Desarrollador java freelance empleosdela

As a leading online learning platform, GUVI is in urgent need of an experienced Freelance Web-Flow Instructor. The ideal candidate will join our dynamic team and help prepare quality educational materials. This role focuses on: - Developing and designing Web-flow projects. - Making instructional videos. - Meeting set deadlines. Type: Freelance Mode: Remote Qualifications: - Mastery of Webflow, including its development and design capabilities. - 3+ years' experience in web development. - Excellent teaching skills with a knack for breaking down complex topics. - Able to start immediately. For those passionate about tech and eager to share their knowledge, this promises to be an enriching opportunity to shape the learning journey of our students while being competitive...

I'm seeking a skilled developer to execute the construction of a task management mobile app called "Taskify". Taskify is a mobile app designed to streamline task management. Users can create, organize, and track tasks effortlessly. Features include task creation, deadline alerts, priority management, and synchronization across devices. Skill Requirements: Proficiency in Java for Android app development Experience with Android SDK and XML for UI design Knowledge of SQLite for local data storage Understanding of notifications and background tasks Optional: RESTful API integration for cloud synchronization Optional: Firebase for user authentication and data backup Version control using Git for code management. - Primary Purpose: The key purpose of the Taskify app is ...

I need to design a web interface which can communicate with a USB using a micro:bit microcontroller. Web interface can be made using Java, HTML and CSS. Please apply if you have the required expertise. No teams or companies please.

Project Description: We are looking for an experienced Senior Core Java Developer to enhance an existing Java library critical for the transfer of information between clinical laboratory instruments and information systems. This library currently supports key data communication standards and protocols, including TCP/IP, HL7, RS-232, and LIS2-A2. The project involves building upon this foundation to introduce new functionalities and improvements. The ideal candidate should have a strong background in Core Java programming and experience with healthcare data exchange and protocol integration within an agile development environment. Skills Required: Proficiency in Core Java programming Experience with TCP/IP, HL7, RS-232, and LIS2-A2 protocols Knowledge of clinica...

Join Our Team as a Java Developer! Are you passionate about crafting cutting-edge software solutions? MedXview, a leading provider of software solutions specializing in cloud architecture, Artificial Intelligence & Machine Learning, Data Analysis, and emerging technologies, is seeking a talented Java Developer to join our dynamic team. As a Java Developer, you will play a pivotal role in software development and Document Management system design, leveraging your expertise in Java and the strust Framework to deliver scalable, high-performance applications. About MedXview: At MedXview, we're dedicated to empowering businesses with innovative technology solutions. From optimizing document management to enhancing business processes, our goal is to ...

Objective: The objective of this project is to implement enhancements to the existing parking management system, both in the web portal and mobile application, for improved performance, usability, and security. Portal Changes: Performance Filter: Implement a filter functionality to retrieve performance data for each parking site, including date and time informat...(ticketers) from logging into unauthorized locations or profiles, ensuring that each user is restricted to their designated location and user ID. Vehicle Details Retrieval: Allow ticketers to retrieve vehicle details (check-in/out times, token amount) by entering the vehicle number, providing enhanced convenience and efficiency in ticketing operations. Technologies Used: JavaScript (for web portal), Java (for mobile app...

I'm in need of a talented, freelance graphic designer specializing in product packaging. The designs should embody a minimalistic style while also incorporating bright and bold colors. Requirements: - Proficiency in creating minimalistic designs - Experience with product packaging design - Ability to use a bright, bold color scheme effectively - Ability to work independently and meet deadlines If you have a portfolio showcasing similar projects, please submit it along with your proposal. This will be a major determining factor in the selection process. Looking forward to your creative solutions!

Ho bisogno di qualcuno che in poche ore mi trovi clienti per la mia attività da freelance. Deve trovare clienti reali e follower per la mia pagina Instagram.

I am seeking an experienced Java developer to delve into a program constructed previously that is currently inactive. Key responsibilities include preparing an exhaustive procedures manual incorporating guidelines for installation, instructions for usage, and steps for troubleshooting. There is potential for this endeavor to extend into reactivating the program. Maintainance services, specifically bug fixes, are also required. Aptitude in Java programming, software analysis, technical documentation, and software maintenance is ideal for this position.

