Empregos java freelance rio de janeiro jobs

I am looking for a skilled web developer to develop a web-based multi-asset portfolio tracker application. The application will allow us...Work collaboratively with the project lead and provide regular updates. Your Qualifications: Proficiency in Django web development Experience with React for building user interfaces Understanding of financial data concepts (a plus) Familiarity with open-source development principles Excellent communication and collaboration skills Ability to work independently and meet deadlines This is a freelance position with a competitive rate. Please include your hourly rate and relevant experience in your proposal. Note: This is an initial project focused on core functionalities. Additional features and integrations can be discussed based on progress a...

Are you a skilled programmer with a passion for innovative solutions? We're seeking a talented individual to join our team on a freelance basis to develop cutting-edge software for electronic component counting. Project Overview: We aim to create a software solution capable of accurately counting electronic components based on weight measurements. The concept involves establishing a database of various components, each with its corresponding full and empty package weights. The counting process will occur on a scale, where after placing the component on the scale, the software will deduct the empty package weight from the total weight to determine the number of components remaining in the package. Key Requirements: Proficiency in software development, particularly in the real...

I'm in need of a skilled Java developer to create a desktop application with a modern and sleek user interface for the Windows operating system. The application will be to develop and maintain trading applications. - User authentication: The app should have a secure and user-friendly authentication system that allows users to log in and access the application's features. - File management: The app should provide users with the ability to manage files and folders in an intuitive and efficient manner. - Data visualization: The application should also include interactive and visually appealing data visualization features that enable users to analyze and interpret data effectively. The developer should have strong experience in Java programming and desktop applicati...

I'm in need of a proficient JAVA Jasper developer to design multi-chart - bar, line, and pie charts specifically. You will be using data from a MySQL database. Ideal skills and experience: - Advanced knowledge in JAVA Jasper - Experience in chart design - Proficiency in manipulating and extracting data from MySQL Databases Key responsibilities include: - Designing and implementing interactive and visually appealing multi-charts in JAVA Jasper - Building robust connections to MySQL database - Ensuring the seamless extraction of data from the MySQL database to be used in the charts. Your expertise will be crucial to conveying complex data in a clear, concise manner. It's critical that you're able to design in JAVA Jasper, use MySQL databases, a...

I am seeking freelance interpreters to assist with communication in Indonesia (Jakarta), Thailand (Bangkok), Singapore, and Malaysia (Kuala Lumpur/Penang). Interpreters should possess proficiency in at least one of the following language pairs: - Indonesian to Chinese - Thai to Chinese - Malay to Chinese - English to Chinese **Key Requirements** - Location: Jakarta, Bangkok, Singapore, Kuala Lumpur/Penang - Duration: Full day (up to 8 hours) Ideal candidates should have the following qualifications: - Fluency in Indonesian, Thai, and Mandarin Chinese - Extensive experience in interpretation - Excellent communication and interpersonal skills - Familiarity with local customs and business etiquette in respective countries - Punctuality and reliability - Willingness to ensure smooth ...

I am seeking freelance interpreters to assist with communication in Indonesia (Jakarta), Thailand (Bangkok), Singapore, and Malaysia (Kuala Lumpur/Penang). Interpreters should possess proficiency in at least one of the following language pairs: - Indonesian to Chinese - Thai to Chinese - Malay to Chinese - English to Chinese **Key Requirements** - Location: Jakarta, Bangkok, Singapore, Kuala Lumpur/Penang - Duration: Full day (up to 8 hours) Ideal candidates should have the following qualifications: - Fluency in Indonesian, Thai, and Mandarin Chinese - Extensive experience in interpretation - Excellent communication and interpersonal skills - Familiarity with local customs and business etiquette in respective countries - Punctuality and reliability - Willingness to ensure smooth ...

I am seeking freelance interpreters to assist with communication in Indonesia (Jakarta), Thailand (Bangkok), Singapore, and Malaysia (Kuala Lumpur/Penang). Interpreters should possess proficiency in at least one of the following language pairs: - Indonesian to Chinese - Thai to Chinese - Malay to Chinese - English to Chinese **Key Requirements** - Location: Jakarta, Bangkok, Singapore, Kuala Lumpur/Penang - Duration: Full day (up to 8 hours) Ideal candidates should have the following qualifications: - Fluency in Indonesian, Thai, and Mandarin Chinese - Extensive experience in interpretation - Excellent communication and interpersonal skills - Familiarity with local customs and business etiquette in respective countries - Punctuality and reliability - Willingness to ensure smooth ...

