API Development projects — HireLancer archive

ID / Date Listing

Cross-Platform Time Tracking Suite like Toggl

I’m ready to commission a complete, production-grade time-tracking solution, starting with a robust web app that delivers three must-have capabilities on day on...

HL-39841500

App pagos y botones SOS transporte

Necesito desarrollar una app móvil para nuestra línea de transporte que combine, en un solo lugar, dos funciones clave: facilitar pagos digitales y ofrecer tran...

HL-39841331

Prototype API-Integrated AI Agent

Title: AI Agent / Chatbot Developer Needed Description: Looking for a developer to build and prototype AI agents with basic API integration. Initial short proje...

HL-39841289

GuardLinx – “Connect teams, confirm time.”

Title: Build a GPS-Verified Clock-In/Out Web App (inspired by Guardhouse, GuardsPro & TimesGate) Description: I’m building a modern, security-focused time & att...

HL-39841180

Invitación Digital Angular .NET

Necesito desarrollar una landing de invitación digital en Angular 20 con un diseño minimalista. La página debe: • Mostrar toda la información del evento en una...

HL-39841100

Web Crypto Explorer Development

I’m looking to launch a web-based Crypto Explorer that lets visitors quickly see what’s happening in the cryptocurrency market. The core requirement is a respon...

HL-39840914

My doctor

Specification Document for the Development of a Medical Application 1. Introduction This document describes the functional and technical specifications for deve...

HL-39840949

Developer Needed: Automated Product-to-Video Workflow (n8n + AI)

We’re creating a system that transforms a single product page URL into a ready-to-publish short-form video. The process should be fully automated: extracting pr...

HL-39840860

Backend Development for Startup Community Platform

We are building a startup community web platform. The complete frontend design (HTML, CSS, Figma) is already done – now we are looking for a skilled backend dev...

HL-39840890

Google Ads API Endpoint Research

I have an AI-driven marketing app in development and need quick, authoritative guidance on the Google Ads API. Specifically, I’m trying to identify which availa...

HL-39840709

Flight School Management Web App

I need a full-stack web application that streamlines daily operations for a South African flight school. Three core user roles will log in—Student, Instructor a...

HL-39840725

Player Database & API Integration

I need a small web-based system that lets me enter new players, keep their name and contact details in a clean, searchable database, then build teams and push t...

HL-39840758

MongoDB Multi-Tenant Architecture Support

I have a React-based backend running on MongoDB and I want to move to a true multi-tenant setup that keeps every client in a separate database. My priority is t...

HL-39840625

I need someone who can make script to make unlimited social media accounts such as facebook instagram microsoft apple id whatsapp imo etc… using phone numbers not email and already i have api u can connect script and get numbers as much as u want so i nee

More details: Which programming language or framework do you prefer for the script? Python Which captcha bypass service or method would you like the script to u...

HL-39840344

Online Travel Agency Platform Build

I’m putting together a complete, from-scratch online travel agency system and need an experienced web developer to turn the concept into a secure, scalable appl...

HL-39840059

KLAVIS.APP LEGAL CRM :: Client : "Legal Case Entry Automation" Developer Needed

**KLAVIS.APP LEGAL CRM :: CLIENT: AUTOMATIC CREATION OF LEGAL CASE FROM DOCUMENTS (OCR/AI)** __ We are looking for a developer or a team for the development of...

HL-39840073

Playwright UI & API Automation

I’m expanding our automated test coverage and need someone who already feels at home in Playwright after at least two solid years of day-to-day use. The work is...

HL-39839840

Seeking Experts for Software Enhancement

We are seeking proven experts in App Development, UI Development, and/or AI who are willing to contribute their expertise and time to the further development of...

HL-39839922

Blockchain Food Traceability Platform

I'm launching India's first D2C blockchain-based grocery brand and need a complete blockchain traceability system built on my existing Azure Ubuntu server. The...

HL-39839659

Part-Time Senior Angular/.NET - from India location please, as other dev is from India

I have a product team that occasionally needs an extra set of expert hands. Whenever new tickets come up—whether it’s polishing an existing Angular component, w...

