Senior Java Backend Developer

Photon Interactive — United States · Posted ~2 hours ago

Senior Full-time

Skills

Java Spring Boot Microservices Apache Kafka Event-driven architecture Distributed systems RESTful APIs Real-time event processing High-volume data processing Cloud-native development REST Cloud-native

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Summary ✨ AI‑Generated

A senior Java backend engineering opportunity focused on designing and scaling mission-critical microservices and real-time event-processing systems. You will work with Spring Boot, Kafka, RESTful APIs, distributed systems, and cloud-native architectures to handle complex business logic and high-volume data streams. The role suits an experienced engineer who enjoys building scalable, resilient backend infrastructure.

Highlights

Build and scale mission-critical backend services using modern Java, microservices, Kafka, and event-driven architecture, with exposure to high-volume real-time data and distributed systems.

Description

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.