Backend Development projects — HireLancer archive

ID / Date Listing

Home Services Booking App

I need a lightweight Android application that lets Homzo customers book essential home services—water-tank cleaning, AC maintenance, plumbing, electrical work a...

HL-40276343

Magento Performance & Code Cleanup

I need an experienced Magento developer to dive into both the front-end (CSS, HTML, JavaScript) and back-end (PHP, server-side logic) of our store, streamline t...

HL-40276222

AI-Optimized Web Dev Sprints

I have a steady flow of bite-sized projects that blend React, TypeScript, JavaScript and Tailwind CSS on the frontend with Node.js, Supabase, PostgreSQL and Neo...

HL-40275775

Custom Web App for Flight Scheduling

Flight Scheduling Catalog Web App: I want a web application that lets individual travelers schedule their flights. The core of the project is an info flow—searc...

HL-40275795

Modern Theatre Ticketing Website Development -- 2

I'm looking for an experienced web developer to create a modern theatre website. The site should be sleek and inspiring, user-friendly, and include the followin...

HL-40275849

Fix Buggy Marketplace Backend

I need an experienced developer to fix backend issues on my two-sided marketplace. The marketplace is already built but has bugs that need to be resolved. Key I...

HL-40275662

Full-Stack Developer — AI Automation SaaS Platform | Python + Chrome Extension + LLM Integration | 4-Week Sprint

Project Overview I am building a B2B AI automation platform for small and medium businesses. The platform monitors email and calendar, surfaces intelligent summ...

HL-40275599

Fleet Management App with Tracking

I’m building Sailencar, a standalone software application focused on fleet management, and I need a developer who can get the core real-time tracking feature wo...

HL-40275433

AWS EC2 S3 Laravel-Boots Developer (Maintenance, Updates & System Optimization)

We are looking for an experienced collegue to work with us as a long-term technical partner responsible for maintenance, updates, bug fixing, and continuous sys...

HL-40275238

Refonte Portail FBP Moderne

Je souhaite moderniser de fond en comble notre portail de gestion du Financement Basé sur la Performance actuellement sous une ancienne version de CodeIgniter....

HL-40275269

PHP & Angular Expert for E-commerce Site

**Title:** Looking for PHP + Angular Developer for E-commerce Website **Project Description** I am looking for an experienced **PHP and Angular developer** to b...

HL-40275313

In-App OTP Feature Integration, and extension of alert ring of delivery partner

My multi-app food-delivery platform (React Native front ends, Java & Spring Boot backend) already runs smoothly for customers, restaurants, delivery partners an...

HL-40275020

Ride-Hail Aggregator Tech Co-Founder

I’m building a ride-hailing startup that brings several established taxi companies together under one roof so passengers see every nearby cab in a single app. T...

HL-40274898

updating four shifts of 6 hours to 3 shifts of 8 hours starting from morning 6 in asp.net with details record check

I am having a asp.net project under which a application is designed for user to login which are currently using 4 shift of 6 hours to 3 shifts of 8 hrs with rep...

HL-40274852

RCS Marketing Messaging Platform

Overview: The system must be architected to meet enterprise CPaaS performance. Post award of project you will be shared a GitHub Repo update to be pushed there...

HL-40274761

Fix Real-Time Trading Algo delay and laging and rewright stong backend

My trading algorithm is missing profitable entries because the real-time feed reaches it a few seconds too late. The logic itself works; the bottleneck sits in...

HL-40274466

NestJS & React User Management

I’m putting together a full-stack user management system built on NestJS for the backend and React for the frontend. The core functions are already defined; wha...

HL-40274478

Looking to Acquire or License an Existing Crypto Analytics / Smart Wallet Tracking SaaS

We are looking to acquire or license an already developed crypto analytics or smart wallet tracking SaaS platform related to blockchain data analysis / EXPERT O...

HL-40274350

Merchandise Adoration App

I am preparing a Kickstarter campaign and need a clear, professional estimate for building a very focused photo-sharing application. The core idea is simple: ea...

HL-40274303

Firebase Auth Refresh Token Setup

Refresh Token Fix. Firebase Auth Refresh Token Setup (Bubble + Node.js Cloud Functions) Description I need help implementing a reliable Firebase Authentication...

