OAuth is an authorization protocol enabling a third-party application to access resources, such as data and content, from another resource provider system on behalf of a user. An OAuth Developer is a specialist who has the technical capabilities to facilitate the secure transfer of data from one system to another. OAuth Developers work with clients who want to enable their users to transfer data from one application to another, as well as enable access to external resources with out having to provide credentials.

Essentially, OAuth Developers are responsible for ensuring that the proper security measures are in place for this data transfer, and interoperate various components in order to make it all happen. OAuth Developers require extensive knowledge in backend technologies and security protocols.

Here's some projects that our expert OAuth Developer made real:

  • Building secure single sign-on solutions (SSO)
  • Creating and configuring secure authentication between applications
  • Connecting web apps with external data sources, such as Office365
  • Developing mobile applications with cross platform functionality and secure integration
  • Developing visualizations for IOT systems using React, SGV and Elixir
  • Implementing OAuth 2.0 authentication protocols in different platforms, such as WP or Laravel
  • Integrating APIs with partner websites for secure authentication
  • Developing web apps with authentication protocols in .Net Core 6 and Angular

Our team of highly skilled OAuth developers have completed all kinds of projects related to ensuring the secure exchange of data between applications. If you are looking for a reliable way for your users go authenticate themselves on other systems securely, our developers can be trusted to deliver results on Freelancer.com. We invite you to post your own project now and hire an experienced OAuth Developer from our team!

From 19,133 reviews, clients rate our OAuth Developers 4.9 out of 5 stars.
Hire OAuth Developers

OAuth is an authorization protocol enabling a third-party application to access resources, such as data and content, from another resource provider system on behalf of a user. An OAuth Developer is a specialist who has the technical capabilities to facilitate the secure transfer of data from one system to another. OAuth Developers work with clients who want to enable their users to transfer data from one application to another, as well as enable access to external resources with out having to provide credentials.

Essentially, OAuth Developers are responsible for ensuring that the proper security measures are in place for this data transfer, and interoperate various components in order to make it all happen. OAuth Developers require extensive knowledge in backend technologies and security protocols.

Here's some projects that our expert OAuth Developer made real:

  • Building secure single sign-on solutions (SSO)
  • Creating and configuring secure authentication between applications
  • Connecting web apps with external data sources, such as Office365
  • Developing mobile applications with cross platform functionality and secure integration
  • Developing visualizations for IOT systems using React, SGV and Elixir
  • Implementing OAuth 2.0 authentication protocols in different platforms, such as WP or Laravel
  • Integrating APIs with partner websites for secure authentication
  • Developing web apps with authentication protocols in .Net Core 6 and Angular

Our team of highly skilled OAuth developers have completed all kinds of projects related to ensuring the secure exchange of data between applications. If you are looking for a reliable way for your users go authenticate themselves on other systems securely, our developers can be trusted to deliver results on Freelancer.com. We invite you to post your own project now and hire an experienced OAuth Developer from our team!

From 19,133 reviews, clients rate our OAuth Developers 4.9 out of 5 stars.
Hire OAuth Developers

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    7 jobs found
    Fix Mercado Libre PHP Token
    6 days left
    Verified

    My PHP-based e-commerce back-office is already wired to the Mercado Libre API, yet the moment the access token expires the whole link goes down and I start getting “failed to connect to Mercado Libre API”. I have not attempted any troubleshooting so far. What I need you to do: • Review the current OAuth flow in the existing PHP codebase and update it so the token refreshes automatically before it expires. • Make sure the restored connection allows my local MySQL database to stay perfectly in sync with listings, inventory and orders on Mercado Libre. • Test the fix end-to-end so that product uploads, status updates and order retrieval all complete without errors. Acceptance will be based on: 1. Successful authenticated calls to Mercado Libre API from...

