Staff Software Engineer - Storage

United States Digital Space LLC; Cambridge; Hybrid; GBP 97,300 - 131,700; Full time

Benefits offered by this job

Team development

Creativity and innovation

Impact and influence

Deliver on your promises

Partnership focus

Teamwork and communication

Job summary

United States Digital Space LLC in Cambridge, United Kingdom is seeking Staff Software Engineers with deep expertise in high-performance storage software. You will work on development platforms, FPGAs, and early silicon, collaborating across teams and open-source projects to optimize storage pipelines and system performance.

Key requirements include top-level C/C++ skills, understanding of multicore OS concepts, and experience with PCIe/CXL, block/Object storage, and file systems.

Qualifications

• Highly proficient in C and C++.
• Deep understanding of OS concepts: processes, threads, locks, memory.
• Experience with storage areas: PCIe, CXL, block/object/file systems (NFS).
• Expertise in debugging and optimizing performance of complex systems.
• Experience with modern software development practices: Git, Agile, code reviews.

Responsibilities

• Identify bottlenecks and missing features with internal and external teams.
• Influence architecture by understanding storage requirements.
• Enable and optimize storage software on company servers.
• Improve code quality through testing and CI/CD automation.
• Contribute to open-source projects: develop, upstream, maintain code.
• Mentor colleagues and grow the team's capabilities.

Skills

C and C++

OS concepts

Multicore architectures

Storage architectures

Debugging & performance

Git & Agile

Job description

Job ID 2026-17677 Date posted Jul. 23, 2026 Location Cambridge, United Kingdom Category Software EngineeringWe are seeking accomplished Staff Software Engineers with a deep knowledge of developing and testing high-performance storage software! The successful candidates will have the opportunity to work with innovative technology (often before public release) on development platforms, software models, FPGAs, and early silicon.

Responsibilities:

• Work with the company internal teams and external partners to identify bottlenecks and missing features,
• Understand storage related requirements, collaborate with other architects/engineers to influence the company technology,
• Enable and optimise related storage software on the company servers,
• Improve code quality through testing, working with the QA team to automate CI/CD pipelines,
• Chip in to open-source projects by developing, upstreaming, and maintaining code,
• Mentor others and grow the team's capabilities.

Required Skills and Experience :

• Highly proficient in C and C++,
• Strong grasp of multicore processor architectures and deep understanding of OS concepts such as processes, threads, locks, virtual memory and how they relate to application performance.
• Experience in at least one of the following areas: PCIe, CXL, block storage, object storage, and file systems (especially NFS),
• Expertise in debugging and optimising sophisticated software systems for performance,
• Experience with modern software development (git, Agile, reviews).

“Nice To Have” Skills and Experience :

• An understanding of I/O and networking and their impact on server-side application performance,
• Experience with kernel bypass (RDMA, DPDK, SPDK),
• Experience with cloud native technologies such as Kubernetes, CSI, Ansible,
• Familiarity with PyTorch based training applications.

Please note: If skilled worker sponsorship is required, the company will meet costs associated with sponsorship for the employer only. All fees associated with the individual’s application e.g. visa application fee and Immigration Health Surcharge, will be the responsibility of the successful candidate.

In Return:

We are proud to have a set of behaviors that reflect our culture and guide our decisions, defining how we work together to surpass ordinary and shape outstanding!

• Partner and customer focus
• Teamwork and communication
• Creativity and innovation
• Team and personal development
• Impact and influence
• Deliver on your promises

#LI-KD1

Accommodations at the company

At the company, we want to build extraordinary teams. If you need an adjustment or an accommodation during the recruitment process, please email [e-mail]. To note, by sending us the requested information, you consent to its use by the company to arrange for appropriate accommodations. All accommodation or adjustment requests will be treated with confidentiality, and information concerning these requests will only be disclosed as necessary to provide the accommodation. Although this is not an exhaustive list, examples of support include breaks between interviews, having documents read aloud, or office accessibility. Please email us about anything we can do to accommodate you during the recruitment process.

Hybrid Working at the company

the company’s approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value of flexibility. Within that framework, we empower groups/teams to determine their own hybrid working patterns, depending on the work and the team’s needs. Details of what this means for each role will be shared upon application. In some cases, the flexibility we can offer is limited by local legal, regulatory, tax, or other considerations, and where this is the case, we will collaborate with you to find the best solution. Please talk to us to find out more about what this could look like for you.

Equal Opportunities at the company

the company is an equal opportunity employer, committed to providing an environment of mutual respect where equal opportunities are available to all applicants and colleagues. We are a diverse organization of dedicated and innovative individuals, and don’t discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Salary Range:

£97,300 * £131,700

per year