AI Chat App Backend

I need a developer who is comfortable working on top of vibecoded apps and finishing the product properly. · ...

We're hiring a backend engineer for Phase-3A of CricPulse, a calm live-cricket companion app. · All engine logic, timing, and UI are already frozen. · This role is backend execution only — not product development. · Integrate CricAPI (Essential tier) · Poll live match data safely ...

+h2>Job summary · Backend Developer Needed for iOS App Launch · +API optimization and adjustments · +Admin dashboard improvements and changes · +General backend optimization for app performance ...

+This is a job for bringing my app idea to life and helping people organize meetups with friends and connect/schedule meetings with new people. · +Build the backend of the app based on provided assets. · ...

I need an experienced backend developer to build a secure authentication system (REST API) for a mobile nutrition tracking app. The API will handle user registration, login, JWT token management, and connect to an existing SQL Server database. · ...

We are seeking for a professional ethical Pentester or administrator to assist in connecting to the backend of an Android mobile application legally. · The primary task involves querying the database to gather contacts while ensuring compliance with legal standards. · MySQL · And ...

We are seeking a backend developer for our app startup marketplace. We need experience in Prisma and TypeScript. · Develop new features and work for the app. · ...

THERAWORLD – Mobile App Developer (iOS/Android) + Backend (AI Voice / Real-time / Production) · I'm building THERAWORLD, a premium emotional wellness app (not a basic utility app). · This needs to feel cinematic, calm, premium, and polished — with strong UX flow, voice interactio ...

Build a web app with Figma and frontend UI experience. · Backend development · ...

The project is building an AI app with pre-built templates (provided) and includes android app development ios app development full customized backend frontend website I have the source codes apk not complete and figma designs. · Budget is strictly 2k with a time frame of 1 month ...

The backend is already developed using Laravel + MySQL. Need cross-platform Flutter application (Android + iOS) to be fully functional across various devices and screen sizes. · Review APIs provided by us. · Implement missing endpoints or adjust existing ones when necessary. · ...

About the Role · At the Telegraph, we build an amazing, engaging, fast, reliable and secure digital product (website and app) that showcases our journalism, encourages subscription and makes that process as seamless as possible. · As a back-end engineer working on the App, your p ...

About the Role · At the Telegraph, we build an amazing, engaging, fast, reliable and secure digital product (website and app) that showcases our journalism, encourages subscription and makes that process as seamless as possible. · As a back-end engineer working on the App, your p ...

We are seeking a skilled backend developer to assist in building the backend of our mobile application. · ...

We are seeking a skilled freelancer to integrate a back-end database into our app created on The goal is to facilitate the collection of user inputs efficiently through a no-code solution. · Python · API · Java · ...

I'm building a portfolio of modern consumer apps under Appetite Think Labs and am looking for an experienced backend-focused app developer to help me get multiple apps fully running, connected, and approved in the Apple App Store. · ...

We're hiring a backend engineer for Phase-3A of CricPulse, a calm live-cricket companion app. · All engine logic, timing behavior, and UI are already frozen. · This role is backend execution only — not product development. · Your task is to set up a minimal, reliable backend that ...

We are seeking a skilled backend developer to set up a secure backend for our Flutter app, focusing on AI integration and private photo storage. The project involves creating a server-side API and implementing rate limits to ensure secure and efficient data handling. ...

We are looking for an experienced · developer to assist in finalizing a revolutionary longevity app built on Flutterflow.The frontend is nearly complete, but we need expertise to enhance the backend and ensure seamless integration. · ...

We are seeking an experienced Unity backend developer to enhance our gaming app.The ideal candidate should have a strong understanding of backend services and game integration to ensure smooth gameplay and seamless user experience. · ...