Senior java developer interview questions jobs

I am in need of a skilled Full Stack Python Developer to primarily focus on back-end development tasks. The main areas of focus include: - User Authentication & Authorization: Implement a secure user authentication system to ensure data integrity and user privacy. - API Development & Integration: Develop new APIs and integrate with existing ones, for seamless communication between various components of the platform. - Data Processing & Analytics: Implement robust data processing and analytics functionalities to make informed decisions and gain insights from user interactions and other data sources. You will also be responsible for: - Payment Gateway Integration: Integrate payment gateways to facilitate transactions within the platform. - Social Media Integration: Imple...

I am looking for a skilled PHP developer with experience in PHP frameworks, MySQL database, and E-commerce development to build a website. The developer should also have experience with Wordpress and integrating various platforms and APIs. Key project details: - The ideal candidate should have strong knowledge and experience in PHP frameworks like Laravel or Symfony, as well as Wordpress. - E-commerce development experience is essential, especially in designing and building secure and user-friendly online stores. - Proficiency in MySQL database is required. - The website will require integrating payment gateways, social media, and email marketing platforms. Hence, the developer should have experience in these areas. Ideal skills and experience: - PHP frameworks (Lar...

I'm looking for a skilled frontend developer to help me create a website. The ideal candidate will be proficient in HTML, CSS, and JavaScript. Key Requirements: - Excellent knowledge of HTML, CSS, and JavaScript - Experience in creating user-friendly web designs - Ability to collaborate with back-end developers and web designers to improve usability - Familiarity with best practices in website design, including responsive design - Strong problem-solving skills Your primary responsibility will be to implement visual elements that users see and interact with. The site will need to adhere to standard design principles. The ideal candidate should have a keen eye for detail and uphold high standards for web design.

I'm looking for a professional who can convert my Amibroker AFL script into a TradingView Pine Script. The converted script should be able to generate buy/sell signals and provide backtesting capability. The ideal candidate should have experience in: - Amibroker AFL and TradingView Pine Script languages - Developing buy/sell signals - Implementing backtesting functionality Moreover, my tra...my trading strategy is based on breakout patterns. The converted script should reflect this strategy and incorporate the following indicators: - Moving Averages - Relative Strength Index (RSI) - Supertrend I'm looking for a freelancer who can deliver a polished and fully functional script that mirrors the performance of the original AFL script in TradingView. Feel free to ask any addition...

I'm looking for an experienced full-stack developer who can build an interactive web application. Here are the main requirements for the project: - User Registration and Login: The application should have an intuitive and secure user registration and login mechanism. Proficiency in handling data security and user authentication is paramount. - Data Visualization and Analytics: The other central function of this web app would be displaying data in an interactive, clear and accessible way. Experience with data analytics and visualization tools is a must. Applicants must have a proven experience as Full-Stack developers, with a portfolio that demonstrates competence in developing interactive web applications. Familiarity with modern front-end and back-end frameworks is essent...

I'm looking for an experienced Django developer to work on the backend of my project. Key Project Goals: - The primary focus of this project is on backend development. You should have a strong understanding of Django and be able to handle complex backend tasks. Ideal Skills and Experience: - Extensive experience with Django is a must. - Strong understanding of backend development. - Ability to work on complex backend tasks. - Good communication skills. - Previous experience with similar projects is a plus. Please note that the project is already defined and the focus will be solely on backend tasks. Your role will be to improve the backend of the website. Feel free to ask any questions for more information.

I'm in need of a skilled Rust developer who can work on building a Dex on Solana. Ideal Skills: - Proficient in Rust - Experience in working with Solana - Understanding of building decentralized exchanges - Knowledge in blockchain technologies The main task is to construct a decentralized exchange on Solana. Experience in building Dex is a must, as well as having a good understanding of how to optimize trading pairs and match orders efficiently. Please provide examples of your past work that are relevant to this project. I would like to see the projects you've worked on and your experience in this field. A detailed project proposal would also be appreciated. Looking forward to working with a skilled Rust developer who can bring this project to life.

