Java projects backend jobs

I'm looking for several experienced frontend / backend / full stack developers to work on new features of an established resource scheduling SAAS. I started the company more than 10 years ago and am looking for more assistance to build features that our customers are asking for. Our stack is made up of several containers including a PHP web / api backend, several Node.JS workers, MySQL, Memcached, Redis Pub/Sub and an ES6 Vanilla JS front end. Our development environment is provisioned via Docker, so experience with containers and running Docker is essential. Some examples of projects you'll be working on are: - Creating a front end Javascript time tracking tool from scratch using a Figma design - Setting up a locale system for our front end javascript - ...

We propose to develop a comprehensive Membership Card Management System to facilitate seamless interaction between customers and ven...vendors/partners, and customers. Push notifications and communication channels. Platforms: Web-based platform for administrators, vendors/partners, and customer registration with a Landing Page. Mobile applications for iOS and Android devices. Technologies The development will leverage the following technologies: Backend Development: Node.js, Java, Python, PHP Frontend Development: HTML/CSS, JavaScript (React.js, Angular, or Vue.js) Mobile App Development: Swift (iOS), Kotlin/Java (Android) React Native or Flutter Database: Firebase & MySQL or PostgreSQL Other tools and frameworks as necessary Notification Services: Google FCM ...

Necesitamos un maquetador que nos apoye con la creación y/o modificación de nuevas pantallas y ajustes en codigo html, css y java script con jquery. Indispensable experiencia manejando el codigo Liquid Template en Shopify, es importante mostrar portafolio comprobable. Interesados favor de postularse por este medio, gracias.

I will do the backend stuff quickly for you.

...frontend and backend components. The backend will consist of APIs to handle event generation and management, while the frontend will include a GUI for easy interaction with the system. Proposed Solution: Backend Development: Using Flask, we will create APIs to handle event generation, storage, and retrieval. This includes integrating additional event modules and modifying the faker_events program to meet the new requirements. Frontend Development: Leveraging React, we will design and implement a user-friendly GUI. The GUI will allow users to select the type and number of events to generate, choose the destination folder for event storage, and simultaneously generate multiple types of events. Integration: We will ensure seamless communication between the frontend...

I need assistance in developing an admin panel to help me streamline the management of my online business. This is a focused project, with emphasis on specific features, including: - Work Managem...my business's financial performance. To this end, capabilities for sales reporting and revenue forecasting need to be built into the panel. - Customer behavior insights: By understanding my customers better, I can make more astute business decisions. Analysis of customer behavior should feature in the panel’s functionalities. Ideal freelancers for this project will have a strong background in backend development with a clear understanding of business analytics and CRM system development. Robust experience in data tracking, metrics gathering and forecasting technologies will b...

Mobile Application Architecture and Technology Stack Freelancer Needed Description We are seeking a skilled and experienced freelancer to help us design the architecture and select the appropriate technology stack for our upcoming mobile application project. As we embark on this exciting journey, we need someone who can provide expert guidance and deliver a robust solution tailored to our needs. Responsibilities • Collaborate with our team to understand project requirements and objectives • Design the overall architecture of the mobile application, ensuring scalability, security, and performance • Recommend the most suitable technology stack based on project requirements, including programming languages, frameworks, libraries, and databases • Provide insights in...

Develop an Android app that will continuously (regular intervals) collect Cellular and WiFi information WiFi: SSID – name of access point BSSID – MAC address of access point Capabilities – describes authentication, key management, encryption schemes supported by access point Center Frequency – center frequency access point is operating on Channel Width – access point channel width i.e. 20 MHz, 40 MHz etc. Develop an Android app that will continuously (regular intervals) collect Cellular and WiFi information Cellular: RSSI – Received Signal Strength Indicator in dBm [-113, -51] Cell Identity – cell identity code Cell bandwidth – bandwidth of cellular channel Mobile Network Code – 2 or 3-digit Mobile Network Code

