Freelance Back-end Development Jobs

Description: We are looking for an experienced and talented blockchain freelancer or a professional software development team from a reputable company to join our project on a part-time basis. If you have a strong background in blockchain technology and backend development, we'd love to hear from you. Requirements: -Experience: The ideal candidate or team should have a solid track record in blockchain development and backend technologies. Please provide details of your previous projects in your portfolio or resume. -Qualifications: A bachelor's degree in a relevant field is required. -Skills: Proficiency in blockchain technology, including but not limited to Ethereum, Solidity, or other relevant blockchain platforms. Backend development experience is also essential. -Test: We will require candidates to complete a short test to assess their skills and knowledge. If you are not willing to take the test, please do not apply. -Payment: There is no upfront payment. We offer a competitive hourly salary budget ranging from $25 to $50 per hour, depending on your experience and skills. and We can discuss about crypto. Application Process: If you meet the requirements above and are interested in joining our team, please apply. We will provide full project requirements and schedule a team meeting. Additional Information: This is a part-time role with an initial duration of 2 months, but there is potential for the position to become long-term based on performance and project requirements. We look forward to receiving your application and reviewing your qualifications. If you have any questions about the position, please feel free to ask in your application. Who we are: We're an ambitious team of researchers, builders, and entrepreneurs with many years of experience in the crypto space and are passionate about digital assets. By adding new products to our portfolio beyond on-chain data - we are becoming a more comprehensive go-to crypto platform for various needs.

We need an experience WordPress Developer who can do quick fixes for one of our Plugin Development Projects. The plugin manages the calculation of Sales Commissions for an Easy Digital Downloads shop. We have several settings pages in the backend - in wp-admin - where we need some last fixes. These are the tasks required: 1) Disabling 2 Icons when Page is in View Modus 2) Fix Alignments of Buttons, text and dropdown menus above and below a data table. 3) Replacing one data column for the Product Name and Link to the Product (instead of showing a slug) 4) Renaming a Submenu All changes need to be done properly and in meeting WordPress Standard in the source code. All changes need to be submitted to our Github Repo and we will review and test it. This Project requires an NDA This is just a small test project to find a skilled developer. We might have additional - more challenging work - after this is completed satisfactory.

I want a website to be designed for online Soft Skills development club, where we will provide training and platform to the people for enhancing their communication skills, improving public speaking skills, practicing English speaking in form of Debates, Speeches, Extempore, pitch presentation, and like activities. Also it will help mentees to become a good leaders and trainers. A payment gateway is also required to be attached.

The back-end developer is responsible for creating and maintaining a QA-friendly platform that is scalable, reliable, and highly available. This includes creating APIs and back-end services and integrating them with existing systems. 📌Responsibilities: Work with the front-end team to create an efficient QA process for new features Create APIs for web services and back-end services Create a scalable, reliable, and highly available platform Develop automation processes that monitor the health of the platform Create code quality tools to ensure code quality standards are met

Yii developer needed to work on our backend. Integrate API to our backend with Yii MariaDB experience is needed.

Hello, I'm looking for a Full-stack Odoo developer who can help me with my project daily. Candidate must have experience with the Odoo front-end as well as the back-end.

Check and deploy We need an ionic developer to check the program for any errors, fix if any and deploy it on android play store. we need you to develop iOS application same as this for iPhone and iPad. Need to coordinate with backend web developer to check the functionality Please bid only if you have good knowledge and experience working with Ionic framework , Android and iOS application We have multiple development projects upcoming and you could be our preferred team member. We could Discuss on the Pricing and come up with a mutually agreeable figure.

We are looking for flutter app development for WhatsApp Call Recording. It should be based on subscription. User can use our app for free at first for 7 days. After that call recordings will be stopped and user will have to pay some amount to continue our service. It's backend should be on firebase. There should be an admin panel on web. All the users, their recordings should be available on our admin panel. User will have to grant all required information to start recording WhatsApp calls. There should be option to record phone calls also. Its source code will be our property. Whenever we demand source code, you can not deny giving source code. Otherwise legal action will be taken. Payment will be made on milestones basis 30% + 30% + 40% . You can never ask the increase the budget or timeline. After accepting the project, you can not work on any other project in any condition during my working hours 10-6 Monday to Saturday. After finishing the work, you will have to upload the app on Playstore also and provide us the release key so that whenever we need we can modify the app.

We are looking for a support to our developer in Serbia on a regular, long-term basis and would start the cooperation with smaller Projects. Project: Programming of a web-based questionnaire  Programming of welcome page with instruction, questionnaire + evaluation, presentation of the test result (depending on achieved score) as well as possibility to receive the test result via e-mail (and/or to print PDF)  Questionnaire with 25 statements, response format: yes/no + calculation of score (percentage value between 0 and 100%)  Presentation of test result: Depending on which value is reached, one of 3 texts is presented + graphical representation of the result Future projects may include: • Testing, developing and maintaining websites, and web applications (Web Shops) and Web Services (REST, SOAP) • Communication with Client/Developers Additional optional responsibilities: • Defining the scope of testing within the context of each release / delivery and acceptance criteria based on scope/requirement • Implementing the role testing plays within the organizational structure • Deploying and managing the appropriate testing framework to meet the testing mandate • Planning and managing the testing effort for any given release and test type • Developing and conducting Unit Tests according to given Software Design Document (SDD) Experience in (Must have): • JavaScript (very important) • Ruby, Python, Perl, PHP,php7 Additonal preferred skills: • QA Management - performing roles as a QA Manager, leading a test team for projects and interacting with peer groups including the business users and developers • Test Driven Development (TDD) along with integration and user acceptance testing • Testing concepts (SDLC, STLC & Defect Life cycle) and Software testing tools (Unit Tests), test automation and UI tests (Selenium) • Web services Testing (SOAP, REST) - writing automated Web service tests using well-known tools (SoapUI) • Familiar with frontend development technologies: HTML5, CSS3 (Bootstrap, Foundation), JavaScript (jQuery, Anguar) • Good knowledge in one of following programming languages: PHP, Python, Ruby or Perl • Understanding of IT networking concepts, network protocols and security • Familiar with backend development in one of following scripting languages: Bash or PowerShell • Experience in work with RDBMS (MSSQL, MySQL, pgSQL, Oracle, SQLite), Document Oriented Databases would be a plus. • Strong understanding of Object Oriented Programming (OOP), other popular software design methodologies would be plus (AOP) • Strong understanding of popular Software Design Patterns (MVC, MVW, MVVM) • Familiar with popular IDEs (Visual Studio, IDEA) • Familiar with various OS architecture (Windows, Linux, OS X)

We need someone who can orchestrate the engine, make sure analysis commands work, and ensure that analyses run in containers. The output should be streamed through to our front-end from the back office where it will live temporarily before being analyzed by a database queryable on demand for future use! payment is based on hourly rate