Backend Development projects — HireLancer archive

ID / Date Listing

Sobriety Tracking App MVP Development

I'm looking for an experienced React Native/Expo developer to create a sobriety tracking app MVP for both iOS and Android platforms. The app will feature an AI...

HL-40456352

N8N Security Controls API Layer

I’m building a light-weight API layer on top of several security controls and need it wired through n8n. The goal is to pull telemetry from my EDR, MFA, and DLP...

HL-40456192

Video Caption App Development

I have an existing mobile app project called CAPTION MASTER . The app is already designed in Figma and the mobile app code is partially ready. The project stopp...

HL-40456188

Movie Trailer website

I need a fully responsive movie-centric website built in pure Node.js—no WordPress, The visual direction is Modern, with a bold hero section on the homepage tha...

HL-40456102

Enterprise Software Codebase Needed for Evaluation

We are currently looking for enterprise-grade software codebases and related SDLC/operational artifacts for engineering evaluation, AI benchmarking, architectur...

HL-40456121

تطوير منصة سوق سيارات احترافية

أعمل على إطلاق سوق سيارات رقمي يتيح للبائعين والمشترين – سواء كانوا أفراد-عاديين أو معارض وشركات – الالتقاء في مكان واحد وعقد الصفقات بسهولة. أحتاج إلى تصميم وت...

HL-40455950

Plataforma Telemedicina con WhatsApp

Quiero lanzar una solución de telemedicina centrada, en esta primera fase, en un chat médico en tiempo real totalmente integrado con WhatsApp. Alcance inmediato...

HL-40455949

Desarrollo de Sistema Web de Gestión Contable y Expensas (CABA)

NOTA IMPORTANTE: El presupuesto es en PESOS ARGENTINOS (ARS). La plataforma obliga a publicar en USD por defecto, pero el pago se realizará exclusivamente en pe...

HL-40455957

Enhance "Down to fish" iOS/android App

Hi guys brief below just a short explanation, looking for someone to start asap on a growing Australian fishing app. Our developers were good we would just pref...

HL-40455795

Solución horario relojes ZKTeco

Tengo entre 1 y 5 relojes ZKTeco conectados a ADMS y presentan un problema concreto: CAMBIO DE HORA INVIERNO/VERANO. Necesito a alguien que ya haya trabajado co...

HL-40455688

ParcelMaadi App & Platform Development -- 2

Thank you for the updated quotation and discussions. We are ready to proceed with the ParcelMaadi project. Before initiating the token payment, please note that...

HL-40455558

Desarrollo App Móvil Tipo Uber para Paseo de Mascotas + Publicación en Play Store y App Store

Busco desarrollador o equipo profesional con experiencia comprobable en aplicaciones tipo Uber para desarrollar desde cero una plataforma llamada “WalkPet”, enf...

HL-40455603

M Rep Backend Management Support

I need a seasoned Pakistani freelancer to take charge of the M Rep app’s backend. While the project occasionally touches mobile-side tweaks and API integrations...

HL-40455252

Parcel & Ride Sharing Mobile App -- 2

Hello, We are planning to develop a white-label logistics/delivery platform named ParcelMaadi. Project includes: • Customer App (Android & iOS) • Rider App (And...

HL-40455307

ParcelMaadi App & Platform Development

Thank you for the updated quotation and discussions. We are ready to proceed with the ParcelMaadi project. Before initiating the token payment, please note that...

HL-40454966

Blog Site Migration and Redesign

Summary I'm looking for an experienced web designer to migrate an existing blog website to Ghost (or a comparable platform). The site is currently live on a Hos...

HL-40454837

Bamboo Dispatch Tracking Android App

I need a straightforward internal Android application that lets my bamboo-yard team capture every dispatch in seconds and gives me a clean, real-time view of wh...

HL-40454506

Web Application Development Project - 19/05/2026 08:38 EDT

I’m kicking off a medium-sized web build and need a developer who can take full ownership of the coding and deployment. The job is strictly development—planning...

HL-40454540

Booking Portal Automation Backend

I’m looking for an experienced backend developer to build a headless automation engine for a government booking portal. The role involves designing and implemen...