My project involves the development of an Android mobile app, primarily as a business tool with accounting capabilities. Key Features: - Splash Screen & Login with Auth Module: The app should have a splash screen and a login page that is modern and sleek in design. Your Skills: - Strong experience in Java for Android app development. - Knowledge in creating authentication systems. - Familiarity with inventory management and accounting concepts. I'm looking for a skilled developer who can bring these elements together in a user-friendly manner. The design should be modern and clean, reflecting the professional nature of the app's purpose.

I'm looking for a skilled web designer, proficient in UI/UX and Wordpress, to build me a website intended for my existing service-based business in Dubai. The primary goal of this website is to facilitate the setup of my client's business in Dubai. Existing website to be redesigned - Key Requirements: - Experience with UI/UX design: I'm seeking a professional who can create a visually appealing and user-friendly interface to enhance the website's usability. - Proficiency in Wordpress: I would prefer someone with a solid understanding of the Wordpress platform, as this will be the backbone of the website. Target Audience: - Businesses: As my focus is on setting up a service-based business, the website will need to be tailored to appeal to other businesses in Dubai a...

I'm in need of an experienced Java Full Stack Developer to build a comprehensive application with the following features and requirements: - **Features and Functionalities** I need the application to have the following features: - User registration and login: A secure and user-friendly way for users to create accounts and log in. - Payment processing: A seamless payment processing system. - Data encryption: Robust data encryption measures to ensure user data is safe and secure. - **Design and UI/UX Requirements** I'm looking for a modern and clean design that is responsive and mobile-friendly. The interface should be intuitive and user-friendly, making it easy for users to navigate and interact with the application. - **Integration and Third-Party ...

I'm looking for an experienced HTML developer who can bring my Figma design to life. Here's what I need: - Frontend Development: The project involves developing a single-page website. You'll be working with HTML to create a visually appealing and responsive frontend. - Animation Implementation: I need animations to be integrated into the design. These animations will play a crucial role in enhancing the overall user experience. I need same to same animation as per figma file. - Familiarity with Figma: You'll be provided with a Figma design. It's essential that you're comfortable working with Figma files and can translate the design accurately into a functional website. Ideal Skills and Experience: - Proficient in HTML and CSS for frontend development...

I need a skilled individual to help me create a professional slide deck - the presentation is attached below and is titled Freelancer's Global Interview Standards The presentation is to be around 15 to 20 slides in length. I have highlighted in blue in the below presentation document, the titles I want you to focus on creating for the slide deck. Please feel free to use images wherever necessary. Key requirements: - Creating a visually-engaging, professional slide deck - Incorporating provided branding guidelines - Ensuring the slides are clear and concise - Good project management and communication skills, as I aim to be involved in the process to ensure it aligns with my vision

Looking for an experience Wordpress developer to work on various tasks. Work might be from 5 to 10 hours per week, maybe some weeks there will be tasks some not. Looking for someone who can communicate clearly and is an experienced Wordpress developer with good all round knowledge. Rate can be increased after some time and you have shown your skills and capability.

...health-conscious individuals as primary audience The selected freelancer should have: - Demonstrable experience in creating educational motion graphic content - A portfolio showcasing previous work in the field - Understanding of the principles of designing for specific audiences, especially health-conscious individuals. Looking forward to seeing your bids, and please feel free to ask any questions if you need more details. Example of scrip: A low carb diet is great for reducing blood sugar levels. If you have diabetes or high insulin levels, reducing your carb intake can have a significant impact on your health, Studies have found that a low card diet can dramatically lower your blood sugar levels, and in some cases, help reverse type 2 diabetes.! "

I'm in need of an experienced PHP developer, well-versed in Core PHP and Wordpress Development. The ideal candidate must be able to work on various projects with the following requirements: - User Authentication and Authorization: The developer will need to create secure login and registration systems for our websites. - Database Integration and Management: Proficiency in MySQL is a must. The developer will be responsible for managing and integrating databases effectively into our sites. - Payment Gateway Integration: The developer will have to implement payment gateways, ensuring a smooth and secure payment process for our users. Ideal Skills: - Proficiency in Core PHP and Wordpress Development - Strong understanding and experience with MySQL - Previous ...

