Backend Development projects — HireLancer archive

ID / Date Listing

HL-40208932

Website Development (WordPress / React / Node) Project Description:

Project Description: We are looking for a skilled developer to build a modern, fast, and responsive website for our platform. We are open to development in Word...

HL-40208710

Betfair API Data Retrieval (AU/UK)

Hi, ******Need someone ONLY AND ONLY from AUSTRALIA AND UK ONLY for my betfair apis development. I’m expanding an existing trading suite and now need clean, rel...

HL-40208668

Custom MERN eCommerce Platform

I need a fully custom-coded eCommerce web application built with the MERN stack—MongoDB, Express.js, React.js, and Node.js. The storefront must be responsive an...

HL-40208688

Repair Broken Form Submission

My site’s contact form suddenly stopped working—clicking “Submit” returns an error. I haven’t knowingly changed any settings or code and I’m not sure if bolt.ne...

HL-40208443

Real-Time Mobile Chat System

I’m building a mobile and web application and I need an experienced backend developer to implement a complete in-app social chat system. Main features to develo...

HL-40208490

API-First Trust System MVP

I need a backend engineer to turn my spec into an MVP that exposes a clean, API-first trust and reputation service for autonomous AI agents. The entire product...

HL-40208268

Backend Prisma/MySQL para Next.js

Tengo una aplicación desarrollada con Next.js, Tailwind y shadcn que armé en Firebase Studio. Por ahora todo se almacena en el caché del navegador, así que los...

HL-40208309

Full-Stack Developer for MVP Implementation -- 2

I'm looking for an experienced full-stack developer to implement the MVP end-to-end. Overview Clients submit coding tasks through a store-like request system. E...

HL-40208157

Bubble Import Cost SaaS

I need a production-ready micro-SaaS built in Bubble that lets European importers work out their exact landed cost and margin, then export polished PDFs for the...

HL-40208181

School LMS Mobile App Development

I already have a fully developed Android and iOS LMS IQ app. I am looking for an experienced mobile app developer to configure the existing codebase. This is no...

HL-40208108

Urgent Python Full-Stack developer -- 2

production bugs fix Python back end developers who take up task and bugs You’ll start by replicating the problems in the live environment, trace the root cause...

HL-40208007

C# Headless Login Extractor

I have a website that presents its data in standard HTML tables. I need a lightweight C# console application that logs in with a simple username-and-password fl...

HL-40207857

Multi-Category Booking System Build

The pdf got all needed details for now

HL-40207902

WordPress Agent Kit with HubSpot

I need a small “agent kit” built for WordPress that drops straight into an existing theme and immediately connects to HubSpot and an API plugin. I want the agen...

HL-40207900

Secure QR Token Authentication

I’m overhauling the sign-in flow for my private messaging product and need an engineer who can implement a rock-solid, token-based authentication system. The go...

HL-40207790

DigitalOcean MVP + MySQL Import

I need a developer to quickly deploy an MVP on a DigitalOcean droplet. I already have: Tailwind HTML UI (prototype ready) MySQL database backup that needs to be...

HL-40207637

Specialista AI & Sviluppatore Python Freelance

Job Description: AI Implementation Specialist & Python Developer (Freelance) Contesto del Progetto SoldiExpert SCF, società di consulenza finanziaria indipenden...

HL-40207687

Membership-Based Training Video Portal

I'm looking for a web developer to create a simple portal for training videos. The portal should have the following features: Access Control: - Members-only acc...

HL-40207572

Automatización de informe

Características principales: Web de venta de informe de mercado inmobiliario para una propiedad especifica que se generaría automáticamente pidiendo datos inici...

HL-40207345

Real-Time Train Tracker

I’m building a responsive web app that shows where every train is right now, updating live on an interactive map. The core of the job is wiring reliable, real-t...

HL-40207251

Joomla JBD Classified Directory 4k€

I am setting up a multi-section classified directory on Joomla using the current J-BusinessDirectory component and have a budget of roughly four thousand euros...