Developer will be working on few backend features for our existing unity 3d project(need to be submitted in few hrs)

...authentication and phone verification to ensure a secure environment - Push notifications and in-app purchases capabilities - Messaging platform featuring text-based chat with auto translate in English and Spanish, built with language auto-detection - Job posting functionality where users can post and search for jobs - An internal resume builder for users to create and showcase their resumes. The backend should involve a database with Firebase while the new code is on the wallet side should be built with a payment processor-Stripe. Front-end designs are already available and need to be implemented. Ideal Skills for this project: - Proficiency in Python, Kivy, and Firebase - Experience with building job posting applications - Stripe integration experience - Development of mult...

...Smart Contract and Backend Developer Job Description: We are seeking a talented and experienced Mid-Level Smart Contract and Backend Developer with expertise in , , Solidity, Node.js, Hardhat, and Foundry to join our dynamic team. As a key member of our blockchain development team, you will be responsible for designing, implementing, and maintaining smart contracts and backend systems to support our decentralized applications (dApps) and blockchain-based solutions. Responsibilities: Develop and deploy smart contracts on EVM blockchain platforms, ensuring security, efficiency, and reliability. Collaborate with the frontend development team to integrate smart contracts with user interfaces and ensure seamless user experiences. Design and implement backend s...

Hi there, I am looking to hire a developer with great experienced with Objective-C (iOS) and Java (Android). Right now, I have an existing Android (Java) app and I need the following features/changes added in the app. See the attached text file. More details will be given via PM or to winning bidder. If I'm satisfied with your work and we work great together, I would like to hire you again for another project. This another project is an iOS/Android app (same app with different source code -- Objective-C/Java). I also need some new features added in this app. This will be a bigger project. For now, please bid and focus on the first project. Thanks

My name is Roberto I need to find a profile in Java to develop modifications to a payment system that is already deployed, you have to change to another format according to the manual of your apirest in Redsys,

...Experience: - Proficiency in Python and C++ programming. - Solid experience in web development using Python. - Understanding of C++, particularly for backend support would be a plus. - Proven delivery of responsive website design. Key Features and Extras: - The end result must be a responsive website design, with flawless functionality regardless of the device size or type. - Being able to recommend and implement methods for speed optimization and website performance is a bonus. - Understanding of best practices for web standards and web browser compatibility is a must. The candidate should provide examples of previous Python web development projects, especially those that involved utilization of C++. Experts in Python web development and C++ programming will be highly...

I'm currently having an issue with my WordPress site. Payments via PayPal are not getting through but have not made recent modifications, like insta...in both WordPress and PayPal integration to diagnose and rectify the problem. Ideal skills/experience: - Proven track record of successful PayPal integration on WordPress platforms - Ability to efficiently diagnose and fix payment processing issues - Experience in dealing with payment gateways and their potential issues - Excellent problem-solving - Familiarity with WordPress and its backend This task would strictly require to be done in a timely manner. So I would appreciate your estimated deadline along with the bid. I'm ready to work closely to provide any additional relevant information. Looking forward to ...

I'm looking for a Java developer to add functions to a Java Plugin for an open source software [ Sweet Home 3D ] ---> Key Responsibilities: - Add new functions to the existing plugin The ideal candidate should have: - Proficiency in Java development The project timeline is flexible. Please refer to attached and also:

We need an experienced Java Spring Boot developer to create a comprehensive school management ERP system. Not only will this system streamline all the primary functions like attendance tracking, gradebook, and student management, but also it fosters smooth communication with WhatsApp integration. Key Features: - Attendance Tracking: Monitor student attendance accurately. - Gradebook Management: Efficient record keeping of student grades. - Student Management: Handle student’s personal details, attendance records, academic performance, and discipline records systematically. - WhatsApp Integration: Facilitation of seamless communication among students, parents, and teachers. - Accounts Management: Ensure financial administrative tasks are transparent and organized. - Mobile App...