I'm seeking an app developer in the Philippines to collaborate with a skilled web developer on a unique project. The app will have multiple functionalities, including user registration and login. Your role will involve closely working with the web developer to ensure seamless integration between the web and mobile platforms. The ideal candidate would: - Have prior experience in app development - Be based in the Philippines - Be able to work closely with a web developer - Be proficient in integrating a variety of functionalities - Have a creative and collaborative mindset Please note that the target audience for this app has not been specified, so you should be comfortable working on a project with potentially broad appeal.

I am in need of a skilled professional who c...Microsoft Word’s functionalities and be able to create a fully custom template. - Design Skills: The template should not only be functional but also visually appealing and in line with our brand image. - Attention to Detail: It is crucial that the template is designed specifically for external client communications. - Communication: I require clear communication on the progress and any potential questions or issues that may arise. Please note that I will provide you with the specifications that the template should adhere to. Your role will be to implement these requirements in a user-friendly, professional, and attractive manner. If you have experience in creating similar templates and are up for the task, I look forward to hea...

Hi there! For our project, we are seeking an experienced developer who can adeptly work with React 18. Your role would consist of assisting us with the installation of essential scripts on our server. To excel in this role, it would be a plus if you possess knowledge of: - Node.js - MongoDB - GraphQL Although these specific skills would be advantageous, they are not mandatory. On another note, our preferred server management system for deploying the React application is Shared Hosting. Thus, any experience you have with server management and deployment processes, particularity Shared Hosting, would greatly benefit your application. With your expertise, we trust that you can help us successfully manage this project. Looking forward to potentially working with you!

I am working on a Flutter SDK project that involves user authentication, registration and push notifications. I am looking for a skilled developer who can work on this with me. Key Project Components: - Implement user authentication and registration functionalities - Set up push notifications within the app I would like to see: - Your past experience with similar projects - A detailed project proposal demonstrating your understanding and approach to this project Communication: - I prefer to communicate via email, so availability to respond in a timely manner is important. Ideal Skills and Experience: - Proficient in Flutter SDK - Experience with implementing user authentication and registration - Familiarity with setting up push notifications within mobile applications - Strong...

I am seeking an experienced Python developer with a proven track record in working with the Scrapy framework. The primary goal of the project is to handle data extraction from websites, dealing particularly with nested or hierarchical data. Key Responsibilities: - Collaborating with the team to define the scope of the project and identify the data requirements. - Design and implement data extraction scripts using the Scrapy framework. - Handle complex, nested or hierarchical data structures. - Ensure the accuracy and efficiency of the data extraction process. Ideal Skills and Experience: - Proven experience in Python development. - Expertise in working with the Scrapy framework. - Strong understanding of web technologies and data structures. - Excellent problem-solving and analyti...

I'm urgently in need of a software developer who can help me fix some bugs in my software and make some necessary adjustments to the code. Key Requirements: - Debugging: You should be experienced in identifying and resolving bugs in software. - Code Customization: The project may require some customization of the code to ensure it meets my requirements. Your experience with software development, particularly with Java, Python or C++, will be highly regarded. The project is quite urgent, so I'm looking for someone who can start immediately and deliver fast, but without compromising the quality of the work.

I'm in need of a talented Salesforce developer based in Hyderabad who can provide offline support for custom application development. This project requires your physical presence in Hyderabad, so remote support is not an option. Ideal Skills and Experience: - Proven experience with Salesforce development, particularly in custom application development. - Strong understanding of Salesforce CRM and its various functionalities. - Excellent problem-solving skills. - Strong communication skills, as you'll be required to provide in-person support.

I'm looking for a skilled professional to help me with advanced data processing tasks using Power BI and Macros. Key Responsibilities: - Data Cleansing: You will be responsible for ensuring that the data is clean and free of any inconsistencies or errors. Ideal Skills and Experience: - Proficiency in Power BI and Macros - Strong background in data processing - Ability to clean and tra...clean and free of any inconsistencies or errors. Ideal Skills and Experience: - Proficiency in Power BI and Macros - Strong background in data processing - Ability to clean and transform data effectively Please note that the main objective of this project is advanced data processing. The tasks would primarily involve data cleansing and transformation. Feel free to reach out if you have any ...