HL-39839765

AI-Driven Investment Forum Build

I’m building a public-facing website where investors can swap proven tips, and I want the experience to feel truly intelligent rather than just another bulletin...

HL-39839766

Update Web3/React ICO/DEX project

I have an existing ICO / DEX application built with React and web3-enabled components. The contract layer is running smoothly; my focus now is the user dashboar...

HL-39839510

Searching for Partner | OpenWebUI / ChatGPT Enterprise / Tavily

Description: We are looking for an experienced freelancer to support us with the setup, tuning, and optimization of our AI environment. The focus is on OpenWebU...

HL-39839515

AI Agent for Automating QuickFMS Workflows (Phase 2 – Long-Term Engagement)

We have completed Phase 1 of our AI project and are now moving into Phase 2. We are seeking a highly experienced AI freelancer for a long-term engagement with a...

HL-39839508

Pengembangan Fitur Baru Aplikasi - 01/10/2025 06:40 EDT

Aplikasi saya membutuhkan fitur baru agar semakin bermanfaat dan siap dipasarkan. Fokus utama pekerjaan ini adalah pengembangan fitur baru pada codebase yang su...

HL-39839390

USDT Day Trading Investment Pool

I am building a crypto investment pool in which contributors send USDT (BEP-20) to a shared fund and I actively day-trade the capital on their behalf. The aim i...

HL-39839313

B2B Hotel Booking Management Platform

I need a single code-base that delivers both a responsive web portal and a native Android app dedicated to booking management for hotels. Three distinct user ro...

HL-39839099

muslim matrimonial website from end to end along with mobile app

More details: What essential sections or pages do you want on the matrimonial website? User profiles, Search and filter, Messaging system, some educational feat...

HL-39839145

AI Assistant Agents Development

My goal is to deploy a suite of AI-powered agents that act as a 24/7 personal assistant for me and my team. The system has to read and write emails in natural l...

HL-39839147

Complete Authenticated Service App

I’m ready to move from concept to a fully-functioning web application that feels fast, modern, and secure. The core of the job is a complete service app with ro...

HL-39839150

ERP Production Tracking System

I have already drafted a full functional blueprint for an ERP-style platform that takes an order from entry all the way through packing and shipping. The docume...

HL-39839158

Automated Account Creator Script

I need a robust Python script that can register new user profiles on both the mobile and web versions of my application completely unattended. Each profile must...

HL-39839169

Custom OneDrive Backup Solution

Title: Develop Custom Cloud Backup & Reporting Solution Using OneDrive Storage Description: We are an IT solutions company based in Mumbai, actively looking for...

HL-39838969

AI Search Optimization Lead Professional for Yachting

Description # AI Search Optimization Lead Professional **Location:** India / Dubai (hybrid) · **Company:** ...... **Type:** Full-time ## Why this role AI search...

HL-39839008

Full-scale Amadeus Travel Booking Platform Development

I’m building a full-scale travel booking web app in core PHP and want it to feel as smooth as the best consumer sites while giving me deep control on the back e...

HL-39839009

Geelark API Automation Scripts

I want to run my automations directly through the Geelark API, removing the need to click around the Geelark dashboard every time a workflow has to fire. To get...

HL-39839037

.NET SharePoint Backend API Development

I’m modernising a .NET Framework 4.8 solution that sits on ASP.NET MVC + CSOM and surfaces data from SharePoint Online. The priority is the backend: I need new,...

HL-39839036

Freelancer Amazon Payment Integration

I need a developer who can connect my Freelancer account to Amazon strictly for payment processing. The goal is for funds released on Amazon—whether through Ama...

HL-39839042

Billing & Inventory Management Software with POS & SaaS Model

Billing & Inventory Management Software with POS & SaaS Model develop karna hai, jise market me Vyapar, MyBillBook, Marg ERP, Zoho Books jaise apps ke saath com...

HL-39838828

Secure Express.js API Build

I’m finalising a Next.js front-end and now need a seasoned Express.js developer to stand up the entire backend layer. The priorities are clear: • Robust RESTful...