You will get seamless REST API integration using Java & Spring Boot for scalable backend

Project details
Are you struggling with integrating third-party APIs or building scalable, secure RESTful services in your Java application?
I offer end-to-end REST API development and integration using Java and Spring Boot, designed to enhance your application's functionality, data flow, and scalability.
With over 13 years of experience in enterprise systems, I help businesses streamline backend communication, modernize legacy services, and connect seamlessly with platforms like Salesforce, Oracle BRM, and more.
🔍 My Solution Includes:
✅ Custom REST API development with Spring Boot, JPA/Hibernate
✅ Smooth integration with third-party/internal APIs using JSON/XML
✅ Secure authentication setup (OAuth2, JWT, SSO)
✅ Microservice-ready design and layered architecture
✅ Full error handling, logging, versioning, and API documentation
✅ Database integration with PostgreSQL, Oracle, MySQL
✅ Fast, scalable deployment using Docker, Git, and CI/CD tools
Let me help you turn disconnected systems into a unified platform with clean, maintainable, and production-ready APIs.
💡 Let’s build smart, secure integrations that grow with your business.
I offer end-to-end REST API development and integration using Java and Spring Boot, designed to enhance your application's functionality, data flow, and scalability.
With over 13 years of experience in enterprise systems, I help businesses streamline backend communication, modernize legacy services, and connect seamlessly with platforms like Salesforce, Oracle BRM, and more.
🔍 My Solution Includes:
✅ Custom REST API development with Spring Boot, JPA/Hibernate
✅ Smooth integration with third-party/internal APIs using JSON/XML
✅ Secure authentication setup (OAuth2, JWT, SSO)
✅ Microservice-ready design and layered architecture
✅ Full error handling, logging, versioning, and API documentation
✅ Database integration with PostgreSQL, Oracle, MySQL
✅ Fast, scalable deployment using Docker, Git, and CI/CD tools
Let me help you turn disconnected systems into a unified platform with clean, maintainable, and production-ready APIs.
💡 Let’s build smart, secure integrations that grow with your business.
Programming Languages
HTML & CSS, JavaScript, JavaCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $450
These options are included with the project scope.
$450
- Delivery Time 7 days
- Number of Revisions Unlimited
- Design Customization
- Content Upload
- Responsive Design
- Source Code
About Rizwan
Full Stack Developer | Java Spring Boot, MERN Stack, REST APIs
Islamabad, Pakistan - 7:08 pm local time
𝐊𝐞𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
🔧𝐁𝐚𝐜𝐤-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭:
Proficient in Java (J2SE, J2EE, J2ME), Spring Boot, Hibernate, and JPA, building clean and modular backends with REST APIs and microservice-based architectures.
🌐 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 (𝗠𝗘𝗥𝗡 & 𝗠𝗼𝗱𝗲𝗿𝗻 𝗪𝗲𝗯)
Experienced in developing full-stack applications using MongoDB, Express.js, React.js, and Node.js.
Capable of building responsive UIs, integrating APIs, and delivering complete end-to-end web solutions.
🔗𝐄𝐧𝐭𝐞𝐫𝐩𝐫𝐢𝐬𝐞 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧:
Proficient in integrating Oracle BRM, Salesforce, Microsoft Dynamics, and OSS/BSS systems to build scalable enterprise ecosystems. Act as a Subject Matter Expert (SME) in business object mapping, aligning CRM structures with real-world business domains. Experienced in driving automation through RPA for streamlined operations.
🚀𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐈/𝐂𝐃:
Skilled in setting up CI/CD pipelines using Git, Bitbucket, Bamboo, Jenkins, and Docker to streamline deployments and improve delivery efficiency.
🔐𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐒𝐒𝐎:
Experience implementing secure authentication mechanisms using OAuth2, JWT, and enterprise-grade Single Sign-On (SSO) across distributed systems.
🖥️𝐒𝐞𝐫𝐯𝐞𝐫𝐬:
Worked extensively with Apache Tomcat, JBoss (4,5, 7), WildFly (4, 7, 13), Glassfish server v3, BES, VMWare 17, Apache tomcat, Jettyserver and JSF with RichFaces for UI-driven enterprise solutions.
🖥️ 𝐎𝐩𝐞𝐫𝐚𝐭𝐢𝐧𝐠 𝐒𝐲𝐬𝐭𝐞𝐦𝐬:
Microsoft Windows XP, Windows 7, window 10, Red Hat Enterprise 4.0, Knoppix 5.1, BackTrack 4, Linux, Ubuntu 22 LTS
🛠️ 𝐓𝐨𝐨𝐥𝐬:
Bitbucket, Git, Vs code Jira, pipline, hipchat and Confluence, Scrum/Agile development
methodologies, Netbeans 6.1 & 6.9 and Eclipse IDE, Metlab, MS-Visual Studio,
MS Office 2007, Ms Visio, Jasper reports
🗃️𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 & 𝐒𝐲𝐬𝐭𝐞𝐦𝐬:
Oracle 9i, 13g, 14g, SQL Server 5.0 2017,
PostgreSQL 7, MySQL 8, MS Access,
Oracle BRM, EBSData (Financial Reporting)
Holistics, MySQL Workbench 5.0
𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞:
🔹 Strategic Alignment: I design solutions that align with business goals, not just technical requirements.
🔹 Proven Track Record of Excellence: Experience working across domains like telecom, fintech, healthcare, and SaaS systems.
🔹 Architectural Precision: Focus on building future-proof, maintainable, and high-performance systems.
🔹 Executive-Level Communication: I maintain transparent, articulate, and timely communication throughout the project lifecycle.
🔹 Operational Excellence: My solutions are engineered for performance, resilience, and sustainability, enabling businesses to scale with confidence and efficiency.
📚 𝐁𝐨𝐨𝐤𝐬 & 𝐏𝐮𝐛𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬
Voice Vox: Published by Lambert Academic Publishing (ISBN: 978-3-659-30294-7)
Mobile Call Establishment using SIP Without GSM Charges is a technical guide on implementing a complete VoIP client using SIP and Asterisk PBX, this book explores how to build telecom applications across all OSI layers, including SIP, RTP, SDP, UDP, and more , empowering developers to create cost-efficient, real-time voice communication systems.
🤝 𝐋𝐞𝐭'𝐬 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞:
If you're looking for a results-driven Java Developer who understands enterprise systems and builds scalable, secure, and modern backend platforms, let's connect and bring your vision to life.
Steps for completing your project
After purchasing the project, send requirements so Rizwan can start the project.
Delivery time starts when Rizwan receives requirements from you.
Rizwan works on your project following the steps below.
Revisions may occur after the delivery date.
API Endpoints & Details
I will analyze your requirements and seamlessly develop or integrate REST APIs using Java & Spring Boot, ensuring clean architecture, secure endpoints, and full testing before final delivery.