I'm currently looking for a Vue.js developer with a solid understanding of Laravel. While I'm not certain the version of Vue.js I'm using, I know that I need to implement a real-time chat feature in my project. Ideal Skills and Experience: - Proficiency in Vue.js is a must. Experience with both Vue 2 and Vue 3 would be beneficial given my uncertainty about the version currently in use. - Strong understanding of Laravel is also required since the project involves integrating the chat feature into an existing Laravel application.

...recommendations. This travel AI should be built using data from SkyScanner or similar sites. Key Requirements: - Integration with Instagram: The AI must be capable of operating within the Instagram interface. - Providing Travel Recommendations: The primary function of the AI will be to offer travel suggestions tailored to the user's preferences. - User Interaction: The AI should ask direct questions to the user during interactions. This will help the AI to learn and refine its recommendations based on user feedback. Ideal Skills & Experience: - Proficiency in AI Development: Experience in building AI systems, particularly for personalization. - API Integration: Ability to work with APIs from travel sites to gather and process data. - Instagram Interface: Knowledge of ...

...skilled developer to create a personalized billing software that caters to my business needs. This program should be compatible with the Windows operating system. Must-Have Features: - Inventory Management: The software should assist in tracking, restocking, and managing our inventory efficiently. - Customer Management: Maintaining customer details for smoother transitions and personalized customer experiences is crucial. - Sales Reporting: We require comprehensive sales reports to review our business's progress and areas for improvement. Users: The software should easily accommodate 1-5 users at once, with unique access capabilities for each user. Ideal Candidates: I'm seeking professionals with experience designing and developing business-centric software. Experi...

As an Android developer, I am seeking a professional with expertise in Android Studio using Java who can support me in executing key tasks for my app. The main areas of support needed are app functionality and bug fixing. Key Tasks: - App Functionality: Your role will involve implementing and refining specific functionalities within the app. This includes features like push notifications and user authentication. Ideally, you will have a strong understanding of Android development best practices and be able to translate user requirements into tangible features that enhance the app's overall usability and appeal. - Bug Fixing: Being able to troubleshoot and resolve any technical issues or bugs that may arise during the development process is crucial. Your ability to debu...

...Laravel developer to implement specific changes to my existing Customer Management System (CMS). My hot requirements are as follows: - Reporting Feature: I need the implementation of a Customer Activity Reports feature. The system should allow users to generate custom reports using the existing database. The reports should be detailed, accurate, and easily accessible. - UI Improvements: I'm not satisfied with the current UI of the system. I need the navigation to be simplified for better user experience. The interface should also be modernized with a new color scheme. Responsive design is a must for compatibility across all devices. The ideal candidate should have a deep understanding and a strong background in PHP Laravel, JavaScript, CSS/HTML. I specifically need a ...

I'm in need of an experienced developer or agency to create a custom assessment platform, similar to Coderbyte/ Hackerrank tailored to my specific needs not limited, but similar to . Here's what I'm looking for: 1. AI-Generated Code Assistance** - **Smart Code Suggestions**: Implement AI algorithms that provide real-time code suggestions and auto-completions similar to tools like GitHub Copilot. - **Code Snippets**: AI can suggest commonly used code snippets based on the problem statement and context. - **Problem Solving Hints**: AI can offer hints or guide candidates through difficult problems without giving away the solution. - **Adaptive Learning**: Use AI to adjust the difficulty of questions based on the candidate's performance in real-time. ###...

I'm seeking a professional to standardize and aesthetically enhance my existing PDF-based letters and proposals. including adding the attached flow chart in the document Key Points: - Standardization: The primary objective is to ensure all letters and proposals maintain a consistent and professional format. - Aesthetics: I aim to modernize the design of the d...Expertise in PDF document creation and formatting - Strong graphic design skills, with a portfolio showcasing modern and minimalist aesthetics - Ability to enhance the current documents without deviating from the original content - Attention to detail to ensure all necessary elements are included - Previous experience with proposals or business letters is a plus Feel free to ask any further questions to better understa...

***The developer should have iOS developing environment including MacOS and iPhone.*** I require a skilled Flutter developer with specific experience in OpenVPN, as well as iOS and Android app development. I have early built iOS project built with swift and I want you to recreate this iOS project to Flutter with 1:1 conversion. I will share the project if you have proven experience with flutter, iOS and Android. This app should also work properly on Android TVs also. Key Project Details: - Development for both iOS and Android platforms - Primary function: OpenVPN connectivity - Utilization of pre-existing iOS project for design Key Responsibilities: - Develop an OpenVPN application with Flutter for both iOS and Android - Ensure the app is functional and performs as expected...

