DDN

Staff Replication Development Engineer

DDN
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1 month ago
Remote, United StatesStaff+

Responsibilities

  • Design and develop multi-threaded asynchronous replication systems with parallel streaming capabilities.
  • Build object-level delta replication with checkpointing and resume functionality.
  • Develop bucket- and share-level replication controls and replication engines.
  • Implement secure data transfer using TLS 1.3 with mutual authentication.
  • Build checksum validation and verification pipelines to ensure end-to-end data integrity.
  • Design manual failover workflows for disaster recovery scenarios.
  • Build and maintain APIs for replication configuration, control, and automation.
  • Develop metadata tracking and change detection systems for efficient replication.
  • Implement RPO visibility, alerting, and operational insights for replication status.
  • Contribute to monitoring dashboards focused on replication health and performance.
  • Design systems for high availability, fault tolerance, and scalability.
  • Partner with QA teams on performance, resiliency, and scale validation.
  • Collaborate with backend, security, and platform teams on end-to-end replication workflows.
  • Participate in debugging, production issue resolution, and continuous reliability improvement.
  • Provide technical leadership, architectural guidance, and mentorship to the engineering team.

Requirements

  • 8+ years of experience in distributed systems, storage systems, or backend software engineering.
  • Strong programming skills in one or more of C++, Go, Java, or Rust.
  • Experience designing and building data replication systems, data pipelines, or distributed data services.
  • Deep understanding of consistency, availability, scalability, and fault tolerance in distributed systems.
  • Strong expertise in multi-threading, concurrency, and parallel processing.
  • Knowledge of TCP/IP, HTTP/HTTPS, TLS, and secure communication.
  • Experience implementing checksums, validation, and consistency checks for data integrity.
  • Experience designing and building REST APIs and service-based architectures.
  • Familiarity with checkpointing, failure recovery, and retry mechanisms in distributed systems.
  • Basic understanding of metrics, logging, and alerting.
  • Strong debugging, problem-solving, and system design skills.
  • Preferred experience with asynchronous replication, disaster recovery, or backup systems.
  • Preferred familiarity with object storage, large-scale data storage, delta encoding, change data capture, or incremental data synchronization.
  • Preferred experience building high-throughput, low-latency data movement systems and enterprise-scale data platforms.
  • Preferred exposure to mutual TLS, encryption, authentication, performance optimization, and large-scale system tuning.

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About DDN

1,001-5,000 employees
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