I'm seeking a seasoned developer with a strong background in Java and API creation. In particular, I need someone who has experience in creating custom APIs for Igenico Payment Terminals. Main Functions: - Retrieve available merchant info i.e., Merchant Category Code (MCC) from the payment terminal before a transaction is initiated by merchant. The mode of data transfer will be via NFC Skills and Experience Preferred: -Proficiency with programming NFC - Proficiency in Java and flutter - Proven experience with API development - Experience with Igenico Payment Terminals would be a significant advantage - Robust understanding of merchant systems and payment processing landscapes Please, in your application: - Include examples of past work related to API development, ide...

I am urgently requiring an Android mobile webview app focused on WebView features, with a specific emphasis on Razorpay integration. A previous experience in handling payment gateway integration, particularly with Razorpay, is a significant bonus. The following key skills will be ideal for this project: - Expertise in Android app development using Kotlin or Java - Strong understanding of WebView operations in Android - Proven experience in integrating payment gateways - Familiarity with Razorpay is highly desired Please note that a swift completion time is of utmost importance. I look forward to reviewing your robust proposals that highlight your expertise in the areas stated above.

As a growing corporation, we are in need of a creatively crafted minimalist logo. We haven't decided on a color scheme and would love a freelance designer who's good at experimenting with diverse color palettes. KEY REQUIREMENTS: - Knowledge and experience in minimalist design - Ability to work with various color schemes - Previous designs showcasing versatile creativity INCLUDE IN YOUR PROPOSAL: - Past work relevant to minimalist design. We look forward to seeing the mix of simplicity and creativity you can offer.

...scalability requirements. - Produce comprehensive documentation and SDKs to assist third-party developers in integrating their applications. - Implement a robust testing framework to ensure the API's reliability and performance. - They also need to know how to host the middleware webservice on cloud Key Responsibilities: - Utilize programming languages such as JavaScript (Node.js), Python, PHP, or Java to develop the API, selecting the most appropriate technologies based on project requirements. - Apply frameworks like , Django/Flask, Spring Boot, or Laravel to structure and streamline the development process. - Employ tools such as Postman for API testing, and Swagger/OpenAPI for documentation, ensuring a high-quality developer experience. - Integrate authenticati...

Summary: I am seeking a freelance developer with experience in Laravel to help repair, enhance, and complete some features on my platform built with this framework. The platform is already operational but requires bug fixes, the addition of new functionalities, and the completion of pending features. Tasks to be Accomplished: Fix Existing Bugs: Identify and rectify any errors or malfunctions in the current operation of the platform. Add New Functionalities: Implement new features as per specified requirements, such as integrations with external services, UI enhancements, etc. Completion of Pending Features: Finish features that are still in development, ensuring their full functionality and compliance with requirements. Performance Optimization: Make performance improvements to...

Hi, I need a Java swing control like shown on the picture. The right part may be a glyph, not a picture.

Seeking a freelance researcher proficient in quantitative analysis methodologies and experienced in advanced manufacturing concepts. Proficiency in quantitative analysis methods. Familiarity with advanced manufacturing practices.

I am looking for a seasoned web developer experienced in educational platform creation. Key responsibilities: - Design and development of an educational website focused on the Java programming language - Allow user to test the knowledge via quiz Ideal candidate: - Expertise in educational web platform development - Proficiency in creating interactive learning environments - Experience in the domain of Java programming will be highly appreciated This project provides a wonderful opportunity to apply and enhance your web development and content creation skills in the field of computer programming education. If you excel in structuring simplified learning processes for beginners and have a passion for making programming accessible to more people, this project is waiting for...

I require a freelance literary agent with a knack for representing adult coloring books. Your mission will be to find quality publishers. This project will require submitting proposals, send samples of artwork collection of adult coloring books to Publishers featuring whimsical scenes, characters, and much more. • Main goal: The primary aim is to connect with publishers who see and value the stimulating creativity our coloring books hold. Your skills and experience in boosting book sales, and marketing through effective representation will be advantageous. • Central Theme: Our coloring books focus on an array of whimsical themes that include people, animals, aliens, and other enticing scenes. Your ability to effectively pitch such unique themes to serious publishers is...

I'm in search of an exceptional freelance Java developer to assist in my project. I require expertise in Java, with proof of previous project involvement. Core requirements include: - Proficiency in Java programming. - Ability to adhere to project deadlines. - Ability to work in a freelance capacity. - Strong troubleshooting and problem-solving skills. Please provide work samples along with your bid. Looking forward to working with you!