I need an experienced NextJs (ShadCn) + Prisma (Postgres) developer to build an E-commerce application within a week. Key Requirements: - I already have a DB schema for the App and all the flows mapped out - Need someone to build a test taking app - Users can create online test, generate links and take test using the application - The whole app will be less than 10 pages - The App will have a lot of funtionality like generating common test link, session specific test link, generating test scores/result, question bank support, dynamic questions... The ideal candidate should have: - Solid experience in NextJs, ShadCn, and Prisma. - Proven track record in E-commerce application development. - Ability to deliver high-quality work under tight deadlines. Please only apply...

I'm looking for an expert Flutter developer who can create a social networking app for both Android and iOS. Here are the key features I'd like to be included in the app: - Messaging System: Users should be able to send and receive messages from other users. - Profile Customization: Users should have the ability to customize their profiles with personal information, profile picture, and more. - Photo & Video Sharing: The app should allow users to share photos and videos with their connections. Experience in developing social networking apps is preferred, as well as a good understanding of both Android and iOS platforms. Knowledge of Flutter, Firebase or other backend services, and UI/UX design will be a big plus. Please provide examples of your previous work in your ...

I am looking for a programmer with previous experience in building a Group Buy SEO Panel with the following tools, with the possibility of adding tools later. semrush freepik envato elements Motion Array pacdora with the following download limits: freepik 25 files /day envato elements 30/day Motion Array 30 /day pacdora 30/day I do not want a page specifically for payments, but in return I want a section at admin dashboard to generate activation keys for each service. I will sell these keys, and once the customer obtains an activation key for a service, he will paste it in a specific place on user dashboard and click on the word Activate, and the service associated with this key will be activated. Please send a previous project you work on

I'm in need of an expert who can set up Webmin on my Ubuntu server. The primary reason for this is to facilitate server management. Here's a bit more detail on the tasks: - Setup Webmin: The primary task here is installing and configuring Webmin. It should be set up properly and securely to ensure that the server can be effectively managed through the panel. - Additional Server Tasks: O...ensure the server is secure and running properly. Ideal candidates for this role should have: - Proficiency in Ubuntu server setup - Experience with server panel software, specifically Webmin - Strong understanding of server security - Capability to manage additional server tasks like firewall configuration and DNS setup Please share your relevant experience, and feel free to ask any clarifyi...

I'm looking for a skilled programmer to help me convert my invention into an app for iOS and Android devices. It is preferred that you're located here in SAN DIEGO, CA...however it's not absolute. Key requirements: - I'm open to the programming language, so your expertise in Python, Java, or C and C ++ would be beneficial in guiding the decision. - The main functions the app should possess are user authentication and data storage. I will require a Non Disclosure Agreement [NDA] to proceed with details of the invention. If you've got experience in app development [Coding] and can help me bring my invention to life on mobile devices, please reach out. Looking forward to working with you! Thanks, Mike

...makes sure that 100% of their information is correct and turns in scripts on time consistently. The scripts should contain links to youtube clips with timestamps. This is non-negotiable. Every video is make is built around awesome player interviews, highlights and sound bites. Example YouTube Channels: Cult Tennis Courtside Tennis Baseball Doesn't Exist Cult Tennis PLEASE ANSWER SCREENING QUESTIONS Please add rates in job cover If you're resume looks good I can send you a TEST project with video + script references. Look forward to hearing all your proposals and working together! Please Add "Sampras" to the beginning of your cover so I know you have read the whole thing! More details: What type of tennis analysis are you looking for? Match breakdown...

I am looking for a person who can build my USDT/BTC flash application

We are seeking a skilled Frontend Developer to integrate a staking smart contract with a React frontend page for interaction. The project involves combining a pre-existing staking smart contract, staking React page, and token contract to create a seamless user experience. The necessary components including the staking contract, staking react page and token contract have already been prepared. Initially, we will conduct trials on the Sepolia testnet or other testnet to ensure all systems are operational before launching on the Ethereum mainnet. I have already source code for UI. If you're a skilled Frontend Developer with a passion for blockchain and smart contracts, please submit your resume and a brief cover letter explaining your experience and qualifications for the...

