API Development projects — HireLancer archive

ID / Date Listing

Gambio Plugin-Entwicklung Spezialist gesucht

Ich suche für unser externes IT-Team einen erfahrenen Profi, der ein Plugin sowie optional ein Theme für die neueste Gambio-Version entwickelt – inklusive Anpas...

HL-39958093

Fix FastAPI-React JSON Parsing

We have a live React app connected to a Python FastAPI backend. Complex JSON responses from a Python model are not rendering correctly in the app. Arrays return...

HL-39957916

PWA Chat Website Development

DO NOT BID WITHOUT UNDERSTANDING PROJECT. Bid the final amount and don't change after discussion. When you bid, please mention what have you understood so far a...

HL-39957936

Fix & add features on a Laravel project

I need to modify a system (ERPGo) to repair and customised features. The developer will have to work together with two more programmers on GIT to make the devel...

HL-39957966

Node.js Background Internal API Runner

I have a Node.js script that should live on my server and run continuously in the background, making periodic calls to our own internal services. The goal is to...

HL-39957800

Shopify Alibaba Import & SEO

I want a custom Shopify app that can pull products directly from Alibaba in bulk, run each title and description through the latest ChatGPT model for keyword-ri...

HL-39957812

Headless AutoCAD DWG Processor .NET Plugin/worker application with a secure REST API, and scheduling feature.

We need to build a backend automation system that can modify AutoCAD DWG files in headless mode and export both updated DWG and PDF files. .NET worker applicati...

HL-39957656

Custom Text Marketing Platform

I want to roll out a purpose-built platform that lets me launch and manage high-volume SMS marketing campaigns from a single, intuitive dashboard. At its core t...

HL-39957659

Full-Stack Developer & n8n Partner VIBE coding skills

A handful of SaaS prototypes for our Canada-USA studio are ready to be pushed into full production. The immediate work revolves around tightening both ends of t...

HL-39957450

Python Visualization Tools Development Sprint

Hello, We are looking for freelance support for one of our projects. In our software architecture, we have several tools that are called by the main application...

HL-39957515

HubSpot Listings custom object rendered in cms hubspot website - update website

We need to modify and update the listings custom object so that it is rendered appropriately into our HubSpot CMS website, and fix some minor problems in the we...

HL-39957554

Scooter & Bike Fleet Platform

Our urban logistics operation needs a purpose-built system that keeps every scooter and delivery bike visible, healthy, and productive. The platform must bring...

HL-39957378

ML Engineer for Document Scan Quality Model

Job Title: Machine Learning Engineer for Document Scanner Quality Model (Flutter Integration) Project Overview: We seek a skilled Machine Learning Engineer to d...

HL-39957379

Auto-Forward WhatsApp Messages

I need a lightweight service that watches an active WhatsApp account and instantly forwards every incoming text message to one fixed destination number. The goa...

HL-39957392

Desarrollador/a Senior APEX Híbrido

Busco incorporar a una persona con entre cuatro y cinco años de experiencia real en Oracle APEX para liderar la migración de varias aplicaciones críticas a esta...

HL-39957394

Intranet Staff & Project Dashboard

I want to replace the spreadsheets and scattered tools we currently use with a single internal website that sits on our local network. The new intranet should l...

HL-39957391

Long-Term PHP Backend Partner

My company is ready to bring a dependable PHP developer on board for an ongoing relationship. Day-to-day you’ll be adding new backend features, improving existi...

HL-39953945

Dexscreener-Style Blockchain Data App

I’m building a streamlined, web-based dashboard that mirrors the “live-ticker” feel of Dexscreener. The single, non-negotiable feature is real-time market data...

HL-39957250

Geolocated Multi-Vendor Marketplace Build

Project to be Developed Exclusively on Lovable.dev I want to launch a location-based multi-vendor marketplace, inspired by Amazon, where each seller is linked t...

HL-39957234

Develop Next-Gen Ethereum AI Metaverse

We are seeking talented blockchain developer to build the next generation of AI Metaverse website. As a Full-Stack developer, you’ll help solve unique, highly c...

