Spring Boot Specialist | 7+ Years of Experience | Microservices | Event-Driven Architecture
I’m a seasoned Java Backend Developer with over 7 years of hands-on experience in designing, developing, and deploying scalable RESTful APIs and microservices using Spring Boot and the Java ecosystem.
🛠️ I’ve architected and delivered robust enterprise applications used in banking, finance, and retail — handling everything from database modeling to CI/CD automation and cloud deployments on AWS and on-prem environments.
🔍 What I bring to the table:
💡 End-to-end API development with Spring Boot, JPA, and Hibernate
🔁 Kafka-based event-driven systems for high-volume processing
🧪 Quality-focused development with 90%+ unit test coverage, SonarQube, and Cypress
🚀 CI/CD pipelines with Jenkins, Docker, and Gradle
🛡️ Secure systems using JWT, OAuth2, and role-based access control
☁️ Experience deploying Microservices on AWS EC2, S3, Lambda, and Docker Compose setups
🧪 My tech solutions have powered:
✔️ Chat-based web platforms using WebSockets and STOMP with real-time messaging
✔️ E-commerce backend APIs including product catalog, cart, and checkout modules
✔️ NetSuite integrations for syncing orders, inventory, and CSV file processing
✔️ Tax calculation integration within e-commerce checkout flows
✔️ Advanced cart and discount logic, including promo codes and gift card redemption
✔️ Swagger/OpenAPI documentation for seamless API consumption
✔️ Multi-locale & translation-ready APIs using Google Cloud Translation API
✔️ Gift card system development: both Customer-to-Customer and Business-to-Customer models
✔️ Robust scheduling features for email delivery and status updates
Skills :
Java Spring Boot
Spring Batch
Spring Data JPA
REST API Development
Apache Kafka
Microservices Architecture
Event-Driven Architecture
AWS (EC2, S3, Lambda)
Docker & Docker Compose
Jenkins CI/CD
OAuth2 & JWT
PostgreSQL / MySQL / Oracle
MongoDB / DynamoDB
JUnit 5 & Mockito
SonarQube
Swagger & Postman
Liquibase / Flyway
GitLab / Bitbucket / Git
System Design
Clean Architecture
Java
Spring Boot
Spring Framework
Spring Batch
Spring Data MongoDB
Gradle
Spring MVC
Spring Security
Core Java
Spring Cloud
Microsoft Outlook Development
API Integration
Redis
Chandra Shekhar G.
Hyderabad, India
$15/hr
5.0
17 jobs
💼 AWS Certified Solutions Architect - Professional | 💼 AWS Certified Developer - Associate
🏆 Top-Rated | 🚀 Elevate Your Infrastructure | 🤖 AI & Chatbot Expert | 🔥 Expert in Java, Python, NodeJS | 🛡️ 24/7 Monitoring
As an experianced professional, I specialize in developing custom AI-powered chatbots for healthcare and veterinary clients, utilizing OpenAI and Retrieval-Augmented Generation (RAG) systems.
I possess AWS Certified Solution Architect Professional and Developer Associate Certifications and boast over 15 years of experience in the IT industry.
As an experienced professional, I have the capability to design, develop, and deliver solutions that cater to your specific business requirements.
🧠 Recent Highlight: Veterinary AI Chatbot (Real Client Implementation)
I recently built and deployed a custom AI-powered veterinary chatbot as a clinical copilot for a veterinary clinic.
It provides evidence-based recommendations for canine care, including diagnostics, allergies, medications, and environmental management—powered by OpenAI and a custom Retrieval-Augmented Generation (RAG) pipeline.
✅ Fully implemented for a client
🎯 Easily customizable for feline care, telemedicine, or other domains
🔗 Built on scalable architecture using Python, LangChain, OpenAI, React, SSE and AWS
If you're looking for an AI-driven assistant or knowledge engine—whether for healthcare, pets, customer support, or internal operations—I can design and deploy it with a strong foundation on cloud best practices.
