Java for backend development jobs

I'm in need of a skilled w...Shopping Cart: The shopping cart should be user-friendly and easily accessible throughout the website. - Payment Gateway: The website should have a secure and reliable payment gateway, (fincra ) MTN Mobile Money Ghana. Product Types: I intend to sell both physical and digital products, so the website should be able to handle both. Ideal Skills and Experience: - Proficiency in e-commerce web development, with a strong portfolio of previous projects. - Experience in integrating and managing different payment gateways. - Familiarity with both physical and digital product sales is a plus. If you are confident in your ability to deliver a high-quality, functional e-commerce website that meets these requirements, I would love to discuss the project wi...

I am in need of a proficient individual Java developer who has a solid understanding and experience with Java Netty framework. The primary goal of this project is real-time data processing and the candidate should have extensive experience in dealing with high volume TCP connections and socket management. Key Responsibilities: - The primary task will be real-time data processing. - Handling high volume of TCP connections efficiently. - Proficient socket management. - Ensuring the stability and reliability of the system under high data volume processing. Ideal Skills and Experience: - Expert level of experience with Java Netty framework. - Proven track record in handling high volume TCP connections. - Previous experience in real-time data processing systems. - Strong ...

... The goal is to create a dynamic frontend and backend system that allows seamless communication between the school, students, and parents. The ideal candidate will have expertise in Laravel, MySQL, and Firebase technologies. Responsibilities: Customize the school SaaS ERP control panel to integrate WhatsApp and inbox SMS APIs. Develop a dynamic frontend interface for easy navigation and user interaction. Implement backend functionalities to manage message sending, delivery, and history tracking. Ensure smooth integration with existing databases and systems. Create a secure authentication system for users accessing the platform. Test the system thoroughly to identify and fix any bugs or issues. Provide documentation and training materials for administ...

... The goal is to create a dynamic frontend and backend system that allows seamless communication between the school, students, and parents. The ideal candidate will have expertise in Laravel, MySQL, and Firebase technologies. Responsibilities: Customize the school SaaS ERP control panel to integrate WhatsApp and inbox SMS APIs. Develop a dynamic frontend interface for easy navigation and user interaction. Implement backend functionalities to manage message sending, delivery, and history tracking. Ensure smooth integration with existing databases and systems. Create a secure authentication system for users accessing the platform. Test the system thoroughly to identify and fix any bugs or issues. Provide documentation and training materials for administ...

I am on the hunt for a skilled PHP developer with a concentration in backend and web development. Key Responsibilities: - You'll be primarily responsible for database integration. - I'd appreciate your expertise in API development. - You will work on user authentication on the new website/application. Ideal candidate should have: - Proficiency in PHP for backend development. - Proven experience in web development. - Skilled in database integration, API development, and user authentication. We are setting up a brand-new website/application and would welcome proposals from those who have handled similar projects in the past. Eager to build a robust and seamless application together.

I'm in need of an experienced Flutter Developer who can craft a comprehensive mobile application. The app should be compatible with both Android and iOS systems. Requirements: - Develop a logistic...services. It should include features such as route optimization, real-time tracking, delivery scheduling, and scanning capabilities. Skills & Experience: - Proficiency in Flutter: The candidate should be well-versed in Flutter development to ensure a seamless and efficient app. - Previous Experience: An ideal candidate should have a strong track record of developing similar applications. - Strong understanding of logistics: Knowledge of logistics and delivery processes is a plus as it will help in designing an efficient app. If you think you are the right fit for this ...

I'm seeking a proficient developer to build a comprehensive demo or starter code integrating Snowflake and Kafka using AWS cloud. The ideal candidate should have deep understanding of concepts such as: - Data ingestion - Data transformation - Data storage and retrieval The code should ensure: - Optimal...a comprehensive demo or starter code integrating Snowflake and Kafka using AWS cloud. The ideal candidate should have deep understanding of concepts such as: - Data ingestion - Data transformation - Data storage and retrieval The code should ensure: - Optimal performance - Scalability - Security The code can be written in Python or Java. In-depth knowledge of these languages, as well as experience with Snowflake and Kafka integration, is a necessity for a successfu...