I'm looking for a talented Java developer to build an e-commerce web app. As the client didn't provide specifics on features, products, or user registration process, your proposed solution should be comprehensive. Key Features to Consider: -Must include generic e-commerce functionalities such as a product catalog, shopping cart and a payment gateway. Products to be sold: -As no specific products have been mentioned, ensure the app supports the sale of a wide range of items. User Registration & Login: -The app should feature diverse ways for users to register and login. Options like email and password, social media login, and guest checkouts are preferred. In your proposal, please detail how you'd approach these requirements. Experience in developing e-commerce...

Job Title: E-commerce Enthusiast & Freelance Assistant Job Description: Are you a driven individual with a passion for e-commerce and digital marketing? I'm looking for a freelance assistant who can mirror my own drive and enthusiasm. This is a unique opportunity to work closely with an experienced developer in WooCommerce, WordPress websites using Elementor and Breakdance, Google Ads, Google Workspace, Mailchimp, MailerLite, Open AI. If you're eager to learn, ready to jump into projects with little notice, and proactive in identifying opportunities for growth, you might be the perfect fit to help expand my capacity to deliver exceptional work. Hours will vary every week and will dependant on what I need and your availability. Key Responsibilities - Assist w...

...It will accomplish this by offering comprehensive functionality that includes: - Tracking exercise progress, specifically by monitoring distance covered during exercise, calories burned during workouts, and the duration of exercises. - Monitoring daily nutritional intake and providing relevant insights about food consumed by using the Open Food Facts API. Ideal Skills & Experience: - Android Java - Proficient with GoogleFit API & Open Food Facts API or similar The overall design and layout of the app should be clean and simple to promote seamless user interaction. The successful freelancer will have a strong understanding of integrating various APIs into a single application. Major Subsystems 1. Workout Tracking: Utilizes the device's sensors to track physical a...

I am seeking a Java expert with a comprehensive understanding of Spring Boot to provide non-specific assistance with my project. As I have not defined specific tasks, the ideal candidate should be experienced with: - Database integration - REST API implementation - UI development - User authentication and authorization - CRUD operations - Integration with third-party APIs A wide range of expertise is appreciated to be prepared for a diverse set of potential challenges.

Create docker installation of (we need to LOG JAVA APP ERROR from our APPLICATION) We need this service to log our application output to check warning and error You must prepare the docker in your local enviroment and then you 'll release on specific vm on our infrasctructure when all is working fine.

I'm having an issue with my Spring web flow project. When I click on button controls, they're not responding as expected. Ideally, I want the buttons to trigger and activate a certain function in the system, specifically to start a process. To find a resolution for this, I need someone skilled in: - Java - Primefaces JSF - REST API. Your task will involve diagnosing, troubleshooting, and fixing the identified issues so the button controls perform their intended purpose effectively. Previous experience in handling similar tasks and a firm understanding of Spring web flow is a huge plus.

As a software development team, we're currently seeking an expert in Java, with robust proficiency in automation testing to help in identifying regression errors in our system. In particular, we highly prefer individuals that are skilled in * Working with Selenium as the testing framework * The identification of regression errors * Extensive experience in automation testing in Java Thereby, providing an effective way to streamline our testing process and to enhance our overall development efficiency. Please ensure you provide evidence of your previous work relating to Java automation testing.

The aim of this project is to make the game "tic tac toe" in Netbeans. The game should allow 2 computers/2 players to play this game against each other (on different computers) The winner must: 1) Provide the project in Netbeans 2) Comment the code 3) Be available to answer any questions that may arise

I am looking for a monthly work freelance skilled designer experienced with a classic and elegant design style. The tasks involve: - InDesign, Photoshop knowledge - Designing a brochure - Catalogue, business card, roll-up, banner design - Website design - Crafting social media posts - New product photography - If possible digital marketing - Visit our office 1-2 times a month for face-to-face discussions. - Located in Ankara city, Turkey. You should be able to follow the existing brand guidelines to create cohesive and branded content. The ideal candidate has experience in all the mentioned areas, and understands how to translate a brand's voice and message into every design aspect. Familiarity with brand consistency is a must. Your portfolio should reflect your proficiency i...