I'm looking for a skilled developer to create a mobile app that works on both iOS and Android. The app must contain the following features: - User authentication - OpenVPN integration - User activity reporting Ideal candidates should be proficient in Linux and scripting languages such as Bash Scripting. A background in mobile app development is essential. The design should be clean and minimalist. Please provide samples of your previous work and a detailed breakdown of your intended approach to this project.

Looking for a seasoned developer with strong expertise in AWS services including Amplify, Elastic Beanstalk, and Lambda. The primary responsibility for this role involves developing server side and collaborating with the front end team. Key requirements: - St...side and collaborating with the front end team. Key requirements: - Strong knowledge in Apache Maven for project management - Proficiency in git for effective source code management - Hands-on experience with AWS Amplify, Elastic Beanstalk, and Lambda - Proficient in Java for server-side development This project aims at enhancing efficiency in project management, streamlining source code management and optimizing AWS deployment. The ideal candidate should have strong experience in object oriented programming, specificall...

I'm in urgent need of assistance with backend operations for an ongoing project. Unfortunately, our needs are undefined as we skipped through the task details, preferred languages and frameworks and what successful application should include. So, if you're an expert in backend development, especially in database management, API development, and server configuration, consider yourself in the running. Required Skills & Experience: - Proven experience in backend development, particularly managing complex databases - Proficiency in API development - Expertise in server configuration - Though not specifically mentioned, having experience with Python, Node.js, and Ruby on Rails is a plus - Ability to provide detailed project proposals Take a look at the HTM...

I'm in need of a skilled full-stac...intelligence to dynamically engage users. It should provide insightful feedback, prompt smart questions and encourage consistent use. - Online Coaching Assistant: The AI should serve as an online coach, extensively supporting and facilitating the user's professional development. The application will be web-based. The developer should be experienced in both the front-end and back-end. Fluent in Python or Java, and able to integrate machine learning algorithms into the application. Knowledge in UI/UX design is highly appreciable due to the target audience being working professionals who appreciate an effective and appealing interface. The primary aim is to have an application that not only engages the user but also guides them towards ...

I'm in need of a CSS expert to assist with various PHP projects. - Ideal Skills: - Strong CSS skills - Experience working with PHP projects - Ability to improve user experience, enhance website functionality and optimize website performance are all key. Please bid if you can help me with this.

I'm looking for a skilled developer who can help me with a specific bug I'm experiencing in my Angular-Java Spring Boot project. The bug is causing an error message on page load, specifically a '400 Bad Request' error. Ideal Skills and Experience: - Strong proficiency in Angular and Java Spring Boot - Experience with debugging and resolving errors in web applications - Familiarity with HTTP error codes and Javascript console errors - Ability to work efficiently and communicate effectively Specifically, the task will involve: - Identifying the root cause of the '400 Bad Request' error - Implementing a fix to resolve the error message on page load - Testing to ensure the bug has been successfully resolved If you're confident in your ability...

...unique designs. Integrate a profit-sharing system, enabling customers to track their earnings and losses upon logging into their accounts. Create a promotional website platform, focusing on advertising rather than e-commerce. Requirements: Proven experience in web development, with expertise in programming languages such as HTML, CSS, JavaScript, and others as needed. Strong understanding of backend development, database management, and security protocols. Ability to translate client requirements into functional and visually appealing website features. Excellent communication skills and a collaborative mindset to work effectively within a team. If you're ready to take on the challenge of building a dynamic and innovative website with cutting-edge functionalities, we want to...

...quickly in the correct location under the image gallery and then disappears. Image 2 is when I select a variation. The model file is attached to the variation so when one is selected it should show but it doesn't. Image 3 is when I press the clear button to clear the variation selections when the View in AR button finally does show. The AR model is attributed to each variation in the plugin backend. Currently the View In AR button only appears once a variation is selected and then deselected. I need it to show as per Image 3 when a variation is selected under the image gallery. If it can show by default that would be great as it is the same model applied to each variation. This plugin only works on mobile. The fix cannot break any website functionality for example I have...