HL-40454600

AI Chatbot & Lead Capture Integration

We are looking for a developer to integrate an AI chatbot and lead capture system into our existing Web3 platform built with React. The chatbot should help answ...

HL-40453953

AI-Assisted Supabase Database Architecture & Frontend Integration

I am looking for someone highly experienced in data analysis and database architecture to help build a well-structured and scalable database system for my proje...

HL-40453663

eCommerce SaaS platform

The platform mainly focuses on • Online store builder • Inventory & order management • Payment integration • Shipping integration • Store customization • Market...

HL-40453515

Modern AI-Powered Business Website & SaaS Development

Project Description I am a web developer and AIML student building modern business websites, SaaS platforms, and AI-powered solutions. I need skilled freelancer...

HL-40453189

Desarrollador Java Senior para eCommerce

Buscamos un desarrollador Java senior para liderar el backend de una plataforma e-commerce. No buscamos años en el CV — buscamos a alguien que tome decisiones t...

HL-40453204

Lovable Prototype to Full App - Web/Mobile Development

I need an experienced developer to transform my existing Lovable prototype into a fully functional application that works across web, tablet, and mobile platfor...

HL-40452980

Full-Stack Developer for Doggy Marketplace App

# Doggy Dog Marketplace App ## Backend Developer Needed — NestJS + Flutter Integration --- ## Project Overview We are building **Doggy**, a dog walking and sitt...

HL-40452903

Appointment-Focused Lead Site

I need a clean, conversion-oriented website whose single job is to turn visitors into scheduled appointments. Instead of a generic “contact us” form, I want a f...

HL-40452893

Finalize & Enhance Two Vibe Coded Delivery Apps one for Merchants and Consumers one for Drivers

I have two mobile apps already capable running on both iOS and Android, but they still need that last push before hitting the stores with confidence. The core c...

HL-40452811

Website & Mobile App Development

Greetings! I want to launch a new digital product that works seamlessly on the web and on iOS/Android. The scope covers the complete build of both a responsive...

HL-40452786

Next.js Ecommerce Site - Electronics Store

Full Stack Developer Needed for Modern Electronics Ecommerce Website (Next.js) Project Overview I own an electronics and electrical appliances business selling...

HL-40452572

Sales-Focused Web Development -- 2

I need a skilled developer to build a streamlined, conversion-oriented website that turns visitors into customers. The site must load quickly, feel intuitive on...

HL-40452436

Node.js, React.js for Live streaming website work needed

I have an existing live-streaming web app built with React.js on the client and Node.js on the server. The core pages already load, but several streaming-relate...

HL-40452209

Full-Stack Website Customization & Enhancements

I have an existing website that needs a round of end-to-end customization. The goal is to move beyond the default look and behaviour and shape the site around m...

HL-40452082

Browser Reflex/Clicker Game Development

Browser Reflex Clicker Game (MVP) Budget: Starting from $30 NZD | Timeline: 3–5 days | Scope: MVP only Overview I need a simple, browser-based reflex/clicker ga...

HL-40451859

Spring Boot Warehouse Backend Development

I need a robust Warehouse Management System built with Java 17 and Spring Boot. My top priority is a truly scalable backend architecture that can keep growing w...

HL-40451861

PatientNow EMR Backend Configuration

Our aesthetics practice recently moved onto PatientNow Essentials, but the onboarding left most of the heavy-lifting to us and my clinical team simply can’t spa...

HL-40451649

Need Full-Stack Developer to Clean Up, Fix, and Secure a Vibe-Coded Web App

I have created a web app using AI-assisted coding / vibe coding. The app is already running to some extent, but it is not properly built like a professional Saa...

HL-40451651

PHP Backend Update Needed

I need a skilled PHP developer to update the backend functionality of my application. Ideal skills and experience: - Strong expertise in core PHP - Proven track...

HL-40451698

Real-Time Operational Analytics API Integration

I need help wiring a third-party data & analytics API into my existing business web application so that I can monitor operational metrics live. The goal is true...

HL-40451557

Service-Based E-Commerce Website

I need a clean, fully-functional e-commerce site where clients can purchase my professional services directly online. The store should let visitors create their...