What every java developer should know jobs

I'm in need of a Java expert who is proficient in implementing design patterns, specifically creational, structural, and behavioral ones. Key Requirements: - Implement all Creational design patterns (Singleton, Factory, Builder) - Implement all Structural design patterns (Adapter, Bridge, Decorator) - Utilize Behavioral design patterns effectively Ideal Skills: - Proficiency in Java - Strong understanding of Creational, Structural, and Behavioral design patterns - Experience in implementing design patterns in Java - Good problem-solving skills If you have a solid understanding of these design patterns and can effectively apply them in Java, I'd be happy to hear from you. Please provide examples of your previous work in this area. Note : Min pric...

...the video in general: entertaining and highly engaging. I am looking for a person that can be my full time editor for the next 6-12 months with the possibility of consistent pay-raises when the agency experiences growth. You will be paid 8USD for every video-edit. Paid on a per video basis (not hourly) The process is super streamlined! All videos are tailored by me -> You get the raw footage, edit it and upload the edited videos in a separate folder. I expect a simple thumbnail that fits the ratio 1:1 on Instagram feed. All videos should be edited in 9/16 format for fullscreen experiences on Instagram Reels + TikTok. Please reach out to me here on Freelancer and tell me a bit about yourself, your current situation and show me previous work. ***Important*** I e...

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I have previously worked code in and stored but it stopped working because readyPromise doesn't work and in that case, it can't load sequently and crashes. New Java stuff?? It doesn't recognize readyPromise with var/const only works as await. Async has problems too. Even without Crashing tilesets seem not to load both from ION and Private/Public Domain. Need to solve this ASAP. You need to download files and work within your Domain or IDE or any other way to work directly with CESIUM LIBRARY!!!!! Or I will give you my Domain FTP access to the project folder and you can Upload .js .html files and see RESULTS in this directory as it will load html and js: YOU HAVE TO WORK WITH CESIUM LIBRARY!!

Looking for a Google Cloud Platform (GCP) expert who can assist with Cloud Functions and Vision API integration and deploy func...integration and deploy function on google cloud - Your main focus will be integrating Vision API for images batch processing and setting up Cloud Functions. The urls of images will be in excel file in google cloud. The parse result to be placed in columns next to url column. - The data primarily processed with text detection. Ideal Candidate: - Proficient in GCP services, specifically Cloud Functions and Vision API. - Experienced in setting up GCP services for one function. - Skilled in implementing Vision API for image processing. - Strong understanding of data processing in GCP.

I'm searching for an experienced Laravel developer to construct a site in two stages. This stands as a Software as a Service (SaaS) project designed to aid with product uploads onto e-commerce and marketplace platforms. Site will need to be built in Laravel using the blade framework and tailwind. It will include integrations with and I have provided a fill project outline so please ensure that it is read before bidding as i need the costing in 2 parts. The cost for stage 1 and cost for stage 2 as we would like an MVP of the product first. Please ensure that your bid has the cost of both parts but in the description include the split between both parts and the hourly rate.

Looking for an experienced Ruby on Rails back-end developer specialized in database management. The focus is to construct a medicine distribution system with a smooth, efficient process. - Key Requirements: * Extensive back-end development experience * Strong database management skills * Proven track record in Ruby on Rails

1) Implement MOSSE with SCRFD for Java Android 2) Implement it in our app by replacing MLKit and connect it to our engine 3) Replace our engine with ARCface The App must be fast and robust. For the 1st milestone deliverables... implement MOSSE tracking with SCRFD for Java Android running the C++ libs. Create a demo app that runs detection and tracking and: 1. shows boxes and tracking ID for each face detected. 2. model size 3. fps 4. face confidence 5. screen resolution 6. Allow the app to run on Android's both front and back camera 7. add a zoom feature if supported by the device's camera. 8. add an option to upload and process recorded videos. no need to do ui/ux design key point is to integrate c++ library with android app Need to do some test before start C...

Looking for an experienced developer familiar with Cordova v12 and AdMob to implement ad functionality into my Android app. I need: - Banner ads to be placed at the top of the screen - Interstitial ads to appear every time a user opens the app The ideal candidate will have prior experience working with AdMob and Cordova, and is knowledgeable about user interface design to ensure the ads integrate seamlessly into the app's existing design and functionality.

