Backend Development projects — HireLancer archive

ID / Date Listing

Anonyme WordPress Kundenumfrage Programmieren

For my existing WordPress site, I would like to set up a fully anonymous customer satisfaction survey in order to optimize both the user experience and internal...

HL-39836141

Digital Asset Marketplace Platform Build

Project Overview: We are looking to develop a digital asset marketplace platform where users can list and browse digital assets for sale. The platform will serv...

HL-39835987

Web App & Admin Panel Build

The Admin Panel is a web-based backend control system designed to manage the users, content, payments, and overall functionality of a mobile or web application....

HL-39835994

Sviluppo di Bot di Messaggistica Multi-Piattaforma (Instagram, TikTok + Extra)

Siamo alla ricerca di uno sviluppatore esperto per la creazione di un bot di messaggistica automatica altamente performante e stabile. L'obiettivo principale è...

HL-39835779

API enhancement - Work with ftp only

Able to follow and fix one by one. Work with ftp only. Immediately start

HL-39835688

Resolve http 500 Error on Submission

I’m getting an HTTP 500 every time a user submits our main login form. The issue is isolated to that single page the rest of the site plus wordpress blog loads...

HL-39835455

Education Website Development

I'm seeking an experienced developer or team to create a comprehensive education website tailored for students. This site should be user-friendly, responsive, a...

HL-39835459

Laravel Full-Stack Development

I need a seasoned Laravel full-stack developer to take charge of a new recruit related website to build.

HL-39835366

Development and Deployment of Backend for WhatsApp Web QR Integration with CRM (Node.js on Contabo VPS)

We are looking for an experienced Full-Stack or Backend developer to build and deploy a dedicated backend service (“WhatsApp Bridge”) that allows the integratio...

HL-39835133

WordPress PHP/JS Backend Expert

I need an experienced WordPress developer who can dive straight into the core of an existing site and keep it rock-solid. Your day-to-day work will revolve arou...

HL-39828044

WooCommerce API Integration Suite

I run a WordPress store powered by WooCommerce that sells domain names, hosting packages and broadband subscriptions. The next step is to hook the site into two...

HL-39834810

Telenyx Voice API Integration

I run a service-based website and I’m ready to add real-time phone support for my users. All the heavy lifting will rely on Telenyx’s Voice API; what I need fro...

HL-39834760

SMS Drip Campaign Form

I need a lightweight web form that asks for a customer's name, email, phone number, address, ISP, Reps name filling out form, installation date, prospect or clo...

HL-39834651

Python Backend & UI Upgrade

I need an experienced Python developer to extend an existing application. My immediate priority is the UI: new, user-facing features have to be woven into the c...

HL-39834381

Marketplace Android App Development

I’m looking for a freelancer to help build a Android apl. The platform will allow two types of users: Sellers (farmers/cooperatives): Create listings with crop...

HL-39834087

Fix Cloudflare Worker Durable Object Backend Contract and Rate Limiting

I am seeking a skilled developer to resolve issues with my multi-tenant SDK, specifically focusing on fixing the communication between Cloudflare Workers, Durab...

HL-39834108

Shopify SaaS Backend Developer Needed 1 week Project

1) Context & Objective I already provide the frontend (landing + dashboard) and all FR/EN content. I am looking for a backend developer to connect all APIs and...

HL-39833888

Eagle Booking Custom Field Addition

Please modify our Eagle Booking WordPress plugin so it records and recognises a guest’s National Identity Number (NIN). Front end – guest checkout • Add a new t...

HL-39833557

Google Apps Script Developer for "Cardly" - 29/09/2025 07:45 EDT

Job Title: Expert Google Apps Script Developer to Build "Cardly" - An Automated Contact Manager Project Overview: We are looking to hire an expert Google Apps S...

HL-39832939

Experienced Java Backend Developer Required

Java Backend Developer (m/f/d) General information Reference: 175536 Location: Limerick Start: 03.11.2025 (ASAP) Volume: full-time 5 Days Onsite Duration: 30.08...