Hello, I want a website kind of single product selling, usually in the latest tech stack; the front end can be in angular, react, etc., and the back end can be in Java/Kotlin-based micro-services, with relational db support. Initially, we can launch a website on a cloud basis infra. Later, we can move it to locally. First, I want to have a demo short of; if you understand the requirements, you can suggest ideas, design, and update requirements accordingly, having a product mindset and Indian market. I am a backend tech person, so I understand all this easily and very broadly, but I want to invest my time in product ideas and business, not website creation, myself. We will start with basic things as below: Showcasing what product we have, its benefits, cost, how beneficial for w...

Who Are We? PeaceGeneration Indonesia is a social enterprise engaged in learning media, training, and peace education campaigns. Since 2007, PeaceGen has been actively working with various donors and strategic partners to promote peace in Indonesia. We currently have several projects focusing on capacity building for socio-emotional learning using the 12 Basic Values ​​of Peace approach. The 12 Basic Value of Peace consists of the following: (1) Accepting Our Self (2) No Suspicious No Prejudice (3) Ethnic Diversity (4) Religion Differences (5) Gender Differences (6) Social Status Differences (7) Group Differences (8) Celebrating Diversity (9) Understanding Conflict (10) Reject Violence (11) Admit Mistake (12) Apologize.

We are currently extending our Java Spring application and are searching for support within the area of Spring Authorization Server and Security. We want to use Spring Authorization server within our multi-tenancy approach. We need to provide different logon mechanisms starting from OAUTH2 (Azure, Google, ..), over Social Logins, API Tokens and regular JWT Tokens. We are searching for somebody who can support our development team in this area.

Job Description: We are seeking a highly skilled and knowledgeable freelance researcher to conduct a thorough investigation of all aspects of the Education, Health, and Care Plan (EHCP) process. The goal is to compile a comprehensive reference resource that will be used to inform an AI chatbot and a training course. This project aims to enhance understanding and support for individuals navigating the EHCP process. We are not looking for a report just substantial research with reference points Responsibilities: Comprehensive Research: Conduct detailed research on the entire EHCP process, including legal precedents, current laws, and local authority policies across different regions. Documentation Review: Analyze and summarize key documents, guidelines, and frameworks related to EH...

I'm a passionate logo designer seeking an experienced marketing and branding expert to enhance my visibility and attract more clients on Freelancer.com. Here's what I'm looking for: - An assessment of my current Freelancer.com profile and portfolio. - Expert advice on optimizing my profile to showcase my skills effectively. - Development of a clear, targeted marketing strategy to in...generation for freelancers. - Excellent communication skills and the ability to provide actionable insights. - Knowledge of the latest trends in logo design and freelancing to keep my services competitive. Together, we will work towards building a strong online presence that reflects the quality of my work and attracts the right clientele, ensuring a steady stream of projects and growth in my...

Indian Expert JAVA Developer required for desktop application customization. Need senior only. not easy work.

I am in need of a skilled software developer with superior expertise in Android mobile app development. The operating system I am interested in is Android and the software to be developed is a mobile application. However, the main function of the mobile app is yet to be defined, but this shall be communicated clearly once a freelancer is selected. Ideal Skills: - Android Development - Java - Kotlin - UX/UI Design Experience: - Proven experience in mobile app development - Portfolio of released applications on the App store or the Android market - Solid experience in mobile app development life cycle.

I need an experienced cucumber expert to write down test cases using the Gherkin language for the testing of my Java-built REST API. • The testing will involve a Java-based REST API implementing OAuth 2.0 for authorization. • You will require knowledge and experience in both Java and REST APIs. • Proficient in API testing methodologies, and identifying endpoints and corresponding HTTP methods. • The ability to build comprehensive Gherkin scenarios is critical. An ideal freelancer should be proficient in Java, familiar with REST APIs, and experienced in using Gherkin language for API testing. Experience in OAuth 2.0 authentication method is also necessary.