**ES IMPRESCIDIBLE TENER EL ESPAÑOL COMO LENGUA MATERNA Y SER ABSOLUTAMENTE BILINGÜE CON EL INGLÉS.** ** DEJA DE LEER ESTE PROYECTO SI ERES UN DESARROLLADOR JUNIOR O TUS SOLUCIONES SE BASAN EN USAR SIMPLEMENTE WORDPRESS O SIMILAR** Buenas tardes, soy Victor García, propietario de una Holding con experiencia demostrable de 18 años y seriedad máxima. Buscamos un project manager de habla hispana (preferencialmente de España, o sino del continente americano). Es necesario un perfil senior con amplia experiencia en E-Commerces, en Project Managemet, en distribuir y controlar el trabajo de varios equipos asi como en trabajar en la selección de los mejores perfiles para cada necesidad que pueda surgir. También son n...

Hey there! I’m Jon, the creator behind Gamebox - a freshly launched, free app aimed at encouraging families and friends to connect in the real world through fun, interactive games. While Gamebox is all about stepping away from screens, I need a bit of digital wizardry to help spread the word. ...in a way that clicks. A bit of time each week (let’s start with 5 hours) to dedicate to helping Gamebox grow, with the potential to increase as we see results. ** I've attached a couple of Stories so you can see the quality I am after ** ** Why You Might Love This: ** You’ll be contributing to a project that’s all about bringing people together. Flexible hours and competitive pay for your freelance lifestyle. The chance to shape the growth strategy of a bran...

...Skills and Experience: - Detailed knowledge of Wave accounting software is crucial. - Previous experience with bookkeeping, especially with author royalties. - Excellent organizational and mathematical skills are a must. - Ability to work discreetly and confidentially as the situation demands. This project requires a professional who can efficiently manage and monitor financial data. The ideal freelance professional for this role would be reliable, punctual, and detail-oriented. Experience in publishing or related industries would also be highly beneficial. Your primary responsibility will be to compute royalties accurately, guaranteeing our authors receive fair compensation. This involves pulling detailed reports from various publishers such as Kindle, Ingram, ACX, PublishDrive...

Java Selenium Web Driver Automation for E-commerce Website Testing Skills and Experience Needed: - Strong proficiency in Java and Selenium Web Driver - Experience in automating web testing tasks using Java Selenium Web Driver - Knowledge of Git Hub and Saucelab for version control and test execution - Familiarity with E-commerce websites and their functionalities Project Details: - The client is seeking a freelancer with expertise in Java Selenium Web Driver to automate web testing tasks for an E-commerce website. - The main objective of the project is to automate various testing scenarios on the E-commerce website using Java Selenium Web Driver. - The freelancer will be responsible for developing and implementing automated tests, ensuring the quality a...

hey there! we are offering services like graphic designing and video editing for social media platforms like youtube, instagram, facebook..etc not only these we are also offering our service to growing business. Till now, I have been marketiing for ourselves but now we are looking forward to outsource it to freelance marketer/ marketing agency so that we can focus more on working. Responsibilities: -Develop and execute digital marketing strategies to increase brand awareness and drive sales -Generate leads through targeted advertising campaigns -email marketing -Analyze marketing data and adjust strategies accordingly to achieve goals. What We Need: -Digital marketing experience, with a proven track record of success. -Strong communication and creative skills -Ability to think...

Busco a un desarrollador amibicioso, que sea capaz de construir una aplicacion multiplataforma. Sin entrar en detalles específicos, nuestro proyecto busca combinar funcionalidades útiles con un diseño intuitivo y accesible, creando una plataforma que padres de todo el mundo querrán usar. Somos un startup emergente enfocado en centralizar (revolucionar) el ámbito de la paternidad a través de la tecnología. Estamos en búsqueda de desarrolladores de aplicaciones móviles con experiencia en plataformas multiplataforma. Nuestra idea es que usted, nos ayude a crear una plataforma minimamente usable, para comprobar el modelo de negocio, por lo que no seria un trabajo de creacion de una app perfecta y completisima. Que buscamos...

I'm facing an issue with my Java code. Specifically, it's not downloading from a general API as expected. I can fulfil the request in Postman just fine, however, when I try to duplicate the request in Java I do not get the required result. I suspect it is an issue in how the payload is POSTed, but it might be something else. The task will involve troubleshooting and resolving this download issue. Ideal skills and experience for this project: - Strong Java debugging skills - Experience working with varied APIs - Comfortable handling and processing JSON data.

