I will build java spring boot, asp dot net core mvc web applications


About this gig
Looking for a reliable backend developer to build a secure, scalable, and high-performance web application?
I specialise in developing custom Java Spring Boot and ASP.NET Core MVC applications tailored to your business needs. Whether you're building a new system, modernising an existing application, or adding new features, I'll deliver clean, maintainable, and production-ready code.
What I can build
- Custom Java Spring Boot applications
- ASP.NET Core MVC web applications
- RESTful API development and integration
- Authentication and user management
- Admin dashboards and business portals
- CRUD applications
- Database design and integration (MySQL, PostgreSQL, SQL Server)
- Third-party API integration
- Payment gateway integration
- Bug fixing and performance optimisation
- Responsive frontend integration
- Deployment and hosting support
Whether you need a business application, management system, booking platform, e-commerce backend, or a custom enterprise solution, I'm here to help bring your ideas to life.
Get to know Gallagher
Full Stack Developer, SaaS, APIs, AI Workflows
- FromUnited States
- Member sinceJul 2026
- Avg. response time5 hours
Languages
English
FAQ
Can you develop both frontend and backend?
Yes. I can build complete web applications with responsive user interfaces and robust backend functionality.
Can you integrate third-party APIs?
Absolutely. I can integrate payment gateways, CRM systems, Google APIs, social logins, email services, and many other third-party APIs.
Can you fix bugs or improve an existing application?
Yes. I can troubleshoot, optimise, refactor, and add new features to existing Spring Boot or ASP.NET Core MVC projects