I'm looking for a skilled Java developer to implement a web-based Uno card game. The project involves multiple layers and components, all of which need to be developed from scratch. Key requirements: - Database Layer: You will need to integrate sqlite for data storage and retrieval purposes. - DAO Layer: Implement a Data Access Object layer for connecting the business logic with the database. - Server Layer: Develop a RESTful web service to manage the game's logic and handle user interactions. - Frontend: Create the game's user interface using JavaScript, CSS, and HTML. The design should be moderate, with pleasing aesthetics and some animations. Importantly, use only the library for this purpose (). Modify this to match UNO Card Game

As an experienced Python programmer with a focus on OCR and deep learning, I'm looking for a savvy Python developer who can help develop an OCR Model using machine learning or deep learning. The model will be used specifically for complex math equations. The details are as follows: - Dataset: Unfortunately, I currently do not have a d...between 80-95%. A capability to improve this rate in the future would be seen as a significant plus. My ideal candidate will have experience with: - OCR and ML/DL model development - Sourcing or creating datasets - Achieving optimal accuracy levels for OCR models This role requires a deep understanding of Python and machine learning methodologies. Knowledge of other programming languages like Java and C++ would be considered a plus but is...

I am in need of a collection of 100 music tracks in the electronic genre. The music is intended for use in my YouTube videos. Each track should ideally be between 2-5 minutes in length. Key requirements: - 100 music tracks in the electronic genre - Ideal track duration between 2-5 minutes - Music to be used in YouTube videos Ideal Skills and Experience: - Composer or Producer with experience in electronic music - Understanding of YouTube's music usage policies is a plus - Proven experience in creating music tracks of varied lengths I need it to be copyright-free so I can upload it to Spotify and be able to invoice with it.

I'm in need of a proficient...strong proficiency in software development - A deep understanding of Windows OS The program should possess an essential feature which is a correct word-breaking routine. Furthermore, it should empower users to define their own word-breaking rules. Prior experience programming in languages compatible with Windows OS is vital. Preferred skills for the job would include: - Programming languages, C++, Java, Python - Windows application development - Ability to work with language processing algorithms This project requires someone who understands the intricacies of typing programs and the Thai language, someone who can create a software catering specifically to the users' needs. It's a challenging yet rewarding project for anyone who excels...

I need a skilled Android developer to update my existing Android app's code to generate a signed APK for submission ...app's code to generate a signed APK for submission on Playstore. Key requirements: - The current version of the app is not specified, but I need the code to be updated to the latest standards. - The task is focused on code improvements and updating; there are no specific changes or enhancements to be made to the app's UI/UX, resolving bugs, or adding new features. Ideal Skills: - Proficiency in Java and Android Studio. - Experience with app updates on Google Playstore. - Ability to efficiently navigate and modify existing code. - Capability to generate a signed APK. This is a straightforward task for an experienced Android developer. I look forwar...

I'm in need of an experienced Java Selenium APIs tutor to help me automate test cases for two business web applications. Requirements: - Expertise in Java programming and IntelliJ for test automation. - Proficient in Selenium and APIs, particularly in creating automation scripts. - Knowledge of Cucumber for implementing BDD framework. - Ability to guide and advise on the automation process. This is a collaborative effort, I'm looking for someone who can not only help automate my test cases, but also teach me how to do it effectively. Also due to Coles VPN and restricted access, the job has to be online with connecting to my computer either through meetings with share screen or sharing through git hub!

I'm in need of a skilled Java developer to create a Java application for my project. Key Requirements: - The application should be designed for efficient data processing. Additional Details: - The application doesn't need to interact with any other systems or APIs.

I am in need of a Java Developer with a high level of proficiency in Java programming. The main purpose of this project is system integration. Key Requirements: - Expertise in Java programming and object-oriented programming is essential. - Prior experience and track record in developing applications for system integration would be a big plus. - Knowledge of software development practices and methodologies. The ideal candidate should be able to understand complex system requirements, design and develop Java-based applications that can seamlessly integrate disparate systems for efficient data flow and communication. Your ability to ensure the application is scalable and robust will be crucial for the overall success of the project. A proactive approach, probl...

We are seeking a highly skilled and experienced Java GUI Developer to design, develop, and enhance user interfaces for our Java-based applications. The ideal candidate will be an expert in Java Swing and JavaFX, with a proven track record of creating visually appealing and user-friendly desktop applications. This role requires a deep understanding of user interface design principles and the ability to translate complex requirements into functional, robust, and efficient GUI components.