I'm in need of an exceptionally experienced Unity Developer who can aid in crafting an action game for the PC platform. Key responsibilities will include: - Collaborating in the design & development of the game mechanics and user interface - Debugging and optimizing for compatibility and performance on PC - Implementing innovative and immersive gameplay features Ideal Candidate Skills: - Expertise in Unity game development - Proven history of developing action games - Strong grasp on C# and object-oriented programming - Familiarity with PC game development and compatibility optimization Applicants, please share your relevant portfolio pieces and prior experiences pertaining to action PC games development.

...software programmer who is proficient in Python, Java, and C++ to develop a small-scale software program primarily aimed at automating a specific task. The task itself is relatively simple, but the automation of it is critical to increase efficiency. Key aspects of the project: - The software program must be designed to automate a specific task. It's crucial that the programmer fully understands the task at hand to ensure a seamless integration of automation. - The scope of the project is small-scale, so the focus is on developing a functional, efficient automation solution. - Proficiency in Python, Java, and C++ is non-negotiable. The software is expected to be developed using these languages. Ideal skills and experience: - Proficiency in Python, Java, and...

I have code for login trading accound and fetch token data. I need to update more data from the code to my system.I need to collect live data from the web and candle stick, Mins Intervals are in Dropdown bo...from the Excel in the web and other details for each token, I will give token name in the excel, It will automatically display the rows of data. If i chanage time interval it will display those data only. Need ot automate the buy/sell order Note: I dont know about coding, If you install the code and run successfully at my system thereafter I will hire you and release the payment. If you agree this term you will apply this task Budet is 600 INR and Good review, Dont expect more I am not big fish. it is difficult job dont come for Money you should waste you time for unre...

Seeking an expert Access Developer to undertake some key aspects of a large-scale relational database for our office team. Tasks include: - Database Design and Development: Plan and construct a robust relational database incorporating more than 20 tables. - Form Creation and Customization: Create and customize user-friendly forms for data input and manipulation. - Report Generation and Analysis: Design analytical reports that will aid our decision making. Ideal skills: Proficiency in Microsoft Access, understanding of relational database theory and form design, experience with report generation and analysis. Prior experience working on large-scale databases would be a plus. This project offers a challenge but also a great opportunity for you to showcase your expertise and abil...

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that preve...with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they should. This job will evolve into continuous maintenance and development of bot's features. T...

I need a Joomla plugin developer to create a payment plugin specific to J2Store. Skills and Experience: - Joomla Plugin Development - Extension Specific for J2Store - API payment integration

I'm looking for an expert programmer proficient in Node, The bot was created to scrape coins from my Telegram group via API integration but currently, it isn't purchasing as expected. Specifically, I'd require someone who could: - Identify and fix the issues that preve...with the Latoken cryptocurrency exchange. This task would suit someone with a strong background in bot programming, API operations, web scraping, and experience dealing with cryptocurrency exchanges, particularly Latoken. Knowledge of crypto trading bots' operational peculiarities would be a major plus. Your task would be to get it back to working condition, ensuring all functions operate as they should. This job will evolve into continuous maintenance and development of bot's features. T...

I'm looking for a professional who can make a .jar file in Java 17 for me. It is intended to be a software product which I want to package and distribute. Here are the specifics: - Purpose: The main goal of this project is to create a .jar file that is user-friendly and easy to use for anyone who downloads it. - Platform: The .jar file should be compatible specifically with Windows operating systems. It should be tested and guaranteed to run smoothly on those systems. You should have: - Proficient in Java 17 and Eclipse. - Prior experience in creating .jar files for software products. - A good understanding of user experience and interface design to ensure the .jar file's usability. I'm open to suggestions on how to improve this project...

Good evening, I need help with a Python assignment and I also need programming tutorials in java, Python, mvc, php, Javascript, mysql, jQuery, html, css, asp.net, c#. The tutorials would be in Spanish. I need them as soon as possible.

I am looking for an expert developer who possesses an in-depth understanding of Java multi-threading, specifically the Executor Service method. The main task involves partitioning a loop in a program I'm currently working on. Key Responsibilities: - Understand and modify my existing Java code - Partition the given loop to enhance performance by effectively spreading the workload across different threads - Use the Executor Service method as the default way for threading Most importantly, to be considered for this project, applicants should highlight past roles or projects where they've successfully implemented a similar Java multi-thread solution. Additionally, having an excellent grasp of loop partitioning for performance enhancement will...

