Join NScale as a Senior Backend Engineer

Are you ready to build the backbone of next-gen AI systems and power cutting-edge technologies?

NScale is the hyperscaler engineered for AI. We are a leading provider of enterprise-grade GPU cloud infrastructure, specialising in high-performance computing solutions for LLM and MML workloads. Partnering with premier hardware providers like NVIDIA, AMD, and major OEMs, we deliver cutting-edge AI infrastructure across multiple global data centres.

We're on the hunt for aSenior Backend Engineerto architect, scale, and power the future of AI infrastructure. This role offers the opportunity to design and build high-performance systems that directly impact the deployment and evolution of cutting-edge AI technologies.

Why NScale?

At NScale, we thrive on a culture of relentless innovation, ownership, and accountability. Our team takes pride in driving excellence with urgency and builds trust through openness and transparency. As an NScaler, you’ll contribute to shaping the technology that powers the future—empowered to do your best work in an environment that inspires greatness.

About the Role

NScale is looking for aSenior Backend Engineerto help design, build, and maintain the services powering our inference and fine-tuning capabilities. Your work will directly impact how customers interact with and deploy language models. You will build against and keep up with the latest standards emerging from the AI space. You will contribute to both internal and externally facing APIs therefore, good API design is a critical area of focus.

What You’ll Be Doing

• Design and implement core backend software components.
• Providing OpenAPI specs to the wider team and assisting any integration efforts.
• Participate in conversations concerning technical direction and provider leadership to more junior members of the team.
• Analyse and improve efficiency, scalability, and stability of various system resources.
• Conduct design and code reviews to maintain high-quality standards.
• Create services, tools, and developer documentation.
• Develop testing frameworks to ensure robustness and fault-tolerance.
• Participate in an on-call rotation to address critical incidents as needed.
• Work closely with the product team to define technical requirements from high-level designs

About You

Must-Have Skills, Experience & Qualifications

• 5+ years of experience writing highly-performant production-quality code.
• Demonstrated experience in building large-scale, fault-tolerant, distributed systems such as storage, search, and computation.
• Expertise in programming with one or more of Golang, Rust or Typescript.
• Excellent understanding of high-throughput engineering concepts, including multi-threading, memory management, networking, storage, performance, and scale.
• Experience with containerising software using Docker.
• Experience deploying and operating software in the cloud.
• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, or a relevant technical field, or equivalent practical experience.

Nice to Have:

• Experience with orchestrating containerised software with tools like Kubernetes.
• Experience with ML frameworks like PyTorch and TensorFlow.
• Experience building applications leveraging LLMs using OpenAI API-compatible endpoints.
• Experience building SDKs and CLIs for consuming services
• Writing APIs using OpenAPI 3.0+ specifications

Please Note:We're currently workingremotely, but plan to transition to ahybridworking model in 2025 as we look to secure a modern office space in London.

In all we do, ourcore valuesguide us.

Relentless Innovation

At NScale, we constantly push the boundaries of innovation, embracing creative risks to shape the future. Our aim is to deliver products that not only meet but exceed today’s expectations, setting new standards for tomorrow.

Ownership and Accountability

Every NScaler is fully accountable for their work, driving it with excellence and urgency. We set high standards, ensuring that our contributions are not just good but exceptional.

Openness and Transparency

We believe trust and transparency are key to our success. We maintain open communication within our teams and with stakeholders, sharing both successes and challenges. Our open-source approach allows customers to explore our technology, building trust and ensuring our solutions are both innovative, secure, and reliable.

Customer-Centric Focus

Our customers are central to our mission, and we are committed to delivering impactful solutions that drive real-world success. We focus on deeply understanding their needs and challenges, striving to exceed expectations in both product quality and service.

Sustainability

We are dedicated to considering the long-term environmental and societal impacts of our technologies. By integrating sustainability into our operations and product development, we ensure that our innovations are both effective and responsible, contributing positively to the world around us.

Full-Speed Collaboration

Collaboration at NScale is fast, efficient, and respectful. We work together seamlessly, with clear communication and mutual respect, ensuring our shared goals are met with high standards and impactful outcomes.

Ready to Shape the Future of AI?

If you’re passionate about driving sales excellence and thrive in dynamic, fast-paced environments, we’d love to hear from you. We recognise that skills and experience can be gained in various ways, and we encourage you to apply for a role at our company, even if you feel your background might not perfectly align with the position.

Equal Opportunities Statement

At NScale, we are committed to fostering an inclusive, diverse, and equitable workplace. We believe that a variety of perspectives enriches our work environment, and we warmly welcome applications from individuals of all backgrounds, experiences, and perspectives. We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds.