Freelancer back end developerPekerjaan

I'm looking for a full stack developer who can work comfortably on both the backend (Node.js) and frontend (React.js) of a web application. Key Requirements: - You should have solid experience with Node.js and React.js - You will be responsible for building the backend and frontend of the web application - The project does not require third-party integrations or APIs. - Previous experience in building web applications is a plus If you have the necessary experience and skills, I'd love to discuss this project with you. Please bid with your relevant experience and portfolios.

I am currently working on a Flutter project that calls an API from fixed URLs. However, I need assistance with the following: - Retrieving URL from Firebase: The URL that the app calls should be dynamic based on the selected company in the app. I need a developer who can help me implement this feature. - Showing or Opening Image and PDF: The app fetches both images and PDFs from the API. I need a solution to present these files effectively within the app. The preferred platform for this app is both iOS and Android. Ideal skills and experience for this job: - Proficiency in Flutter and FlutterFlow - Strong understanding of Firebase and API integration - Experience in working with images and PDFs within Flutter - Prior work on cross-platform apps for iOS and Android - Ability to c...

Job Description: We are seeking a proactive and results-driven Platform Manager & Business Development Specialist to join our team. The ideal candidate will be responsible for managing platforms like Upwork and Freelancer to identify and secure new business opportunities for our IT services company. Responsibilities: Platform Management: Maintain and optimize our company's profiles on platforms like Upwork, Freelancer, and other relevant platforms. Monitor platform activity, including client inquiries, project postings, and competitor activity. Develop strategies to enhance our visibility and reputation on these platforms. Business Development: Identify potential clients and projects aligned with our services. Proactively reach out to clients through platform mess...

I am writing with excitement and a bit of nervousness as I'm on the brink of publishing my own app. It's been a labor of love, and now I'm eager to share it with the world. However, navigating the process of publishing an app can be a bit daunting, and I find myself in need of some guidance. I know you're experienced in this field, and I admire your expertise. Would you be willing to spare some time to lend me your insights and possibly assist me through this process? Your support would mean the world to me, and I am genuinely grateful for any assistance you can offer. Thank you for considering my request. Yours regard. Alok

I've a research paper I've done on this problem: "Start with $1 million portfolio. Invest 70% in 10 actively managed mutual funds that have outperformed over 10 years. Allocate 30% to 20 individual stocks screened for earnings growth, valuations, profitability and momentum. Back test over 15 years versus S&p;P 500. Evaluate returns, risk and rebalancing strategies." unfortunately the feedback i got was "You claim that you did portfolio optimization but there is no information how you did it. There is no covariance matrix no correlation coefficients obtained from data " I'm looking for someone to help me complete this project before may 5th , 11:59PM pacific time. I am seeking a financial expert to optimize my portfolio with an emphas...

Im looking for a realistic cartoon person of caucasian decent. NOT TOO MUSCULAR. Blue eyes, short brown hair, a light beard. Looks like a construction worker but with no tool belt or construction style hat. This character would be at the forefront of the design as "THAT HARDSCAPE GUY". That is the name of my business. In the back ground I would like a courtyard/patio outdoor entertainment area that is under construction. This area can have a winding paver walkway, stone walls, fire pit etc. This would represent an outdoor living space. Google outdoor living space. I would like the area to be designed with clean lines, materials that compliment one another and flow well with the rest of the design. I will specify that I would like everything to be proportional. I don't...

I'm looking for a full-time contractor to join my agency . The ideal candidate should have strong expertise in web development or in Facebook Ads. Key Responsibilities include: - Developing and maintaining interactive websites with a focus on user experience and functionality. - Creating and managing Facebook ad campaigns. - Working collaboratively with our team to ensure all projects are delivered on time. The ideal candidate should have: - A strong portfolio of web development projects demonstrating their capabilities. - Proven experience in creating and managing successful Facebook ad campaigns. - Excellent communication and collaboration skills. - The ability to work full-time. You will be a valuable member of our team and will have the opportunity to work on a range of exci...

I'm looking for an experienced, capable WordPress creator. My project requirement involves the building of a Training website with LearnDash plugin where I can efficiently administer online instructional content. Talent needed for this project must be skilled in WordPress customization and plug-in development, even though we have left this choice open-end in the question. I will be supplying all of the site's content including text and images. I have the courses already developed and the wordpress hosting site. The plug in is already applied to the wordpress site. I need now the home page and associated material developed then the courses linked The expertise required: - Proficient in WordPress site development - Greatest practices for creating a training website - Kn...

Hello developers, Hope you all are doing well. I need two Flutter developers for my two separate project. You will be working with our team. If you have previous experience on below requirements you are welcome to the team. Requirements: 1. Figma to Flutter app UI conversion. 2. Google Map integration and handling Google map matrices api's. 3. Knowledge about animations. 4. API integration. 5. Getx state management. 6. Knowledge about Node.JS is appreciated (Optional). 6. Some knowledge about and it's integration in app for real time data transmit. 7. Free from other projects. You will be working on our projects with full effort. 8. Developers from Bangladesh is welcomed. If you are not from Bangladesh you are also invited to bid. Just mention on your bid that you are not fro...

I need a Node.js developer with experience in integrating Chinese payment gateways for a lottery web application. - The task involves integrating a Chinese payment gateway, such as Alipay, WeChat Pay, or UnionPay into the lottery web application. - The primary focus will be on the payment processing system to ensure that it functions seamlessly within the application. - Experience with integrating payment gateways into web applications is essential. - Knowledge of Node.js is required for this project. Please bid if you have experience with Chinese payment gateways and are proficient in Node.js.

I'm in need of a skilled boat builder to construct a deep sea trawler specifically designed for commercial fishing. The boat will be tasked with long hours out on the open sea, requiring it to be efficient and robust. Key Features: - Freezing Storage: The trawler should have adequate freezing storage to ensure the catch remains fresh until it's brought back to shore. - Sonar and Navigation Systems: The boat should be equipped with advanced sonar and navigation systems to assist in locating schools of fish and navigating through various sea conditions. - Fuel Efficiency Design: Given the long hours of operation, it's crucial that the trawler is designed for optimal fuel efficiency. Ideal Skills and Experience: - Extensive experience in boat building, with a focus on ...

I'm looking for an expert 3D modeler to create high-quality, detailed product models for my skincare line. These models will be used for e-commerce product display, so it's crucial they look realistic and visually appealing. Key Requirements: - The product models should be of high detail, with accurate materials and lighting. I aim to create a visually stunning display for my skincare products, and the 3D models play a key role in this. Skills and Experience: - Proven experience in 3D product modeling, particularly in the context of e-commerce product display. - Proficiency in using accurate materials and lighting to enhance realism. - A keen eye for detail and aesthetics, as these models will be central to the visual representation of my products online.

I am in need of an experienced mobile app developer to create a social networking app with location-based services. The app should be developed for both Android and iOS platforms. Key Requirements: - Proficiency in developing cross-platform applications for Android and iOS - Strong understanding and experience with social networking capabilities - Previous work with location-based services in apps The ideal candidate should be able to work efficiently to deliver the project within a month. Please include past projects and experience with social networking and geolocation services in your proposal.

need Simple live chat system between 2 users, no designing needed. 1. login using php 2. show list of users fetched from db 3. on clicking a user, initiate chat (if the other user not blocked the requested user) 4. the chat should be live, realtime. and the data to be stored in mysql db 5. option to block user should use php as backend and bootstrap as front end . you can use firebase budget AUD 50 and should be done today please don't bid and ask for more time and money

please don't quote mad prices, as you will not be looked at. If you don't answer the below, I will not ever look at your quote. Don't send automatic messages. I...to this site - Able to have organisations have their own logins and access to add their own contests and have their backend/frontend with their own branding - see sample The platform needs to operate as smoothly as possible, allowing photographers to upload multiple pictures with ease and end-users to donate and vote effortlessly, with voting. Efficiency, security, and user-friendliness are of utmost importance. Please provide relevant experience and reference sites that you’ve worked on before that align with my project.

Hi Melika T., I'm beyond happy to finally get back to work on the project. Thanks for your patience and support. Let's get started! ? Please write script that can take pictures of all sides of an object that produces a three-dimensional object. Once Object is created it appears in the real world as a augmented reality object. Please let me know if you have any questions. Thanks again ? Best, . Justin

I am looking for a full stack developer who has experience with Javascript ,Python, and React.js. I need ongoing support for several project and there is no specific deadline. The ideal candidate should have strong programming skills in these languages and frameworks. I have several projects that need various development work. Most projects are built in python using django or flask. One project is using react with a django backend so you'll be expected to know some react as well. Our stack (usually): -Python -Django -Docker -Flask -React -Html -CSS -Javascript I will give you various tasks within each project and you'll work on them. Initially I will provide defined tasks with set requirements but then eventually it will be hourly work. Expectation is 3-4 hours/day, 4 ...

