Senior Java Spark Backend Architect

BuzzClan LLC; New York (NY); On-site; USD 140,000 - 210,000; Part time

Job summary

SmartRecruiters, Inc. is seeking a Senior Java Spark Developer to join our core engineering team in NYC. You will design, build, and scale robust backend systems using Java, Spring Boot, and Spark, while collaborating with frontend, product, and DevOps teams.

The role emphasizes high-performance pipelines, secure APIs, and mentoring junior engineers to maintain engineering excellence across a microservices architecture.

Qualifications

• 7+ years of professional software development experience primarily backend.
• Deep expertise in Java (Java 8/11/17+), including multithreading and design patterns.
• Spring Ecosystem: Spring Boot, Spring MVC, Spring Security, Spring Data.
• Big Data pipelines with Apache Spark (Core, SQL, Streaming).
• Relational DBs (PostgreSQL/MySQL) and NoSQL (MongoDB/Cassandra).
• Git, CI/CD (Jenkins/GitLab/GitHub Actions), Maven/Gradle, Docker.

Responsibilities

• System Architecture: design, develop, deploy scalable backend systems via Java/Spring Boot.
• Data Processing: build and optimize Spark-based pipelines for large data.
• Database Management: craft complex SQL/NoSQL queries and optimize performance.
• API Development: create secure, well-documented RESTful APIs.
• Mentorship & Code Quality: lead reviews, enforce best practices, mentor juniors.
• Cross-Functional Collaboration: coordinate with frontend, PMs, and DevOps.

Skills

Java Backend

Spring Boot

Apache Spark

SQL/NoSQL

RESTful APIs

Cloud Familiarity

Tools

Git

Jenkins

Docker

Kubernetes

Maven/Gradle

PostgreSQL

MongoDB

Job description

SmartRecruiters, Inc. is seeking a Senior Java Spark Developer to join our core engineering team in NYC. You will design, build, and scale robust backend systems using Java, Spring Boot, and Spark, while collaborating with frontend, product, and DevOps teams.

The role emphasizes high-performance pipelines, secure APIs, and mentoring junior engineers to maintain engineering excellence across a microservices architecture.