Java Spark Developer

BuzzClan LLC • New York, NY

8d • Onsite

About The Position

We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and maintaining high-performance, scalable, and secure backend systems. The ideal candidate will have over 7 years of enterprise Java development experience, a strong background in big data processing using Apache Spark, and a passion for engineering excellence. While this is primarily a backend role, knowledge of Angular UI is a plus.

Requirements

• 7+ years of professional software development experience primarily focused on backend engineering.
• Deep expertise in Java (Java 8/11/17+), including multithreading, concurrency, memory management, and design patterns.
• Extensive experience with Spring Ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Data).
• Proven track record of building and tuning production-grade data pipelines using Apache Spark (Core, SQL, or Streaming).
• Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions (e.g., MongoDB, Cassandra).
• Proficiency with Git, CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Maven/Gradle, and Docker.
• Strong analytical, problem-solving, and debugging skills.
• Excellent communication and collaboration skills to work effectively in an agile environment.
• Proven ability to take ownership of projects from concept to deployment

Nice To Haves

• Familiarity or hands-on experience with Angular (TypeScript, RxJS, state management), enabling smooth full-stack collaboration.
• Experience deploying and managing applications on cloud environments (AWS, GCP, or Azure).
• Knowledge of Kubernetes

Responsibilities

• Design, develop, and deploy robust, scalable, and microservices-based backend systems using Java and Spring Boot.
• Architect and optimize large-scale, distributed data processing pipelines using Apache Spark.
• Write complex SQL/NoSQL queries and optimize database performance for high-throughput applications.
• Design and implement secure, well-documented RESTful APIs.
• Lead code reviews, enforce best practices, and mentor junior and mid-level developers.
• Partner closely with frontend teams, product managers, and DevOps to deliver seamless end-to-end features.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed