Java

I’m building a new mobile application and I need a robust Java Spring Boot backend to power it. The core services you’ll create must cover: • User authentication and management with full multi-factor authentication (MFA) and support for future multi-party authentication flows... (Budget: ₹400 - ₹750 INR, Jobs: Hibernate, J2EE, Java, MySQL, PostgreSQL, REST API, RESTful API, Software Architecture, Spring Boot, Spring Security)

I run a Java-based restaurant management application and need it to talk seamlessly to both Swiggy and Zomato so that staff never have to re-enter data in multiple dashboards. The scope is straightforward:... (Budget: ₹1500 - ₹12500 INR, Jobs: API Integration, Java, MySQL, REST API, Software Development, Software Engineering, Spring Boot)

We are looking for an experienced WordPress developer with strong Elementor and SEO knowledge to complete an unfinished website project. The previous developer completed approximately 60% of the website but is no longer available... (Budget: ₹1500 - ₹12500 INR, Jobs: Elementor, Figma, HTML, Java, PHP, SEO, Web Development, Website Design, Website Optimization, WordPress)

1. The "Magic" Payment Engine (The Core) This is the part that will make shopkeepers say "Wow." * The Android Listener: A background service on an Android phone that "listens" for bank SMS or notifications (HDFC, SBI, PhonePe, etc.)... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, API Development, Database Management, Java, Mobile App Development, Payment Processing, Software Architecture, Web Development)

Project: Next-Generation Mobile Racing Game (Ultra-Modern, 2026+) I am looking for an experienced mobile game developer or game studio to build a next-generation car racing game inspired by fast-paced... (Budget: $100 - $450 USD, Jobs: 3D Animation, 3D Modelling, Android, Game Development, iPhone, Java, Unity, Unity 3D, Unreal Engine)

I need a straightforward Android productivity app focused purely on task management. The idea is to give users a clean, lightweight way to create, edit, and track their tasks on the go, without the clutter of calendars or note-taking modules... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, Android Studio, Java, Kotlin, Mobile App Development, PHP, Software Development)

I need a straightforward Android application that lets my customers send money to me by bank transfer. After signing up or logging in with the classic username-and-password flow, a user should be able... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, API Integration, Java, Kotlin, Mobile App Development, REST API, Software Architecture)

Job Title: Playwright Automation Engineer (Java) – Setup & Framework Implementation Job Description: 1.We are looking for an experienced Playwright Automation Engineer (Java) to set up and implement an automation testing framework for our product... (Budget: ₹400 - ₹750 INR, Jobs: Automation, CI/CD, Git, Java, JavaScript, JUnit, Selenium, Software Architecture, Software Testing, Test Automation)

WebRTC Call Recording Issues in Desktop Dialer (JsSIP) We are working on a desktop VoIP dialer built using JsSIP and WebRTC and are facing multiple issues related to audio call recording that need to be analyzed and fixed... (Budget: ₹750 - ₹1250 INR, Jobs: Android, Asterisk PBX, Audio Processing, Desktop Application, Java, Software Development, VoIP, Web Development, WebRTC)

I’m looking for an experienced mobile developer to build a brand-new Android application from the ground up. The core idea is defined and the UI flow is sketched, but I need you to turn those concepts into a fully functioning app that runs smoothly on current Android versions... (Budget: ₹750 - ₹1250 INR, Jobs: Android, Android App Development, Android Studio, Java, Kotlin, Mobile App Development, Mobile Development, User Interface / IA)

Title Microsoft Outlook / Graph API Developer for AI-Assisted Email Drafting Tool Description I am building a private productivity application that integrates with Microsoft 365 and uses modern language models to assist in generating email drafts... (Budget: $1500 - $3000 USD, Jobs: AI Development, Backend Development, C# Programming, Java, LLM Integration, Microsoft Graph, Microsoft Outlook, OAuth, Python, Software Architecture)

Please read carefully for full consideration DO NOT POST QUESTIONS TO BOARD THEY WILL BE IGNORED There is a technical document if you would like consideration please fill out document alon with your bid... (Budget: $500 - $1260 USD, Jobs: API, Automation, C Programming, Java, OAuth, Python, Risk Management, Software Architecture)

I’m ready to move beyond notebooks and actually ship models, but I’d like to do it the right way, step by step, with an expert by my side. My stack of choice is Python, and we’ll be working on Google Cloud... (Budget: $15 - $25 USD, Jobs: CI/CD, FastAPI, Flask, Java, Machine Learning (ML), Python, REST API, Software Architecture)

I'm looking for an experienced mobile app developer to build a social networking application for Android. Key Requirements: - Design and develop an intuitive and engaging user interface - Implement secure... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, API Integration, Java, Mobile App Development, UI / User Interface, User Experience Research, User Interface / IA)

I’ve just finished deploying a new Android mobile application and everything appeared to go smoothly—until I tried to launch it. Right after installation the app attempts to talk to the backend and immediately throws a server error... (Budget: ₹600 - ₹1000 INR, Jobs: Android, API, Backend Development, Debugging, Java, Linux, Mobile App Development, Node.js, PHP, Software Development)

I’ve just finished deploying a new Android mobile application and everything appeared to go smoothly—until I tried to launch it. Right after installation the app attempts to talk to the backend and immediately throws a server error... (Budget: ₹600 - ₹1000 INR, Jobs: Android, API, Backend Development, Debugging, Java, Linux, Mobile App Development, Node.js, PHP, Software Development)

The project is to build a Python-based bot that trades equities on NYSE, NASDAQ, and AMEX. It must run end-to-end without manual intervention: gathering live market data, analysing it in real time, placing orders, and continuously enforcing risk limits... (Budget: $30 - $250 USD, Jobs: API, Data Analysis, Java, Machine Learning (ML), NumPy, PHP, Python, Software Architecture)

My Android Studio Java app is still targeting API 34 and I need it fully brought up to API 36. Alongside the version bump, I want the codebase tightened so it runs more efficiently and the overall look refreshed with a modern theme... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Android Studio, API Development, Java, Mobile App Development, Mobile Development)

I’m kicking off the development of a brand-new enterprise application and I want it built with the latest version of Angular from day one. The project starts with a clean slate, so you’ll have full control over the architecture, folder structure, and tooling choices... (Budget: $250 - $750 USD, Jobs: Angular, AngularJS, API Development, CI/CD, HTML5, Java, JavaScript, RESTful)

I need a computer-based psychology task developed, specifically the thinking tasks and Posner cueing task. The tasks should measure attention and reaction time. Requirements: - Develop thinking tasks... (Budget: £90 - £260 GBP, Jobs: Data Analysis, Java, Psychology, Python, Research Writing, Software Development, Technical Writing, User Experience Research, User Interface / IA)