You will get Spring Boot 2.7 → 3.2 Migration | Jakarta EE, Hibernate, Security
Rising Talent
Rising Talent
Project details
Upgrade your Spring Boot application from 2.x.x to 3.x.x safely and efficiently. I specialize in Spring Boot migration and modernization, ensuring a smooth transition with full compatibility, performance improvements, and codebase optimization.
With Spring Boot 3.x built on Jakarta EE 9+, upgrades require careful handling of:
• Package namespace changes (javax. → jakarta.**),
• Hibernate 6 & JPA updates,
• Spring Security migration (antMatchers → requestMatchers),
• Gradle/Maven plugin adjustments, and Third-party library compatibility.
What I Offer:
✅ Analyze your existing Spring Boot 2.7.x project
✅ Identify breaking changes & library issues
✅ Update dependencies (Spring, Hibernate, Security, Testing, etc.)
✅ Migrate code for Jakarta EE and deprecated APIs
✅ Upgrade build tools (Maven/Gradle)
✅ Ensure test coverage & backward compatibility
✅ Deliver detailed migration documentation
Why Choose Me:
• Hands-on experience with Spring Boot, Spring Security, Hibernate, JPA, REST APIs
• Expertise in Java 8 → Java 17/21 migration required for Spring Boot 3.x
• Proven track record in application modernization & refactoring
• Clear communication & reliable deliver
With Spring Boot 3.x built on Jakarta EE 9+, upgrades require careful handling of:
• Package namespace changes (javax. → jakarta.**),
• Hibernate 6 & JPA updates,
• Spring Security migration (antMatchers → requestMatchers),
• Gradle/Maven plugin adjustments, and Third-party library compatibility.
What I Offer:
✅ Analyze your existing Spring Boot 2.7.x project
✅ Identify breaking changes & library issues
✅ Update dependencies (Spring, Hibernate, Security, Testing, etc.)
✅ Migrate code for Jakarta EE and deprecated APIs
✅ Upgrade build tools (Maven/Gradle)
✅ Ensure test coverage & backward compatibility
✅ Deliver detailed migration documentation
Why Choose Me:
• Hands-on experience with Spring Boot, Spring Security, Hibernate, JPA, REST APIs
• Expertise in Java 8 → Java 17/21 migration required for Spring Boot 3.x
• Proven track record in application modernization & refactoring
• Clear communication & reliable deliver
Programming Languages
JavaCoding Expertise
SecurityWhat's included
| Service Tiers |
Starter
$200
|
Standard
$500
|
Advanced
$900
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 14 days |
Number of Revisions | 2 | 5 | 9 |
Number of Pages | 8 | 15 | 99 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $600
Additional Revision
+$20
Additional Page
(+ 1 Day)
+$30Frequently asked questions
About Md. Azmol
Java Developer | Spring Boot | Rest API | 9+ Years
Dhaka, Bangladesh - 1:59 am local time
If your backend is 𝐬𝐥𝐨𝐰, 𝐡𝐚𝐫𝐝 𝐭𝐨 𝐬𝐜𝐚𝐥𝐞, or 𝐛𝐫𝐞𝐚𝐤𝐢𝐧𝐠 𝐮𝐧𝐝𝐞𝐫 𝐥𝐨𝐚𝐝—you don’t need just a developer. You need someone who understands how to build systems that actually work in 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧.
That’s where I come in.
With 𝟗+ 𝐲𝐞𝐚𝐫𝐬 of 𝐫𝐞𝐚𝐥-𝐰𝐨𝐫𝐥𝐝 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞, I help businesses design, build, and optimize 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐉𝐚𝐯𝐚 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 using 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭 and 𝐦𝐨𝐝𝐞𝐫𝐧 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞𝐬.
💡 𝐖𝐡𝐚𝐭 𝐌𝐚𝐤𝐞𝐬 𝐌𝐞 𝐃𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭?
Most developers focus on writing code. I focus on delivering 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐫𝐞𝐬𝐮𝐥𝐭𝐬.
✔ I design systems that 𝐬𝐜𝐚𝐥𝐞 with your growth
✔ I fix 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐛𝐨𝐭𝐭𝐥𝐞𝐧𝐞𝐜𝐤𝐬 that slow down your product
✔ I build 𝐬𝐞𝐜𝐮𝐫𝐞 𝐀𝐏𝐈𝐬 that protect your data and users
✔ I turn 𝐜𝐨𝐦𝐩𝐥𝐞𝐱 𝐫𝐞𝐪𝐮𝐢𝐫𝐞𝐦𝐞𝐧𝐭𝐬 into clean, maintainable solutions
Whether you're building an 𝐌𝐕𝐏, scaling a 𝐒𝐚𝐚𝐒 𝐩𝐫𝐨𝐝𝐮𝐜𝐭, or fixing a 𝐛𝐫𝐨𝐤𝐞𝐧 𝐬𝐲𝐬𝐭𝐞𝐦—I bring 𝐜𝐥𝐚𝐫𝐢𝐭𝐲, 𝐬𝐩𝐞𝐞𝐝, and 𝐫𝐞𝐥𝐢𝐚𝐛𝐢𝐥𝐢𝐭𝐲 to your project.