Full stack developer needed to join our dynamic team. Responsibility: - Strong knowledge in backend and frontend : React, Angular, Vue, TailwindCSS, Web3, Java, ASP.NET, Django, Flask, Restful API, - Good Communication - Work at EST Time - English Proficiency - Pakistan Developer Only If you are interested in this position, please schedule an interview.

Emprender una agencia de marketing digital para poder apoyar a pequeñas empresas

I am in need of a freelance content writer, highly skilled in curating engaging Instagram and facebook posts (copy), with a focus on financial educational content. The freelancer can use our canva subscription for graphics or we may provide sometimes. I am looking for daily posting or 3 times per week depending on the cost. The content is financial planning related as we are a financial planning firm - The ideal candidate understands Instagram's unique language and visual cues, and can seamlessly incorporate educational themes into attention-grabbing posts. - A successful history of creating compelling posts that foster engagement and increase audience education is required. - Your portfolio should demonstrate a strong ability to balance aesthetics with the goal of education...

...consumption: The bot should be able to intelligently consume potions whenever required • Mob detection and avoidance: Bots must have the ability to detect and evade mobs automatically • Chat filter: It should be able to interact with other users by filtering out specific keywords or phrases There is versatility in the choice of code we are willing to accommodate for this initiative. Whether Python, Java, or C#, the primary focus should be on efficiency and effectiveness. Prior experience with bot creation for games and an understanding of Ragnarok private servers is highly desirable. If you have such skills and believe this sounds like a fit, kindly submit a proposal outlining your previous work and ability to commit to this project. Let's get this adventure sta...

Necesito un logo de estilo colonial sencillo, minimalista , tal vez un casco español, o algo similar elegante para un hotel boutique en la ciudad de comayagua, el hotel constara de 19 habitaciones lo cual se distingira por acogedor necesitare tambien un slogan y el nombre es "Hotel Boutique Antigua Valladolid". No tengo definidos los colores aun pero me gustaria tal vez un azul colonial o verde esmeralda dentro de la marca asi como blanco y el estilo del hotel tendra toques de madera.

I'm in need of a Java developer to create a student project using Java and MySQL. The main features of this project will revolve around 'Student Enrollment and Management.' Key Project Components: - **Student Enrollment and Management:** The core of this project, where students will be able to register and their details can be efficiently managed. User Interface Design: - **Simple and Intuitive UI:** The user interface should be seamlessly easy to navigate, aiming for user-friendly experience. Frameworks and Libraries: - **JavaFX for the Desktop Interface:** The project is expected to utilize JavaFX for the desktop interface. Ideal skills and experience for the job: - Proficient in Java (especially JavaFX) - Solid knowledge of MySQL - Experience i...

We are seeking an experienced Java Spring Boot developer to join our project team. Our project entails the development of a web application with Java Spring Boot for the backend and React for the frontend.

I'm seeking a freelance specialist in FAA PMA. The ideal candidate should have: - An intermediate level understanding of FAA Parts Manufacturer Approval - Extensive experience in documentation and certification for FAA PMA The goal of this project is to optimize and streamline our certification process for FAA PMA. The perfect freelancer will help us ensure robust, compliant and efficient documentation for every step of our process. Knowledge in aviation parts inspection or manufacturing process review, though not a must, would be an added advantage.

I'm launching a new clothing brand that is focused on both men's and women's apparel. My aim is to produce clean, fashionable and modern clothing items. - For women, my main emphasis will be on casual wear. I'm seeking freelance designers with experience in this area who can help in developing unique and appealing designs that will resonate with today's women who value both comfort and style. - For men, I am looking to diversify into hoodies. Ideally, I am looking for designs that are versatile enough to be worn in various settings - casual day outings, evening walks, or even at home. If you're a seasoned designer who has a deep understanding of modern fashion trends for both men and women, a knack for identifying what appeals to the modern, fashio...

