. The finished site must feel modern, load quick...

HL-40172393

Cross-Platform Subscription Commerce App Build -- 2

Build a single code-base mobile application (iOS and Android) that powers my subscription-based business. The core of the project is an e-commerce flow, but eve...

HL-40172205

Upgrade Business Website Functionality

I run a general-purpose business website and some of its core functions are no longer meeting our needs. I’m looking for a developer who can dive into the exist...

HL-40172220

Plataforma Q&A Educacional

Quero lançar um site de perguntas e respostas focado em Educação/Tutoria, para conteúdo acadêmico e para estudoa para peova de concursos públicos. Preciso que o...