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

CGG

About The Position

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.

Requirements

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.

Nice To Haves

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.

Responsibilities

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

Benefits

Competitive salary commensurate with experience
Highly attractive bonus scheme
Initial 22 days annual leave with future increases, complemented by a flexible buying and selling holiday program
Company pension with generous employer contribution
Wellbeing Unmind app – puts you in control of your mental health
A flexible benefits platform with numerous discount schemes - gym membership, restaurants, cinema tickets, and much more!
Regular social club events, spontaneous reward events throughout the year
Cycle purchase scheme
Flexible Private Medical & Dental care programmes
Sponsorship of visas/comprehensive relocation packages
Bank Holiday Swap - our holiday swap program allows you to change it for another day of your choice!
Relaxed dress code policy
Learning and Development At Viridien, we foster a culture of continuous learning and provide tailored training programs through our Learning Hub, designed to enhance technical, commercial, and personal growth.
We Care About The Environment We encourage and actively support a strong sense of community, through volunteering and various company initiatives, as well as a strong company commitment to protecting our environment through sustainable solutions, energy saving and waste reduction enterprises.