Java ukraine contractor jobs

I'm seeking a distinguished programmer fluent in Java and C. Experience in both languages is essential, as the project will involve intricate tasks that require thorough understanding of the languages. I appreciate precision, good communication, and dedication. Although there's no specific deadline, I put great value on progress and regular updates. Please include examples of your previous programming work in the bid. Skills/Experience: - Proficiency in Java and C - Strong problem solving abilities - Excellent communication - Attention to detail

...buy orders based on certain criteria (fdv, volume, transactions etc) and sends order from solana wallet please tell me in general how you would go about this so i know you are suitable for the task? I'm seeking a proficient coder, experienced with Python or Java, to create a system that integrates with Solscan API to provide real-time updates and send Telegram message and second part of project a buy order ideally based on certain criteria. ideally stage 1 completed in two weeks. Key Requirements: - Proficiency in Python or Java programming - Prior experience with API integration, notably Solscan - Ability to deliver the project in two weeks The selected freelancer will demonstrate a solid understanding of creating real-time updates using APIs. Knowledge and ...

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Do you have 8plus years of experience with java and springboot I'm seeking expert assistance to code an API for my existing business operations. Amidst the myriad of functionalities, the paramount one is to provide stringent and robust user management services, incorporating elements like user authentication, access control, and profile management. Key responsibilities will include: - Development of the entire API using Java and Springboot. - Establish secure user authentication processes. - Implement precise access control mechanisms. - Create and manage user profiles, ensuring systematic profile handling. Ideal Candidate: - Strong experience with Java/Springboot for API development. - Proficient in implementing user management fun...

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

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

Typical Functions: Data Architecture: Leverage your 5+ years of experience in designing and optimizing database solutions. You’ll work closely with stakeholders to create a robust data architecture that seamlessly integrates various data sources. Programming Languages: Demonstrate proficiency in Java and C#. Your code is not just functional but elegant. Team Leadership: As a seasoned engineer, you’ll mentor junior team members, foster collaboration, and drive technical excellence. Cloud Solutions: Familiarity with Azure or AWS is essential. You’ll architect, deploy, and manage cloud-based solutions. Data Import Strategy: Devise a robust strategy for importing data efficiently, ensuring data quality, and maintaining performance. Collaboration: Work closely with cro...

...other related software as needed - access will be provided. Additional Qualities: • Excellent communication and interpersonal skills. • Enthusiastic, easy-going, and possesses a good sense of humor. • Self-motivated and capable of working independently. Compensation: • The hourly rate is negotiable. Minimum compensation for 2 hours is guaranteed per session • Payment is as a 1099 independent contractor and a W-9 IRS form will be filled out. • Potential for ongoing projects and long-term collaboration as new products are continuously introduced. About Me: I am experienced in photography, highly creative, and well-versed in digital editing tools. Known for my fun and quirky approach, I value originality and am eager to work alongside som...

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

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

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I require an expert proficient in Python, SQL, and Java to work on a Codility assessment. The assessment will be conducted at an intermediate level and will be inclusive of various tasks that I will be solving in the language of the question. Key Requirements: - Comprehensive Knowledge in Python, SQL, and Java - Proficiency in tackling Codility assessments - Understanding of the assessment's specific concepts and frameworks Remember to adhere to Codility's test format and code-writing guidelines. Your completion and success of this project will greatly depend on your ability to grasp and execute these particularities.

Looking for a talented Java developer to build a to-do list application with a focus on Object-Oriented Programming (OOP). The application will be simple yet effective, featuring offline usage capability which is crucial for productivity in various environments. Key Requirements: • Application Compatibility: The app must be compatible with Windows, Mac and Android platforms. • Offline Functionality: The app should allow users to continue using without a constant internet connection. Skills and Experience: • Proficient in Java OOP. • Extensive experience developing applications for different platforms. • Good understanding of implementing offline capabilities in applications. Application Guidelines: • Freelancers are required to provide d...

I need assistance to solve three coding tasks using Python, Java, and SQL. The challenge involves - Analytical problem-solving - Implementing quality checks - Code compilation The challenges require proficient skills in the aforementioned languages, while also ensuring code efficiency. Prior experience in problem-solving and understanding how to efficiently check and maintain the quality of code is a big plus.

