Java Backend Developer

Job SummaryWe 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 ResponsibilitiesDevelop 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 analysisRequired Skills & QualificationsStrong 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. #J-18808-Ljbffr

Created: 2025-10-06