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$
USD
I will build a custom java backend or rest API for your application
Tevinu W
About this gig
I build custom Java backend systems the logic, database, and automation layer that powers business applications like CRMs, ERPs, and internal tools.
Using Java and Jakarta EE, I create secure, database-backed systems with:
- Automated workflows and scheduled tasks
- REST API integrations with other tools
- Role-based access and secure authentication
- Dashboards and reporting on your business data
I test everything with JUnit and Mockito and verify APIs through Postman before delivery, so what you get already works not just compiles.
Not sure if your project needs a full system or just one piece of it? Message me your requirements and I'll recommend the right package.
Get to know Tevinu W
Tevinu W
Software Engineer, Web Developer, Mobile App Developer, WordPress Developer
- FromSri Lanka
- Member sinceSep 2022
- Avg. response time1 hour
Languages
English, Sinhala
I am a motivated Software Engineer with hands-on experience in full-stack web development, mobile applications, and software testing. I am skilled in Java, React, and TypeScript, wordpress with a strong understanding of modern engineering practices and problem-solving in fast-paced environments.
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FAQ
What does "Jakarta EE" mean, and why does it matter?
It's the enterprise Java framework used to build reliable, secure backend systems - the same category of technology real CRM and ERP platforms are built on internally.
Can this integrate with my existing frontend or app?
Yes, send me your API requirements or existing frontend code, and I'll build backend endpoints that connect to it directly.
Do you provide testing?
Yes, unit tests using JUnit and Mockito are included from the Standard package up, so the logic is verified before delivery.
Can you handle scheduled or automated tasks?
Yes, things like automatic data cleanup, notifications, or recurring jobs are built in from the Standard package onward.
Do I need to have technical knowledge to work with you?
No, describe what your system needs to do in plain terms, and I'll handle the technical implementation and explain what you're getting.
