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SpringBoot API CORS Debugging

$2-8 USD / hour

Closed
Posted 4 months ago

$2-8 USD / hour

I'm currently grappling with a SpringBoot API complication and am in dire need of a seasoned Java developer's expertise for resolving CORS-related issues. Here's what's on the docket for you: - Identifying and fixing a CORS Error that emerges when my Angular frontend tries to communicate with the backend API. - Ensuring compatibility with SpringBoot version 3.1. - Working with me to test and validate that the API is functioning perfectly with the Angular frontend post-fix. Ideal Skills: - Proficiency in SpringBoot 3.x and experience in integrating APIs with Angular applications. - In-depth understanding of CORS and experience in resolving CORS-related issues. - Ability to diagnose and address bugs efficiently. Together, we'll ensure that this API is an exemplar of robust backend-frontend communication.
Project ID: 37721292

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51 proposals
Remote project
Active 2 mos ago

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51 freelancers are bidding on average $9 USD/hour for this job
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Dear client. Thank you for your job posting. I have read your job description more carefully and I am very impressed to your project. I have rich experience in SpringBoot + Angular proejct. I have developed proces management system using SpringBoot + Angular. In this project i have got Cors error, but finally i have solved this problem. So I am sure I can do that perfectly. I look forward to hearing from you. Thank you.
$25 USD in 40 days
5.0 (23 reviews)
6.5
6.5
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Hiya This could include debugging the API code, checking for any incorrect configuration, and implementing appropriate cross-origin resource sharing policies. - fine-tuning the cors configuration to allow for secure communication between the frontend and backend, without compromising security. - providing documentation and guidance on how to properly set up cors for future development and maintenance. Solution: To start with, let's define what CORS (Cross-Origin Resource Sharing) is. CORS is a mechanism that allows restricted resources on a web page to be requested from another domain outside the domain from which the first resource was served. In simpler terms, it enables communication between different origins (domains) on the web. However, it can also cause security vulnerabilities if not properly configured. Now, let's address the specific issues you are facing with your Springboot API and Angular frontend. 1. Identifying and fixing CORS error: The first step is to identify the error that is causing the CORS issue. In your case, it could be due to incorrect configuration or missing CORS headers in your API responses. To debug the API code, you can use tools like Chrome DevTools or Postman to send cross-origin requests and analyze the response headers. If there are any errors, they will be shown in the console. You can also check your API code to ensure that CORS is enabled and configured correctly. 2. Fine-tuning CORS configuration: Once the error is identified, you can fine-tune the CORS configuration to allow secure communication between the frontend and backend. This can be done by setting appropriate CORS headers in your API responses. The most important ones are "Access-Control-Allow-Origin" and "Access-Control-Allow-Methods". The former specifies the origins that are allowed to access the API, while the latter specifies the HTTP methods that are allowed for cross-origin requests. 3. Providing documentation and guidance: It is crucial to document the CORS configuration and guidelines for future development and maintenance. This will ensure that all team members follow the same standards, and any future CORS-related issues can be easily resolved. You can create a guide that outlines the steps to enable CORS, how to set the headers for cross-origin requests, and any other relevant information. In conclusion, fixing CORS issues requires understanding the root cause of the problem and configuring the API correctly. With proper debugging and configuration, you can enable secure communication between the frontend and backend of your project. Additionally, providing documentation and guidance will help in avoiding similar issues in the future. Best regards, Giáp Văn Hưng
$8 USD in 7 days
5.0 (78 reviews)
5.8
5.8
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Hi. Experienced Java developer here with 8+ years of hands-on experience, I can assist you in resolving CORS-related issues with your SpringBoot API and Angular frontend. To proceed further, I kindly request the following information: 1. Can you provide specific details or error messages related to the CORS issue you're encountering? 2. Have you made any recent updates or changes to your Angular frontend or SpringBoot API? 3. Are there any specific requirements or constraints for ensuring compatibility with SpringBoot version 3.1? 4. Can you share the Angular frontend code or relevant portions for a comprehensive assessment? Please initiate a chat so we can discuss the project thoroughly. I look forward to collaborating with you on a seamless resolution for your backend-frontend communication.
$5 USD in 40 days
5.0 (12 reviews)
5.8
5.8
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Hello, Warm Greetings! I am a Java developer working on Java technology since 9+ years having hands on windows and web development experience. I would like to help in your application development. To proceed further, I am ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details. Best Regards, Namit K.
$7 USD in 30 days
4.9 (78 reviews)
5.8
5.8
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Hi there, I've 10+ years of experience on Java full-stack development. Proficient in Java, Spring Boot, REST APIs, Hibernate, MySQL, MongoDB, JavaScript, Node.js, React.js, etc. Extensively worked on end-to-end Java web application development. I can efficiently fix the CORS and Spring Boot Version compatibility issues. Please get in touch to discuss further. Regards, Prasanna
$8 USD in 40 days