I'm seeking an experienced Full-Stack Web Developer who's well-versed in both frontend and backend technologies. Must have expertise in HTML, CSS, JavaScript, Python, Java, PHP along with profound understanding of database technologies such as MySQL, MongoDB, PostgreSQL. Importantly, a strong background in blockchain is highly desired. Here's what I'm looking for: - Full-stack Development: Deliver high quality, clean code in both frontend and backend dimensions. - Blockchain Expertise: Implement blockchain technologies, and understand their impact on the overall web infrastructure. - Timely Delivery: The project needs to be completed within a month's time. Ideal candidates should have a portfolio of past projects to showcase their expertise and proficiency...

I'm seeking an experienced software developer who is proficient in Python and Java. Your role will be to create a software that can run on Windows and possess capabilities such as data analysis, file manipulation, and report generation. This software will interact with PDF and Excel files extensively. Skilled required are: - Advanced Python and Java programming - Knowledge in data analysis - Experience in creating software for file manipulation - Report generation capabilities - Familiarity with PDF and Excel file handling - Proficiency in developing software compatible with Windows.

I am in need of a freelance graphic designer with a knack for minimalist aesthetics to create a logo for my business. The chosen design should incorporate my company's initials, and will need to feature a color scheme of red and grey. Here are some specifics for the job: - Adept in minimalist design - Experience in logo creation - Proficient in color scheming, especially with red and grey tones - Creative approach towards incorporating company's initials into the logo design Your portfolio reflecting previous work similar to these specifications will be highly appreciated. Looking forward to your unique designs!

We are seeking an experienced freelance engineer with expertise in modular UPS (Uninterruptible Power Supply) design. The project entails designing a complete modular UPS system with a 20kW bidirectional peak shaving-off power conversion system. Attached power specification and detailed job description below. Project Specifications: Power Capacity: 20kW Operation: Bidirectional Peak Shaving Conversion System: Modular UPS Deliverables: Schematics: Detailed electrical schematics showcasing the design of the UPS system. This should include: Power circuitry Control logic Safety mechanisms Input and output interfaces Bill of Materials (BOM): A comprehensive list of all components required for the UPS system. This should include: Part numbers Descriptions Quantities Suppliers Board ...

Title: Java Developer for LIS Integration (Scrum/Agile) Location: Remote Job Type: Freelance/Contract About Us: We are a healthcare software company, specializing in Laboratory Information Systems (LIS) and Electronic Health Records (EHR) integration, committed to improving diagnostics, patient care, and data efficiency. Our development process is grounded in Scrum methodology, ensuring flexibility, rapid delivery, and continuous improvement. Job Description: We seek a Java Developer experienced in ASTM E1381-02 / CLSI LIS1, ASTM E1394-97 / CLSI LIS2, and HL7 standards for upgrading our LIS integration engine. This role requires a commitment to Scrum values and practices, enhancing data transfer between lab instruments, LIS, and EHR systems. Responsibilities: Upgr...

I'm in need of a C# professional with experience in handling RDLC report prints. I have designed Invoice print in rdlc report viewer its not working as per requirement. alignment, print with letter head, additional page printing, A4 & A5 print, page number Need help for formatting print and related prin...requirement. alignment, print with letter head, additional page printing, A4 & A5 print, page number Need help for formatting print and related print issues - Correcting the misalignment of elements. - Ensuring elements aren't unnecessarily extended onto additional pages. I'm looking forward to working with a freelancer who exhibits proficient skills and experience with RDLC report prints in C#. freelance should work on remotly budget $50, over this ...

Title: Backend Developer (GoLang & PostgreSQL) for Custom Software Solutions Location: Remote Job Type: Freelance/Contract About Us We are a bespoke software development company, creating custom solutions that drive innovation across various sectors, including healthcare, transportation, finance, and more. Our approach integrates the Scrum methodology, fostering an environment of collaboration, agility, and continuous improvement. Specializing in developing REST APIs in GoLang and managing PostgreSQL databases, we deliver high-quality, tailored software applications that meet our clients' unique challenges and objectives. Job Description We're looking for a Backend Developer proficient in GoLang and PostgreSQL and experienced in Scrum, to join our team. The role in...

