API Development projects — HireLancer archive

ID / Date Listing

Unified ERPNext & Vercel API Gateway

I’m building a single Python-based gateway that will sit in front of ERPNext and Vercel, plus an extra module that handles RO, IT and Peppol invoicing rules. Th...

HL-40124938

DealerPro: SaaS Profit Platform Creation

Project Title DealerPro – Web-Based Dealer Profit & Stock Intelligence Platform Project Overview I am looking for an experienced developer or small team to buil...

HL-40124940

Job Search Web and App Source Code

I’m looking for complete, production-ready source code for a mobile job-search application for web and android

HL-40124735

Classic Android Medicine Delivery App

I want to launch a complete medicine delivery solution built specifically for Android. The overall flow is straightforward: users snap or upload their prescript...

HL-40124783

Phase 2 Document Automation Backend

I’m moving into Phase 2 of a document-processing platform and need the backend extended so it reliably pulls data out of incoming files and automatically routes...

HL-40124418

Update Existing Website

I need an experienced developer to step into my already-live website and handle a round of updates. The core job is development-focused: improve current functio...

HL-40124446

WordPress Taxi Booking Form

I need a custom-built taxi booking form that drops straight into any WordPress page and can also speak to external services through an API. The core purpose is...

HL-40124458

Google & Meta Ads Manager Setup

I need an expert who can get both a Google Ads manager account and a Meta Business Ads manager account fully configured from scratch, complete with live API cre...

HL-40124464

MVP spletne aplikacije (SaaS)

Iščem izvajalca za razvoj MVP spletne aplikacije (SaaS) Gre za B2B spletno aplikacijo za ponudnike storitev (npr. frizerje), ki omogoča: klasične spletne rezerv...

HL-40124269

Full-Stack Web App Build

I have the concept, wireframes, and core workflow mapped out for a brand-new web application and now need someone who can turn that vision into a production-rea...

HL-40124303

iOS & Android Mobile App Build

I’m ready to move forward with a brand-new mobile app that will live on both iOS and Android. The concept itself is still flexible, so I’m looking for a develop...

HL-40124152

Scrape 3 big X accounts and email

Looking for a service provider to handle: 1. scrape the followers of the following accounts 2. run them through an enrichment tool to get emails 3. hit them wit...

HL-40124175

Node.js Angel One API Integration

I need a Node.js module that plugs straight into the Angel One SmartAPI and gives me two core capabilities: 1) real-time market data feed in JSON, and 2) full o...

HL-40124202

n8n AI Workflow Automation

The goal is to design, configure, and document an AI-powered agent inside n8n that handles end-to-end workflow automation. The agent must listen to multiple tri...

HL-40124219

Migrate PerfexCRM SAAS system to Cloud and do some Customizations.

I already have a fully-configured PerfexCRM instance running on a single-tenant server. What I need now is a multi-tenant, cloud-hosted version on Xneelo where...

HL-40124234

User Accounts & Airwallex Integration

I’m extending our SaaS platform and need a developer who can stand up a full-featured account system on Supabase, deploy it through Vercel, manage the repo on G...

HL-40124022

VMProtect License Manager Hotfix

I am running the latest VMProtect Web License Manager in a live production environment. Since the most recent update, the internal calls for both license valida...

HL-40123743

Pretix Seating Module

I need an experienced Pretix developer to install a custom addon and extend it so I can add the Seating module’s existing behaviour rather than bolting on somet...

HL-40123757

Industrial B2B Marketplace Development

I am building a web-based marketplace that connects industrial companies with vetted, skilled technicians. The platform has to feel as effortless as a consumer...

HL-40123783

Fitness/food App Development

The entire visual side of my fitness-and-nutrition app is already completed, and a portion of the front-end code is in place. What I now need is an experienced...

HL-40123795

African Multi-Modal Booking Platform

I’m building a single booking hub that lets travelers anywhere in Africa reserve seats on buses, trains, and planes from one responsive web interface and mobile...

HL-40123528

Logistics ERP & Order Tracking

I need a web-based ERP portal purpose-built for a logistics environment for my startup business, with the order-tracking workflow as its heart. The scope of wor...

HL-40123529

BGMI Post-Match AI Coach

I’m building a mobile companion for Battlegrounds Mobile India that chats with players right after a match, breaks down what really happened, and then guides th...

HL-40123551

Electron POS Platform Integration

I already run an ElectronJS-based POS in my outlet and now need solid, plug-and-play code samples that let the system talk directly to Swiggy, Zomato and ONDC (...

HL-40123554

React E-Commerce Build, US Hours

I’m kicking off a brand-new e-commerce site and need a full-stack developer who can collaborate in real-time during standard U.S. business hours. The stack is l...

HL-40123570

Construction Networking App & Website

I am building a digital networking hub tailored specifically for the construction sector and need complete development of a responsive website plus companion mo...

HL-40123632

B2B Dental Prosthetics Marketplace Platform

# Full-Stack Developer Needed: B2B Dental Prosthetics Marketplace Platform ## Project Overview We are building **DentalSource**, a B2B marketplace platform conn...

HL-40123425

MVP Development

Our early-stage startup has validated its concept with a working prototype, and the next step is a market-ready MVP. The stack is already set: Node.js on the ba...

HL-40123406

Ernson Dorce

I’m building a custom embedded system and have reached the stage where the user interface has to come to life. The core hardware and low-level firmware are alre...

HL-40123454

Looking for a Freelancer Who Can Arrange a Ready Travel Insurance API for Our OTA

I run an online travel agency and I want to add ready-made travel-insurance quotes and policy issuance directly into our booking flow rather than building every...

HL-40123456

Salesforce Lead Workflow Automation

I want to stitch together a seamless lead-management flow inside Salesforce that leverages Twilio, Supabase, OpenAI, and Zapier end-to-end. Every time a new Lea...

HL-40123191

Fix a Laravel website and a Flutter app

I have a website built in Laravel and vue.js, and it has a Flutter app They require a large number of fixes; 95% of them are small, but a few are big Budget: CA...

HL-40123229

Update Website Passwords Securely

I have a website built in Laravel and vue.js, and a Flutter app The admin password cannot be changed, it has to be done from the code. So, you need to fix it, a...

HL-40123054

Volaria Web APP Development

I am developing an Web APP for students. Organizations post volunteering events so that students can search for what opportunities they prefer and apply for it.

HL-40123062

Ecommerce Web and Mobile Build

I’m ready to launch a full-featured ecommerce presence and need a partner who can take me from concept to live storefront, covering both the web and mobile touc...

HL-40123065

Linux C++ Embedded Firmware

I’m building a consumer-grade electronic device that boots a custom Linux image and runs its core logic in modern C++. I already have the hardware platform in h...

HL-40122913

Build Windows Order Auto-Print Agent (.NET, POS / Receipt Printer)

I need a small, stable Windows tray application written in C# that sits quietly in the background of a shop PC and prints every new order that arrives from my R...

HL-40122712

AI-Powered Employability Platform (Web-Based, API-First)

Full-Stack Web Developer / AI Engineer AI-Powered Employability Platform (Web-Based, API-First) Project Overview We are seeking an experienced freelance develop...

HL-40122726

Dynamic Product Selector Project

This will be a landing page that helps our visitors see prices of products and then add to cart, all while not leaving the current page. This is a laravel proje...

HL-40122732

Booking App Upgrade

Please read Proposals must be detailed and relevant. Include your technical solution and examples of similar past work. Generic responses will not be reviewed....