I need assistance in troubleshooting Microsoft Forms. I seek expertise to address some issues such as: - Implementing change in policy - Including a feature for manager approval - Alternate locations for form storage These changes should seamlessly integrate with the previous setting without hampering the current operations. Not having a specific deadline leaves room for discussion around timeframes. Ideally, I am looking for someone with a deep understanding of Microsoft Form's backend, who has prior experience modifying existing structures. They should have a knack for problem-solving and a robust ability in implementing changes to digital tools without data loss or structure disruption.

I'm currently seeking a highly experienced data scientist for applying machine learning techniques on a complex dataset. As a skilled professional, you'll be involved in: - Preprocessing and cleaning of data to remove any inconsistencies. - Conducting exploratory data analysis to unveil hidden patterns and correlations. - Selecting the right machine learning model and evaluating its performance over time. For this project, in-depth knowledge in Python and strong statistical background are highly desirable. Familiarity with supervised machine learning models is a key requirement as well.

For this project, I need a highly skilled game developer with extensive knowledge and experience in Solana blockchain technology. This project entails creating a platform game with a gambling mechanic. Key Requirements: - Development of a small platform game with gambling mechanics. - The central mechanic of the game should revolve around 'Winning Virtual Currency or Tokens'. - The virtual currency or tokens won in the game should have real-world value in the form of cryptocurrency. - Familiarity with Solana blockchain technology is a must, for the integration of the virtual currency. Ideal Abilities: - Excellent skills in blockchain technology, particularly Solana. - Proven track record in game development, specifically platform games with incorp...

I have a web-app for teachers and I want to make a mobile app to access the same features on the go. I have an API ready and designs, I would like someone to make these screens (pixel perfect) as quickly as possibly) either natively or in a cross-platform framework for Android and iOS. Please take a look at the current designs in Figma: ...and give me a quote for how long it would take for you to re-create these screens, closely matching the designs, with no functionality yet, just the designs.

Looking for php/mysql developer to integrate discount coupon backend into admin panel. Straight forward. The admin panel is already working with a mobile app. We need to add that functionalitiy so we can later integrate it on mobile app

...various data sources. Programming Languages: Demonstrate proficiency in Java and C#. Your code is not just functional but elegant. Team Leadership: As a seasoned engineer, you’ll mentor junior team members, foster collaboration, and drive technical excellence. Cloud Solutions: Familiarity with Azure or AWS is essential. You’ll architect, deploy, and manage cloud-based solutions. Data Import Strategy: Devise a robust strategy for importing data efficiently, ensuring data quality, and maintaining performance. Collaboration: Work closely with cross-functional teams, including data scientists, analysts, and product managers. Requirements Participate in a team-based Agile Scrum Environment: Supports design, development, implementation, and maintenance of ...

I want to Build an Android app where Shop owner can register and can create invoice and print the invoices through tharmal printer. I need someone who have knowledge on Billing can bid here. Send me complete details what feture you can provide me, Backend on Codeigniter 4

...creator of a backend designed with Microservices, I am currently seeking an experienced professional with proficiency in Node.js ( Framework) to comprehensively review my backend code. Key Responsibilities: - Inspect and evaluate the data handling and database management of my application. Any proposed modifications should aim at promoting the efficiency and performance of data flow within it. - Scrutinize the security implementation for potential vulnerabilities. Recommendations for enhancements should be accompanying any identified weak points. - Critically assess the performance and efficiency of the present code and propose changes that will render the backend of my application more effectively. Ideal Skills and Experience: - Extensive experi...

I want to build a chrome extension for whatsapp msg

I'm looking for a skilled web developer to create a professional and engaging website for my fire and electrical services business. The main purpose of the website will be to inform visitors about the services my business offers, promote my services effectively, and provide an easy to use online contact form. The main services my business offers include fire extinguisher installation, electrical wiring and installation, and fire alarm system maintenance. To reflect the professionalism and reliability of my business, the website's design should be clean, modern, and easy to navigate. I'm looking for a design that is both aesthetically appealing and conducive to informing users about the various services we offer. The ideal candidate will have a st...