Moodle plugin expert required. Features User management Participation purchase Chapter submission Chapter review and submission Certificate generation Payment integration

I'm in need of an experienced WordPress PHP developer to build a blog on cryptocurrency. As an expert, you will be responsible for design and implementation of engaging features that includes: - Share buttons: For quick and easy dissemination of blog posts to social media platforms. - Subscriber opt-in: An efficient system for interested visitors to subscribe and receive updates or newsletters. Ideal candidates should have previous experience in creating similar blog sites and demonstrate knowledge in cryptocurrency. Basic understanding of online marketing strategies will be a plus. Deliver a user-friendly, fully functional crypto blog that will help me share my insights in the crypto space. Looking forward to working with you.

I'm looking for a skilled designer who can help me turn a photo into a vintage-style logo. The end result should be suitable for use both online and in print. Key requirements include: - Ability to create a vintage-style logo - Proficiency in converting a photo into a logo - Understanding of designing for both online and print applications - Experience with neutral and earthy color palettes

I have an existing website that needs some layout and design changes. I have a specific design reference in mind, and I am looking for an experienced web developer who can help me implement these changes. Key Requirements: - Proficiency in HTML, CSS, JavaScript, and PHP - Experience in making layout and design changes to existing websites - Ability to work with specific design references The project involves: - Understanding the existing website and the design reference - Making necessary changes to the layout and design of the website - Ensuring the changes are implemented seamlessly and do not disrupt the existing functionality of the site I'm not looking to add new pages or sections to the website, just to make the changes to the existing ones. I need someone who can work...

I need a professional web developer to seamlessly integrate the front-end and back-end of my fully completed project. Given that no specific API endpoints have been defined, your role would be to link and facilitate seamless communication between the front-end developed with and the back-end written in .Net. Here's what you'd need to achieve: • Integrating endpoints with front and backend • Ensuring secure and efficient transfer of user information, payment transactions, and product details through these APIs To help you in this project, I have a complete API documentation ready. The ideal candidate would have: • Expertise in and .Net • Proven experience with API integration • Good problem-solvin...

...project with little help from me. We're looking for a full-time programmer who is hard working, honest, and enjoys learning. Are you the kind of person where your yes means yes and your no means no? Do you have several years of programming experience with all things ReactJS? Place, "ReactJS developer" on the top of your bid. This full-time position requires attention to detail - someone that understands spoken and written English, fluently. We have enough work for over a year. On the top, after "ReactJS developer", please tell me what was your most difficult ReactJS project you completed and why. Also, how many years of ReactJS experience do you have? Read this job description carefully, as it serves as an indicator to me if you pay attention to...

I'm looking for a WordPress expert who can improve the performance of my website through code cleaning and optimization. Your work will not only involve identifying and fixing issues but also ensuring that the website runs smoothly and efficiently. The end goal is to have a clean, fast, and effective WordPress site. I will give my home page and rearrange the coding to make the page as fast as possible. The fastest AND best script will get the project. If you AND we enjoy working with you, you will be paid you 1500$ more to do the same for the whole website. Ideal candidate for this job would have: - Proficiency in WordPress - Solid experience in website performance optimization - Expertise in mobile optimization and resource usage reduction

Financial Statements based on Excel template and Data - you product financial Statement with filled out excel based on data given We need an expert Freelancer to enter basic financials data to attached financial Projection in Excel and produce a profit loss statement based on this Excel attached and the data of company projected Revenues and expenses Simple if you have done it before You will send us back the filled out excel with sheet tabs including the Financial Planning Tab and Profit Loss. Budget is $200 - $300 +/- Very Simple just summarize and detail the data correctly any questions or data you need for this ( not given in attachments in zip ) we will give you You need to put all Hungarian Forint Currency Do the conversion from Euro as shown in the renew breakdown...

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I need the some texts translated from German to US English as soon as possible. Need high quality human translation only. Google/AI or automatic software works are not allowed and will be rejected. Need the translation back in word document format maintaining the layout of the source file. Deadline: 48 Hours.

...and Web site. The number of mockups can vary but this is not very complicated. The mockups should give idea of flow of application and navigation. Primary Features: - A platform offering business services, promoting social connectivity. - Live chat feature enabling users to interact instantly. - A sophisticated system for sharing photos and videos. - Capability to match business services with end-users. - Capability for the business to buy advertising space on the website and mobile application - A market place where customers can buy products from the different businesses Business Services: - Job listings service allowing businesses to post open positions. - Business networking events feature for local community engagement. Ideal Candidate Skills & Experience: - Prov...

We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be discussed upon engagement.

I'm in need of a skilled animator who can transform a text into an engaging 3D animated video for promoting on social media. Key Requirem...in 3D animation. I want this project to take the viewer through a visually captivating sequence that makes the message in the text come alive. - Skill in creating high-quality, professional animations that can be used in social media campaigns. - Experience with social media content is preferred, as the video should be optimized for sharing and engage users to interact, share and respond. The end goal of this project is to create an eye-catching, 3D animated video which faithfully conveys the contents of the written text and engages social media users efficiently. If you have the required skills set and experience, I look forward to wo...

