Platform Engineer for Scalable AI Systems

scaleai; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Scale AI is seeking a Senior Platform Engineer to design and build foundational data platforms and the cloud infrastructure that powersScale's core AI tools. You will architect scalable systems and help redefine how engineers develop, test, and deploy software at Scale.

Collaboration with cross‑functional teams is essential as you drive feature delivery, lead innovations in AI data pipelines (RAG-style retrieval), and operate long‑running orchestration platforms such as Temporal on public clouds.

Qualifications

• 5+ years of full-time engineering experience, post-graduation, with specialties in back-end systems.
• Excitement to work with AI technologies and build agentic experiences.
• Extensive experience in software development and a deep understanding of highly scalable and reliable distributed systems hosted on public cloud platforms.
• Experience building document retrieval and understanding systems, such as RAG, to accurately ingest large-scale client knowledge into client agents and applications.
• A strong track record of independently owning and delivering successful engineering projects, including the ability to collaborate with and inspire others to engage with the problem space.
• Excellent communication and collaboration skills, and the ability to translate complex technical concepts to non-technical stakeholders.
• Experience working fluently with standard containerization and deployment technologies like Kubernetes, