Software Developer – High-Performance I/O & Storage Systems

Company: CGG SA
Apply for the Software Developer – High-Performance I/O & Storage Systems
Location: Crawley
Job Description:

Viridien is seeking a Software Developer – High‑Performance I/O & Storage Systems to design, build, and improve services that enable efficient data access and storage across distributed environments.

This role focuses on developing high‑performance backend services and APIs that integrate closely with performance‑critical applications, ensuring efficient data handling, scalability, and reliability across the full data path.

Responsibilities

  • Design and develop high-performance services for data access and storage.
  • Work with storage technologies, including object storage systems.
  • Optimize read and write paths to improve throughput and reduce latency.
  • Build and maintain APIs, including gRPC‑based services.
  • Develop backend services supporting distributed data access.
  • Analyse and improve performance across the full data path.
  • Identify and resolve bottlenecks in I/O, storage, and system interactions.
  • Contribute to containerized deployments and distributed architectures.
  • Participate in system design and architecture discussions.

Qualifications

Required:

  • Strong software development experience in languages such as C, C++, Go, or Python.
  • Proven experience building backend services, distributed systems, or performance‑critical components.
  • Understanding of how software interacts with storage systems, operating systems, and hardware.
  • Experience working with I/O‑intensive systems, storage APIs, or data services.
  • Experience analysing and optimising performance, including throughput and latency.
  • Experience designing and working with APIs such as gRPC.
  • Familiarity with distributed systems and microservices architectures.
  • Experience with containerisation technologies such as Docker or Kubernetes.
  • Strong problem‑solving and analytical skills.

Preferred:

  • Experience with object storage systems such as S3 or similar.
  • Familiarity with Linux systems programming or low-level performance tuning.
  • Experience in high‑performance or data‑intensive environments.
  • Experience providing technical or project leadership.

About the Team

You will join a team focused on building high‑performance data systems that support distributed computing and data‑intensive workloads.

We see things differently. Diversity fuels our innovation, we value the unique ways in which we differ, and we are committed to equal employment opportunities for all professionals.

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Posted: April 17th, 2026