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)

Valuable-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 year

📌 Java Full Stack Developer (Bengaluru)
🏢 London Stock Exchange Group (LSEG)
📍 Bengaluru