...Also a separate user account should be created to access this database. The user should have read/write access, I will again supply the username and password via command line. - The solution should include a set of servers to run both backend and frontend services. I want to be able to make a small change in the script to scale up or down the number of servers. This servers need to run AWS Linux, Java 21, node js 12, and datadog agent. We will start with 1 EC2 instance but as I said I want to be able to change that value and scale up (or down as needed). - The EC2 instances need to upload a config file for Datadog agent, part of this we need to supply the datadog api_key, which will be supplied in the command line via variables. The script needs to update that key in the datado...

I need a coding whiz capable of handling a rigorous coding assessment on my behalf. Proficiency in Python, Java, JavaScript and NPL. I have my recorded answers already just need someone to help me make sure they are correct. The use of AI like chatgpt will not work for this. - Assignment Details: The assessment will include tasks revolving around Algorithmic Problems and Object-Oriented Programming Problems. - Ideal Candidate: A highly experienced developer with a proven track record handling similar tasks and delivering under tight deadlines. Please, only bid if you meet the above criteria and you're ready for an immediate start.

I'm in need of a talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous in...talented DevOps engineer, proficient in AWS and GitHub Actions, to assist with an array of DevOps tasks. Key Tasks: - Deploying web applications - Infrastructure automation - Continuous integration and deployment (CI/CD) The applications are built using Java, requiring deep expertise in this language for effective collaboration. To succeed in this job, a solid understanding of web applications, coupled with extensive experience using AWS and GitHub Actions, is critical. Automation skills are also vital. Join us and help make our Java web application deployment s...

Looking for a reliable Android developer proficient in Java to design a new application with specific features that fulfill my needs. The ideal candidate would have extensive experience in: - Developing on the Android platform specifically for smartphones. - Implementing social media integration into apps, as this is a vital aspect to my project. - Adding advertising capabilities to apps. Experience with different ad formats and placement strategies would be beneficial. - Redesigning and improving upon User Interface (UI) to create an optimal user experience. In-depth knowledge of Java is crucial, as it's the preferred programming language for this project. Familiarity with in-app purchases and working in offline mode would be a bonus, although not a requirement. This...

I'm in need of a skilled Java developer to build an Android app for me. Essentially, I have a code that I'd like to transform into a user-friendly, medium complexity application. It should allow me to input values straightforwardly, and upon entry, it would calculate and generate a result. Key Requirements: - Write clean, maintainable and efficient Java code - Develop intuitive, medium-complexity user interface - Implement the capability of retrieving inputs and performing given calculations - Ensure compatibility with Android platform - Pay attention to details and put user experience in front of everything Ideal Skills: - Solid experience with Android development using Java - Proven track record in creating user-friendly applications - Exceptional probl...

...focus for this project is the Java code implementation. I'm looking to hire a freelancer who can create class diagram and help me translate a class diagram into well-crafted Java classes. Key Tasks: -Create diagrams - Translate a modified class diagram into Java classes - Ensure the Java classes are correctly implemented according to the diagram Your responsibilities will include: - Adding products to the rental cart - Calculating rental fees and duration - Processing payment - Generating a rental invoice Your expertise in Java and software design will be crucial for this project. I anticipate that this task will involve a deep understanding of class design as well as an understanding of the rental business process. Please include examples o...

build desktop appication from scratch using java processing

I'm looking for a professional who can help me create HackerRank for three algorithmic tasks to be completed within 90 minutes The ideal candidate should: - Be proficient in Python and Java, with a strong understanding of data structures, algorithms, and object-oriented programming - Have experience in creating programming challenges or assessments - Be able to design medium difficulty tasks that are both engaging and challenging - Familiarity with HackerRank platform is a plus I will provide more detailed requirements and guidelines once we kick off the project. Looking forward to working with an expert in this field.

I'm looking for an experienced Java developer to create a custom compiler. It will be geared towards handling key Java features including Object-oriented programming, Exception handling, and Generics. Key requirements: - Ability to write a compiler in Java - Strong understanding of Java's key features (OOP, exception handling, generics) - Previous experience with developing compilers is a plus The project doesn't specify a particular version of Java, but the ability to work with different versions may be beneficial. Please provide examples of previous compiler projects or relevant work.