I am in need of a skilled PHP developer to enhance various PHP scripts for general tasks. The scripts to be enhanced include Wowonder, a popular social network PHP Larawel script with mobile apps; Riverr, a freelance marketplace; Perfex Open Source CRM; MailWizz, an email marketing platform and Academy LMS. The required tasks: - Feature enhancements of these scripts - Integrating input and output - Deploying these scripts on Amazon AWS - Documenting changes in a PDF file - Testing the final product after deployment Ideal skills and Experiences: - Proficient in PHP and Laravel framework - Experience with the specific scripts mentioned - Strong experience with Amazon AWS - Proven skill in debugging, enhancement and testing - Capability to write clear and comprehensive documentati...

...software licensing and support of our hardware products. These applications are written in C++ and Java and run on Windows. Our contract manufacturers and fulfillment centers use these proprietary applications which produce a variety of files and data stored locally during production of each device. Information regarding post-production sales of software add-on features is also stored in the database. Each operations location generates local SQLite databases and other data files which are individually copied to our home office and merged to contain data from all locations. We want to move to a cloud database model, using Azure, and need an Interface Layer between these custom C++ and Java applications and the cloud storage. The cloud storage is likely PostgreSQL but is...

We need a highly motivated freelance developer to complete a showcase/demo project currently under development in Unreal Engine 5! Requirements: - good communication skills and work ethic. - experience in Unreal Engine 5 Editor, including Blueprints. - a PC with hardware specs sufficient for Unreal Engine 5. - a good internet connection. - some basic knowledge of Blender. - some basic knowledge of Photoshop. Task 1: Modify & adjust a new main building in Blender & import it into Unreal Engine - including area around the building + test if everything works. Task 2: For the new main building: add new texture + mesh variations/UI & adjust it so it looks/works decent, keep it optimized + test if everything works + upload UE project files. I'll send you the detai...

Estamos em busca de um desenvolvedor talentoso e experiente para criar um robô de negociação de opções binárias com funcionalidades semelhantes ao popular robô Robin. O projeto req...apto a replicar os sinais que envio no meu canal do Telegram direto na conta dos usuários. Sou o dono do canal. Específico para corretora EXNOVA. - Interface de usuário intuitiva e fácil de configurar. - Integração com a Corretora Exnova Habilidades Necessárias: - Profundo conhecimento em algoritmos de negociação e análise técnica. - Experiência com linguagens de programação como Python, C++, ou Java. - Histórico comprovado em desenvolvimento de bots de ...

I'm seeking an experienced and knowledgeable Senior Systems Engineer with a strong background in system analysis, design, implementation, testing, maintenance, and troubleshooting. Key Responsibilities: - Analyze and design robust systems - Implement and test system designs - Perform system maintenance and troubleshooting Required Skills and Experience: - Proficiency in Java, Python - Familiarity with GoHighLevel, Zapier, and APIs - 5+ years of professional experience in Systems Engineering Your extensive experience and strong technical skills will be crucial in assuring the reliability and efficiency of our systems. I look forward to your bids.

Write a Java class to read the weight data from the CAS ER plus scale using ECr#Type12 - Dialogue 05 Protocol.

...players and the football itself. - The system should be capable of providing real-time analysis during games as well as analysis of pre-recorded footage. - The data source for this project will be multiple sets of existing video footage. Project Requirements: - Demonstrable experience in object detection technologies. - Proficiency in programming languages typically used in AI, like Python or Java. - Familiarity with sports, especially football, will be advantageous. Application Requirement: - Detailed project proposal which demonstrates the freelancer's understanding of the project and outlines a timeline and methodology of implementing the project. This is an exciting project linking technology and sports. I'm eager to collaborate with individuals who are as pass...

I'm looking to establish a sophisticated online food order system utilizing Java. Key features it must include: - User registration and login capability - Comprehensive menu management module - Reliable order tracking As of the moment, I'm undecided if the system will be integrated with any payment gateway, so your advice and expertise on this will be useful. Additionally, I'm also unsure about whether it should be mobile-responsive, hence your input would be particularly valuable. Ideal Skills: - Proficiency in Java programming - Knowledge of database and user-interface design - Experience in creating similar online food order systems - Understanding of payment gateway integrations and mobile-responsive design is a plus. Your expertise will guide this ...