Summary: Seeking a Senior Java Developer to design and implement scalable backend solutions, focusing on architecture, testing, and Dataflow/Apache Beam workloads. Highlights: 1. Implement and design scalable backend services using Java technologies 2. Improve system performance and scalability to protect user experience quality 3. Partner with clients and stakeholders to deliver business-aligned solutions We are hiring a Senior Java Developer to deliver high\-quality backend solutions in Java with a focus on scalability, performance, and maintainability. You will work with the team on architecture, testing, and Dataflow/Apache Beam workloads while partnering with clients; apply today. **Responsibilities** * Implement and design scalable backend services using Java technologies * Coordinate with team members to define solution architecture that meets business and technical requirements * Produce readable, maintainable code that follows best practices and coding standards * Improve system performance and scalability to protect user experience quality * Diagnose and fix complex defects through debugging and troubleshooting * Review code and provide actionable feedback to strengthen overall output * Partner with stakeholders to gather requirements and deliver business\-aligned solutions * Track industry trends and emerging technologies to bring fresh ideas to the team **Requirements** * Proven 3 years of practical work with Java (Core, Collections, StreamAPI, Concurrency) for building resilient backend systems * Strong command of JDK 17\+ and experience running builds with Maven or Gradle * Hands\-on background with Apache Beam and Dataflow, including DoFn, ParDo, and GroupByKey, plus deployment and monitoring of Dataflow jobs * Demonstrated strength in QA practices, including writing JUnit unit tests and performing detailed code reviews * Clear English communication skills (B2\+ upper\-intermediate or higher) with experience in client\-facing discussions and status updates **Nice to have** * Working knowledge of Google Cloud Platform (GCP), including Cloud Storage, Pub/Sub, IAM roles, and security best practices * Experience across SQL and NoSQL stores such as BigQuery, relational databases, and NoSQL databases for querying and managing data * Exposure to CI/CD automation with Jenkins for build and deployment pipelines * Familiarity with AVRO and Parquet as data serialization and storage formats * Knowledge of XML and XSD for validation and data modeling * Experience with Equifax GBP or comparable financial or credit\-related systems