HL-40207113

MVP Food Delivery App Development

I’m looking for an experienced mobile app developer or development team to build an MVP food delivery platform similar to Wolt / Uber Eats, tailored for Surinam...

HL-40206980

Real-Time Coding Duel Blueprint

I’m planning an interactive, data-structures-and-algorithms-focused coding duel platform and I need a crystal-clear design and architecture proposal before any...

HL-40206984

Simple E-Commerce Web Application

I’m building a straightforward e-commerce site that lets shoppers browse products, add them to a cart, and complete a checkout flow that finishes with an order-...

HL-40206983

Senior Backend Engineer – Large-Scale Transaction Systems - 26/01/2026 08:16 EST -- 2

Engagement type: Freelance / Contract Duration: Initial 3–6 months (extension possible) Location: Remote Start: ASAP Project overview We are looking for a senio...

HL-40206830

Excel to Node/React Web App

I need my existing Excel file rebuilt as a browser-based application written entirely in Node.js on the back end and React on the front end. The spreadsheet’s r...

HL-40206868

Full-Stack Web Automation & Data Collection Platform (AWS, Node.js, React)

We are seeking an experienced development vendor to build a production-grade web automation and data collection platform. This is a fixed-price project with a d...

HL-40206689

Flutter Delivery App Suite

I’m putting together a complete delivery platform in Flutter and need a developer who can deliver the full ecosystem—separate mobile apps for customers, drivers...

HL-40206690

Remove PayPal From Website

My live website currently routes all transactions through PayPal. I now need that integration removed completely—no replacement gateway such as Stripe or Square...

HL-40206725

Marketplace Scraping

1 Introduction and Purpose This document is issued to invite qualified development vendors to submit a fixed-price commercial proposal, together with an annual...

HL-40206309

Website E-Commerce Penjualan Online

Saya mencari bantuan untuk mengembangkan sebuah situs web e-commerce yang fokus pada penjualan produk dan jasa saya. Prioritas utama saya adalah memastikan peng...

HL-40206329

Custom Website for Mobile App Launch

Scope & Deliverables • Frontend website built using React.js. • Website acts as a landing page for the mobile application. • Sections may include: o Application...

HL-40205735

Photo-Based Junk Quote Website

I’m looking for a clean, mobile-friendly site that lets anyone snap a picture of the junk they want hauled away and send it to me for a price quote—no user acco...

HL-40205634

Fraud Detection Platform - Extraction Accuracy & Expansion

Fraud Detection Platform - Extraction Accuracy & Expansion Project Title **Senior Python Developer Needed for Document Fraud Detection Platform (Ongoing)** ---...

HL-40205679

Technical Partner for White-label collaboration

I am looking for a reliable and experienced IT professional to collaborate with me on a long-term, white-label style development partnership. The role is focuse...

HL-40205558

Property Maintenance Tracking App

Title Senior Full-Stack & Mobile Engineer (React + FastAPI) — iOS/Android Overview We’re looking for a senior engineer to build, optimize, and scale a property-...

HL-40205569

Piattaforma Web Gestione Dispositivi

TRADUCI IN INGLESE DOCUMENTO TECNICO – GESTIONALE DISPOSITIVI USATI & RICONDIZIONATI 1. Descrizione generale del progetto Realizzazione di un gestionale web-bas...

HL-40205514

Looking for a White Label Collaboration Partner

I am looking for a reliable and experienced IT professional to work with me on a long-term, white-label style collaboration. The main responsibility of this rol...

HL-40205352

Senior Full-Stack & AI Developer Available for Client Projects (Long-Term Collaboration)

I am a Senior Full-Stack & AI Developer with 3+ years of professional experience and I am looking to connect with clients, founders, startups, or partners who n...

HL-40205389

Secure Backend Development with Capacity Rules

We are a growing moving company using Base44 as our operational frontend for scheduling jobs, crews, and trucks. We currently rely on Base44’s vendor-managed ba...