Java Spark Developer at BuzzClan LLC | NY, US | Rezi

Java Spark Developer at BuzzClan LLC

Java Spark Developer

BuzzClan LLC · NY, US

Today

Java Spark Developer

BuzzClan LLC · NY, US

3 hours ago
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About the Role

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.

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.

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.
  • 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.
  • 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.

Skills

  • Java
  • Spring Boot
  • Apache Spark
  • SQL
  • NoSQL
  • RESTful APIs
  • Git
  • CI/CD
  • Maven
  • Gradle
  • Docker
  • Angular
  • AWS
  • GCP
  • Azure
  • Kubernetes

Location

  • Fifth Avenue, NYC, NY 10175

Work Type

  • Contract

Experience Level

  • Senior
  • 7+ years

Equal Opportunity

  • All your information will be kept confidential according to EEO guidelines.