Backend Development projects — HireLancer archive

ID / Date Listing

PHP Backend & Chatbot Integration

The front-end of my web application is finished and running; what remains is a solid PHP backend that connects everything and powers the AI chatbot I built. I’v...

HL-40007524

Developing SoniAeroTrace: Aerospace Blockchain Innovation

Hiring Experienced Developers – Aerospace Blockchain Traceability Platform I'm building SoniAeroTrace, a high-security aerospace part traceability system that c...

HL-40007355

Cross-Platform Social Network App

I’m ready to turn a new social networking concept into a fully functioning mobile experience and need a developer who can deliver a single cross-platform code-b...

HL-40007074

Hotel Booking Site Build

I’m building a full-featured hotel booking site and need the entire flow coded and ready for launch. Guests must be able to browse available rooms, filter by vi...

HL-40007098

FlutterFlow Integration & AI Damage Evaluation

AI Damage Scanner + Virtual Garage Integration (Quotes Only) DESCRIPTION: I have a detailing/tinting app built in FlutterFlow with Firebase. I’m looking for quo...

HL-40006944

Full-Stack React & Node

I need a developer who can own both sides of the stack—modern React on the front end and a clean Node.js service layer underneath. The goal is to take my existi...

HL-40006955

E-commerce Mobile App Development

I'm seeking an experienced mobile app developer to create a feature-rich e-commerce application. The app should provide a seamless shopping experience, user-fri...

HL-40006960

Business Recommendation and Onboarding App Development

I need a cross-platform app (iOS and Android) that can recommend the best business options based on form-based user input. The app should also facilitate onboar...

HL-40006867

Senior Part-Time Laravel & CodeIgniter Developer

I have a live product stack that runs on both Laravel and CodeIgniter, and I’m looking for a senior-level engineer who can step in on a part-time basis. Expect...

HL-40006634

Mobile Slot Machine Developer (Unity + Backend + Admin Panel)

I am looking for an experienced game development team or an individual developer who can build a complete mobile slot machine game similar in style to Ying Cai...

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Build Onshape App Extension

Your task is to develop integration between Onshape and our own Leo AI React application (written in TS). We already have an integrated app withing Onshape, wit...

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Freelance Project – Backend Stability & Platform Optimisation (Hospitality SaaS)

We are seeking an experienced developer to collaborate on an existing AI-powered hospitality SaaS platform currently in live development. The platform already h...

HL-40006351

Classifieds Marketplace Mobile App Development

Project Description: I am looking for an experienced mobile app developer (or team) to build a complete classifieds marketplace app similar to eBay Kleinanzeige...

HL-40006114

Refactor Java Repos to GCS

Please connect with me if you are from Pimple Saudagar , Wakad area only I have two Java-based backend repositories that currently read from and write to HDFS....

HL-40005975

Node.js Captcha Solver Script

I have a frontend that already captures a captcha image and passes it to the backend as a Base64-encoded string. What I now need is a compact Node.js script tha...

HL-40005910

E-commerce Website with Reviews

I’m launching an online store and need a complete e-commerce website that’s fast, intuitive, and mobile-friendly. The one feature I absolutely must have is a bu...

HL-40005767

WordPress Developer for Tech Startup Marketplace

Job Description: WordPress Developer & Designer for Investor–Startup Marketplace Platform Project Overview We are building a premium marketplace platform that c...

HL-40005658

Build PDF Tools Site

I’m putting together a streamlined web application where anyone can walk in, drop a file, get their processed PDF back, and leave—no sign-ups, no stored credent...

HL-40005478

Wordpress/Elementor Interactive Bike Trails Map

I need a custom WordPress plugin that lets me drop an interactive map into any Elementor section and automatically draw my bike trails. All track data will come...

HL-40005493

Full-Stack Developer for Voucher & Wallet Platform

Looking for Full-Stack Developer for Hybrid Voucher & Digital Wallet Platform Project Description: We are building a scalable, secure micro-change system that c...

HL-40005518

Full-Stack Web Build Needed

The goal is to create a complete web presence from the ground up, covering both the front-end and back-end. Because I have no rigid design direction, you are fr...

HL-40005549

Repair Elementor Editor Loading Issue

My Elementor Pro editor hangs on the infinite “Loading…” screen every time I try to open it. Front-end pages render fine, but the back-end editor never gets pas...

HL-40005332

EdTech Backend: Auth & CMS Build

Core scope • Authentication must be email-and-password based with solid API security practices and role-based access control for students and instructors. • The...

HL-40005131

farabi al saheba digital

Saya mencari bantuan Pengembangan perangkat lunak untuk membuat sebuah situs Web yang berfungsi penuh sebagai Toko online. Fokus utama saya adalah menghadirkan...

HL-40004289

Implement Survey Text Captcha - 22/11/2025 20:54 EST

I want to protect an online survey by adding a simple text-based captcha before the form can be submitted. The goal is to stop automated responses without frust...

HL-40004207

Stripe Connect Backend Developer Needed

Job Title: Backend Developer for Stripe Connect (Destination Charges + SCaT + Stripe Tax) I am looking for a backend developer with strong practical experience...

HL-40003941

Plataforma WhatsApp Profissional – Busco Desenvolvedores Que Entregam Além

O usuário poderá conectar vários números de WhatsApp e gerenciar tudo em um único painel. Será possível criar grupos personalizados para segmentar contatos, pro...

HL-40000794

Multi-Tenant AI Voice Agent SaaS

Looking for a development partner to build a white-label AI voice SaaS powered by Retell (voice/LLM) and integrated with telephony (Twilio/Telnyx) and payments...

HL-40003613

Seeking Full-Stack Developer to Stabilize and Optimize Live Platform

Our platform is entering a stage where stability and refinement are becoming increasingly important, so we are looking for an experienced full-stack developer t...

HL-40003629

Live Streaming App With Subscriptions

I’m building a cross-platform video service that reproduces the smooth “go live, subscribe, watch” flow users know from Tango, but under my own brand. The scope...

HL-40003665

Full-Stack Website with Auth & CMS

I’m ready to build a new website and I need an experienced full-stack developer who can take the project from concept to launch. The site must combine a smooth...

HL-40003486

OCR-Enabled Upload Website

I need a clean, responsive multi-page site where users can sign in with social media login, then upload both images and documents. Each file should be passed to...

HL-40003055

Mikrotik Voucher Management Web App

I need a web application that connects to Mikrotik for voucher management. The app should allow me to reset existing vouchers and track their usage. Key Require...

HL-40002939

Need Recommendation: Best Dev Stack

Just a free one actually just needs an advice when it comes to the platforms recommended for backend and frontend programming for software development

HL-40002791

Corporate E-commerce Website Development

I need a modern, responsive website that serves two goals at once: it must function as a fully-fledged e-commerce store while doubling as our corporate portfoli...

HL-40002808

Inventory System Development

Freelance Software Development Agreement - Comprehensive Document Created I've created a detailed, professional Freelance Software Development Agreement documen...

HL-40002664

Node.js Website Speed Rebuild

My Node.js website works well functionally, yet the product pages drag their feet and that is hurting conversions. I want the codebase rebuilt with one clear ob...

HL-40002416

Website E-Commerce Ulasan Produk

Saya membutuhkan sebuah website e-commerce yang sejak versi pertama sudah mampu menampilkan katalog produk lengkap serta fitur ulasan produk (rating dan komenta...

HL-40002219

Websitenya Enhancement & Upgrade

I’m looking for a skilled developer who can breathe new life into my existing website. The primary goal is to enhance and update what’s already there so it feel...

HL-40002254

Urgent Laravel Routing & MySQL Fix

I need an experienced Laravel developer who can jump in right away and resolve two critical issues that are blocking production: incorrect route handling and My...