As the project lead, I’m seeking an intermediate-level Java developer who specializes in both object-oriented programming and Java frameworks. Key Requirements: - Proficiency in object-oriented programming. - Experience utilizing Java frameworks is paramount. - Specifically, I'am interested in individuals who have worked with the Spring Framework. I look forward to working with someone who can demonstrate this specific set of skills, and help drive this project forward. A sound understanding of the intermediate-level nuances of the Spring Framework is a must for the successful completion of this project.

I'm in need of a Selenium guru - someone who is skilled in writing scripts, regardless of the programming language -, Java, or JavaScript. The task is straightforward: copy data from one website to another.

I'm looking for a skilled and experienced professional to create a dynamic and interactive website for my company. The company is based on IT Sector and it a US company called VDL So...and online marketing strategies. Key requirements: - Develop a visually appealing and user-friendly e-commerce platform - Implement responsive design for optimal viewing across all devices - Incorporate SEO techniques to increase online visibility - Integration of secure payment gateways and advanced inventory management system -Should possess various skills such as PHP, Python, Frontend and Backend. Please submit your proposal along with your relevant past work and experience in building similar websites. The detailed project proposal is not compulsory, but appreciated. Looking forward to se...

We have developed a project in spring boot Java, and react js frontend with mysql db. The project is running successful in localhost. We need freelancer to connect our localhost software to digital ocean. I will only give digital ocean login and the freelancer need to make the project live on Digital ocean cloud. Everything must be done using Anydesk remote. Important: You must be available today to complete the task. Please note: I will consider the project completed, when the project will start running on domain with all functionality same as localhost connected. Please find the project description from the developer [[ Our application is built using Spring Boot for the backend and React for the frontend. The backend is running on port 8080 (HTTP) with Tomcat, ...

In the thick of a dynamic project that calls for a skilled Python specialist. The chosen professional will need to don multiple hats as their services will be utilized for: - Data scraping - Data analysis - Automation of repet...analysis - Automation of repetitive tasks With the source of data yet unspecified, it's necessary for the potential freelancer to be highly adaptable and prepared for a diverse range of data sources, including but not limited to: - Websites - Databases - APIs Although I've not dictated a specified programming language or framework for this project, Python is preferred. However, having knowledge of Java or C# could also be beneficial. Experience with data scraping and analysis, software automation, and developmental versatility are highly valu...

We are looking for React Native Developer who can support us for 8 hours/day from Mon- Friday Title: React Native Developer Experience: 6+ Yrs Contract (06 months) Hybrid (5 days/ months to office)- Mumbai Timings: 10.00 AM- 07.00 PM IST 3-4 years of relevant hands-on software engineering experience doing software design and development  Hands-on experience with b...tools, like XCode and Android Studio, and build/deployment automation.  Proficiency in mobile app architecture, design patterns, and best practices.  Advanced knowledge of state management libraries such as Redux, MobX, or similar.  Outstanding problem-solving skills and the ability to resolve complex technical issues.  Strong understanding of RESTful APIs, asynchronous programming, and backend integratio...

A simple system to predict football games' scores during Euro 2024 tournament. Frontent + Backend, repsonsive design to fit PC, phones and tablets. Details can be found in the attached description.

...Laravel developer to join my team. Your primary focus will be on creating and maintaining databases, software development, API's development, and backend development. Your responsibilities will include: - Developing new software features - Debugging and resolving issues to optimize the product - Growing our existing software base - Engaging in software testing as necessary Ideal skills and qualifications: - Proficiency in PHP, Laravel, and CI - At least 4 years of experience in PHP Laravel development - Exceptional problem-solving skills and attention to detail - Excellent team player with strong communication skills - Experience in API and backend development This project requires a high level of technical skill and a keen attention to detail. A suitable candida...