I'm seeking a versatile Mobile App developer, ideally fluent in developing for both iOS and Android systems. This app should serve to provide a high-end shopping experience for our existing E-commerce business, which primarily involves selling products. The app development must include the following features: - A comprehensive product catalog. - User account creation and login features. - A secured payment gateway integration. - Seller profile creation and management. An excellent grasp on user interface design and prior experience in E-commerce app development will be crucial for this project. The end result should be an app that not only promotes our brand but serves as an efficient medium for selling our products.

As Pricing Strategy Manager, my focus is on enhancing revenue for my business through strategic pricing. Your role will be to craft and implement pricing strategies that align with our specific business objectives and market dynamics. Key Responsibilities: - Develop strategies that are designed to increase revenue. - Ensure that the pricing strategies are competitive, offering value to our target market. - Collaborate with other teams to understand the business needs and market trends. - Regularly analyze and review the effectiveness of the implemented strategies. Your work will directly impact our company's profit margins and market share, and your success will be measured by the revenue growth we see as a result of your pricing strategies. Ideal Skills and Experience: - P...

I'm looking for a skilled business developer who can assist in turning my idea for a brain computer interface device into a marketable product. Key Requirements: - **Market Research**: You'll need to conduct thorough market research to understand the competitive landscape and identify potential target markets. - **Business Development**: Leveraging your experience, guide me through the process of transforming the idea into an actual product. - **Wireless Connectivity & Real-time Data Analysis**: The device should have these features to cater to gamers, individuals with disabilities, and consumers interested in brain health. Ideal Skills: - Proven track record in business development, especially in tech-related products. - Market research expe...

I am looking for an exceptional web developer who can create an informational website aimed at the general public. I have all the necessary content available, and I need someone who can perfectly input this content into a sleek, easy-to-navigate design that will engage and inform users. Ideally, looking for someone to create a wordpress website. Ideal skills and experience: * Proficient in HTML, CSS, JavaScript or relevant programming languages * Experience in designing and developing websites with a clear and engaging interface * Strong comprehension of UI/UX design, making sure the website is user-friendly for the general public * Proven track record in efficient project delivery * Ability to adhere strictly to my branding and design guidelines. Lastly, I need y...

For this project, I'm needing a well-rounded expert proficient in both Xano and Adalo platforms. Here are the specific functionalities to be focused on: Xano: - Database setup: We aim to have a foolproof data structure. - API endpoint creation: For smooth communication and data transfer. - User authentication: To protect user privacy and retain trustworthiness. - UI/UX: Must be user-friendly and intuitive. Adalo: - User interface design: Needs to be visually appealing and easy-to-use. - App navigation setup: To ensure a smooth user journey. - Data integration: Must ensure seamless data sharing and retrieval. Ideal freelancers are those who have proficient experience both in Xano and Adalo with prominent skills in database setup, API endpoint creation, user authenticat...

...as a tool for registered companies to interact with their customers. Key Features: - Options menu: The chatbot must provide the options menu, and a limit of queries to exit the chatbot and transfer the advisor. - Invoiced amount query: The chatbot must provide users with a simple way to find out the amount owed and due date. - Consultation of the user profile: The chatbot must respond to the contracted profile. - Spanish Support: The chatbot needs to be capable of interacting with users in spanish - Company Management: The ability to enable, disable, or delete companies from using the chatbot should also be integrated. Ideal Skills: - Proficiency in chatbot development. - Experience with integration with Mikrowisp or similar systems. - Proficiency in backend syst...

...creation of a high-performing Payment Portal Management System with a deadline of May 14, 2024. Candidate must be competent in Github and have fluent communication skills in either English or Chinese. All user and transaction data will be generated using random data for development purposes. The existing database structure and design are mostly completed, and the current source code will be provided to facilitate seamless continuation of development. Project Details: Payment Management Portal The project entails the development of a comprehensive payment management portal with three key roles: User: Users can have multiple companies, and each company can have multiple stores. Users should have access to view all payment transactions, received payments, ref...