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I am facing an issue on my Windows system where the internet disconnects every time I connect to my OpenVPN. This issue is significantly impacting my ability to work remotely and access the resources I need. Key Points: - The issue started occurring when I began using OpenVPN. - I work on my system and the VPN is a critical part of my workflow. - The problem is specific to my Windows operating system. I am looking for a professional who has: - Profound experience with troubleshooting VPN connection issues, especially with OpenVPN. - Strong knowledge of Windows operating system networking and its interaction with VPNs. - Excellent communication skills and can guide me through the troubleshooting process in a clear and understandable way.

...seeking researchers in Stockholm, Sweden to conduct market research for a bar audit. The ideal candidate should have good communication skills. You will have to own and android mobile device in order to be eligible for this project. You will visit 20 bars in the city of Stockholm every month and the payment for this project is €200 (per month) In each bar you will assess 1 product using our app that you will download on your phone. Product costs will also be covered at the end of the project. Training material will be provided before the project begins. Please Note: You must be available to complete the project within 10 days of every month. A start date and deadline will be provided every month. Specific requirements for the project include: - Cond...

We are using an online field service software platform called Uptick for our field technicians to carry out inspections of fire systems. The online software we use generates a PDF report based on the field technician inputs. We have access to the CSS/HTML/DJango source code to modify the PDF output. We require a developer who will work with us to generate a PDF output based on our design by modifying the existing source code. Please note: The developer must be willing to discuss the project via [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] so that clear instructions can be discussed as to the required PDF output.

I am in need of a proficient WordPress developer who can carry out effective content management for my website. Specifically, my website primarily features written blog posts. Your primary tasks would include: - Managing less than 10 pages or blog posts on a regular basis. - Updating the blog posts as necessary to create dynamic and attractive content. Ideal Skills and Experience: - In-depth understanding of WordPress and content management. - Proven experience working with written blog content management. - Exceptional attention to detail, ensuring cohesiveness and effectiveness in content presentation. - Excellent time management skills to ensure regular updates. This project center around content management, with keenness on frequency and quality of updates. Looking for a...

More details: What platforms would you like the auto-rickshaw booking app to be developed for? Both What specific features should be included in the app? Real-time tracking, Integrated payment system, User rating system Do you have any design preferences for the app? Minimalistic and clean We can book auto using mobile phone, online through web portal and kiosk in the exhibition.

I'm in need of an expert Telegram BOT developer who can Develop Telegram bot for Solana blockchain Please apply only if you have develop any telegram bot related to blockchain

...a categories page and a products page and every single product has one main category and 3 subcategories will be able to add or change categories, subcategories, and products by Excel or JSON in CMD 2- brands > their products 3- offers > list of offers > their products There are offers page when you choose one of the offers you'll go to the list of their products 4- BestSellers 5- Rewards Point... 6- all in the target website we need it even though I don't list it here -when you go to every single page form above, will find a filter on the left side for categories and pin which category we are on, and other filters(Brands, Ratings, Price, type of offers, Gender, Life Stage, and more) -there is a list of classifications we will provide, and every...

We are in search of an intermediate level Java developer with in-depth knowledge on multi-threading. The main task presents a for loop which needs to be partitioned between n number of threads. Your skills and experience should include: - Solid understanding of Java programming language - Hands-on experience with multi-threading in Java - Proven experience with running Java applications with multiple threads To ensure your competency for the task, applicants should provide documentation of past work specifically highlighting instances with similar programming challenges. Join us in this interesting endeavor, let's make the code more efficient together!

We are a print publication and every month, we need to publish online all the articles that are published in our magazine. This is time consuming for us. All you need to do is copy and paste the text into a post, add the pictures, set to the correct category and select correct author. This would be 15-20 articles per month and we are willing to pay $5 per article.

Java based app backend for tourism activities need 2 things. 1 - add a copy activity in activity page to copie a existing activity content to a new one 2 - migrate backend from vps centosOS to cpanel based hosting.