I require a java developer with specific skills in Android development, the Spring Framework and web services integration with significant experience in Telecom Value Added Service product development and billing integrations. To execute this job to maximum potential, the developer needs experience in data-based VAS product development. This project requires the creation of a data-based service that calls for knowledge in data analytics, visualization, and reporting. The chosen candidate will need to have a high understanding and professional experience in all of these areas.

...responsible for designing, implementing, and maintaining backend systems and APIs that power our virtual try-on application. Responsibilities: Collaborate with cross-functional teams to understand project requirements and translate them into technical specifications. Design, develop, and deploy robust backend systems and APIs using Python frameworks such as Django or Flask. Integrate third-party APIs and services to enhance functionality and features of the virtual try-on application. Optimize application performance and scalability through efficient code implementation and database management. Implement data security measures and ensure compliance with relevant regulations to safeguard user information. Conduct thorough testing and debugging of backend systems to ...

...candidate will have a strong background in backend development using Django, frontend development with React, payment gateway integration, and experience in implementing credit-based pay-as-you-go models. Additionally, proficiency in API development over cloud platforms like Azure is essential for this role. Key Responsibilities: * Collaborate with the development team and stakeholders to understand business requirements and translate them into technical solutions. * Design scalable, high-performance SAAS architecture that meets the needs of our platform and aligns with industry best practices. * Develop detailed technical specifications, including system architecture diagrams, data models, and API definitions. * Lead the implementation of backend solutions using Django, ...

I have a website developed in ReactJS and a backend in NodeJS. I also have a Python algorithm that I use for machine learning prediction and it's backend is in Flask. I am looking for an experienced developer who can integrate both sets of technologies. Ideal Skills: - Proficient in ReactJS and NodeJS - Experienced with Python's machine learning libraries - Comfortable working with Flask - Prior experience integrating different tech stacks Please only apply if you have previous experience in similar integrations.

...involves both technical development and creative input to produce high-quality educational materials. Responsibilities: * Convert WebGL content into mp4 video format. in front end or in backend (optional) * Ensure high-quality audio mixing and smooth visual transitions between scenes. * upload the result video to Youtube. * Provide creative input on video presentation and educational effectiveness. Ideal Skills and Experience: * Proficiency in JavaScript, with a strong understanding of its applications in video creation. * Experience with WebGL, specifically in creating video content from WebGL projects. * Strong video editing skills, particularly in relation to scene transitions and audio mixing. * Ability to work independently and in a team to meet project deadlines. *...

I am in need of a skilled web developer to create a Python-based website with HTML. The primary goal of this project is to design and build a website that can handle user registration and login. - I have a preference for Python and HTML for the backend and frontend respectively, but I am open to suggestions. - The website should be mobile responsive to ensure a seamless user experience across different devices. Ideal skills and experience: - Proficiency in Python and HTML - Previous experience with web development and user authentication - Knowledge of mobile responsive design techniques

I am urgently looking fo...looking for an Android developer to help me fix a critical bug in my app that causes it to crash on startup. The primary task for this project is to identify and resolve the issue causing the crash. The ideal candidate should have extensive experience in Android app development and troubleshooting, with a proven track record of solving similar critical bugs. Key requirements: - Proficient in Java and Android Studio - Strong understanding of Android app lifecycle - Ability to quickly identify and resolve critical bugs As this is an urgent project, I am looking for someone who can start immediately and provide a fast turnaround time. Please only apply if you meet all the requirements and can commit to working on this project full-time until the issue is...

More details: What type of payment gateway integration do you prefer? Razorpay Do you have any specific design or color preferences for the application? Vibrant colors Which cloud service provider do you prefer for hosting? Amazon Web Services (AWS)

I'm looking for a Java expert who can help me with two main aspects of my small-scale Java application. The tasks include debugging existing code and optimizing the performance of the application. The ideal candidate should be experienced in Java programming and be able to efficiently navigate through existing code to identify and fix bugs. Additionally, I'm looking for someone with a strong background in performance optimization who can enhance the efficiency of the application. Key requirements: - Strong debugging skills to identify and resolve issues in the existing Java code - Proficient in performance optimization techniques for Java applications - Experience working on small-scale Java projects - Excellent communication ski...