I'm looking to create an application using NoCode development tools, specifically Bubble and FlutterFlow. The core features I need developed are: - User Authentication: This will be based on an email and password login system. The focus should be on ensuring user credentials are securely handled and stored. Experience with implementing this in a NoCode environment is a must. - Database Integration: The project will make use of an SQL Server. The freelancer should be able to efficiently integrate and manage an SQL Server database with the NoCode tools. Previous experience with SQL Server is required. - We need to integrate some process, after all, we need to implement the solution in Azure. In summary, I'm looking for a freelancer who is skilled with NoCode ...

I'm looking for a talented coder proficient in C# to develop a custom Volume indicator on the NinjaTrader platform. Key requirements and details: - Proficient in C#: You should have a strong understanding of C# language. - NinjaTrader platform: Prior experience working with NinjaTrader is highly preferred. - Indicator type: The focus will be on creating a Volume indicator for the platform. Your role in this project will be to convert the volume indicator to the NinjaTrader platform using C#. If you have prior experience in similar indicator development and are comfortable with C# and the NinjaTrader platform, I would love to hear from you.

...resources. The website should be able to cater to these different audience needs with simple navigation and clear communication of the services offered. Ideal Skillset: - An ideal candidate would be well-versed in creating professional, clear, and engaging websites. Proficiency in UI/UX design, graphic design and understanding of audience segmentation is a must. Experience with creating websites for educational or training organizations will be highly regarded. Please review the pdf document attached. The design theme must be Aboriginal Australian, please research....

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I'm looking for an experienced Angular developer to assist with the development of a complex application. Key tasks include frontend development, custom animations, and state management. Specific requirements involve integration with various external services and APIs, including social media, payment gateways, and custom backend services. Ideal Skills: - Proficiency in Angular - Extensive experience in building complex applications - Expertise in custom animations and state management - Proven track record in integrating various external services and APIs Experience: - At least 2 years of Angular development - Experience working on projects with similar complexity - Prior work involving social media APIs, payment gateways, and custom backend...

I am looking for an experienced app developer to create an intuitive, user-friendly app for Android and Web platforms. The key features of the app should include: - User registration - Tour package search - Direct booking and payment processing - A platform for clients to leave reviews and ratings - A function allowing users to customize their own tour packages For the payment system, I require integration of credit/debit card processes, direct bank transfers, and a secure Gateway transaction method. Your expertise in the development of similar apps, payment system integration, and user experience design will be crucial for this project's success. Knowledge in the travel and tourism industry is a plus.

I'm looking to set up an online store where I can sell unique physical goods. I will not need to manage inventory as each item is distinct. The website should be equipped to handle credit card a...can sell unique physical goods. I will not need to manage inventory as each item is distinct. The website should be equipped to handle credit card and PayPal transactions. Key requirements: - Develop an e-commerce website that can handle unique, physical products. - Implement a user-friendly interface for easy browsing and purchase. - Ensure secure payment gateways for credit card and PayPal transactions. Ideal skills for this project include: - Proficiency in e-commerce website development. - Experience with unique inventory management systems. - Knowledge of...

I need a database where we can store our sales transactions. The database will be manually updated by our staff. I would also like to have reports generated on our sales. Key Requirements: - Develop a database to store sales transactions - Enable manual data entry by staff - Implement a reporting system that can generate sales reports Ideal Skills: - Proficiency in database development - Experience with manual data input systems - Ability to create custom reporting features Please provide examples of previous similar projects you've worked on.

I am about to start a Copywriting Business, and I wanted help setting up a Website to market my services. - I am completely fine with using a template - I will write the copy - I want the website to be easy to customize and change over time - I want complete control over the backend - I'm open to using WordPress, Ghost or any other CMS that makes sense.

...e-commerce websites into one platform while maintaining separate branding on individual storefronts. Migrate to Shopify or another cloud-based platform like Webflow. Not interested in migrating into WooCommerce. The new website should share one backend with a shared inventory, but the two should cater to two different websites each with - own branding - own URL - own mailing list (mail chimp or native to platform) Key tasks include: - Migrating existing sites built on Shopify and Woocommerce into one site - either Shopify or Webflow - Implementing a shared backend inventory across the two storefronts, supplemented by individual branding and mailing lists. - We want option to select which products will be displayed in which store. (most of the products will be visible in...

