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Fiverr Pro
English
$
USD
I will develop API integrations, automation and backend solutions for your busin
Victor B
About this gig
Do you need to connect different systems, automate repetitive tasks, or integrate an API into your application?
I can help you build reliable and customized backend solutions using Node.js, JavaScript, C#, SQL and REST APIs.
I have practical experience developing integrations and automation workflows involving e-commerce platforms, marketplaces, databases, inventory systems and external APIs.
What I can do for you
API Integration
- Connect your application with external APIs
- REST API integration
- Authentication and token handling
- JSON and XML processing
- Data synchronization between systems
Business Automation
- Automate repetitive processes
- Automate data processing
- Synchronize information between platforms
- Build custom business workflows
- Reduce manual tasks and errors
Backend Development
- Node.js / Express
- C#
- REST APIs
- Custom backend logic
- Data processing services
Database & SQL
- SQL Server queries
- Database integration
- Data transformation
- Complex queries and joins
- Data synchronization
Get to know Victor B
Victor B
Software Developer
- FromColombia
- Member sinceOct 2026
Languages
Spanish
I am a Software Developer with experience in backend development, API integration, and process automation through REST services. I specialize in building e-commerce integrations, microservices, and ETL workflows, with a practical approach to solving business needs through efficient and scalable software solutions.
FAQ
Can you work with an API that is not listed in your Gig?
Yes. I can work with most REST APIs as long as the API provides accessible documentation and the required authentication credentials.
Do you provide the source code?
Yes. The source code for the delivered project is included with all packages.
Can you integrate multiple APIs?
Yes. The Standard package supports up to 2 API integrations and the Premium package supports up to 3. More complex projects can be discussed before ordering.
Can you work with my existing code?
Yes. I can work with an existing Node.js, JavaScript or C# project, depending on its structure and requirements.
Can you connect an API to a database?
Yes. I can build integrations that retrieve, transform and store data using databases such as SQL Server, SQLite or other supported database systems.
Can you automate a repetitive task in my business?
Yes. If the process can be automated through APIs, databases, scripts or software integrations, I can help design and implement the solution.
Will you provide documentation?
Yes. Standard and Premium projects include basic documentation explaining how to configure and use the delivered solution.
Can you fix an existing API integration?
Yes. I can investigate API errors, authentication problems, incorrect requests, data-processing issues and other integration-related problems.
