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

Viridien; Crawley; On-site; GBP 45,000 - 60,000; Full time

Benefits offered by this job

Competitive salary

Highly attractive bonus scheme

22 days annual leave + flexible program

Generous pension contribution

Flexible Private Medical & Dental care

Cycle purchase scheme

Learning Hub programs

Job summary

Viridien in Crawley seeks a Software Developer to design and develop high-performance services for data storage and access. The ideal candidate has strong experience in C, C++, Go, or Python, and a proven ability in building backend services and optimizing performance for I/O-intensive systems. Benefits include competitive salary, flexible leave, and comprehensive health programs, fostering a culture of continuous learning and development within a diverse environment.

Qualifications

• Strong software development experience in C, C++, Go, or Python.
• Proven experience building backend services and performance-critical components.
• Experience with I/O-intensive systems and performance tuning.

Responsibilities

• Design and develop high-performance services for data access and storage.
• Optimize read and write paths to improve throughput and reduce latency.
• Contribute to containerised deployments and distributed architectures.

Skills

C

C++

Go

Python

APIs

containerisation technologies

Tools

Docker

Kubernetes

Job description

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

Viridien is an advanced technology, digital and Earth data company that pushes the boundaries of science for a more prosperous and sustainable future. The 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 distributed environments.

About The Team

You will join a team focused on building high-performance data systems that support distributed computing and data-intensive workloads. The team works across backend services, storage systems, and client integration layers to deliver scalable and efficient data access solutions.

Key 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.
• Analyze and improve performance across the full data path.
• Identify and resolve bottlenecks in I/O, storage, and system interactions.
• Contribute to containerised deployments and distributed architectures.
• Participate in system design and architecture discussions.

Qualifications

• 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.

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 & 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.

Equal Employment Opportunity

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.