Java Full Stack Developer

Key Responsibilities

• Design & Build: Develop clean, testable, and efficient Java (Java 11+/17) code for microservices and RESTful APIs.
• Cloud & Infra: Build, deploy, and operate services on AWS (ECS/EKS/Lambda, API Gateway/ALB, S3, RDS/DynamoDB, SQS/SNS, CloudWatch).
• CI/CD: Own build and deployment pipelines (GitLab CI/GitHub Actions/Jenkins), versioning, and artifact management.
• Quality: Write unit/integration tests (JUnit/Mockito/Testcontainers); maintain code quality via linters and code reviews.
• Observability: Implement logging, metrics, and tracing (CloudWatch, OpenTelemetry, Prometheus/Grafana, ELK).
• Security & Compliance: Apply secure coding, manage secrets (AWS Secrets Manager/SSM), and least-privilege IAM.
• Collaboration: Work closely with Product, QA, DevOps/SRE to deliver features end-to-end.

Must-Have Skills

• Programming: Java 11+ (core, collections, concurrency), OOP, design patterns, functional constructs, Streams.

• Frameworks: Spring Boot, Spring Web/MVC, Spring Data/JPA; familiarity with Hibernate.

• APIs & Protocols: REST, JSON; hands-on with API documentation (OpenAPI/Swagger).

• Datastores: RDBMS (PostgreSQL/MySQL) and at least one NoSQL (DynamoDB/Redis); SQL proficiency.

• AWS Essentials:

• Compute: ECS/EKS or Lambda

• Networking: VPC, subnets, SGs, IAM basics

• Integration: SQS/SNS, API Gateway/ALB

• Storage/DB: S3, RDS or DynamoDB

• Ops: CloudWatch/CloudTrail

• Build & CI/CD: Maven/Gradle; pipelines in GitLab CI/GitHub Actions or Jenkins.

• Containers: Docker fundamentals; familiarity with containerizing Java apps.

• Testing: JUnit, Mockito; understanding of test pyramid and code coverage.

• Version Control: Git workflows (feature branches, PRs/MRs, trunk or GitFlow)

Good-to-Have (Preferred)

• Kubernetes (EKS), ECS
• Infrastructure as Code: Terraform or AWS CDK.
• Caching: Redis/ElastiCache and cache-aside patterns

Qualifications

• Bachelor’s in computer science or related field (or equivalent practical experience).
• 2–5 years of professional experience building backend services with Java and AWS.
• Demonstrated ownership of features from design to production support.