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Debug & Optimize Legacy PHP/MySQL App

$30-250 USD

Completed
Posted about 1 month ago

$30-250 USD

Paid on delivery
I'm in need of a skilled PHP/MySQL programmer to help me resolve issues with my legacy application. While the data in the current database isn't critical and can be easily recreated, the system is currently not allowing the addition or update of database records, although deletion is possible. Key requirements and responsibilities: - The main issue is resolving the problem of not being able to add or update database records. - There are no error messages displayed, so a deep understanding of PHP and MySQL is needed to identify and solve the root problem. - Once the issue is resolved, the next step would be to optimize the application to prevent similar issues in the future. Ideal skills: - Proficient in PHP and MySQL - Experience in working with and debugging legacy applications - Understanding of database management from webpages - Ability to optimize systems for future stability - Strong communication skills to explain technical issues clearly The project is on a debugging and optimization basis, so the work required should be based on the identified issues. Please bid with your experience in similar projects and how you plan to approach this task. I have fully documented both the module, as well as exactly where and when the "issues" arise.
Project ID: 38001938

About the project

63 proposals
Remote project
Active 24 days ago

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$0 USD in 1 day
5.0 (159 reviews)
6.8
6.8
63 freelancers are bidding on average $173 USD for this job
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Hello! We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time. We are 25 years in this business and our technical specialists have strong experience in SQL, PHP, Software Architecture, MySQL, HTML and other technologies relevant to your project. Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews. Please contact us via Freelancer Chat to discuss your project in details or let's appoint time for Zoom meeting to meet and discuss your project in details. Best regards, Olga P. Sales Department Tangram Canada Inc.
$250 USD in 7 days
4.7 (250 reviews)
8.8
8.8
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Hello Greetings, After reviewing your project description, I feel confident and excited to work on this project for you. But I have some crucial things and queries to clear out. Can you please leave a message on chat so we can discuss this and I can share my recent work similar to your requirements? Thanks for your time! I look forward to hearing from you soon. Best Regards
$250 USD in 4 days
4.9 (132 reviews)
7.6
7.6
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Hello, I can start immediately. I have 13+ years of experience and I ensure you I can complete the project within budget and timeline. I'm not just a developer; I'm your dedicated partner. I'm committed to working with you. Count on me for any upgrades or specific requirements you may have along the way. I have few questions about the requirement. Can we discuss this over chat? Looking forward to hearing from you soon. Best regards, Sneha
$217 USD in 7 days
4.9 (160 reviews)
7.3
7.3
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PHP AND MYSQL EXPERTS! We are working on php and mysql since last 11 years. We could do it. Could we discuss in details over chat now? Best Regards Techwelfare
$250 USD in 15 days
4.7 (235 reviews)
7.5
7.5
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Hello Alan, As an experienced PHP programmer, I can help resolve issues with your legacy application efficiently. I'll diagnose and fix the root cause preventing addition or updating of records. With my expertise in debugging and optimizing systems, I'll ensure future stability. Let's collaborate to enhance your application's performance. Please note that this is a placeholder proposal, we can be more specific once we get all the requirements and information required to execute the project.
$200 USD in 2 days
4.8 (48 reviews)
6.9
6.9
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I'm excited about the opportunity to work on debugging and optimizing your legacy PHP/MySQL app. With my expertise in PHP and software architecture, I'm confident in identifying and resolving the root problem efficiently. Could you provide more details about the specific functionalities affected by the inability to add or update database records?
$250 USD in 7 days
4.9 (95 reviews)
6.5
6.5
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Hello there, I can fix that issue shortly for you, Looking forward to hearing from you. Thanks, Alexander
$140 USD in 7 days
5.0 (28 reviews)
5.9
5.9
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With over 7 years of experience as a full stack developer, I've encountered and debugged a myriad of issues, including the kind you're facing with your legacy PHP/MySQL application. My deep understanding of these technologies allows me to quickly identify and solve root problems, even in undocumented codebases. Moreover, as a proficient LAMP professional, I can leverage my PHP expertise alongside solid database management skills to resolve your issue. In addition, I understand the importance of communicating technical issues clearly. With me on board, you can expect regular detailed updates on progress with actionable steps taken to stabilize your application for the long haul. Furthermore, given that project success depends on not only the technical skills but also the cooperation and understanding between!!!!