...Recommend nearby service providers based on the user's current location. User and Provider Review System: Allow users to rate services, and providers to respond to reviews. Payment Gateway Integration: Support various payment methods, including credit cards, PayPal Responsive Design: The website must be compatible with various devices and screen sizes. Back-end Administration System: Provide a robust backend system for service providers and platform administrators. Technical Requirements: Proficiency in WordPress, WooCommerce, and related multivendor plugins (e.g., Dokan, WC Vendors, or WCFM Marketplace). Experience in front-end development, including HTML, CSS, JavaScript, and responsive design. Experience with geolocation services integration. Experience with payment gat...

Hi Sohani .., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

As an online merchant with a specific vision, I'm seeking a highly efficient, skilled, and creative Shopify specialist to fully develop my online store. To be successful in this role, here are the tasks and skills needed: 1. e-Commerce Setup: - I will be selling physical products and need the freelancer's expertise to manage the initial setup. Knowledge of Shopify backend setup is a necessity. 2. Content Integration: - Full familiarity with integrating product descriptions, images, and other relevant content I'll provide into the store's interface. Strong attention to detail is a must. 3. Customized Storefront Theme & Design: - Ability to incorporate my chosen theme and design to perfectly reflect my brand's identity. Overseeing this direct...

NEED URGENT AND NEED TO START WORKING NOW I'm seeking an experienced Laravel developer to implement some small customizations on a legal management system. The main focus of the work will involve amending the documentation aspect of the system. The role involves: - Engaging in backend development - Handling API integration - Perfecting database management The ideal freelancer will be proficient in all these areas, with a strong preference for those who also have prior experience with legal management systems. If you can turn complex, specific requirements into a seamless user experience, this project is for you.

I am in need of a Java or php software developer to create a program that can generate and distribute discount codes within an app. Key Requirements: - Proficiency in Java programming - Experience in creating software for app distribution Your main task will involve creating a user-friendly interface for the software that can generate unique discount codes on a regular basis. This program should also be capable of distributing these codes within an app. Your ability to work with a team, communicate effectively, and adhere to deadlines will be crucial for the success of this project. Please respond with your relevant experience, a brief overview of your approach to this project, and an estimated timeline for completion.

Help needed! Looking to hire a developer with diverse skills immediately to help with several ongoing projects. The work includes but are not limited to: - Stripe integration (API) into SAAS, - Build Wordpress plugin to connect SAAS to Wordpress, - Update & Improve Javascript application, - Create new Javascript web application, - Build SEO tools, and more! - If you have game development experience, I could use your help with that too. I will pay you $400 / month for this work for as long as we’re working together (ongoing). This is my budget, if you need more, do not apply. Lots of work to do so you will be plenty busy! Need help immediately with: Stripe payment integration with SaaS - Finish setting up Saas charges a monthly or yearly fee to be on our p...

...involves generating engaging blog content using AI tools like ChatGPT, creating complementary visuals with AI imaging software, and managing the publication process on our website through a backend CMS. This position offers the potential for full-time engagement based on performance and project requirements. Responsibilities: Generate new blog posts by inputting article ideas into ChatGPT and refining the outputs to ensure high-quality content. Use AI imaging tools to create attractive and relevant images to accompany each article. Upload and format the final articles and images in our website’s backend CMS, ensuring they are ready for publication. Conduct basic SEO optimization for each article to enhance online visibility. Collaborate closely with the team to unde...

I'm seeking an experienced Android developer proficient in Java and Kotlin for my latest project. Your primary task will be to implement a language switch feature within the app. The app is already localized. Key Responsibilities: - Implement a multi-language support system within the app. - Ensure a seamless transition when switching between languages. Ideal Skills: - Strong expertise in Java and Kotlin. - Proven experience in developing multi-lingual android applications. - Excellent understanding of Android application architecture and APIs.