...it includes all of the applications submitted for environmental permits. Here is a link to the database: Please go over all of the records, and filter ones that match all criteria: 1. EIA Screening Application/Statement or EIA Scoping Application/Statement and 2. The application is for an activity in the sea Start a new spreadsheet, and for every such record, meeting the above criteria, add a row to the spreadsheet including: date of the record, screening/scoping, title of the application (translated to English), a url linking to the application on the NEA website. In addition, download the screening/scoping report document, translate it to English with Google translate, and provide it as well. Start the search from most recent and search

I am in need of a skilled Django Developer to work with my team in my office in Delhi on a 4-week contract or less. Key responsibilities: - Collaborate on the development of a Django application - Implement and maintain a secure, efficient and scalable back-end - Integrate APIs as and when required Skills required: - Strong expertise in both back-end and database management - Proficiency in Django - Experience with secure and efficient code - Efficiency in API Integration and Django Rest Framework Please note that this position requires onsite presence in Delhi, so only those who can commit to this requirement should apply.

I am looking for an experienced wedding photographer who excels in traditional style photography for capturing every crucial moment of my special day. The project involves: • Pre-wedding photography. • Capturing the wedding ceremony. • Coverage of the reception. Key requirements include: • Excellent traditional photography skills. • Ability to capture in multiple settings. • A keen eye for capturing every potential memorable moment. Your portfolio of past weddings captured in the traditional style would help me make the decision. Please detail your experience and your ability to document the entire day comprehensively.

As my site's load speeds are already under 3 seconds, the primary focus of this project will be SEO, particularly improving my site's on-page SEO. In this regard: • Evaluating and enhancing the page structure for better user engagement and search engine crawling. • Strategically placing SEO keywords in the content for better visibility. • Optimizing images, videos, or any other media forms. • Working on meta descriptions, headers, URL structures, and internal links. For this task, you need to have a strong understanding of WordPress, SEO, and user experience. Experience with optimizing websites with a similar load speed is a plus.

...- Proficient in research and fact-checking - Familiarity with skills, training, programming, swimming destinations, open water safety, coaching qualifications, swimmers needs - Ability to translate sport science jargon into layperson terms With content expected each week, the right freelancer must be reliable and able to manage regular deadlines, while maintaining a high standard of quality in every piece. Could be fortnightly of course also for the right candidate. Skillset required: - Exceptional writing and editing abilities. - Deep understanding of swimming across various scales (from beginner to professional levels). - Proficient in different swimming styles, including but not limited to freestyle, breaststroke, and butterfly stroke. - Familiarization with swimming gear, i...

I...virtual assistant to help me with my job hunting in the technology sector. The role of the virtual assistant will primarily involve: - Job application submissions: The ideal candidate should be proficient in submitting job applications online, particularly for senior-level positions in the technology industry. This includes customizing cover letters to match job descriptions and ensuring that all required documents are submitted. Sharable resources: - resume - guide doc. Salary: $25 per week Responsibilities: - open job board platform accounts with my profile - apply for 200 proper jobs matching my profile every weekday - record them in the google sheet. Requirements: - fluent English is a must - prior experience working on similar stuff - software engineering knowled...

I am seeking a skilled developer fluent in Solidity to develop a web3 smart contract using the Base Sepolia Test Net. Your task will involve: - Developing web3 integration - Designing the simplest UI possible Ideal candidates should have previous experience with Ethereum blockchain technology, Solidity programming distinct to the Base Sepolia Test Net, and the creation of adaptable user interfaces. A background in web3 integration is highly desired. Please provide samples of smart contracts you've developed or relevant project references in your bid.

I'm seeking an experienced WooCommerce developer who can also tackle SEO. (Note: Site is 97% Complete, you will be doing 3%) to Flip the swicth to Live Domain. Key Responsibilities: - Implementing advanced SEO techniques using Rank Math SEO (Paid) to optimize the site. (Installed) - Providing assistance in identifying target audience and keywords for the SEO campaign. -We are seeking a skilled WooCommerce Developer/SEO Specialist to join our team and optimize our newly migrated e-commerce store on WordPress WooCommerce. As a pivotal member of our team, you will be responsible for ensuring the site's optimal performance, visibility, and user experience through effective web development and SEO strategies. Our newly migrated site is ready to switch to the live domain...

