Need Locals -- Java Developer in Sunnyvale, CA

Position: Java Backend Developer

Location: Sunnyvale, CA. Hybrid 
Need Locals (EAD, TN or USC)

About the Role

We are looking for a high-impact Java Backend Developer who can design, build, and optimize distributed backend services.
The role includes implementing clean, scalable microservices, building event-driven components (Kafka), improving system performance, and contributing to architecture discussions such as API design, scalability, and reliability.

The ideal candidate has hands-on experience with Java, Spring ecosystem, distributed systems, relational/NoSQL databases, and modern DevOps practices.

Key Responsibilities

Backend Development

• Develop and maintain backend services using Java (8+), Spring Boot, and Spring Cloud.
• Implement RESTful APIs following clean architecture and design patterns (e.g., controller → service → repository).
• Optimize services for performance, scalability, fault tolerance, and maintainability.

Distributed Systems & Event-Driven Architecture

• Work with Kafka to build producers, consumers, and streaming pipelines.
• Handle partitions, offsets, consumer groups, and event ordering/error-handling strategies.
• Contribute to microservices architecture designs, including systems like microblogging/Twitter-style services.

Database & Storage

• Design schemas and write optimized SQL queries for PostgreSQL/MySQL.
• Experience with NoSQL stores (MongoDB, Redis, Cassandra preferred).
• Perform database indexing, caching strategies, and query optimization.

Coding & Problem Solving

• Solve algorithmic problems with time/space complexity considerations (arrays, intervals, recursion, DP, permutations, sliding window).
• Write clean, testable, modular code following SOLID principles.

System Design

• Participate in architecture discussions: high availability, load balancing, caching, partitioning, distributed locks.
• Ability to design systems such as message-processing platforms, feed systems, throttling rate limiters, etc.

DevOps, CI/CD & Cloud

• Work with containerization (Docker) and orchestration (Kubernetes).
• Implement CI/CD pipelines and automated testing.
• Deploy, monitor, and troubleshoot services in cloud environments (AWS/Azure/Google Cloud Platform).

Required Skills & Experience

• 3–8 years of backend development experience.
• Strong proficiency in Java, Spring Boot, Spring MVC, Spring Data, Spring Security.
• Deep understanding of Kafka and event-driven architectures.
• Experience with REST APIs, JSON serialization, API documentation (Swagger/OpenAPI).
• Strong SQL fundamentals; familiarity with relational/NoSQL databases.
• Solid understanding of algorithms, data structures, and multithreading/concurrency.
• Experience with microservices, distributed system patterns, and cloud environments.
• Familiarity with Git, CI/CD pipelines, containers, monitoring tools.