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BuzzClan LLC

Java Spark Developer

BuzzClan LLC New York, New York, United States

IT Services and IT Consulting · 501-1,000 employees

Sep 23
java Senior (5-10 yrs) Contractor United States
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About the role

Design, develop, and maintain scalable microservices-based backend systems using Java and Spring Boot. Architect and optimize large-scale distributed data processing pipelines using Apache Spark.

What they look for

Java Apache Spark Spring Boot Microservices SQL NoSQL RESTful APIs Multithreading Concurrency Memory Management Git CI/CD Docker Maven Gradle Angular

Requirements

Requires over 7 years of professional software development experience with deep expertise in Java and the Spring ecosystem. Candidates must have a proven track record in building production-grade data pipelines with Apache Spark and strong database management skills.

Full description

Job Description

Sr Java Spark Developer

Location: Fifth Avenue, NYC, NY 10175

Contract

Position Overview

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.

 

Key Responsibilities

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

 

Qualifications

Required Technical Skills & Qualifications

  • Experience: 7+ years of professional software development experience primarily focused on backend engineering.
  • Core Java: Deep expertise in Java (Java 8/11/17+), including multithreading, concurrency, memory management, and design patterns.
  • Frameworks: Extensive experience with Spring Ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Data).
  • Big Data Frameworks: Proven track record of building and tuning production-grade data pipelines using Apache Spark (Core, SQL, or Streaming).
  • Databases: Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions (e.g., MongoDB, Cassandra).
  • Tools & DevOps: Proficiency with Git, CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Maven/Gradle, and Docker.

Nice-to-Have Skills

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

Soft Skills

  • 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

Additional Information

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

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