    $157 Average bid
    $157 Avg Bid
    142 bids
    Set Up WhatsApp Support API
    6 days left
    Verified

    I need a developer who can configure the official WhatsApp Business API so my team can handle real-time customer support through live chat. The goal is simple: when a visitor messages our business number, the conversation should flow straight into an agent-friendly dashboard (whether that’s a custom front end, a CRM module, or a reputable third-party chat workspace—I’m open to your recommendation). Core requirements • Register and verify the WhatsApp Business account, then activate the Cloud API or on-prem setup. • Create or connect a live-chat interface where multiple agents can pick up, transfer, and close conversations. • Implement webhook endpoints for message events, delivery receipts, and agent activity logs. • Add basic agent presence i...

    $131 Average bid
    $131 Avg Bid
    210 bids

    I am looking for an experienced developer who has strong knowledge of Browserbase or browser automation APIs to help resolve a login issue with X (formerly Twitter). I previously built a paid Discord bot that interacts with X using the official API and OAuth. However, due to increasingly strict restrictions on the official X API, the bot is frequently forced out of X, making the service unreliable. To address this issue, I rebuilt the system using a **browser-based approach with a browser provider API (Browserbase)**. The goal is for the bot to operate through a browser session instead of relying on the official API. The system itself has already been fully implemented and is currently working for other platforms. For example: * Logging in to YouTube works without any issues * Logging...

    $136 Average bid
    $136 Avg Bid
    38 bids

    I’m building a small web-based tool, code-named “Socmed Evakuator”, that zeroes in on Twitter data and shows how an account’s follower count changes day by day. The goal is clear: connect to the Twitter API, collect the right numbers automatically, and present them in an easy-to-read dashboard so I can spot trends without digging through spreadsheets. Here’s how I picture the workflow: after authenticating through Twitter’s latest OAuth flow, the app should fetch follower totals on a schedule I can tweak (hourly, daily, etc.), store each snapshot in a lightweight database, then visualise the growth curve with a clean chart. I’m flexible on the stack—Python with FastAPI, Node.js with Express, or another modern framework is fine as long as the...

    $35 / hr Average bid
    $35 / hr Avg Bid
    56 bids

    I’m building a small web-based tool, code-named “Socmed Evakuator”, that zeroes in on Twitter data and shows how an account’s follower count changes day by day. The goal is clear: connect to the Twitter API, collect the right numbers automatically, and present them in an easy-to-read dashboard so I can spot trends without digging through spreadsheets. Here’s how I picture the workflow: after authenticating through Twitter’s latest OAuth flow, the app should fetch follower totals on a schedule I can tweak (hourly, daily, etc.), store each snapshot in a lightweight database, then visualise the growth curve with a clean chart. I’m flexible on the stack—Python with FastAPI, Node.js with Express, or another modern framework is fine as long as the...

    $22 / hr Average bid
    $22 / hr Avg Bid
    48 bids

    I’m building , a HIPAA-compliant iOS and Android application that pulls a patient’s electronic health records in real time, listens to the appointment through the device microphone, transcribes the conversation instantly, and injects safety guidance on the spot. Whenever the dialogue reveals a potential medical collision—be it a medication, an allergy, or an existing diagnosis—the app must flag it immediately. For medication errors the first release only needs drug interaction alerts; dosage verification and duplicate-therapy checks can wait until a later milestone. After each visit the system should generate an English- and Spanish-language consolidation report that summarises the transcript, the interventions triggered, and any outstanding follow-up items. Key...

    $7934 Average bid
    NDA
    $7934 Avg Bid
    156 bids

    We are building a secure financial underwriting platform using Laravel 10 and AWS that helps determine small business loan eligibility. Our platform currently supports: Client & admin dashboards Secure document upload AWS S3 private storage Email automation via AWS SES AI document analysis using AWS Bedrock We now want to build a QuickBooks Online App Integration so business clients can connect their QuickBooks account and allow our platform to automatically analyze their financial data. The developer must have experience building QuickBooks apps using the Intuit Developer Platform, not just generic API integrations. Key Objective Develop a QuickBooks Online App that allows users to: Connect their QuickBooks account Authorize access via OAuth Extract financial data Send d...

    $1632 Average bid
    $1632 Avg Bid
    265 bids

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