⚙️ 𝐂𝐨𝐫𝐞 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
✔ 𝐉𝐚𝐯𝐚, 𝐉𝟐𝐄𝐄
✔ 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭, 𝐒𝐩𝐫𝐢𝐧𝐠 𝐌𝐕𝐂, 𝐒𝐩𝐫𝐢𝐧𝐠 𝐃𝐚𝐭𝐚
✔ 𝐒𝐩𝐫𝐢𝐧𝐠 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 (𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐀𝐮𝐭𝐡𝐨𝐫𝐢𝐳𝐚𝐭𝐢𝐨𝐧)
✔ 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐚𝐭𝐜𝐡, 𝐒𝐩𝐫𝐢𝐧𝐠 𝐀𝐌𝐐𝐏
✔ 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 & 𝐌𝐨𝐧𝐨𝐥𝐢𝐭𝐡𝐢𝐜 𝐒𝐲𝐬𝐭𝐞𝐦𝐬
✔ 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐃𝐨𝐜𝐮𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧
✔ 𝐃𝐨𝐜𝐤𝐞𝐫 (𝐂𝐨𝐧𝐭𝐚𝐢𝐧𝐞𝐫𝐢𝐳𝐚𝐭𝐢𝐨𝐧 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭)
✔ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐐𝐮𝐞𝐫𝐲 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧
✔ 𝐓𝐰𝐢𝐥𝐢𝐨 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧
✔ 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐏𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐎𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 & 𝐃𝐞𝐛𝐮𝐠𝐠𝐢𝐧𝐠
🎯 𝐇𝐢𝐠𝐡-𝐈𝐦𝐩𝐚𝐜𝐭 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫
✔ Build 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐛𝐚𝐜𝐤𝐞𝐧𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬 with 𝐒𝐩𝐫𝐢𝐧𝐠 𝐁𝐨𝐨𝐭
✔ Design & develop 𝐡𝐢𝐠𝐡-𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐑𝐄𝐒𝐓 𝐀𝐏𝐈𝐬
✔ 𝐌𝐢𝐜𝐫𝐨𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐚𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 (𝐝𝐞𝐬𝐢𝐠𝐧, 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧)
✔ Fix 𝐬𝐥𝐨𝐰 𝐨𝐫 𝐟𝐚𝐢𝐥𝐢𝐧𝐠 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 (𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐭𝐮𝐧𝐢𝐧𝐠 & 𝐝𝐞𝐛𝐮𝐠𝐠𝐢𝐧𝐠)
✔ 𝐔𝐩𝐠𝐫𝐚𝐝𝐞 or 𝐦𝐢𝐠𝐫𝐚𝐭𝐞 𝐥𝐞𝐠𝐚𝐜𝐲 𝐉𝐚𝐯𝐚 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬
✔ 𝐒𝐞𝐜𝐮𝐫𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 with 𝐒𝐩𝐫𝐢𝐧𝐠 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲
✔ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 for 𝐡𝐢𝐠𝐡-𝐥𝐨𝐚𝐝 𝐬𝐲𝐬𝐭𝐞𝐦𝐬
✔ 𝐓𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 (𝐓𝐰𝐢𝐥𝐢𝐨, 𝐞𝐱𝐭𝐞𝐫𝐧𝐚𝐥 𝐬𝐞𝐫𝐯𝐢𝐜𝐞𝐬)
🔥 𝐋𝐞𝐭’𝐬 𝐆𝐞𝐭 𝐒𝐭𝐫𝐚𝐢𝐠𝐡𝐭 𝐭𝐨 𝐑𝐞𝐬𝐮𝐥𝐭𝐬
If you need a developer who can quickly understand your system, identify problems, and deliver 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬—let’s talk.
Send me a message with your 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐝𝐞𝐭𝐚𝐢𝐥𝐬.
I’ll give you a 𝐜𝐥𝐞𝐚𝐫, 𝐡𝐨𝐧𝐞𝐬𝐭 𝐚𝐩𝐩𝐫𝐨𝐚𝐜𝐡 to solve it—𝐧𝐨 𝐟𝐥𝐮𝐟𝐟, just 𝐫𝐞𝐬𝐮𝐥𝐭𝐬.
Steps for completing your project
After purchasing the project, send requirements so Md. Azmol can start the project.
Delivery time starts when Md. Azmol receives requirements from you.
Md. Azmol works on your project following the steps below.
Revisions may occur after the delivery date.
Client Provides Requirements & Confirms Contract
The client selects a package, shares all mandatory project details, files, and documentation, and confirms the contract on the platform.
Project Kickoff & Analysis
Review the project, analyze the existing Spring Boot 2.7.x application, and identify potential breaking changes.