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I will integrate apis into your web application
Yan Gorski
About this gig
sting web applications and backend systems. This can include payment services, calendars, shipping platforms, CRMs, messaging tools, authentication providers, and custom APIs.
Depending on your package, I can provide:
API authentication and secure credential handling
GET, POST, PUT, PATCH, and DELETE operations
Webhook processing and validation
Database persistence and synchronization
Error handling, retries, and logging
Automated tests and code documentation
Docker or deployment support
I work with Java and Spring Boot, Python and FastAPI, JavaScript, and React-based applications.
API projects vary significantly. Please contact me before ordering with the documentation, current stack, and required data flow so I can validate the scope.again it didn't work.... aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Get to know Yan Gorski
Yan Gorski
Backend and Full Stack Developer Java APIs and Automation
- FromBrazil
- Member sinceJan 2017
- Last delivery6 years
Languages
English, Portuguese
Backend and full-stack developer with professional experience since 2022. I build reliable web applications, REST APIs, integrations, and workflow automations from architecture through testing and deployment.
My core stack includes Java, Kotlin, Spring Boot, Python, JavaScript, React, PostgreSQL, MySQL, Docker, AWS, RabbitMQ, Kafka, and n8n.
I combine hands-on software engineering with strong analytical training in Information Technology and a master's degree in Chemistry. You receive maintainable code, clear technical decisions, documentation, and consistent progress updates.
Other Software Development Services I Offer
FAQ
Which APIs can you integrate?
Any documented API that you are authorized to use, including REST APIs and webhook-based services.
Can you build a new API?
Yes. Message me with the resources, authentication model, database, and expected consumers.
Will credentials be included in the source code?
No. Secrets should be handled through environment variables or an appropriate secret-management mechanism.
Do you test the integration?
Yes. The level of automated testing depends on the selected package and available sandbox environment.