We are looking for expert laravel developer who can start working right now to fix bugs More details: What specific features or functionalities do you need for your Laravel project? Fix bugs Could you please provide more details about the bugs that need to be fixed in your project? Function not working properly, Performance issues How soon do you need your project completed? ASAP

***The developer should have iOS developing environment including MacOS and iPhone.*** I require a skilled Flutter developer with specific experience in OpenVPN, as well as iOS and Android app development. I have early built iOS project built with swift and I want you to recreate this iOS project to Flutter with 1:1 conversion. I will share the project if you have proven experience with flutter, iOS and Android. This app should also work properly on Android TVs also. Key Project Details: - Development for both iOS and Android platforms - Primary function: OpenVPN connectivity - Utilization of pre-existing iOS project for design Key Responsibilities: - Develop an OpenVPN application with Flutter for both iOS and Android - Ensure the app is functional and performs as expected...

I require an experienced PHP developer who can quickly resolve two broken links on my e-commerce website. The first issue is in the search line reset menu, while the second is between the cart and the payment gateway. Key Responsibilities: - Fixing two broken links in the e-commerce page - Ensuring the page stops looping - Ensuring the page retains user details between stages - Enabling users to progress to the payment page The fix needs to be completed in the next week. Ideal Candidate: - Proficient in PHP, particularly in e-commerce settings - Strong understanding of custom coding - Ability to work efficiently and meet deadlines - Experience in troubleshooting and resolving similar issues I have existing documentation and code comments available for the sections with issue...

Hello, I need a shopify developer and designer to redesign a product page for me. Thanks

I need a professional resume reviewer to go through my resume. The ideal candidate should be able to focus on a few key areas: - Grammar and spelling errors - Content and structure - Formatting and design I am looking to transition into a new tech role and my resume should reflect and appeal to this industry specifically. Please complete the review within a week.

Hi, We’re looking for a skilled female app developer to build a quick MVP and convert a physical card game into a mobile app game for both iOS and Android platforms. Quick note: I appreciate those who feel the need to start a chat and not so much those who have not bothered to read the brief before wanting to chat. I'll only start a chat if you have at least 2 to 4 links to card games you have published. Skills and experience required for this project: Experience converting physical card deck games into digital game experiences would be the ideal provider. The game brief overview: "Ello" is a two-player game played with a standard 52-card deck, where each player starts with 26 cards. The game assigns values to only four cards in the deck. In each turn...

We are looking for someone long-term who can do cartoon animation with experience in video editing. It will be around 1-2 minute per video. These will be for youtube. We are looking for someone good in communication, can do it on a good price, and delivery time. More details will be provided upon interview.

I have an ionic app were users are able to upload pictures and videos and save it to their account page. I want users to also be able to add emojis and stickers to their pictures that are taken from their camera. I also would like a facial recognition so the users can add gifs to their face and other effects when they take videos from their camera. (please see attached image) Has anyone done this before?

I require assistance in creating an Adobe fillable PDF form for my clients. This form will be used to collect data. - The PDF form will need to include both text fields for entering information and checkbox fields for multiple choices. - I also need a box around the bottom portion (last two questions) Freelancers must have experience in Adobe fillable forms and demonstrate an understanding of how to create dynamic and user-friendly forms.

I would like an AI chat robot that can answer users questions and send transcripts on email

Hello Wordpress Wizards! ✨ We are seeking an experienced WordPress developer to assist with the final setup and testing of our Learning Management System (LMS) using LifterLMS and GrassBlade xAPI Companion. Our course, created with Rise and published as a SCORM file, needs to be fully integrated and tested on our existing WordPress site. Additionally, we require on-hand support on the day the course goes live to ensure everything runs smoothly. Responsibilities: Review and optimize the current LMS setup using LifterLMS and GrassBlade xAPI Companion. Implement and test SCORM file integration to ensure smooth functionality. Conduct CSS customization for aesthetic improvements on specific pages according to our design guidelines. Thoroughly test functionalities including course prog...