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I will java spring boot developer rest API backend application specialist
Datacrafter
About this gig
I am passionate Java Spring Boot Developer with 2+ years of experience creating complete backend applications for web and mobile apps.
I specialize in building scalable, secure, and production-ready Spring Boot applications, whether you need a small module or a full backend system. Every application I deliver is clean, well-structured, and fully documented.
What I Can Build for You:
- Full Backend Applications with Spring Boot
- REST APIs for web and mobile apps
- Database Integration: MySQL, PostgreSQL, JPA/Hibernate
- Authentication & Authorization: JWT / Role-based access
- Business Logic & Validation
- Production-ready, Clean, & Documented Code
Why Choose Me?
Clean and maintainable code
Production-ready backend applications
Fast and clear communication
Agile mindset and problem-solving attitude
Full focus on client satisfaction
Lets build your Spring Boot application together!
Message me now and lets discuss your project requirements.
Get to know Datacrafter
Datacrafter
- FromPakistan
- Member sinceJul 2025
Languages
English, German, French, Russian
Hi! I'm Shahan, a Python, Power BI, and SQL Data Analyst with hands-on experience in cleaning, analyzing, and visualizing business data.
I specialize in turning messy Excel, CSV, or database files into automated dashboards, data-driven insights, and performance reports using tools like:
Python (Pandas, Matplotlib)
Power BI (KPIs, DAX, Dashboards)
SQL (MySQL, SQLite – complex queries & joins)
Excel (Pivot Tables, Power Query)
Whether you're a business owner, researcher, or startup, I can:
Clean and filter your raw datasets
Extract and summarize KPIs
Visualize data trends with custom dashboard
FAQ
Can you build a backend for mobile apps?
Yes! I can develop complete backend systems for web and mobile applications with REST APIs and database integration.
Do you provide authentication & security?
Absolutely. I implement JWT authentication, role-based access, and follow Spring Boot security best practices.
Will I get source code?
Yes, every package includes full source code with detailed comments.
Do you provide post-delivery support?
Yes, I provide revisions and guidance to ensure the application works perfectly in your environment.
Can you scale the project if it grows later?
Yes, I build applications with scalable architecture that can easily be expanded with new modules and features.
