Java Backend Developer

Title: Java Backend Developer

Work Location with ZIP: Sunnyvale-CA- 94085 - Hybrid (3 Days onsite a week)

Max Hourly Pay Rate to the candidate?: $50-55/hr W2

Is Skype/WebEx interview, OK?: Yes

Chance to be perm?: Yes

Technical Hiring Criteria (Must Haves)

• Top 3 Required skills: Advanced Java, Redis, Apache Flink, Cassandra, Docker, Kubernetes

Job Description:-

We are seeking a highly skilled Backend Software Engineer to design, develop, and maintain scalable,

high-performance backend services and distributed systems.

The ideal candidate will have strong expertise in Java-based microservices architecture, real-time data processing, distributed databases, containerization technologies, and cloud-native application development.

The candidate will play a critical role in building resilient backend platforms capable of processing large-scale data streams while ensuring reliability, scalability, and performance.

Key Responsibilities

• Design and develop scalable backend applications using Advanced Java.
• Build and optimize microservices-based architectures and RESTful APIs.
• Develop and maintain real-time data streaming and event-driven solutions using Apache Kafka and Apache Flink.
• Design efficient data storage and retrieval mechanisms using Cassandra, Redis, and SQL databases.
• Containerize applications using Docker and deploy/manage workloads on Kubernetes.
• Collaborate with cross-functional teams including Product Managers, Architects, DevOps, and QA engineers.
• Implement performance tuning, monitoring, logging, and observability practices.
• Ensure application reliability, scalability, and security following engineering best practices.
• Participate in code reviews, architecture discussions, and technical design sessions.
• Troubleshoot production issues and provide timely resolutions.

Required Skills

Core Technologies

• Advanced Java (Java 11/17 preferred)
• Spring Boot / Microservices Architecture
• REST APIs and Distributed Systems

Data & Streaming

• Apache Kafka
• Apache Flink
• SQL (MySQL, PostgreSQL, or equivalent)

Databases

• Cassandra
• Redis

Containerization & Orchestration

• Docker
• Kubernetes

Additional Competencies

• Data Structures and Algorithms
• System Design and Scalability
• Performance Optimization
• CI/CD Practices
• Git and Version Control

Nice to Have

• Apache Spark
• AWS (EC2, EKS, ECS, S3, RDS, Lambda or related services)
• Infrastructure as Code (Terraform/CloudFormation)
• Monitoring tools such as Prometheus, Grafana, ELK Stack
• Experience with large-scale distributed data platforms

Education

• Bachelor''s or master''s degree in computer science, Information Technology, Engineering, or a related field.

Preferred Experience

• Experience building enterprise-scale backend platforms.
• Hands-on experience with cloud-native and containerized environments.
• Strong understanding of event-driven architectures and distributed computing.
• Experience handling high-volume transactional and streaming workloads.
• Exposure to agile development methodologies and DevOps practices.