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You will get secure REST API development using Java and Spring Boot

Jaydeep D.Status: Offline
Jaydeep D. Jaydeep D.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Jaydeep, priced and ready to go.
Jaydeep D.Status: Offline
Jaydeep D. Jaydeep D.
5.0
Top Rated
Preview image

Let a pro handle the details

Buy Web Application Programming services from Jaydeep, priced and ready to go.

Project details

Get secure, scalable, and production-ready REST API development using Java and Spring Boot. With 15+ years of backend engineering experience, I specialize in Java, Spring Boot, Spring MVC, Spring Security, RESTful API Development, GraphQL, SOAP Web Services, OAuth 2.0, OIDC, JWT, RBAC, API Security, Hibernate, JPA, JDBC, database integration, and third-party API integrations.

I can design and develop REST APIs for SaaS platforms, web applications, mobile applications, enterprise systems, CRM, ERP, workflow automation, FinTech applications, and other business platforms. Development can include API architecture, endpoint design, request and response models, authentication, authorization, validation, error handling, database integration, third-party services, payment gateways, API documentation, testing, and performance optimization.

Whether you need a new REST API, secure backend services, third-party API integration, API modernization, database-connected APIs, or performance optimization for existing endpoints, I can build reliable and maintainable solutions using modern Java and Spring Boot practices.
Programming Languages
JavaScript, Java, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security

What's included $299

These options are included with the project scope.

$299
  • Delivery Time 7 days
  • Number of Revisions 2
  • Number of Pages 1

Frequently asked questions

5.0
3 reviews
100% Complete
(3)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

PR

Pankaj R.
5.00
Sep 9, 2022
Senior Java Developer to create some APIs in existing project Work of the highest quality! He is trustworthy. He sent me all the APIs without any issues. He has done a great job and completed the work way before my deadline. He has also pointed out some vulnerabilities in my project and fixed them at no additional cost. I strongly recommend him. He is also very prompt in his response when I need him.

KJ

Krishnaben J.
5.00
Aug 28, 2022
JAVA Developer with 5+ years of experience I had the pleasure of working with Jaydeep as a freelancer. He is very reliable, and knowledgeable, and completes the work to perfection. I highly recommend him!!
In the future, I will recommend you for my projects.

SS

Sharath S.
4.85
May 13, 2021
Build Java Spring boot rest apis for e-commerce application Jaydeep is very enthusiastic in working on the project and shown great professionalism. His vast knowledge on spring boot framework and databases has helped to add new features quickly to the project. He is an amazing guy to work with.
Jaydeep D.Status: Offline

About Jaydeep

Jaydeep D.Status: Offline
Senior Java Developer | Spring Boot | Backend | Microservices | AWS
100% Job Success
5.0  (3 reviews)
Ahmedabad, India - 2:10 am local time
15+ years of Java development means I’ve worked far beyond writing backend code, from designing application architecture and building Spring Boot services to modernizing legacy systems, developing APIs, optimizing databases, and solving production-level challenges.

I help businesses turn complex backend requirements into secure, scalable, maintainable, and production-ready software.

My experience spans SaaS, FinTech, Banking, Healthcare, Agriculture, ERP, CRM, AdTech, Digital Asset Management, Identity Verification, Workflow Automation, Document Management, and enterprise software.

𝗝𝗔𝗩𝗔 & 𝗕𝗔𝗖𝗞𝗘𝗡𝗗 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘
Java, Core Java, Java SE, Java EE, Spring Boot, Spring Framework, Spring MVC, Spring Security, Hibernate, JPA, JDBC, MyBatis, Spring Batch, Maven, Gradle, Apache Tomcat, Java Servlet API, ZK Framework, REST APIs, GraphQL, SOAP, Microservices, Distributed Systems, Event-Driven Architecture, Enterprise Java, Backend Development, Web Application Development and Cloud-Native Development.

𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗
✔️ Java & Spring Boot backend applications
✔️ Microservices and scalable backend architecture
✔️ REST API, GraphQL API and SOAP web services
✔️ Java web applications using ZK Framework
✔️ SaaS, ERP, CRM and workflow automation platforms
✔️ Authentication, Authorization, OAuth, OIDC, JWT and RBAC
✔️ Third-party API and payment gateway integrations

𝗔𝗣𝗜𝗦, 𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘𝗦 & 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬
REST API Development, GraphQL, SOAP Web Services, API Integration, OpenAPI, Swagger, OAuth 2.0, OIDC, JWT, RBAC, API Security, PostgreSQL, MySQL, Oracle Database, SQL Server, MongoDB, Redis, Database Design, Query Optimization, Performance Tuning, Hibernate/JPA and Transaction Management.