Hi there, I need an expert in Python. I have a python program which is working to forward messages from a group to another. What I want is to add few filteration.

I have UI design for React Native I need prototype using React Native.

I require a dedicated Flutter Developer to work part time on the development of an e-commerce platform. You'll be focused on three core features: - Develope app working with woocommerce plateform - Have professional experience with php, javascript, css - Have a professional experience with e- commerce apps and platforms Our e-commerce platform requires integration with payment gateways, hence, experience with such integrations is essential for this role. The ideal candidate will have experience in Flutter development, specifically with e-commerce functionality and payment gateway integration. Your ability to commit part time on a monthly salary basis will be advantages. Looking forward to a fruitful collaboration.

We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be discussed upon engagement.

Hi there! We are in immediate need of a seasoned full-stack developer with at least 3 years of experience in ASP.Net Core 7 and Angular. Our existing accounting system needs quick integration of a chart of accounts as well as some additional features, which were not specifically mentioned. The key requirements include, but may not be limited to: - Proficiency in ASP.Net Core 7 and Angular - Ability to rapidly synthesize and integrate new features to an existing system - Responsiveness and strong communication skills Unfortunately, we were unable to provide specifics on the functions/features to add and the main purpose of our accounting system. But we aim to find a professional who can adapt to our needs as they emerge. Must be able to complete this project ASAP. Please provide...

Im building a web app for my customers to use to help run there business. The front end is made with React JS and is already done. A sign up page is already setup but i need someone to add the google sign up as well. I need someone to add the backend with php laravel for the settings pages. The settings pages will effect some of the other features. So it all needs to work together. Im building a software company so if i find the right person who provides good high quality code and speaks good english and has good response time who can deliver projects on time then i can provide long term work for years. If you do a good job then I can hire you to provide the backend for the rest of the features as well. Please look at the screenshots to know which settings pages you will be...

I'm looking for an experienced website developer capable of creating a versatile website with 5-10 pages. The nature of the website can be e-commerce, blogging, portfolio or any other type. Key requirements: - Ability to design and build 5-10 page websites - Understanding of e-commerce, blogging, or portfolio website structures - Experience with integrating payment gateways (if applicable) - Proficiency with popular content management systems (CMS) like WordPress, Joomla, or Shopify - Strong portfolio showcasing diverse website projects - Ability to work collaboratively, communicate effectively, and meet deadlines Your past works and reliability in delivering quality work in a timely manner will be important factors in selecting the right freelancer.

I am writing with excitement and a bit of nervousness as I'm on the brink of publishing my own app. It's been a labor of love, and now I'm eager to share it with the world. However, navigating the process of publishing an app can be a bit daunting, and I find myself in need of some guidance. I know you're experienced in this field, and I admire your expertise. Would you be willing to spare some time to lend me your insights and possibly assist me through this process? Your support would mean the world to me, and I am genuinely grateful for any assistance you can offer. Thank you for considering my request. Yours regard. Alok

...seeking a talented mobile app developer to create a groundbreaking e-commerce app focusing on fashion and apparel. The app will feature innovative functionalities, including the ability for users to easily become sellers and create their own pages, as well as seamless navigation for customers. This project requires expertise in both UI/UX design and front-end/back-end coding. Key Responsibilities: - Develop a user-friendly mobile app for iOS and Android platforms, ensuring a seamless and engaging user experience. - Design intuitive and visually appealing user interfaces (UI) that reflect modern design principles and enhance user interaction. - Create wireframes, mockups, and prototypes to communicate design ideas and iterate based on user feedback. - Impleme...

I am a passionate Front-End Developer ready to create stunning, responsive websites and portfolios that will help you stand out. With my expertise, your online presence will be both visually appealing and functionally robust. - Service Commitment: - Delivering custom-designed portfolio websites for professionals and creatives. - Crafting unique business websites to enhance your digital footprint and customer engagement. - My Skills Include: - Mastery of HTML, CSS, JavaScript, and popular front-end frameworks (React.js, Vue.js). - Implementing responsive web design for optimal viewing on all devices. - Prioritizing UI/UX design to ensure an intuitive and aesthetically pleasing user experience. - Applying SEO principles to improve search engine rankings and...