...Scientist, or similar role with a focus on data analysis and machine learning. Strong analytic skills related to working with unstructured datasets. Experience with big data tools: Hadoop, Spark, Kafka, etc. Experience with data pipeline and workflow management tools. Experience with AWS cloud services: EC2, EMR, RDS, Redshift. Experience with object-oriented/object function scripting languages: Python, Java, Scala, etc. Proficiency in SQL and experience with relational databases, query authoring (SQL) as well as familiarity with a variety of databases. Excellent problem-solving skills and ability to work independently or as part of a team. Strong communication and collaboration skills to effectively work with teams across the organization. What We Offer: Competitive salary and...

Welcome to our freelance studio, where creativity meets professionalism! We specialize in crafting unique and impactful logo designs tailored to your brand's identity. With a keen eye for aesthetics and a passion for graphic design, we're dedicated to delivering high-quality logos that speak volumes about your business. Our design process begins with a deep understanding of your brand's ethos, target audience, and industry landscape. From minimalist and modern to intricate and illustrative, we offer a diverse range of styles to suit your preferences. Each logo is meticulously crafted to capture the essence of your brand, ensuring a memorable and visually stunning representation. As experienced freelancers, we prioritize communication and collaboration throughout the...

I'm in need of an IT specialist with a strong background in software development. The project aim is to develop an Android mobile application. Expected Skills: - Expertise in Android development - Proficient in Java and Kotlin - Strong understanding of Android SDK - Familiarity with RESTful APIs to connect Android applications to back-end services - Understanding of Google’s Android design principles and interface guidelines. Prospective freelancers should have a portfolio of previous experience developing mobile applications, specifically Android-based. The ability to effectively communicate the progress and potential issues is vital. Propose your plan of action to express your understanding of the project.

...destinado a ser publicado en diversas plataformas de redes sociales. Este anuncio debe ser capaz de captar la atención de los usuarios que navegan de manera rápida por sus feeds, como en Facebook. El objeto final del video es conseguir un lead, que el usuario pulse el botón de solicitar más información que habrá debajo del ´video. Descripción del Anuncio: El anuncio debe parecer inicialmente una imagen estática, pero sorprender al espectador con elementos sutiles animados que se activen durante la visualización. Este enfoque híbrido combina la simplicidad de un anuncio estático con el dinamismo de detalles visuales en movimiento, creando una experiencia vi...

I am looking for an experienced, senior-level Java backend developer to build a new application from scratch in the healthcare industry. This novel undertaking will require a high level of expertise and the following skills: - Robust knowledge in database management - Proficiency in API development - Skills in business logic analysis - Business Logic Expert Applicants should ideally have a strong background in full-time Java backend development, with previous project experience in healthcare or similar fields. Looking for 2 Profiles Europe Based , Java Backend Senior. In this project front is made in AngularJS (as per other front devs)

I'm seeking a mid-level AngularJS developer based in Europe for a full-time position. Tasks Include: - Developing innovative user interfaces - Refactoring and improving existing codebase - ... You must have between 2 to 5 years of solid experience with AngularJS, and be well-versed in creating intuitive and dynamic interfaces. A developer with a keen eye for clean, efficient code will shi...keen eye for clean, efficient code will shine in this position. It's key that you are open to collaborative work, as teaming up with fellow developers, designers, and product managers will be a significant part of this role. If you're proficient in AngularJS, capable of revolutionizing user interfaces, and thrive in a team environment, then I invite your bid. As per info : Backend...

Project for the design of a flap folder for a building professional Hello, We are looking for a talented freelance designer to create a professional flap folder for one of our clients working in the construction industry. The folder must be functional, sturdy, and aesthetically pleasing, reflecting our client's image of seriousness and quality. Project Description: Our client is a contractor specializing in the construction and renovation of residential and commercial buildings. They are in need of a flap folder to transport and present their professional documents during meetings with clients, architects, and partners. Specific Requirements: Durable Materials: The folder must be made from high-quality materials, resistant to daily wear and tear on construction sites. Pro...

Do you love creating beautiful and functional websites that convert visitors into leads and sales? We're looking for a talented freelance web designer to join our team on a project-by-project basis! About the Projects: Conversion Optimization: Craft high-performing lead generation pages designed to maximize conversions. Website Refresh & Redesign: Breathe new life into existing websites, from simple design tweaks to complete overhauls. Conceptualization & Build: Bring client website visions to life, from wireframing to launch. Ecommerce Development: Build user-friendly and visually appealing online stores. Your Skills: Proven experience creating websites using WordPress and front-end builders - Divi. A plus: Ability to build on multiple platforms for smooth clien...