Throughout my career, I have honed my skills in various areas. Specifically, I excel in serverless development utilizing Python, Node.js, Java, and Lambda functions. Additionally, I am adept at establishing resilient and scalable infrastructure on the Amazon Web Services (AWS) platform. Here is a list of skills and tasks that fall within my expertise:
🚀 Core Expertise:
✔️ AI/ML-Powered Applications
• Conversational AI using OpenAI / Azure OpenAI (GPT)
• RAG systems with LangChain or custom pipelines
• Integration with real-time data and knowledge bases
• Custom chatbots for clinical, enterprise, and pet care use cases
✔️ Serverless Development
• Python, Node.js, Java with AWS Lambda, API Gateway
• Efficient, scalable, and event-driven systems
✔️ AWS Infrastructure & DevOps
• EC2, RDS, Aurora, DynamoDB, S3, CloudFormation, Terraform
• CI/CD pipelines using AWS CodePipeline, CodeBuild, GitHub Actions
• CloudWatch for observability, alerts, and log insights
• IAM best practices for security and governance
✔️ Microservices Architectures
• Modular, container-based design using ECS, EKS, and Fargate
• Event-driven design with SNS, SQS, EventBridge
✔️ Database & Security Management
• RDS, DynamoDB, Aurora for transactional and NoSQL needs
• Identity, permissions, and resource policies with IAM
🔧 Tech Stack Highlights:
AWS | Python | Node.js | Java | OpenAI / Azure OpenAI | LangChain | Terraform | CloudFormation | Streamlit | React | DynamoDB | SAM | CI/CD
Why partner with me?
🏅 Top-Rated on Upwork
🧠 Deep experience in AI + Cloud solutions
🌐 Real-world client implementations
📈 Scalable, secure, and cost-effective delivery
💬 Clear communication, quick iterations, and collaborative problem solving
📽️ Demo videos and project walk-throughs available on request.
📩 Let’s discuss how we can bring AI and cloud automation into your business workflows!
Ready to create something intelligent and scalable? Let’s connect! 🚀
Java
Serverless Computing
AWS Lambda
Python
Django
Data Extraction
AI Chatbot
AWS Development
AI Development
Cloud Migration
DevOps
Amazon EC2
Microservice
Docker
Kubernetes
ETL Pipeline
MANISH K.
Hyderabad, India
$12/hr
5.0
1 jobs
I am a ServiceNow Administrator and Developer with over 7+ years of hands-on experience in designing, implementing, customizing, and supporting ServiceNow solutions for enterprise clients.
Throughout my career, I have worked across multiple ServiceNow modules, including:
✔ IT Service Management (ITSM)
✔ IT Operations Management (ITOM)
✔ Human Resources Service Delivery (HRSD)
✔ Service Catalog & Request Management
✔ Incident Management
✔ Problem Management
✔ Change Management
✔ Knowledge Management
✔ CMDB Management
✔ Discovery & Service Mapping
✔ Workflow & Flow Designer
✔ IntegrationHub Integrations
✔ Reports & Dashboards
✔ ACLs, Roles & User Administration
✔ Client Scripts, Business Rules, Script Includes & UI Policies
My expertise includes ServiceNow administration, platform development, workflow automation, catalog development, integrations, CMDB maintenance, system enhancements, troubleshooting, and platform upgrades. I have successfully delivered end-to-end ServiceNow solutions while ensuring best practices, scalability, and optimal user experience.
Key Skills:
* ServiceNow Administration
* ServiceNow Development
* ITSM Implementation
* ITOM & Discovery
* HRSD Solutions
* Flow Designer
* IntegrationHub
* REST/SOAP Integrations
* JavaScript
* CMDB Management
* Service Catalog Development
* Incident, Problem & Change Management
I am committed to delivering high-quality solutions, meeting deadlines, and helping organizations maximize the value of their ServiceNow investment.
Let’s connect and discuss how I can help with your ServiceNow requirements.
Regards
Manish
Java
Hibernate
ServiceNow
IT Service Management
Change Management
Business Rule
Scripting
Incident Management
ITIL
Technical Support
IT Consultation
Rakesh G.
Hyderabad, India
$15/hr
4.1
12 jobs
Hi, I’m Rakesh — a full-stack developer with over 9 years of experience building scalable web and mobile applications.
I specialize in taking projects from idea to launch, and I’ve helped startups and enterprise teams do just that across a range of industries—healthtech, fintech, and event management.