HL-39833276

iOS Car Rental App

I need a native iOS application that lets users book cars quickly and securely. The flow is straightforward: select dates, pick a vehicle, pay in-app, then trac...

HL-39833118

Clone Existing, Take Lessons and Build a New Website -- 3

Job Post Summary => Project Goal: • Build a fresh website and we're gonna call it www.delala.com - a classifieds website that clones www.jiji.com.et • And a com...

HL-39832921

Real Estate E-Commerce Platform

I’m launching an online platform where users can buy and sell both residential and commercial properties. The site has to feel as smooth as any modern e-commerc...

HL-39832929

WordPress Food Box Builder

I’m enhancing my WooCommerce store with a “Build-Your-Box” experience focused on food items. Shoppers should be able to start with a price tier, then add produc...

HL-39832959

React Web App Developer Needed

I'm looking for a skilled developer who can handle both front-end and back-end tasks for a web application. Key Requirements: - Build the front-end using React....

HL-39832738

Dual-Portal Meal Plan Website

I need a full-featured web platform that serves two distinct audiences—qualified nutrition specialists and weight-loss clients—through separate, role-based port...

HL-39832790

PC> Dating App (Boo/Tinder/Badoo Clone) - Mobile Development / Cross-Platform Apps (Android, iOS)

Project Description: We’re looking for an experienced mobile app developer or team to provide a price and time estimate (price check) for developing a dating ap...

HL-39832797

Social Networking App Development

I'm looking to develop a social networking mobile app with the following core features: Messaging: Users should be able to send and receive messages within the...

HL-39832469

Cross-Platform Software Engineer Needed

I’m planning a complex application that must feel native on desktop, mobile, and the web alike. The core architecture still needs to be designed, so I’m looking...

HL-39832536

Java User Management Backend

I need a lightweight Java back-end that lets me create, update, and delete user records stored in a MySQL database. A straightforward username-and-password sign...

HL-39831650

Modern Web Cake Customizer

I’m planning a responsive web app that lets customers build their ideal cake online and check out in a single, elegant flow. The core journey begins with a live...

HL-39831666

Firebase Auction mobile App Enhancements

I already have a credit-based auction app built with Flutter that talks to Firebase, but several core rules are still handled on the client. I want that logic s...

HL-39831529

Web App for Law Exam Simulation Germany

Development of a Law Exam Simulation Web App – incl. AI Grader & Extended Exam UI 1) Project Goal We are commissioning the development of a browser‑based, mobil...

HL-39831540

Ζητείται Full-Stack Developer για MVP Web Εφαρμογή (Budget 900€)

Ψάχνουμε προγραμματιστή για την ανάπτυξη ενός custom MVP web app. Το project αφορά μια πλατφόρμα που λειτουργεί σαν κεντρικός κόμβος ενημέρωσης και συζήτησης γύ...

HL-39831277

WordPress Plugin for Escape Room Reservations

I need a WordPress plugin to manage individual reservations for our escape room business. Requirements: - Collect the following info: - Name and contact details...

HL-39831356

Develop SHER Momentum CNC Trading System

SHER Momentum CNC Engine — Final Version + Profit Maximization Add-on (Smart High-speed Entry & Reversal Detection) 1. Core Strategy Recap Feature Description T...

HL-39831217

Remove discount code after first purchase shopify due to multiply codes being used

I need a concise Shopify solution that stops every discount code from being accepted once a customer has completed their first order and is logged in with the s...

HL-39831103

Modern Multi-Platform Ride-Hailing App

Description: We are looking for an experienced development team or company that already has a ready-made ride-hailing app, similar to inDriver, where riders can...

HL-39831144

Forex & Crypto Trading Platform Development

I am seeking an experienced developer or team to build a trading platform that supports both Forex and Cryptocurrency markets. The platform must provide real-ti...

HL-39830959

Java Backend REST API Development

I’m enhancing an existing Java-based mobile app and need an experienced developer to take full ownership of the backend logic. The immediate priority is designi...