* iOS & Android (phone + tablet) * Web Admin Dashboard (Used to create learning app) * Web Customer Dashboard to access flash cards from web browser * Mobil...Dashboard to access flash cards from web browser * Mobile Responsive * This will be a learning app * Flash card, It will have Images + Audio + Text to learn new words (thousands of total words) * Flashcard will have 2-3 art styles (Realistic, Cartoon Art, 3d Art) * Flashcard will have 2 voice over, male & female * Ability to handle stripe processing for each flashcard set. If you have experience + past work in this area, it's a plus * I'm open for new ideas from you when applying * $ released on successful test and is bug free * I will need source code upon payment * Please type "I've rea...

...focusing on digital goods and services. The project entails building three main sectors: Front-end Development: Implement user authentication, service listing, and seamless communication with the backend via API. Supplier Backend: Develop functionalities for suppliers to manage products, process orders, and handle cancellations efficiently. Admin Backend: Construct a robust admin panel to oversee order processing, site settings, and overall platform management. System Overview: Showcase popular services through a slider on the front end, adjustable by the admin. Customize service display based on date, name, or cost, with admin control. Implement a commission structure for admin's revenue, configurable via the...

I am in need of an expert in Android application development for a commercial grocery shop app. The freelancer should have substantial background in Android app development. The app needs to be user-friendly and engaging. Key Requirements: - Ability to develop an Android app from scratch - Proficient in Java or Kotlin - Familiarity with Android SDK and Android Studio Please detail your experience with Android development in your bid, it would heavily influence my decision. Looking forward to having an experienced professional developer on board!

...seasoned game developer to bring my low poly fantasy RPG game concept to life. This game will primarily be for PC and Console platforms. Key Components: - The game will be rooted in a low poly fantasy world, attaching a unique aesthetic charm and feel to the game's environment and characters. - The gaming experience should focus on puzzling quests that challenge the player's problem solving abilities. - An element of exploration and treasure discovery must be integrated, keeping the game intriguing and engaging. - The combat system, while not the focus, should still be developed, keeping in line with the fantasy theme. Ideal Skills: - Proven experience in PC and Console RPG game development - Excellent understanding and application of low poly design - Prior ...

...colour prediction game, primarily for entertainment purposes. I envision a game with an attractive cartoon-style aesthetic that is fun and vibrant yet user-friendly. Key Features Needed: - Implement Leaderboards: This requires creating a competitive environment for players where they can compare their scores and achievements with other players. Ideally, the leaderboard should be dynamic, updating in real-time, and easy for players to understand and navigate. Ideal Skills/Experience: - Laravel PHP Framework: Proficient skills and experience in Laravel development will be essential for this project. - Game Design: Experience in engaging game development, particularly in creating colour prediction games, is agreed. - Cartoon-style Graphic Design...

...experienced WordPress developer to create a custom user profile management system for my franchise. This system is intended for internal use only and will not be accessible to the users themselves. The primary function is to help me manage and consult detailed records of investors, similar to handling personal files. Requirements: Plugin Installation and Setup: Install and configure one or more suitable WordPress plugins that allow the creation of custom fields and profiles in the admin backend. Custom Fields for Detailed Information: The ability to add custom fields to user profiles is essential. These fields should include but are not limited to personal information, investment history, contact details, etc. Backend Management: The system should be...

We need few customizations done for Perfex CRM and Custom Module Development for Perfex CRM. If you have experience in creating custom modules or customizing core of Perfex CRM, then you'll easily understand requirements. I have a detailed list of features I need developed, I'll share that document with those who are shortlisted for this project. You must mention "Dell" in the proposal in order to be noticed. Here is a brief for List of Features. 1. Invoice Currency Conversion using API and storing conversion rate in the database with date 2. Storing invoice value in base currency that is calculated based on conversion rate in the database so the total revenue is correct. 3. Invoice Custom Field Behavior changing, width of dropd...

...looking for a capable .NET developer to create a WebAPI using the Visual Studio template "WebApi Net core (Minimal api)". It needs to have Authentication and Authorization in place, using the X-API-Key. Key Requirements: - Authentication and Authorization: You need to enable X-API-Key based authentication and authorization for this WebAPI. - Data Model: The WebAPI will manage a simple 'City' table, performing basic CRUD operations. Expectations: - The X-API-Key should be hardcoded in the application. - The WebAPI should be developed using .NET 8.0 and the Visual Studio template "WebApi Net core (Minimal api)". - Data access should be implemented using EFCore. - Authorization should be handled through middleware. Ideal Skills and Experie...