4.2 (13 reviews)
6.7
6.7
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With a proven record of delivering on-time, top quality work and being ranked among the top 3% of JavaScript developers, I believe I'm up to the task. My knowledge and experience as a graduate engineer with 5 years of experience is highly relevant to your SpringBoot API CORS Debugging project. My key proficiencies in SpringBoot 3.x, AngularJS, Node.js and my ability to create APIs that seamlessly integrate with frontend make me an ideal candidate for resolving your CORS-related issue. Over the years, I have gained thorough understanding of CORS and successfully resolved numerous CORS issues, so you can trust me to identify and fix the one you're facing. But my expertise doesn't stop at bug fixing; I take a more holistic approach. I will not only rectify the issue but also conduct extensive testing and validation to ensure perfect backend-frontend communication on all aspects of the API when deployed with your Angular frontend. This comprehensive approach has earned me perfect 5-star reviews from satisfied clients. Choose me, and together we will translate your API from problematic to exemplar!
$8 USD in 15 days
4.9 (27 reviews)
5.5
5.5
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Hi,Hope you're doing blissful! I've Gone through with the requirements and I'm sure I can provide you best on this with my skills and experience. Lets have chat on this.
$8 USD in 40 days
4.9 (34 reviews)
5.2
5.2
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As an experienced Java developer, I've focused on building seamless backend-frontend communication for the past 6 years, which makes me the perfect fit for your project. My deep understanding of SpringBoot and its compatibility issues allows me to swiftly identify and resolve CORS errors. Not only am I familiar with debugging and resolving CORS-related issues such as the one you're facing, but my background in Angular development also ensures I am well-versed in integrating APIs with Angular applications. I assure you that by choosing me for this project, we will not only fix the issue with your API, but also validate its functionality alongside your Angular frontend - guaranteeing a robust and efficient end-to-end system. Moreover, my proficiency in Node.js expands the horizons of our collaboration beyond just CORS debugging. Should we encounter any unexpected challenges or need additional functionalities during our work together, I'm able to swiftly adapt and deliver high quality results in a timely manner. Let's connect and get your SpringBoot API-CORS issue sorted so you can fully focus on your application's growth.
$8 USD in 40 days
5.0 (6 reviews)
4.7
4.7
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Hi Respected Client . I have good experience in following . - Proficiency in SpringBoot 3.x and experience in integrating APIs with Angular applications. - In-depth understanding of CORS and experience in resolving CORS-related issues. - Ability to diagnose and address bugs efficiently. . Professional Java developer here with 5+ years experience. As I only do JAVA projects and you can see it from my profile too so I have firm belief on myself. Looking forward to discuss you with more. Kindly drop me message and believe me you will not regret. . I assured you that I will do your task with full dedication and will always be there until you satisfied from results as I believe in building loyal relations with my clients. . Regards Gulshair
$10 USD in 20 days
5.0 (13 reviews)
4.0
4.0
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Interesting Job I have rich experiences in trading bot, algorithmic bot, arbitrage bot, swap bot etc They works on binance, bybit, bitfinex, kraken, cex etc Arbitrage bot is detecting opportunities on kyber-uniswap, uniswap-sushiswap, Pancake-ape Please contact me and let's discuss more detail thanks
$5 USD in 40 days
5.0 (3 reviews)
3.7
3.7
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Having a profound understanding of CORS and extensive experience in working with SpringBoot APIs that communicate with Angular frontends, I am confident to resolve your current CORS Error. These six+ years in web and mobile app development have afforded me comprehensive proficiency in your required skills, such as Java, JavaScript, Node.js, and AngularJS. Combining this with my vast experience in MEAN Stack and Laravel framework which involves thorough backend work, including integrating APIs, notably similar to your project's requirements with SpringBoot, means that I have the skills necessary to undertake this task. Ultimately, what separates me is my dedication to continued support after project completion. I understand the importance of ensuring what we deliver not only works but remains functional. Partnering with me means not just fixing the immediate CORS error but setting a foundation for continued effictive collaboration between your Angular frontend and SpringBoot backend so you can rely on a robust API for your entire project lifetime.
$5 USD in 40 days
3.6 (5 reviews)
5.1
5.1
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⭐ Hello! Here's an Expert. ⭐ After reading your job description carefully, I know that I am the perfect person for this job. I have a clear understanding of your requirements and have done many similar projects. My goal is to complete projects flawlessly and keep clients 100% satisfied. You will see every aspect of your project and be delighted with my amazing results. Hire me and I'll get started immediately and deliver fast speeds and high-quality results at an affordable budget. I would like to tell you about my experience as soon as possible. Please message me. best, Walter
$15 USD in 40 days
5.0 (3 reviews)
3.1
3.1
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Hi As an experienced Full Stack developer, I can fix your CORS problem in no time. I have a wealth of experience with SpringBoot, Angular, or something. Let's discuss in more detail.
$10 USD in 40 days
5.0 (2 reviews)
2.5
2.5
