I will build a scalable backend API for your web or mobile app


Level 1
About this gig
Need a reliable backend system for your web or mobile application?
I help startups, businesses, and developers build scalable backend APIs that handle authentication, data, business logic, and integrations reliably as your project grows.
Whether you're building a SaaS platform, mobile app, internal tool, or custom web application, I'll create a backend structure that is secure, organized, and built for real world use.
What I can help you with:
- Backend API development
- User authentication and login systems
- Database design and management
- REST API development
- Third party API integrations
- Scalable backend architecture
What you'll get:
- Clean and maintainable backend code
- Secure and reliable API structure
- Organized database setup
- Scalable system architecture
- Clear communication and support
I focus on building backend systems that remain stable, scalable, and easy to maintain as your application grows.
Send me a message and tell me about your project. I'll help you build the right backend solution.
Get to know Marjan Tomev
Full Stack Developer and DevOps Engineer for Web Apps SaaS Platforms and CI CD
Level 1
- FromSwitzerland
- Member sinceJul 2024
- Avg. response time1 hour
- Last delivery5 days
Languages
English, Bosnian, Macedonian, Croatian, German, Bulgarian, Serbian
My Portfolio
Other Software Development Services I Offer
FAQ
Can you build backend systems for existing applications?
Yes. I can build new backend systems or continue development on existing applications, APIs, and databases depending on your project requirements.
What technologies do you use for backend development?
I work with modern backend technologies including ASP.NET Core, Spring Boot, Django, Node.js, PostgreSQL, MySQL, MongoDB, and REST APIs depending on the project needs.
Can you create authentication and user management systems?
Yes. I can implement secure authentication systems including login, registration, JWT authentication, user roles, and account management functionality.
Can you integrate third-party APIs or external services?
Absolutely. I can integrate payment systems, external APIs, authentication providers, cloud services, and other third-party platforms into your backend system.
Will the backend be scalable for future growth?
Yes. I focus on building backend systems with clean architecture and scalable structure so your application can grow more easily over time.

