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Fiverr Pro
English
$
USD
I will debug, fix, and develop code in multiple programming languages
CN dev
About this gig
Are you struggling with broken code, unexpected errors, or a programming task that needs a reliable solution?
I will inspect, debug, fix, improve, or develop your code according to your requirements. I can work with many commonly used programming languages and help with small scripts, applications, websites, databases, algorithms, and general software issues.
Languages and technologies I can support include:
Python, JavaScript, TypeScript, Java, C, C++, C#, Go, Rust, PHP, Ruby, Swift, Kotlin, SQL, R, MATLAB, Bash, PowerShell, HTML, CSS, Haskell, Lisp, OCaml, COBOL, Fortran, Pascal, and Assembly.
Services include:
- Finding and fixing bugs
- Resolving syntax, runtime, and logical errors
- Writing small programs and scripts
- Adding or improving features
- Cleaning and refactoring code
- Improving readability and performance
- Explaining errors and solutions
- Fixing database queries
- Reviewing existing code
- Converting code between supported languages
Please send your code, error message, expected result, and project instructions before ordering. Complex or unfamiliar projects may require a custom offer.
I will not complete prohibited academic tests, examinations, hiring assessments, malware, unautho
Get to know CN dev
CN dev
Developing extensions as your wish!
- FromSri Lanka
- Member sinceJul 2026
- Avg. response time1 hour
Languages
English
Hi! I’m a front-end developer skilled in HTML, CSS, and JavaScript, with a focus on Chrome and browser-extension development (3 Years of experience).
I can create custom extensions, fix existing extension bugs, improve popup interfaces, update manifest configurations, and work with Manifest V3, content scripts, and Chrome Storage.
I value clear communication, clean code, and reliable delivery. My goal is to understand your requirements and provide a practical solution that works smoothly.
Feel free to contact me to discuss your project before placing an order.
Other Software Development Services I Offer
FAQ
Can you work with any programming language?
I support many common and several older programming languages. Please message me with the language and project details so I can confirm that the request is suitable.
Should I contact you before ordering?
Yes, especially for complex bugs, large projects, unfamiliar technologies, or urgent delivery.
Will you explain what caused the bug?
Yes. Each package includes an explanation appropriate to the size and complexity of the project.
Can you add a new feature?
Yes. Small and medium-sized features can be included in the Standard or Premium package after the scope has been reviewed.
Can you work on an existing codebase?
Yes. Please provide the relevant files, setup instructions, dependencies, and a description of the expected behavior.
Do you offer urgent delivery?
Urgent delivery may be available depending on the language, project size, and current workload. Contact me before ordering.
Do you complete school assignments or employment tests?
I can provide tutoring, explanations, debugging guidance, and educational support, but I will not impersonate a student or candidate or secretly complete restricted assessments.