🔹 What I bring to your team:
✅ Expertise in Java, Spring Boot, Angular, Flutter, and AWS
✅ Proven track record of building end-to-end products with solid backend architecture and clean UI
✅ Familiarity with microservices, OAuth2, RESTful APIs, and cloud-native deployments
✅ Strong product instincts from working as Founder/CTO and Lead Developer on multiple apps
🔹 Notable Work:
🏆 Built BeeBloom, a health rewards app with 40K+ downloads and featured by Google AppScale
🔧 Led development of EventReply, a cross-platform event management tool (2023–Present)
🛠️ Architected Beadpay, a cryptocurrency payments solution with real-time transaction flow
If you’re looking for a reliable developer who can write clean, maintainable code and understand the bigger picture of product success, let’s talk.
Java
Spring Boot
JavaScript
Angular
Ionic Framework
Flutter
SwiftUI
AWS Development
PostgreSQL
MongoDB
Mobile App Development
Front-End Development
iOS Development
Full-Stack Development
API Development
Srinivas R.
Hyderabad, India
$25/hr
4.0
15 jobs
I'm Srinivas and I'm a seasoned Full Stack developer with a keen eye for detail and great coding skills. With the use of the most effective Front end tools and approaches,
🅵🆁🅾🅽🆃 🅴🅽🅳 🅻🅰🅽🅶🆄🅰🅶🅴🆂
✅ Angular JS, NgBootstrap, ChartsJS
✅ HTML5, CSS3, JavaScript, TypeScript
✅ Bootstrap, Material
✅ React Native
🅱🅰🅲🅺🅴🅽🅳 🅻🅰🅽🅶🆄🅰🅶🅴🆂
✅ Node JS, Express JS, Nest JS
✅ MongoDB, Mongoose
✅ Java, Servlets, JDBC, Hibernate,
✅ Spring Boot, Spring Cloud, Spring JPA
𝙈𝙮 𝘾𝙤𝙧𝙚 𝙅𝙖𝙫𝙖/𝙎𝙥𝙧𝙞𝙣𝙜 𝘽𝙤𝙤𝙩 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚:
💥 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Spring boot, Hibernate, Web Services, JPA, JMX Client, Spring MVC, Spring Rest, Spring data, Spring Gateway, etc
💥 𝐃𝐞𝐯𝐎𝐩𝐬: Kubernetes, Docker
💥 𝐃𝐚𝐭𝐚𝐁𝐚𝐬𝐞: SQL Server 2008, MySQL, Oracle
💥 𝐎𝐭𝐡𝐞𝐫 𝐓𝐨𝐨𝐥𝐬 & 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: SVN, GIT, PostMan, JMeter
💥 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 𝐌𝐨𝐝𝐮𝐥𝐞𝐬: Spring Security
💥 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: JUnit, Mockito
💥 Payment Gateways: Paytm Payment Gateway, RazorPay, Secure Pay,
💥 Maps Integration: Google Map, Mapbox
💥 Third-party Integrations: SendGrid API, Mandril Email API, TextLocal API, WhatsApp Business API
📞 Let's get connected via a call and discuss your project.
Have a project?
𝗧𝗲𝗹𝗹 𝗺𝗲 𝗮𝗯𝗼𝘂𝘁 𝗶𝘁
Upwork Invites are working properly, so I'm eager to get them from you!
Cheers,
Srinivas
Java
Spring Boot
Web Development
Node.js
React Native
Angular
MongoDB
MySQL
Mobile App Development
React
SQL
Database
Core Java
Ragipally A.
Hyderabad, India
$18/hr
5.0
2 jobs
Experienced Full-Stack Java Developer with 8 years of experience and a proven track record of designing and developing custom web applications using Java technologies and frameworks like Spring Boot, Spring MVC, GraphQL, Spring Web Flux, Spring AI, Spring Security, Hibernate, Hibernate Reactive, Spring Data JPA, Spring Security. Skilled in user interface design with client-side technologies like Angular, HTML, and CSS and adept at creating web services using REST. Proficient in Factory Design Patterns and experience with application servers like Apache Tomcat, and JBoss, cloud platforms like Azure, and version control tools like Git, GitLab, and Azure DevOps.
Java
Hibernate
Spring Boot
Microsoft SQL Server
Angular
Bootstrap
Spring Batch
Spring Data
CSS
HTML
Spring Security
GraphQL
Azure DevOps
RESTful API
Web Service
Reactive Programming
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