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Good day! I am an experienced Java developer well-versed in SpringBoot 3.x, with a proven track record of seamlessly integrating APIs with Angular applications. I specialize in diagnosing and resolving CORS-related issues, ensuring smooth communication between the backend and frontend. I am eager to collaborate with you, identify, and fix the CORS Error in your SpringBoot API, and validate its flawless functionality with the Angular frontend. Thank you. Christoper.
$18 USD in 40 days
5.0 (1 review)
2.0
2.0
User Avatar
Hey There, As a seasoned Java developer with over 9 years of experience, I am confident that my technical expertise aligns perfectly with what you need for your SpringBoot API CORS debugging project. During my extensive career, I have successfully completed over 550 projects, encompassing Mobile App Development, Web Design/Development - all which are in sync with your requirements. My work has earned me a Top-Rated status as a Full Stack Developer and my clients can attest to my Accuracy Rate of about 98% to 100%, Quality of Service, and high level of client satisfaction. I am extremely familiar with AngularJS and Java - this includes deep knowledge of SpringBoot versions which will be crucial for ensuring compatibility and debugging your specific issue. I have robust experience working with APIs and Angular applications, successfully integrating them on various platforms. Moreover, identifying and addressing bugs efficiently has been an essential aspect of my job that I’ve honed over time. I am committed not only to resolving the CORS Error that's causing hindrance between your frontend and backend but also in validating that the API functions seamlessly post-fix. Rest assured, partnering with me means submitting a project completed on time with utmost quality and thoroughness. Let's collectively make your API an exemplar of robust backend-frontend communication!
$5 USD in 40 days
1.5 (4 reviews)
4.4
4.4
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❤️Hi Kelechi E.❤️ Thank you for considering my bid. I have carefully read your requirements and understand what want. This opportunity interests me because I have extensive experience and deep knowledge in this field, including Node.js, JavaScript, Java and AngularJS. I have previously completed very similar work and can deliver excellent results within a short time frame. Please feel free to message me to discuss further details about your project. I am looking forward to the possibility of working with you. Best regards, Vadym Les.
$15 USD in 16 days
5.0 (1 review)
1.0
1.0
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Hi i hope u are doing well so cut to chase I am backend developer with 2+ years of experience and i have developed many backend Project with java and spring boot and i have also developed frontend project with angular so i think i am fit for this job
$5 USD in 40 days
5.0 (2 reviews)
1.2
1.2
User Avatar
As an experienced front-end developer for the past five years, I understand the frustrations that can arise from unresolved technical issues - particularly those affecting backend-frontend communication. My expertise not only in AngularJS but also in the wider realm of JavaScript and Node.js will be invaluable as we untangle your SpringBoot API CORS issues. Over the years, I've not only built but also rigorously tested numerous B2B and B2C websites with a range of technologies. I've resolved tricky CORS errors,and I'm confident I'll do the same for you. My ability to diagnose and address challenges efficiently and my detailed understanding of SpringBoot version 3.x will facilitate a speedy resolution of your pressing API complications. In addition to my technical proficiency, I value collaborative work and knowledge-sharing.I am well-known in my local tech community for mentoring young developers and leading workshops which have strengthened my diagnostic and teaching skills. With me on your project, you're not getting just an open issue ticket closer; rather, a teammate dedicated to your success with a multi-faceted skill set oriented towards producing optimal user experiences while maintaining solid backend-frontend communications.
$5 USD in 40 days
5.0 (2 reviews)
0.4
0.4
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Given the problem you're facing, I believe my skills and experience as a full-stack developer will be invaluable for resolving the CORS issue that is hindering communication between your Angular frontend and SpringBoot API. Over the years, I've accumulated a deep understanding of various backend and frontend technologies such as Java, SpringBoot, AngularJS, and Node.js. This has enabled me to effectively troubleshoot similar issues like the one you're experiencing in no time. My extensive experience in front-end technologies like HTML, CSS, JavaScript, and Angular allows me to not only identify discreet problems but understand how they interplay with the different layers of your technology stack. To that end, I'm confident that I can ensure compatibility with the specific version of SpringBoot you're using (version 3.1), while guaranteeing minimal disruption to your current architecture. True to my nature as an agile developer committed to top-notch deliverables, I'm accustomed to collaborating closely with my clients and providing regular updates throughout the debugging process. I'll make sure we not only fix this CORS issue but also perform thorough testing to verify that your API functions flawlessly with the Angular frontend even after all corrections are made.
$5 USD in 40 days
5.0 (1 review)
0.3
0.3
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Hello Kelechi E. Hope you are doing well. Are you looking for full stack developer who has rich experience in AngularJS, JavaScript, Java and Node.js? I’ve carefully checked your requirements and really interested in this project I can complete your project on time and your will experience great satisfaction with me. Also, I can work over 40 hours per week and wil always be online to chat with you for real-time communication on your project. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.
$20 USD in 18 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of UNITED KINGDOM
Luton, United Kingdom
4.8
14
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Member since Dec 30, 2014

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