Backend Development projects — HireLancer archive

ID / Date Listing

Fork & Upgrade Spyne.ai Platform

I need you to take the open-source Spyne.ai codebase, create a clean fork, and evolve it into a polished, professional-grade product. The first focus is a corpo...

HL-40259708

Shopify Checkout & Mobile Tweaks

I recently built a Shopify-based eCommerce website and completed A/B testing. I discovered a small issue in the checkout/payment process that needs debugging an...

HL-40259476

E-commerce Website Development

I need a skilled web developer to create an e-commerce site. Essential features: - Product catalog - Payment gateway - Customer reviews The platform is flexible...

HL-40259477

Senior Go gRPC Web App

I’m building a production-grade web application in Go and need a true senior who can take full ownership of the gRPC layer and overall code quality. The project...

HL-40259300

Firebase Firestore & Trigger Functions Setup

I need help finishing the Firebase layer of my website. The front-end is already in place; what’s missing is a solid back-end built around Firestore and a few e...

HL-40259356

Custom Calculator for Fluent Forms Plugin

Hello, I need to insert a calculator into the order form so that it calculates the amounts in CZK and shows the final price directly in the order summary. plug...

HL-40258865

PrestaShop Bangla Fixes & Custom Courier Module

Project Title: PrestaShop 8.2 Custom Courier Module Development & Bangla Language Fix (Search + PDF) About the Website Website: bigyanproject.com Platform: Pres...

HL-40258879

Menopause Strength Training App Development

I’m creating an online application tailored for women navigating menopause and I need a developer who can turn the vision into a polished, user-friendly product...

HL-40258804

Closed-Platform Employee Loyalty Mobile App

Closed Loyalty Mobile App – Specification Overview We are building a closed, mobile-first loyalty platform designed for verified employees to access exclusive d...

HL-40258841

New Junior Level / Python( Flask/Django) Coder needed

New Junior Level coder of python good skills in Flask or Django I need from Pakistan or India

HL-40258683

Senior Backend Engineer for AI Finance Platform

Title: Senior Backend Engineer (FastAPI + Jenkins) to Scale AI Agents Platform (Finance) Description: I’m building a production AI Agents platform for financial...

HL-40258510

Mobil Uygulama ve API Geliştirme

iOS, Android ve Web’de eş zamanlı çalışacak bir uygulama inşa ettirmek istiyorum. Temel modüller şunlar olacak: • Kullanıcı kaydı ve oturumu • Gerçek zamanlı bi...

HL-40258383

South African Web App Developer Needed (Next.js + Supabase)

SEEKING SOUTH AFRICAN SUPPORT ONLY Hi there! I have a young startup in the US and am seeking a mid-to-junior web app developer to help us build modern, scalable...

HL-40258465

Misfits Mentorship App for Diverse Learners -- 2

Complete TEFL Certification Course For Me.

HL-40258334

Flask Voice AI Backend Build

I’m rolling out Merchants Virtual, an automated answering service that takes emergency plumbing and electrical calls in the UK, and I need the full Python/Flask...

HL-40257911

RESTful Web Backend API Development

I need a clean, well-structured RESTful API to power the backend of my web application. The API should follow standard HTTP methods, return JSON, and be easy to...

HL-40257972

Build Comprehensive Backend Services

QicSEND SL is a cross-border remittance platform enabling fast, low-cost money transfers from Canada to Sri Lanka. Recipients in Sri Lanka initiate payment requ...

HL-40257500

Build Ground-Up Social Platform OS

My project, Bakuger, starts deeper than an ordinary app: before users can post a single video or chat in real-time, we need the operating system itself. I’m put...

HL-40257526

Full Scrape & Backend Build

I need a complete solution that pulls all publicly available data from instamatch365.com and funnels it into a brand-new backend you will set up from scratch. T...

HL-40257576

Web Stack Audit & Enhancement Architect

Overview: We are seeking an elite systems architect and technical auditor to validate, debug, and harden a high-availability production stack for our enterprise...

HL-40257447

Python Backend Development with Firebase

I need a new backend created for my project using Python (Django/Flask) and Firebase as the database. Ideal skills and experience: - Proficiency in Python, Djan...

HL-40257434

Flask API Backend Development

I'm seeking an experienced Python developer to build a robust backend for my project using Flask. Key Requirements: - API Development: Create secure and efficie...

HL-40257282

Purchase ready-made website

I am ready to acquire three complete, working sites that you have already built: • A pet-grooming site that lets customers book services and showcases a photo g...

HL-40257177

Workflow Management Mobile App Development

Title: Cross-Platform Workflow Management App (iOS & Android) with Real-Time Backend Description: We have developed a working prototype of a workflow management...

HL-40256956

Migrating web app from a single-table key-value store to a normalized relational schema on Supabase Postgres

# Migrating a production application from a single-table key-value store to a normalized relational schema on Supabase Postgres. This migration replaces that fl...

HL-40256959

Custom CRM Application Development

I’m ready to move forward with full-cycle development of a stand-alone customer relationship management application. The goal is to replace my current patchwork...

HL-40256811

Wix Intake Forms & Relational Backend

I need to add a set of intake forms to my Wix site and have every submission stored in a relational database inside my Google Workspace environment. The forms o...

HL-40256636

Lovable/Supabase code refining x performance

1. Fractional Full-Stack "Vibe" Engineer Focus: Transforming Lovable.dev output into scalable, production-ready code. Role Overview We are looking for a senior-...

HL-40256639

Lovable/Supabase code refining x performance -- 2

1. Fractional Full-Stack "Vibe" Engineer Focus: Transforming Lovable.dev output into scalable, production-ready code. Role Overview We are looking for a senior-...

HL-40256655

System Integration Specialist Needed

I need an experienced developer to link our stock and order system (Orderwise) to our Field Service Management system (joblogic) and our asset telemetry system...

HL-40256315

Vidio trend

I need a clean, reliable follow / unfollow system added to my social-media platform. When a user follows or unfollows someone, the other party must receive an i...

HL-40256188

New Junior Level / Python( Flask/Django) Work Needed

New Junior Level coder of python good skills in Flask or Django I need from Pakistan or India

HL-40256208

Food E-commerce Website Development

I'm looking to create a dedicated eCommerce website for selling food items. The platform should be user-friendly, secure, and visually appealing, ensuring a sea...

HL-40256056

Spring Boot Full-Stack Developer

I’m building a full-stack Java application and need support from someone comfortable working end-to-end with Spring Boot at an intermediate level. The core task...

HL-40256042

Social Media Follow Feature