I'm in need of a professional PHP developer to manage back-end services and ensure interchangeability between server and users. Key responsibilities will include the development of all server-side logic, definition, and maintenance of the MYSQL database. This role also requires the optimization of the system for speed and scalability, as well as the integration of user-facing elements developed by front-end developers. The ideal candidate would have: - Solid PHP development experience. - Proficiency in MySQL databases and related operations. - Experience with User Management functionalities. - Expertise in Content Management operations. - Prior experience with Real-Time Data Processing. Your primary focus will be on: - Creating database schemas that rep...

I'm looking for a skilled developer to create an automated cryptocurrency trading system for me. The system should be able to integrate with Binance, Coinbase, Kraken, and Bybit. I want it to be very similar to 3Commas new Signal Bot feature. I already have a wordpress site where I provide TradingView signals and strategies, but I want to add the feature to also automate these strategies from TradingView. Key Features: - Trade Execution: The system should execute trades on my behalf and users behalf by using webhook signals from my TradingView strategy alerts. - Portfolio Management: I need a system that can manage my portfolio efficiently. Ideally, the system should be user-friendly and easy to operate on my end. I'm looking for someone with a strong ba...

I'm urgently seeking a proficient Android developer who can address an intermittent crashing issue plaguing my application. The specific problem has not been identified yet, but my app crashes unexpectedly and erratically. Your tasks: - Diagnosis of the root cause of the crashes - Implementing necessary fixes Ideal Skills: - Proven experience in Android development - Exceptional debugging skills - Strong understanding of app lifecycle and performance optimization - Ability to work independently on problem-solving. Expectations: - Active communication and status updates on the fix - App testing to ensure issue fully resolved before handing over the final project Please only apply if you have a proven track record of fixing such issues and can turn it around quickly.

Developer who can fix one by one Work with ftp only. Only 3 issues to fix.

It's a restaurant food delivery app. Back-end admin in laravel and app in flutter. The following issues need to fix: 1. Increase notification volume in admin and notification sound is not happening once admin works in another tab in his system. 2. Invoice printout is not legible. this should be corrected. 3. Create Kitchen token. There will be only 3 fields, Customer name, item ordered & quantity. All this inputs can be taken from invoice.

I'm looking to have a basic personal website built, with a few key pages. Key Requirements: - Develop a basic website. This will only have a few pages, keeping it simple yet engaging. - The main section that I'd ...to reflect my personal style and showcase my personal brand. - The website should be user-friendly and responsive, ensuring it looks great and functions well on various devices. Ideal Skills: - Proficiency in front-end technologies, such as HTML, CSS, and JavaScript. - Experience in creating simple, yet visually appealing websites. - Ability to understand and translate personal brand elements into website design. Would love to see your work samples and hear your ideas on how we can make this personal website truly stand out. Looking forward to working with a ...

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I'm in need of a seasoned developer to create a White Label P2P Car Sharing software with a clean, professional UI. The software should be accessible on Web, iOS, and Android platforms, and integrate with both PayPal and Stripe for payment processing. Key Requirements: - User Interface Design: The interface should be clean and professional, ensuring a seamless user experience across all platforms. - Platform Support: The software should be accessible on Web, iOS, and Android. Cross-platform functionality is key. - Payment Gateway Integration: The software must simplify transactions by seamlessly integrating with both PayPal and Stripe, two of the most popular and widely-used payment gateways. Ideal Skills and Experience: - Proficient in front and back-end develo...

...Pixelmongenerations 1.12 v2.6.7 as there is no 1.20 version) and add the new Pixelmon Generations mod and its dependencies including: architectury 9.1.12 botarium forge 1.20 v2.3.1 cobblemon forge 1.20 v1.4.1 Generations-Core 2.1.1 Beta Kotlin 4.10.0 Returning a complete world download would mean one without missing blocks in a state to be played for the currently loaded chunks in the Overworld, Nether and end Dimensions. This will likely include development of an additional sidemod to bridge the blocks missing that were removed by BiomesOPleanty. This sidemod is free for you to keep and repackage in any capacity, but we do ask that the contents of the world download including builds and information be strictly confidential. In addition to financial compensation for the work, ...

Description: We are seeking an experienced professional in ne...using OpenVPN Cloud Connexa between two distinct Internet Service Providers (ISPs). The primary objective is to establish seamless communication between two separate networks for efficient data transfer. T Key Details: Objective: Enable communication between two separate networks for seamless data transfer. OpenVPN Cloud Connexa Experience: Substantial personal experience with the platform. End Result: Connect two different devices, each with a private network, via Team Viewer private LAN. This connection should be established without any public access, ensuring privacy and security. Ideal Candidate Skills and Experience: Proficiency in configuring Site-to-Site connections. Experience with the OpenVPN Cloud Connexa...