$220 USD in 7 days
4.9 (30 reviews)
6.2
6.2
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Hello there! As a seasoned web developer with over a decade of experience in working with PHP and MySQL, I am confident in my ability to tackle the challenges your legacy application is presenting. My technical proficiency is supported by a Bachelor's degree in computer science, and through years of hands-on development work, I have honed my skills in debugging and optimizing systems. One particular angle that sets me apart is my experience with LIMS (Laboratory Information Management System) and Healthcare Integration Engine like Mirth Connect. These environments are notorious for their large databases and intricate debugging requirements. This acumen allows me to not only navigate messy situations but also create stable fixes and optimizations that will prevent similar issues from recurring. Moreover, I must emphasize my effective communication skills, which I believe are just as important as technical know-how. Your project calls for a deep understanding of the problem area, which I am well-equipped to provide given your detailed documentation. Let's work together to swiftly analyze, resolve the issue, and proceed with optimizing your application for future stability. Rest assured that I promise quality work and open lines of communication throughout the entire process.
$250 USD in 7 days
5.0 (21 reviews)
6.1
6.1
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Hi, I hope you’re doing well. I have reviewed your project description, and I believe I can assist you with resolving the issues in your legacy application. To begin, could you please provide me with additional details such as the link to your application? This will help me better understand the problem and provide an accurate solution. Additionally, have you made any recent modifications to the code that may have caused the issue? With over7 years of experience in PHP and MySQL, I have a deep understanding of both technologies and can efficiently identify and solve root problems. Once the issue is resolved, I can also optimize the application to prevent similar issues in the future. I have previously worked with legacy applications and have experience in debugging and improving their functionality. I also possess a strong understanding of managing databases from webpages and can optimize systems for future stability. I pride myself on clear and effective communication, allowing me to explain technical issues in a way that is easily understandable. I am available to discuss the project further via Zoom. Regards, Umar Hameed
$140 USD in 7 days
5.0 (31 reviews)
5.6
5.6
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As a TOP RATED PLUS full-stack developer with a strong background in PHP and MySQL, I am confident that I can resolve the issues with your legacy application seamlessly. Throughout my career, I have gained extensive experience working with and debugging complex applications, often without the presence of error messages that can help indicate the root problem. This makes me uniquely equipped to handle the challenge at hand. My deep understanding of PHP and MySQL allows me to identify problems accurately and provides innovative solutions in a timely manner. I understand the importance of not only fixing immediate bugs but also optimizing the system to prevent future issues. With this project, I will ensure that not only can you add or update records, but the entire structure will be better primed for stability. Documenting and sharing my solutions is another one of my fortes. So, you can expect clear communication along every step of this project. In summary, I offer you a track record of on-time delivery, technical expertise, and a commitment to ensuring your legacy application operates optimally well into the future. Let's spark a conversation and start unraveling those issues together!!!
$220 USD in 7 days
4.9 (24 reviews)
5.9
5.9
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Hi, I understand you're facing issues with your legacy PHP/MySQL application. I'm a skilled PHP/MySQL programmer with experience in debugging and optimizing legacy applications. I'll resolve the issue of adding and updating database records, and then optimize the application to prevent similar issues. I have fully documented the module and know exactly where the issues arise. Regards, Parvesh M.
$170 USD in 3 days
5.0 (59 reviews)
6.0
6.0
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With 8 years of experience as a Senior Full Stack PHP Software Engineer, I am well-prepared to diagnose and resolve the issues plaguing your legacy application. My specialty in system design, analysis, and integration, along with my deep understanding of PHP and MySQL, makes me the ideal fit for this project. Debugging and optimizing are tasks I'm comfortable taking on as debugging is often required in working with legacy codes. My extensive familiarity with database management from webpages means I can efficiently find and fix problems preventing the addition or update of records. Additionally, my proactive nature compels me to optimize not just the immediate issue at hand but also to prevent similar ones in the future. Communication is key for any tech problem-solving and my strong communication skills will ensure that not only do I offer clear explanations throughout the process but also that your input is included at every stage. Let's begin by clicking the "Chat" or "Award" button for an enthralling collaboration.
