Java Developer

Role Overview

Key Responsibilities

Application Development

• Design and develop robust Java-based backend services and APIs for enterprise applications
• Build microservices architectures for cloud-native deployments on AWS
• Implement RESTful APIs and SOAP web services for enterprise integration
• Develop serverless applications using AWS Lambda and event-driven architectures
• Create data processing pipelines using AWS services
  

AWS Cloud Development

• Deploy and manage applications on AWS infrastructure (EC2, ECS, EKS)
• Implement serverless solutions using Lambda, API Gateway, and Step Functions
• Design and implement storage solutions using S3, EBS, and EFS
• Work with AWS databases (RDS, Aurora, DynamoDB)
• Implement messaging and queuing using SQS, SNS, and EventBridge
• Configure and manage application monitoring using CloudWatch
  

System Integration

• Design and implement integration solutions connecting disparate enterprise systems
• Build adapters and connectors for third-party APIs, legacy systems, and SaaS platforms
• Implement enterprise integration patterns (message routing, transformation, orchestration)
• Develop middleware solutions using AWS integration services
• Handle data synchronization, format transformations (XML, JSON, CSV), and protocol conversions
  

Database & Performance

• Design and optimize database schemas for AWS RDS (PostgreSQL, MySQL) and Aurora
• Write efficient SQL queries, stored procedures, and optimize database performance
• Implement caching strategies using AWS ElastiCache (Redis/Memcached)
• Configure database connection pooling and manage high-availability setups
• Troubleshoot database bottlenecks and resolve concurrency issues
  

Security & DevOps

• Implement AWS security best practices (IAM, Security Groups, KMS)
• Build CI/CD pipelines using AWS CodePipeline, CodeBuild, and CodeDeploy
• Configure application auto-scaling and load balancing
  

Quality & Best Practices

• Write clean, maintainable code following SOLID principles and design patterns
• Implement comprehensive unit and integration testing
• Participate in code reviews and technical design discussions
• Document technical specifications, API contracts, and AWS architecture diagrams
  

Required Skills & Experience

Core Java Expertise

• 3-5 years of hands-on Java development experience (Java 11+ preferred)
• Strong understanding of OOP concepts, data structures, and algorithms
• Experience with Spring Framework (Spring Boot, Spring MVC, Spring Data JPA)
• Proficiency in building RESTful and SOAP web services
  

AWS Cloud Experience (Must Have)

• 2+ years of hands-on AWS experience with production deployments
• Strong knowledge of core AWS services: EC2, S3, RDS, Lambda, API Gateway
• Experience with AWS networking: VPC, subnets, security groups, load balancers
• Understanding of AWS IAM, security best practices, and compliance
• Experience with AWS monitoring and logging (CloudWatch, X-Ray)
• Knowledge of AWS messaging services (SQS, SNS, EventBridge)
• Familiarity with AWS database services (RDS, Aurora, DynamoDB)
  

Integration Experience

• Experience with enterprise integration patterns and middleware solutions
• Knowledge of API design, development, and management
• Understanding of authentication/authorization mechanisms (OAuth2, JWT, SAML)
• Experience with data transformation and mapping frameworks
• Familiarity with integration protocols (HTTP/S, FTP/SFTP, SMTP, JMS)
  

Database Skills

• Strong SQL skills with relational databases (PostgreSQL, MySQL preferred)
• Experience with JPA/Hibernate ORM frameworks
• Understanding of database connection pooling and transaction management
• Knowledge of database migrations and versioning tools (Flyway/Liquibase)
  

Technical Stack

• Build tools: Maven or Gradle
• Version control: Git
• API documentation: Swagger/OpenAPI
• Testing frameworks: JUnit, Mockito, TestNG
• Containerization: Docker (experience with ECS/EKS is a plus)
  

Must have

• Proven usage of Agentic AI Tools in SDLC
  

Bonus Skills

• AWS Certifications (Developer)
• Experience with message brokers (Kafka, RabbitMQ, ActiveMQ, Amazon MSK)
• Kubernetes and container orchestration (EKS)
• AWS serverless application development (SAM, Serverless Framework)
• Experience with Apache Camel, MuleSoft, or other integration platforms
• CI/CD tools (Jenkins, GitLab CI, GitHub Actions, AWS CodePipeline)
• Knowledge React/Angular technologies for full-stack collaboration
• Experience with ERP/CRM systems integration
  

Desired Attributes

• Strong problem-solving and analytical thinking abilities
• Ability to design cloud-native architectures following AWS Well-Architected Framework
• Good communication skills for interacting with clients and cross-functional teams
• Self-motivated with ability to work independently and in team environments
• Attention to detail and commitment to delivering quality solutions
• Cost-conscious approach to AWS resource utilization
  

Education

• Bachelor's or Master's degree in Computer Science, Information Technology, or related field
• Equivalent practical experience will be considered
• AWS certifications are highly valued