What are the responsibilities and job description for the Java Backend Developer position at Photon?
We are seeking a highly skilled Java Backend Developer having 7 years of experience to design, develop, and scale mission-critical backend services. In this role, you will be responsible for building robust microservices and real-time event-processing systems that handle complex business logic and high-volume data streams. The ideal candidate thrives in a cloud-native environment and has a deep understanding of distributed systems and event-driven patterns.
Key Responsibilities
- Microservices Development: Design and implement scalable, high-performance microservices using Java and the Spring Boot ecosystem.
- Event-Driven Architecture: Architect and maintain event-driven systems utilizing Apache Kafka for seamless asynchronous communication and real-time event processing.
- API Design: Develop and document secure, versioned RESTful APIs to support internal services and external integrations.
- Business Logic Implementation: Translate complex functional requirements into efficient business rules and logic within the application layer.
- Cloud Infrastructure: Deploy and manage containerized applications on AWS EKS (Elastic Kubernetes Service), ensuring optimal resource utilization and high availability.
- System Integration: Integrate backend components with various AWS services to enhance scalability, storage, and monitoring capabilities.
- Quality & Performance: Write clean, maintainable, and well-tested code while performing regular performance tuning and troubleshooting of distributed systems.
Required Technical Skills
- Core Languages: Proficiency in Java (JDK 11 ).
- Frameworks: Extensive experience with Spring Boot (Spring Cloud, Spring Security, Spring Data).
- Messaging & Streaming: Hands-on experience with Apache Kafka, including producers, consumers, and Kafka Streams.
- Cloud & Orchestration: Proven experience with AWS services, specifically AWS EKS, EC2, S3, and IAM.
- Architecture: Strong understanding of Microservices architecture and Event-Driven Architecture (EDA).
- Web Services: Expert knowledge of REST API design principles and JSON/XML.
- Database & Logic: Experience managing event processing workflows and implementing complex business rules engines.
- DevOps Tools: Familiarity with Docker, Kubernetes, and CI/CD pipelines.
Preferred Qualifications
- Experience with SQL and NoSQL databases (e.g., PostgreSQL, MongoDB, or DynamoDB).
- Understanding of distributed tracing and monitoring tools (e.g., Prometheus, Grafana, or AWS CloudWatch).
- Knowledge of reactive programming or functional programming patterns in Java.
- Background in designing systems for financial services or high-frequency data environments.