$250 USD in 7 days
5.0 (15 reviews)
5.7
5.7
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hello i am available to work on this task, and i have 6+ years experience in it and web devloppment contact me for more details on the task in chat am available to work on it. best regards
$140 USD in 7 days
5.0 (86 reviews)
5.3
5.3
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Hello There, Having worked in PHP and MySQL for over ten years, I possess the technical rigor and deep understanding of these technologies to not only identify and rectify your application issues but also ensure future stability. I am proficient in working with and debugging legacy applications, which will be vital in this project. Rest assured, I have a solid plan to approach this task - leveraging my skills in PHP, MySQL, Software Architecture and SQL, I will thoroughly analyze each module of your application to get to the root of the problem. My vast experience includes optimizing systems for future stability, which is an integral part of your requirements. In addition to my strong technical skills, I pride myself on having excellent communication abilities. This will come in handy as I explain technical issues to you clearly and keep you updated throughout the project.
$200 USD in 7 days
5.0 (18 reviews)
5.3
5.3
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I understand the need for an expert hand to resolve your app's critical issues. With over a decade of hands-on experience with PHP and MySQL, I know their intricacies inside out. Moreover, my proficiency in WordPress has acquainted me with debugging and optimizing complex systems – skills that can be directly applied to your legacy application. I have encountered and debugged various legacy systems before. My approach is methodical, meticulous and data-driven; I don't make wild guesses, but rather delve into every aspect of the problem to find a precise solution. As a holder of BSc in Mathematics and Computer Science, the analytical skills I mastered will prove invaluable in understanding and unraveling the root cause of your application's issue. However, my job doesn't end at fixing the current problem - it only begins there. Understanding the importance of long-term stability of any application, I strive not just to patch bugs but also optimize the code for future-proof performance. My aim is to ensure that such issues never crop up again so that you can confidently rely on your application. Let me handle your project today – you won't be disappointed!
$140 USD in 7 days
4.9 (44 reviews)
5.0
5.0
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Hello. I am here for you. Don't waste your time. I have read your doc fully and undesrstand your red type. I am confident. :) You will see perfect result with no bug. :) So I will do my best to deliver successful project. Let's start to work right now. I am ready for your task. Thanks for your job posting again. Best Mirislav Pesic
$150 USD in 7 days
5.0 (5 reviews)
4.6
4.6
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Dear Client, I am eager to assist you in resolving the issues with your legacy PHP/MySQL application, particularly focusing on the inability to add or update database records. With my extensive experience in PHP and MySQL, coupled with a knack for debugging and optimizing legacy systems, I am confident in my ability to identify and rectify the root cause of the problem. I am committed to ensuring not only the immediate resolution but also implementing optimizations to enhance the application's stability for the future. Looking forward to diving into the documentation and collaborating closely to swiftly resolve the issues at hand. Best regards, Iman Daneshi
$150 USD in 3 days
5.0 (5 reviews)
4.4
4.4
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Hello, Alan D., Thank you for posting the job "Debug & Optimize Legacy PHP/MySQL App". With my extensive experience in software development, I am confident that I can deliver perfect results for your business. I have a deep understanding of the field you mentioned and have successfully completed projects of similar complexity in the past. I am available to start immediately and can assure you of high-quality work delivered with speed and efficiency. Given the opportunity to work on this project, I am committed to exceeding your expectations. I'd like to discuss further details about your project in a brief call or chat soon. Looking forward to working with you! Best regards, Derek
$200 USD in 2 days
5.0 (1 review)
4.1
4.1
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Hi, there! Having confirmed the job posting, it seems like you might be looking for a senior developer for your project - Debug & Optimize Legacy PHP/MySQL App. I have worked with similar projects so that I can provide you with a satisfied result. This project really caught my attention because I have been working in this specific industry for 10 years now, and have not only gained experience or knowledge but, I have got the answer to the main problem which many clients face which is communication and I can assure that you will be satisfied and updated throughout the process, if we move forward. Can't wait to have you on chat with me, and to get started with this project. Regards
$200 USD in 3 days
5.0 (5 reviews)
4.1
4.1

About the client

Flag of UNITED STATES
Summerfield, United States
5.0
60
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Member since Sep 27, 2002

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