I need some Android developers in java I need work from New freelancers I need work for long term but at low budget I need a serious and hard working persons

An app similar to Uber and Lyft. 1. Mobile App Development: Proficiency in mobile app development platforms such as iOS (Swift) and Android (Java/Kotlin). Experience with cross-platform development frameworks like React Native or Flutter can be beneficial for building apps that work on both iOS and Android. 2. Backend Development: Strong understanding of backend development technologies and frameworks like Node.js, Python (Django/Flask), or Ruby on Rails. Knowledge of databases such as MySQL, PostgreSQL, or MongoDB for storing user data, ride information, and other relevant data. 3. Geolocation and Mapping: Familiarity with geolocation services and APIs for tracking user location and providing real-time navigation. Experience integrating mapping and routing APIs such as Google Ma...

I'm seeking a knowledgeable professional to migrate our existing Java codebase and tests from Cucumber to Maven. Matcher skills and qualifications should include: - Proficient in both Java, cucumber and Maven - Experience in migrating code between frameworks with in java - Ability to ensure codebase and test functionality remains intact post-migration Interested experts, DM for further information. No additional features or functionalities needed at this stage beyond successful migration.

I need an expert who can enhance my existing Java application, which currently translates MATLAB code to X10, to also support C++ as a target language. Key Modifications: - **Update Syntax Translation Rules**: The modification requires a deep understanding of both MATLAB and C++ syntax. The existing rules for translation from MATLAB to X10 need to be adjusted to C++. - **Add Support for C++ Specific Libraries**: The modified application should be able to integrate commonly used C++ libraries seamlessly. Accuracy and Time: - **Accuracy is Key**: The conversion of MATLAB code to C++ needs to be precise. While I'm open to additional development time, the primary goal is to ensure the accuracy of the conversion. - **No Specific Library Requirements**: Though the modification n...

I'm seeking for a proficient game developer to construct an adventure puzzle game in Java with particulars emphasis on level exploration and timed challenges. Key task aspects include: - Developing levels that encourage and facilitate exploration - Incorporating time-based challenges to add dimensions of difficulty and engagement - Applying 2D pixel art graphical style to all elements of the game Ideal candidate should have: - Proficient expertise in Java and game development - Strong background in crafting 2D pixel art for games - Prior experience producing explorative puzzle games or implementing time-based mechanics.

I have a small-sized picture that I am looking to resize and redesign to fit on a backdrop wall for a corporate event. The contractor should be able to print the design without any further resizing. The key requirements for this project include: - **Resizing**: The picture needs to be resized to fit the size of a backdrop wall. - **Redesign**: The picture should be redesigned with few touches to fit also the backdrop wall The ideal freelancer for this project should have a strong background in graphic design, and be able to work within set dimensions and color schemes. Experience with corporate event visuals, and an eye for minimalist and modern designs would be a plus.

...software development, or another related field; a master’s degree is recommended Solid understanding of common programming languages used in AI, such as Python, Java, C++, and R Advanced knowledge of statistical and algorithmic models as well as of fundamental mathematical concepts, such as linear algebra and probability Experience working with large data sets and writing efficient code capable of processing large data streams at speed Familiarity with deep learning and machine learning algorithms and the use of popular AI/ML frameworks Excellent communication skills The ideal candidate will have substantial experience with Python, Java, R programming and API handling. Your main task will be to leverage these languages to develop an AI system centered on image recog...

I am in need of a JavaFX expert to help me create a data visualization application. The main ...main aim of the application is to visualize data in a graphical format. Key Requirements: - The application must be compatible with Windows - The main function of the application should be data visualization - The data visualization should include the ability to paste array lists Ideal Skills and Experience: - Proficient in Java and JavaFX - Strong understanding of data visualization techniques - Experience with creating GUIs in Java - Knowledge of array handling in Java Please note that the primary task is to create a JavaFX application to visualize data and allow for front-end pasting of array lists. Your experience in these areas will be crucial for the successful com...