HL-39957282

Custom QR-Based Restaurant Menu & Admin System

QR/Barcode-scannable Restaurant Menu + Admin Console Summary I need a lightweight, configurable system that lets customers scan a QR/barcode and instantly view...

HL-39957065

Web Voice & Chat Integration -- 2

I need a developer who can embed real-time voice calling and chat messaging into both my website and mobile app so our customer-support team can speak with visi...

HL-39955425

Quiz Platform Development

A Quizzing Platform 3. Functional Requirements 3.1 User & Access Management The system shall allow role-based access (Admin, Reviewer, Operator). The system sha...

HL-39957096

WordPress Backend Developer

We’re looking for an experienced WordPress backend developer to help us complete a two-stage project. Requirements — Strong knowledge of PHP, MySQL, and WordPre...

HL-39957113

Webapp Maintenance & Feature Growth

I’m taking back control of a web application that was built through an external IT firm and now need a technically hands-on partner to own it day-to-day. The im...

HL-39957143

SaaS-Dashboard Framework Entwicklung

Entwicklung eines modularen SaaS-Dashboard-Frameworks (React/TypeScript) Projektübersicht Wir suchen einen erfahrenen Freelancer, der ein modernes SaaS-Dashboar...

HL-39956862

Xandr PG Deal Setup

Programmatic Guaranteed (PG) deals must be configured in Xandr so campaigns can launch without delay. The task covers every technical step inside Xandr Invest/M...

HL-39956851

Zapier Webhook API Integration

I’ve got a bus-service API that must speak seamlessly with our AgentKit MCP platform through Zapier. What I need is a clean Zap built around a custom webhook th...

HL-39956874

Gemini-2.5 Flash-preview 09-2025 API key Setup

Title: Seeking Freelancer to Access Gemini-2.5 Flash Preview for My Account Description: Hello! I am looking for a knowledgeable freelancer who can help me acce...

HL-39956950

Ongoing Laravel Site Updates

My Laravel site is live, stable, and already serving users—now I need someone who can jump in today and keep it in shape week after week. Each sprint is small a...

HL-39956687

Need Python Developer to Repair Discord Bot

I have an existing Discord self-bot with a web dashboard. It broke after I edited some files through SSH. I need someone who can log into the server, identify w...

HL-39956696

WhatsApp Conversation Tracker System

I am building a Python-based workflow that lets several internal users chat with many customers on WhatsApp while keeping every thread perfectly traceable. The...

HL-39956547

Weekly Rent Direct-Deposit Automation

I need a straightforward way to collect weekly booth rent from the stylists who lease space in my salon. I already run the business on salon management software...

HL-39956610

Gold Coin Info and Tools Website

I'm looking to create an informative website about gold coins. The site should feature: - Historical data about gold coins - Investment tips and guides - Curren...

HL-39956644

ONDC Hyperlocal Logistics Platform

I’m building a hyper-local logistics layer that can service orders flowing through the official ONDC logistics network while also handling deliveries that origi...

HL-39956664

Shopify App for Streamlined Returns

build a lightweight Shopify app (or embedded form) that plugs straight into Shopify Admin and lets my wholesale customers create return requests without ever en...

HL-39956454

Software engineer (code base deep Reasoning and evaluation) Expert Needed

Requirements: • Have 4+ years of elite software engineering experience at top-tier startups, quantitative trading firms, hedge funds, or similar high-performanc...

HL-39956478

AI System Commercialization & IP Licensing Specialist

We are looking for a technology commercialization and IP licensing specialist to help bring a patent‑pending, multi‑module AI system to market through licensing...

HL-39956498

Android App Invoice Printing Adjustment

I already have a fully-functional Android companion for my web-based POS. All core features and REST APIs are live, and the app can pair with Bluetooth and ther...

HL-39956310

Structured Data AI Interface

I’m building a small personal project that lets me run OpenAI models against structured datasets and view the responses in a clean, browser-based interface. Her...