I will develop secure backend API solutions

D
danielracho
D
danielracho
Daniel R
develop secure backend API solutions
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develop secure backend API solutions

About this gig

I will build secure and reliable API integrations for your application, helping your systems communicate efficiently and safely.

I specialize in backend development, REST APIs, Spring Boot, Java, authentication, and third-party API integrations. Whether you need to connect external services, create API endpoints, implement OAuth2/JWT authentication, or fix existing API issues, I can help.

My focus is on writing clean, maintainable, and scalable backend solutions following industry best practices.

Services I offer:

  • REST API development and integration
  • Third-party API connections
  • Backend API development
  • Authentication and authorization (OAuth2, JWT)
  • Database integration
  • API troubleshooting and improvements

I will provide clean source code and a solution tailored to your specific requirements.

  • Expertise

    • Debugging
    • Performance
    • Security
    • Design

  • Programming language

    • Java

  • Backend framework

    • Express.js
    • FastAPI
    • Node.js
    • Spring

Get to know Daniel R

Daniel R

Software Engineer Backend Security

  • FromSweden
  • Member sinceJul 2026
  • Avg. response time1 hour

  • Languages

    Swedish, English
I am a Software Engineer specializing in Backend and Security with extensive experience in system design, API development, and infrastructure. I have a strong focus on IAM, authentication, and integrating security controls into CI/CD pipelines. My expertise includes Java, Spring Boot, Docker, and architecting robust, scalable systems for organizations like the Swedish Police and Scania.

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