RESTful projects — HireLancer archive

ID / Date Listing

Python Backend API Developer Needed

My product roadmap calls for a series of new Python-based RESTful endpoints and some refactoring of the existing backend. I want one experienced individual—no a...

HL-40162674

GHL Affiliate → WordPress User Sync + Universal Campaign Library with User-Specific Tracking Links (AppMySite)

Overview We are extending an existing GoHighLevel (GHL) Affiliate onboarding and referral system to support a mobile app built via AppMySite. The app will authe...

HL-40158629

C# SQL API & XML Export

First, I want the data layer to communicate with external accounting services through a REST-style API. The module should issue authenticated HTTP requests usin...

HL-40158561

PHP/Laravel API Integration Support

I need an extra pair of senior-level eyes to help our customers finish wiring their PHP 5 or Laravel 7 apps into our REST API. Your role is purely advisory: jum...

HL-40155869

Gaming Portal Unified Backend API

I’m building a new cross-platform gaming portal and need a single, rock-solid backend that serves our Android app, browser game, and upcoming iOS release. The A...

HL-40154759

Full-Stack Next.js Developer (Malayalam Speaking) - Headless E-commerce

Project Details: We need a developer to join our FMCG e-commerce project. The site uses Next.js 16 for the frontend and WordPress (WooCommerce) as a headless ba...

HL-40154422

Chấm công vân tay MySQL

Tôi muốn xây dựng một ứng dụng chấm công dành cho doanh nghiệp nhỏ của mình, lưu toàn bộ dữ liệu trên MySQL để tiện mở rộng và truy xuất báo cáo sau này. Hệ thố...

HL-40153623

Java Spring Boot Daily Training

I need an experienced Java Spring Boot professional who can teach an online group of intermediate learners for two hours each day, Monday through Friday. We alr...

HL-40152958

Hiring: Laravel Full-Stack Developer (PHP Upgrade Project)

I am looking for an experienced Laravel Full-Stack Developer to upgrade an existing It Consultancy Laravel Web application from PHP 7.x to PHP 8.4 (or latest st...

HL-40152230

Flutter Developer – Health Data Integration (Health Connect & HealthKit)

Role Overview We are looking for a Flutter developer to integrate Android Health Connect and iOS HealthKit into the TennisKhelo app to enable health data tracki...

HL-40150285

Novu Integration Support Needed

I’m in the middle of rolling out Novu and have run into an integration problem that my developer and I can’t pin down. I need someone who has hands-on experienc...

HL-40142577

API-Based SMS Delivery

I need a small, reliable solution that can send plain-text messages directly to a recipient’s phone number. The key point is seamless integration with an API—wh...

HL-40142024

AI Engineer for RAG, LLM

I am looking for a highly skilled Senior Engineer to join our team as a contractor to help maintain and evolve our search infrastructure. You will be responsibl...

HL-40141435

Recharge & Bill Pay app NOTE IF HAVE ANY DEMO THEN ONLY CONTACT

I’m looking for a fully-functional API panel that already handles mobile recharge, utility bill payments, DTH recharge, and payout services. If you don’t have a...

HL-40138717

Grocery Delivery Website & Apps -- 2

NOTE: This is NOT a development project. This is a COMPLETE LIVE GROCERY DELIVERY PLATFORM FOR SALE. I am transferring full ownership (source code, apps, websit...

HL-40138657

Grocery Delivery Website & Apps

NOTE: This is NOT a development project. This is a COMPLETE LIVE GROCERY DELIVERY PLATFORM FOR SALE. I am transferring full ownership (source code, apps, websit...

HL-40138074

Recharge & Bill Pay API Panel NOTE IF HAVE ANY DEMO THEN ONLY CONTACT -- 2

I’m looking for a fully-functional API panel that already handles mobile recharge, utility bill payments, DTH recharge, and payout services. If you don’t have a...

HL-40129254

Full-Stack Developer for Long-Term Ownership

We are looking for a highly experienced Full-Stack Developer to take complete ownership of an existing, complex production system. This is a long-term project s...