I am in need of a proficient technician capable of handling both on-site and off-site mechanical and electrical repairs, battery replacement, as well as part servicing for bot...mechanical and electrical repairs, battery replacement, as well as part servicing for both motorized wheelchairs and electric scooters. Key Requirements: - Expertise in mechanical and electrical repairs - Experience in battery replacement and parts servicing - Flexibility for both on-site and off-site service - Proven track record with motorized wheelchairs and electric scooters. The ideal contractor will have extensive experience and a demonstrated track record in dealing with these types of equipment and can provide high-level expertise and service to keep them operational. Malaysians or Singaporeans ...

I urgently need a professional to integrate SunPay Payment Gateway into my Android app. Gateway is already working. Just need to fix few integration related issues. Key responsibilities: - Establish a fluid an... Gateway is already working. Just need to fix few integration related issues. Key responsibilities: - Establish a fluid and secure payment process through the SunPay system - Ensure optimal user interface for the payment process - Execute rigorous testing to guarantee a flawless user experience Ideal candidate will have: - Extensive experience in Android app development - Proficiency in PHP, Java and Kotlin - Proven record with integrating payment gateways, particularly SunPay, into Android apps - An ability to work under a tight deadline. This project needs to be compl...

...send automated service reminders to customers. Targeted Development Approach: To ensure cost-effectiveness, the initial development will focus on the core functionalities listed above. Additional features like QR code support and SMS reminders can be incorporated in future updates based on budget and project needs. Required Skills and Experience: Strong proficiency in Android app development with Java/Kotlin. Experience with integrating external hardware (RFID reader) with Android apps. Understanding of data management and user interface design principles. Ability to deliver a clean, efficient, and user-friendly application. We look forward to collaborating with a talented developer to bring this project to life. Please provide your portfolio and estimated project timeline and co...

...final year of a computer science degree and would like to outsource my final year project. The project will focus on data analysis, particularly using Java. Key Requirements: - Java Proficiency: The project is heavily focused on Java, so I expect the freelancer to have strong Java programming skills. - Data Analysis Expertise: The project requires a deep understanding of data analysis techniques and tools. - Understanding of Computer Science Principles: Since this is a final year project, I need someone who has a solid grasp of computer science principles and can implement them effectively. Ideal Skills and Experience: - Strong background in Java programming - Proficiency in data analysis tools and techniques - Experience in developing data analysis...

Code review as per message /chat

I am in search of a proficient developer having in-depth knowledge of Java, Angular, React, and AWS. Your expertise will be utilized for developing a robust project from scratch. Key Responsibilities: - Write clean, high-quality, high-performance, maintainable code - Develop and support software including applications, database integration, interfaces, and new functionality enhancements - Maintain and improve the performance of existing software Key Skills and Experience: - Extensive experience with Java, Angular, React programming - Knowledge of Spring Boot framework - Familiarity with deploying projects on AWS - Strong debugging and problem-solving skills This is a demanding yet rewarding project, and your dedication will be highly valued. Looking forward to working w...

Hi Sophia B., Here is another project for you. Thank you, G

...touchscreen and card reader. 2. Connect a USB camera that measures foot traffic and work with our help desk to configure and test. 3. The building contractor has already set up Ethernet cables and a patch panel. Ideally, you will have tools in case one of the jacks doesn't work it can be tested and crimped quickly instead of having to reschedule the cabling contractor. 4. Install a 24 port PoE switch (provided) on a rack and connect patch cables (provided) to the switch (need screwdriver). 5. Test Internet device provided by ISP and provide our helpdesk with SSID, password. 6. Cameras were already set up by the construction contractor. Need to connect and configure NVR, connect the cameras to jacks via patch cables and work with our helpdesk to c...

I'm looking for a skilled developer to migrate our Java-based desktop application onto the AWS cloud. The project involves: - Hosting the existing Java-based desktop application on an AWS cloud instance. - Implementing a multi-user access system. - Integrating a MySQL database component. - Developing a Python-based web interface for users to change settings. The ideal candidate should have: - Proficiency in Java, Python, and MySQL. - Prior experience with cloud hosting, particularly on AWS. - Knowledge of user access control systems, particularly Discretionary Access Control. - A good understanding of desktop-to-cloud migration. - Strong communication skills and attention to detail. We need a developer who can take a Java based desktop application an...