HL-40274179

Senior WordPress (Divi) Developer Needed – Custom, Concept-Driven Website

Project Description I am looking for a senior-level WordPress developer with advanced Divi expertise to build a clean, strategically designed website for a new...

HL-40274042

Web Gamefowl Derby Simulator

I need a browser-based sports simulation that can host a tournament with theoretically unlimited entrants. Each entrant joins a single tournament bracket and is...

HL-40274053

Real Estate Property Listing Platform

I need a basic property listing platform website. Essential Features: - Search and filter options - sell or rent - location - price - facilities (pool/car parki...

HL-40273837

Mejora calendario y resúmenes

Tengo una plataforma web de control horario y quiero añadirle varias mejoras enfocadas en la gestión de ausencias y la comunicación interna. 1. Calendario unifi...

HL-40273863

Mobile App Developer Needed for Travel Services Application (iOS & Android)

I am looking for an experienced mobile app developer or development team to build a travel services–based mobile application for both Android and iOS platforms....

HL-40273756

Bangun Aplikasi Web Sosial Media

Saya ingin membangun sebuah aplikasi web dengan fokus utama pada Sosial media. Target saya adalah memiliki platform yang stabil, responsif di desktop maupun per...

HL-40273895

Title: Backend Engineer Needed for Bug Fix & Stability Improvement (Voice AI Agent – VAPI / Node.js / AWS EC2)

We are seeking an experienced backend developer to diagnose and resolve stability issues in our Voice AI agent system. Project Overview: The backend was develop...

HL-40273914

Comprehensive Professional Course Website Development

I'm seeking an experienced web developer to create a multifaceted professional course website. The site will not only provide online courses but also offer info...

HL-40273739

ChaloTrain.com Transformation: Indian Railway website

I want to transform my website chalotrain.com from a simple PNR Status tool into a complete Indian Railway Super App. Current State: Website currently only has...

HL-40273794

Deposits & Withdrawals Mobile App

I need a finance application built from the ground up that lets users move money in and out of their accounts with ease, see every transaction at a glance, and...

HL-40273607

تطوير تطبيق ذكي متقدم متعدد الوظائف

تطبيق ويب تطبيق ديسك توب تطبيق جوال التطبيق مثل مانوس مثل ارينا مثل ريبلت مثل بولت اقرب لجوجل انتيجرافيتي تطبيق يعمل بوكلاء و مدير وكلاء يكون مهندس برامج بنماذج...

HL-40273673

E-commerce Shop Development

I'm looking for a skilled developer to create an e-commerce site for our physical products. This site will serve both trade and end users. Requirements: - User-...

HL-40272979

Backend-Entwicklungsunterstützung mit Datenmigration

quirion, die erste digitale Geldanlage Deutschlands und Tochter der Quirin Privatbank AG, plant den Aufbau einer zentralen Backend-Plattform zur Integration meh...

HL-40273177

Travel & Flight Booking Integration Platform

I am currently working on a travel company website that integrates directly with a flight service provider to deliver real-time flight information and booking f...

HL-40273101

Car pull start

I’m ready to move from concept to a working Android-only ride-hailing application built with React Native. Both drivers and riders will use the product, so the...

HL-40273011

Football Tournament Platform Development

I am launching COPA ELITE WORLD CUP 2026, a 32-nation online football tournament, and I need a developer who can turn the full competition workflow into a polis...

HL-40272931

React Node.js Developer Needed for CRM Enhancement

Project Overview We have an existing CRM platform built with React (frontend) and Node.js (backend) and are looking for an experienced developer to enhance and...

HL-40272930

Единый кабинет Work.ua & Rabota.ua

Мне нужен готовый личный кабинет, который объединит мои профили на Work.ua и Rabota.ua. В одном окне я хочу: • просматривать актуальные вакансии с обеих площадо...

HL-40272743

Backend Decision Engine & Connector Architecture (REST, Containerised)

I am building a backend service that acts as a decision layer between an internal platform and multiple external service providers. This is not a simple integra...

HL-40272584

Cross-Platform Grocery Store App

I own a busy local grocery store and want to scale my business with a dedicated mobile presence. The goal is a fully-featured app that runs smoothly on both iOS...