HL-40126785

Laravel Web & Mobile Launch

I have a Laravel-based web application sitting on a staging server and I’m ready to flip the switch to production while simultaneously rolling out companion app...

HL-40125285

MERN Stack Developer – Marketplace (Version 2)

Project Overview We are looking for an experienced MERN Stack Developer to work on Version 2 of our Marketplace platform. The project focuses on improving perfo...

HL-40125331

Web App with Payments & Chat

أبحث عن مطوّر يستطيع إنشاء تطبيق ويب متكامل يعمل مباشرة في المتصفح ويهيّئه للإطلاق الإنتاجي من الألف إلى الياء. الأساس هو تجربة مستخدم سلسة وآمنة تدعم تسجيل الأ...

HL-40119979

Fix Laravel API 404s

My Laravel RESTful service is sitting behind nginx and a few specific endpoints are suddenly replying with 404 instead of the JSON data they should return. The...

HL-40117087

Connect Dental SaaS UI to n8n/Retell Backend

Title: Dental SaaS MVP Completion (Full-Stack): Connect Lovable UI to n8n/Retell Backend with Multi-Language Support Current Status: I have a Dental SaaS MVP (C...

HL-40116880

Flutter Marketplace Listing App

I’m building the first release of a marketplace-style e-commerce app and I need a Flutter developer who can focus exclusively on the catalogue side of things. F...

HL-40115705

Part-Time .NET API Developer

I’m looking for a part-time .NET developer to join my team for an ongoing project. Work is task and milestone based, not hourly. Remote role, paid per delivery....

HL-40110391

MongoDB-Centric Backend Build

I need a fresh backend set up around a NoSQL stack—specifically MongoDB. The service will power my client-side application, so the primary objectives are clean...

HL-40110254

5-Layer .NET Admin Panel

I need an admin back-office built in .NET that follows a clean 5-layer architecture. The solution should be organised so each layer—presentation, application, d...

HL-40106897

PHP Laravel 5 API Authentication Optimization

Our PHP 7 application runs on Laravel 5 and exposes several REST-style endpoints. Lately the authentication layer has been our main pain-point: spikes of 401/40...

HL-40106769

Golang Backend API With JWT

I need a seasoned Go developer to craft a secure, well-structured REST API. The core of the job is pure API development in Golang, with stateless authentication...

HL-40106838

REST Endpoint Enhancement & Tweaks -- 2

I’m refining an existing REST API and need a skilled developer who can jump straight into the current codebase and modify several endpoints without breaking bac...

HL-40105829

Laravel APIs for Bubble App

I already have a full School Management platform running on PHP Laravel with a MySQL database; now I’m turning it into a mobile experience on Bubble.io. What I...

HL-40101155

Android E-Commerce App With Reviews

judul proyek singkat, detail pekerjaan, referensi atau contoh, dan tenggat waktu

HL-40098543

Kotlin API Binding Developer Needed

I have an Android-first mobile application that now needs clean, well-tested Kotlin bindings for a remote API. The exact protocol (REST, GraphQL, or even SOAP)...

HL-40097618

Nest.js MVP Auth API Setup

I’m spinning up a quick MVP and need a clean Nest.js code-base that handles a straightforward Basic Auth flow. The focus is tight and pragmatic: create a RESTfu...

HL-40094808

On-Demand Video Streaming API

I’m putting together a lightweight, open-access API that can serve our library of on-demand videos. The goal is to let any front-end—web, mobile, OTT—request a...

HL-40093006

Hands-On Laravel Mentorship

I already know my way around the basics of Laravel—about a year of study and small experiments—but I still struggle when it comes to building polished, producti...

HL-40091698

Create Agents FastAPI and RapidAPI Deployment

From a GitHub repo we have 74 LLM agents. All the source code is already available. Your task — 1. is to create production ready FastAPI products. 2 package eac...

HL-40091072

Laravel Nuxt Full-Stack Developer Asia

My in-house team is looking to add a mid-level engineer who can own both ends of our stack on a monthly-salary basis. We build custom web applications and rely...

HL-40091098

Laravel Nuxt Full-Stack Developer Asia -- 2