...experience in software development (language) and be passionate about creating high-quality Responsibilities: Collaborate with us to design and develop the platform . Write clean, efficient, and maintainable code. Test and debug software to ensure functionality and performance. Work on constructive feedback. Stay up-to-date with emerging technologies and best practices. Requirements: Proficient in Java, J2EE, Spring MVC, Spring Core, Spring boot and JavaScript. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA, Hibernate) 5+ years of hands-on experience in designing, developing, testing and maintaining RESTful APIs and Microservices 4+ years of experience in API layer security (e.g., JWT, OATH2), API logging, API testing, creating REST API documentation...

...a secure connection to an Oracle 19c database using JDBC. - Implementing CRUD operations (Create, Read, Update, Delete) features within the application. - Ensuring the application is optimized for efficient data handling and processing. Security Requirement: - The application must be able to securely access the database using username/password authentication. Ideal Candidate: - Proficient in Java and Springboot framework development. - Experienced with Oracle database SQL and JDBC connectivity. - Prior experience in implementing secure database connections. - Familiarity with various CRUD operations and database optimization techniques. If you have a solid background in these areas and are confident in your ability to deliver a robust, secure, and efficient Springboot applica...

...Additional Details This is a remote freelance opportunity with the potential for future extended collaboration. In your proposal, please share your portfolio and approach to tech solutions for client-focused businesses. Budget: Flexible based on experience and proposed deliverables. Timeline: Looking to start within the next month. I am excited to review your proposals and find the right contractor to propel our new virtual mediation business forward!...

i need someone expert at java to help me

I am looking for an experienced app developer to create a service booking app for both iOS and Android. Key Features: - Cross-platform availability. - Smooth user interface for ease of booking services. Ideal Skills and Experience: - Strong experience in creating iOS and Android apps. - Proven track record in coding frontend and backend services. - Expert in Java, Swift, and Flutter. - Strong understanding of current design trends for service booking. I anticipate that this project will require both creativity and technical know-how. Freelancers with experience in developing service apps will be given priority.

I'm looking for a proficient Java professional with a knack for computer graphics processing. Key tasks include: 1. Image Rendering: This should be real-time, adept with creating immediate visual effects. 2. 3D Modeling: You should be able to develop sophisticated three-dimensional visual effects. you are required to develop an interactive graphical application that visualises the population of the different cities within the UK according to three censuses on a supplied map. The program must allow switching between the three sets of data. You will also need to find the location of each city on the map and calculate its coordinates.

I'm seeking a skilled programmer to redesign and enhance the aesthetics of my e-commerce website. Key considerations for this project include: - Revamping and modernizing the existing site interface. Expertise in Html, Css, and Java is a must. Graphics and banners need a complete overhaul. However, no changes are required in our logo. - The main purpose of the website is e-commerce. It's crucial for the freelancer to have a strong understanding of online retail dynamics. - Implementing a functional and user-friendly shopping cart is of the highest priority. Past experience in developing e-commerce features, particularly shopping carts, will be highly regarded. Note: Bidders need to showcase samples of their previous work, primarily related to e-commerce sites. Ideally,...

...airplanes, drones, VTOL, and quadcopters. The primary purpose of this project is for commercial use, so the aircraft need to be robust, reliable, and able to cover long distances, specifically 2 kilometers or more. This project will incorporate structural elements building up the sub-structure and outer skin shape. Very clear guidance will be given on aerofoils, internal volumes etc but the contractor must have some design flair to refine the shapes in line with target outcome. Output would need to align with Fusion 360 and CNC files Key requirements: - Design and build various types of RC aircraft, including fixed-wing airplanes, multirotor drones, VTOL and quadcopters - Ensure the aircraft are capable of long-range flights, covering distances of 2 kilometers or more -...

We are currently seeking a skilled Python developer to work as an external contractor on an hourly basis. The primary responsibilities will include developing a custom customer database tailored to our needs, where we can input various data such as photos, contact details, resumes, etc., and leverage machine learning algorithms for analysis. Additionally, there will be tasks involving automation and training and fine-tuning of models using tools like OpenAI's GPT-3, specifically Whisper. Key Responsibilities: Design and develop a specialized customer database for efficient data management. Implement machine learning algorithms for data analysis and insights generation. Create automation scripts for repetitive tasks. Train and fine-tune models using Whisper (OpenAI) with our o...