I'm looking for an intermediate-level Node.js developer who can help me in building a server-side API and real-time applications. Key Responsibilities: - Develop server-side API: You will be responsible for creating a robust server-side API that can handle data requests efficiently. - Build real-time applications: You should have experience in developing real-time applications that provide seamless user experience. Ideal Skills and Experience: - Hands-on experience with Node.js and server-side development. - Familiarity with real-time application development. - Proficiency in using frameworks like , , and will be a plus. - Prior experience in building scalable and performant applications. - Intermediate level of experience and expertise in Node.js development.

...the included CX Navigation Script. - Skillset: Proficiency in HTML and Java is a must-have. - Design: The project entails taking the existing HTML design attached and improving its functionality via a combined/redesigned menu bar. Creating a more modern, clean, and user-friendly design that reflects a minimalist aesthetic. Along with adding the below improvements. Birthday Pop Up (Modal/TBD): Currently titled as (openpop1) to be triggered upon selecting the “Caller is verified” #button# in the “Inbound Opening Call Script”. If the requirements are met that are currently in the script then it should populate on the screen. However, the end user should not have to interact with the pop up to make it go away. They should be able to cl...

I have a VBS script which downloads files from a server to the a folder on my local machine or onto AWS (MS Win Server 2012 R2). This script can be manually activated (double click) or via Task Scheduler. Recently the script stopped working. I think it has to do with AWS permission/read/write errors. I need to have this investigate and fixed. The person needs to understand AWS EC2 and VBS and JS scripting.

Hello, I need a developer with a lot of experience in Java, Python and Socketweb - with the ability to create and solve problems with easy understanding of codes The rest of the details will be given to the correct developer

I need to create new functions in a system based on React.JS, Java Script

...with barcode generation, scanning, stock quantity tracking, and weight measurement functions. The system should enable me to: - Generate and scan barcodes for every product in my stock - Track the quantity of each item I have in stock - Measure the weight of my stock in grams I prefer a cloud-based solution that can be accessed and updated from any internet-connected device. The software should have an easy to use interface and be able to: - Enable manual entry of stock data - Support updating stock information by scanning barcodes - Automatically update stock data from my sales records The software could be developed in Excel, as long as it's accessible online. As a freelancer, you should have experience in developing similar solutions and a deep un...

I'm in need of an Android App developer who has a deep understanding of troubleshooting and resolving video playback issues, particularly with MP4 format. Currently, videos within my app are buffering and failing to load fully, which disrupts the overall user experience. - Competencies Required: - Extensive experience with Android App development - Specific experience in handling video-related issues in Android apps - Deep knowledge of MP4 video format in relation to app integration Your task is to diagnose and rectify this issue ensuring smooth and complete video playback. I would appreciate if you include your diagnostic plan in your proposal.

urgent php laravel for website and api mobile app development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any specific pages or features on the website where these bugs occur more frequently? Homepage, Login/Registration, Product pages; Checkout process

We are looking for registered Nurses in Italy, Spain, France and Germany to participate in a very short and engaging online Medical Education research project. The task has two layers: -Participate in a very short online survey about Medical Education content -Recruit other Nurses to participate in the activity. Every recruit is reimbursed for their participation. Only registered Nurses from these countries should apply, please.

More details: What specific functionalities do you want for your Shopify website? Custom theme development, Responsive design, Integration with third-party apps Do you have a design or wireframe for your website? Yes Do you have a preference for certain third-party apps to be integrated with your website? This question was skipped

I want to scrape daily leads from LinkedIn Jobs, Indeed Jobs, , etc. The task involves extracting data from these job sites and exporting it to Excel sheets. It would be preferable to have some kind of automation that reduces human dependency in obtaining leads every day. If someone has already set up a similar process before, I would prefer that. Preference will be given to those who have previously performed lead extraction tasks for recruitment websites.

I am looking for an experienced Android developer to help with a couple of key issues in my app. The primary focus should be on UI improvements. Key Tasks: - Refactoring and enhancing the UI of my Android app - Improving the layout and design, including color scheme and branding, typography and font styles, iconography and visual elements - Ensuring a smooth navigation flow - Enhancing user interaction and feedback Other requirements: - The app's token refresh mechanism must be revised and optimized - You should be able to ignore battery optimization permission I would ideally like a freelancer who is experienced with Java, Android Studio and UI/UX principles. Experience with token refresh mechanisms and battery optimization is also highly desirable. Ple...