Hello, We are currently seeking a talented freelance professional proficient in SCO OpenServer, Python, Progress, and ideally with a grasp of the Microsoft Power platform. Our recent project, conducted in collaboration with an external consultant, involved setting up a data extraction system from print files using a Python script, subsequently transferring them to a Power Automate flow. With the conclusion of our collaboration, we're now seeking to establish a sustainable solution for the ongoing maintenance and development of this system. If you're proficient in SCO OpenServer, Python, Progress, and ideally the Microsoft Power platform, we want to talk to you! Our team is looking for a freelance professional to maintain and develop our data system.

I am seeking a freelancer with teaching experience in the realm of education. I need flexible, dedicated, and enthusiastic individuals for a part-time role. Your role will primarily involve teaching various subjects/coursework to different age groups, so adaptability is necessary. Ideal Skills and Experience: • Proven experience in teaching (at least one year) • Strong communication skills • Knowledge of modern teaching techniques • Patient and resilient • Able to adapt teaching style to suit students • Motivated with a clear, personable teaching style

...the process of players finding and joining games. - In-game Chat Support: Implement a robust chat system to enhance player interaction. - Buy/Sell Special Items: Enable players to trade special in-game items. - Event Creation: Develop a feature that allows for the creation and management of in-game events. Ideal Skills and Experience: - Proficiency in server-side programming languages like Java, C++ or Python. - Previous experience in developing game servers and a solid understanding of networking protocols. - Familiarity with creating matchmaking systems and implementing chat functionalities. - Ability to design a secure and stable server environment that can handle the demands of a gaming community. It's a 90' or 2000' game, really old fashion. I...

Implement spring cloud gateway and integrate Azure Ad authentication in gateway, when request reaching to gateway, request should redirect to Microsoft Azure login page, once authenticated successfully then request should route to resource server along with access_token to access the resource endpoint, need to implement this login functionality in spring boot 3 and jdk17

We are seeking an experienced freelance Web Security Specialist to address a critical issue on our website which has been flagged and disabled in our Google Ads campaign due to suspected malicious content. This is an urgent project that requires immediate attention. Responsibilities: Conduct a thorough investigation of the website to identify and remove malicious links and compromised elements, specifically targeting the following flagged URLs: Remove any associated malicious or unwanted software. Work with our web-hosting provider to ensure all security breaches are resolved. Guide the process of filing an appeal through Google's Policy Manager and Search Console to reinstate our website on the Google Ads network. Ensure that the site passes

Hi there, I am currently working on a few projects. As a busy professional, I need someone who is capable of creating simple portfolio pages that showcase my projects. On another freelance site, I am having a hard time getting clients and I want you to work with me together to organize the current project files I have and get images of work done, a portfolio title and a description created for my other freelance profile to showcase all kinds of tasks I have done. I have completed over 61 projects and we need all of them organized and input in my g drive. Start date: Today Time: Now Availability: beginner level freelancer someone who is capable and free to get this done.

I'm seeking a Java expert to assist me in resolving runtime exceptions in a JavaFX program I'm trying to run on my Windows system. Key Tasks: - Identify the root cause of the runtime exceptions. - Provide a fix to the runtime exceptions so the program runs smoothly. Ideal Skills: - Proficient in Java programming. - Strong understanding of JavaFX. - Experience with debugging and resolving runtime errors in Java programs. - Knowledge of Windows operating system. I will provide all necessary code and error logs for your reference. Looking forward to your expertise in fixing this!

Buscamos incorporar especialista programador .net freelance con conocimientos en: c# .net, asp, sql server se valorará experiencia en: integraciones api, en back-end y front-end. Trabajo principalmente en remoto, para colaboración continuada en desarrollos propios de nuestra empresa, con un mínimo de 40 horas mensuales.

I am seeking a freelance makeup artist to provide both bridal and special event makeup services. You will be working with both individuals and groups. Although it is not strictly required, having a portfolio of past works to showcase your skills would be advantageous. Our ideal candidate will have experience across a range of styles and be adept at working to client specifications. Up-to-date knowledge of the latest trends and techniques in the makeup industry is a must.