You will get a complete modernized application

Project details
You will get a modern application from your legacy version which is cloud savvy. This will leverage your application in your business space so that it can meet new requirements without re-writing the application. We can achieve this migration process by embracing the five golden rules of application modernization. The legacy application is not bad. They are working as expected and generating revenues for years. But, it lacks the adaptability for the new technical challenges in an intuitive way. This is something achieved with this migration process. However, few coding effort is expected in the migration journey which is obvious.
Programming Languages
Python, Java, GoCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$500
|
Standard
$2,000
|
Advanced
$4,000
|
|---|---|---|---|
| Delivery Time | 5 days | 15 days | 60 days |
Number of Revisions | 2 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
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RK
Raya K.
Oct 8, 2024
Senior Full Stack Java Developer Needed
MM
MANOJ M.
Jun 11, 2024
Sr. Java Developer
RL
Ram L.
Jun 9, 2024
Java expert who can write!
DW
Dan W.
Feb 16, 2024
Java Developers, Provide feedback on a new AI-enabled extension for IntelliJ
Unni did excellent work! Trustworthy and capable. Great communication.
VO
Val O.
Feb 7, 2024
2 Hr Consultation for Experienced Backend Developer
Demonstrated thorough understanding of backend development through his architecture proposal.
About Unni
Senior Java Backend Engineer | Fullstack & Performance Tuning
88%
Job Success
Bangalore, India - 5:50 am local time
⭐⭐⭐ "I'm writing to express my deep gratitude for Unni's remarkable contribution. He demonstrated exceptional ability managing a complex integration task that had previously stymied five other individuals." ⭐⭐⭐
---
## Senior Java Backend Engineer | Fullstack & Performance Tuning
**👑 24 years** of professional application development experience
**✅ 150+** Jobs completed
**✅ 150+** 5-star reviews
**✅ 3000+** Hours delivered
---
### Trusted by High-Profile Clients
| FirstTennessee (Fortune 500) | Amex (Fortune 500) | EDB Norway | ICICI Bank |
---
⭐⭐ What I Do Best (My Core Focus)
| Area | What that means for you |
|------|------------------------|
| 👉 Java Backend | 20+ years. Spring Boot, microservices, REST APIs |
| 👉 Performance Tuning | JVM optimization, query tuning, caching |
| 👉 Complex Integrations | WebSocket, WebRTC, banking APIs |
| 👉 Fullstack (when needed) | JavaScript, HTML5, basic React |
| 👉 Cloud & Containers | Docker, Kubernetes, AWS (Lambda, DynamoDB, Amplify) |
| 👉 Legacy Modernization | Moving old Java to modern Spring Boot |
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⭐⭐ Technologies I Use Daily
⭐Core:⭐ Java (8/11/17), Spring Boot, Spring Framework, REST APIs, Microservices, JPA/Hibernate
⭐Backend tools:⭐ Docker, Kubernetes, AWS (Lambda, DynamoDB, Amplify, AppSync), GraphQL, CI/CD
⭐Fullstack:⭐ JavaScript, React (basic), HTML5
⭐Specialized:⭐ WebSocket, WebRTC, Quarkus, Micronaut (learning/exploring)
---
### What I Am NOT Looking For
❌ Basic CRUD or simple bug fixes
❌ Android development (not my focus)
❌ Bitcoin/Blockchain (past exploration, not current)
❌ GIS or Graph algorithms (not my core)
---
### How I Work (Remote-Ready)
- ✅ Daily async updates (Slack, Upwork)
- ✅ Weekly sync call if needed
- ✅ 4+ hours overlap with US/EU time zones
- ✅ First response within 4 working hours
- ✅ I go the extra mile to meet customer expectations
---
### My Rate
| Project type | Rate |
|--------------|------|
| Standard backend work | **$60–65/hr** |
| Complex integrations / Performance tuning | **$70–75/hr** |
| Fixed-price (clear scope) | Negotiated |
---
### I am looking for long-term relationships with US/EU clients who need senior backend expertise — not someone who says "yes" to everything.
**Invite me. I'll respond within hours with specific questions about your project.**
Steps for completing your project
After purchasing the project, send requirements so Unni can start the project.
Delivery time starts when Unni receives requirements from you.
Unni works on your project following the steps below.
Revisions may occur after the delivery date.
Understanding the project
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