Caizin - Senior Java Developer - Microservices Architecture

Role Overview :

You will be a key contributor in shaping our engineering platform and setting high standards for code quality, scalability, and operational excellence.

Key Responsibilities :

- Design and develop scalable, robust microservices using Java (preferably Java 11+) and Spring Boot.

- Build multi-tenant platforms with strong tenant isolation and configurability.

- Apply Domain-Driven Design (DDD) principles to define bounded contexts and domain models.

- Lead efforts in platform engineering, creating reusable components, tools, and services for

internal teams.

- Develop event-driven systems using messaging solutions like Kafka, RabbitMQ, or AWS SQS.

- Drive the implementation and evolution of CI/CD pipelines and deployment automation.

- Champion observability using tools like ELK Stack, Datadog, Prometheus, etc., for logs,

metrics, and tracing.

- Work closely with DevOps, QA, and Product teams to deliver scalable and resilient software.

- Ensure high performance, security, and fault-tolerance across services and systems.

Must-Have Skills :

- Strong experience in building microservices architectures and RESTful APIs.

- Hands-on experience with Domain-Driven Design (DDD) and event-driven architecture.

- Proven experience in multi-tenant system design and implementation.

- Exposure to platform engineering or building internal developer platforms/tools.

- Proficient in CI/CD practices with tools like Jenkins, GitLab CI/CD, etc.

- Experience with Kubernetes and Docker for containerized deployments.

- Expertise in NoSQL databases like MongoDB or Cassandra.

- Familiar with messaging systems like Kafka, RabbitMQ, or AWS SQS.

- Good understanding of observability concepts and tools (ELK Stack, Datadog, Prometheus, etc.

- Experience with cloud platforms such as AWS, GCP, or Azure.

- Strong debugging and performance tuning skills in distributed systems.

Good to Have :

- Working knowledge of security best practices and SRE principles.

- Exposure to both SQL and NoSQL data modelling.

What Were Looking For :

- Strong problem-solving skills and ability to lead architectural discussions.

- A collaborative mindset and ability to mentor junior engineers.

- Passion for building platforms that scale with product and team growth.