Principal Flight Software Engineer providing technical leadership for Flight Software at Firefly Aerospace. Responsible for architecture, design decisions, and system - level integration across spacecraft programs.
About the role
- Software Developer at Viridien designing and building high-performance I/O and storage systems for efficient data access. Focused on backend services and APIs, working with modern technologies.
Responsibilities
- 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.
- 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 containerised deployments and distributed architectures.
- Participate in system design and architecture discussions.
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.
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
Job title
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