𝗠𝗜𝗖𝗥𝗢𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 & 𝗖𝗟𝗢𝗨𝗗
Spring Boot Microservices, Microservices Architecture, Distributed Systems, Apache Kafka, Redis, AWS, Azure, Google Cloud Platform, AWS EC2, RDS, S3, Lambda, Docker, Kubernetes, Jenkins, Git, GitHub, CI/CD, Cloud Deployment, Containerization, Kubernetes Orchestration and Linux-based Server Systems.

𝗟𝗘𝗚𝗔𝗖𝗬 𝗠𝗢𝗗𝗘𝗥𝗡𝗜𝗭𝗔𝗧𝗜𝗢𝗡 & 𝗦𝗨𝗣𝗣𝗢𝗥𝗧
✔️ Legacy Java Application Maintenance
✔️ Legacy System Modernization
✔️ SOAP to REST Migration
✔️ Java Version & Framework Upgrades
✔️ Monolith to Microservices Migration
✔️ Code Refactoring & Technical Debt Reduction
✔️ Bug Fixing & Root Cause Analysis
✔️ Linux Server & Web Application Troubleshooting
✔️ Database & Performance Optimization

𝗥𝗘𝗔𝗟-𝗪𝗢𝗥𝗟𝗗 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘
Worked on Digital Asset Management platforms with 15+ microservices, FinTech loan processing and digital lending systems, privacy and compliance platforms, Farm Management ERP, banking workflow automation, identity verification and document intelligence, multi-tenant SaaS and booking platforms, CRM systems, document management and enterprise workflow applications.

My responsibilities have included backend architecture, Java development, Spring Boot development, ZK-based web application development, API development, database design, integrations, authentication, authorization, cloud deployment, modernization, performance optimization and production support.

𝗔𝗜-𝗔𝗦𝗦𝗜𝗦𝗧𝗘𝗗 𝗘𝗡𝗚𝗜𝗡𝗘𝗘𝗥𝗜𝗡𝗚
I use Cursor, Claude Code, ChatGPT, GitHub Copilot, Gemini and Windsurf for AI-assisted coding, code generation, debugging, refactoring, testing, documentation, code reviews and development automation.

AI/LLM experience includes OpenAI API integration, AI-powered document intelligence, RAG workflows, LLM integrations, AI-generated code validation, AI-assisted modernization and intelligent application development.

𝗧𝗘𝗦𝗧𝗜𝗡𝗚 & 𝗤𝗨𝗔𝗟𝗜𝗧𝗬
JUnit, Mockito, Unit Testing, Integration Testing, API Testing, Debugging, Log Analysis, Code Reviews, Performance Testing, Root Cause Analysis, Secure Coding, Application Monitoring and Production Troubleshooting.

𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘
✔️ 15+ years of hands-on Java backend development
✔️ Strong Spring Boot, Microservices and Software Architecture expertise
✔️ Enterprise backend, SaaS and production system experience
✔️ Java web application development with ZK Framework
✔️ AI-enhanced development and modernization workflows

Looking for a Senior Java Developer, Java Backend Developer, Spring Boot Developer, Microservices Developer, Java Architect, Backend Engineer, Enterprise Java Developer, REST API Developer, GraphQL Developer, AWS Java Developer, Cloud Engineer, Software Architect, Backend Architect, Java Consultant, ZK Developer, or Enterprise Application Developer?

Whether you need Java backend development, Spring Boot Microservices, REST API development, ZK web application development, legacy modernization, database optimization, cloud deployment, API integration, production troubleshooting, or SaaS backend development, I can help.

Click Hire or Invite me to your job post and let's discuss your project.

Steps for completing your project

After purchasing the project, send requirements so Jaydeep can start the project.

Delivery time starts when Jaydeep receives requirements from you.

Jaydeep works on your project following the steps below.

Revisions may occur after the delivery date.

Plan API Architecture

Review your requirements and define REST API endpoints, data models, authentication, authorization, integrations, and database structure.

Develop Secure REST APIs

Build secure Spring Boot REST APIs with JWT, OAuth, database integration, validation, error handling, and third-party integrations.

Review the work, release payment, and leave feedback to Jaydeep.