I'm s...developer proficient in both front-end and back-end development to tackle an exciting project. This opportunity involves creating an efficient, user-friendly e-commerce website tailored to my needs and preferences. Key Responsibilities: - Developing a robust e-commerce website on WooCommerce platform. - Efficiently handling both front-end and back-end tasks. Skills and Experience: - Proven experience in developing WooCommerce websites. - Strong skills in front-end and back-end development. - Comprehensive knowledge in database management would be a bonus, although not required. Your expertise will play a vital role in making the e-commerce platform both visually appealing and easy to navigate, providing a seamless shopping experience for our customers. ...

...payment gateway for seamless transactions. - **Battles Game Functionality:** The platform should offer one-on-one battles between users, multiplayer battles, and AI-controlled battles. - **Rewards Opening and Functionality:** Users should be able to open rewards, primarily in the form of virtual goods. - **Admin Panel:** The backend should include functionalities like authentication, a comprehensive dashboard, user listing, transaction management, KYC (Know Your Customer) compliance, and detailed reports. Ideal Candidate: - Proficient in implementing complex gaming functionalities. - Experienced in integrating secure payment gateways. - Skilled in developing an engaging user experience. - Proficient in developing and managing an admin panel. The project is a perfect fit ...

I have a web application build in Angular. In this application i also want to gather real-time score data from football games, providing dynamic updates to users. And send noti...this application i also want to gather real-time score data from football games, providing dynamic updates to users. And send notifications when goals are made. Key Features Required: - Robust scraping solution to ensure constant, consistent live score updates - User-friendly interface showcasing live scores in a digestible manner Ideal Skills and Experience: - Proficient in Angular-related development - Previous experience with web scraping technologies - Familiarity with designing user-friendly web interfaces - Excellent problem-solving skills to ensure the smooth delivery of live data updates and noti...

...thank you for using this card you will be redirected in a few seconds. 3. Once they log in they can create a digital profile page something along the lines of this repo on github enbizcard. They generate html files and is not easy to edit any details. In this site if the user comes back to edit any details they need to create the profile from the scratch. i want the details to be editable at any point of time. Once the profile is created it would be available for public access on a url like No body but the logged in user can only be allowed to edit the profile. 4. I want the usersite In url to be a hash value of the user and not the username as it would be a vulnerablility by which anyone can access anyones profile and view their data. It would be shortened for t...

I'm seeking a PCI Qualified Security Assessor (QSA) Expert who can assist me with ensuring that my mobile app meets the necessary security standards for payment processing. The app is developed for both iOS and Android platforms, with the primary function being payment processing. Ideal skills for this project include: - Experience in achieving PCI DSS compliance requirements & QSA certification for mobile applications. - Strong background in mobile app development, particularly Android - Previous experience with payment processing apps - Excellent communication and documentation skills - Proficient in the development of secure mobile applications that process financial transactions - Certified QSA (Qualified Security Assessor) PCI level...

We are seeking a skilled and experienced java developer to create a custom JMeter backend listener that can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seamless integration of JMeter results into our PostgreSQL environment, similar to existing solutions for MySQL like the one found at "" Requirements: Proven experience with Java programming and JMeter test development. Strong knowledge of PostgreSQL and experience in integrating it with Java applications. Familiarity with the JMeter API and backend listener framework

I need a skilled WordPress developer to create a company information website as soon as possible. The site should be designed to showcase the following elements: - **About Us**: A compelling and comprehensive write-up about our company's history, mission, and values. - **Contact Information**: This should be prominently disp...our location, email, and phone number. - **Products and Certifications**: A section detailing our products and services, as well as any relevant certifications or quality standards we adhere to. The website should have a professional and modern design, reflecting our brand identity. It should be easy to navigate and mobile responsive. The ideal candidate will have a good eye for design, experience in WordPress development, and a strong portfolio ...