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Diverse Lynx

Java Backend Developer

Diverse Lynx, Paterson, New Jersey, us, 07544

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Job Summary:

We are seeking a highly skilled

Java Backend Developer

with strong experience in

AWS cloud services

and

Apache Spark

for big data processing. The ideal candidate will design, build, and maintain scalable and high-performance backend systems that process large volumes of data, leveraging cloud-native tools and big data frameworks.

Key Responsibilities: Develop and maintain backend applications using

Java (Spring Boot / Java 8+) . Design and implement

data pipelines

and ETL jobs using

Apache Spark

(preferably Spark with Java or Scala). Work with

AWS services

such as

EC2, S3, Lambda, EMR, Glue, Step Functions , and

RDS . Design RESTful APIs and integrate with internal and third-party systems. Optimize application performance, scalability, and reliability. Collaborate with data engineers, frontend developers, DevOps, and product teams to deliver end-to-end solutions. Write clean, maintainable, and well-documented code with proper unit and integration testing. Troubleshoot production issues and perform root cause analysis Required Skills & Qualifications:

Strong proficiency in Java

(preferably Java 8 or above). Experience with

Spring / Spring Boot

for REST APIs and microservices. Hands-on experience with

Apache Spark

for big data processing (batch or streaming). Solid understanding of

AWS cloud ecosystem

and hands-on experience with key services (e.g., EMR, Lambda, S3, Glue). Experience with

data processing pipelines , ETL development, and working with large datasets. Familiarity with

SQL / NoSQL

databases (e.g., PostgreSQL, DynamoDB, Cassandra). Strong knowledge of software engineering principles, data structures, and algorithms. Experience with

CI/CD tools

(e.g., Jenkins, GitHub Actions, AWS CodePipeline). Familiarity with containerization (Docker) and orchestration tools (Kubernetes/ECS) is a plus.

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.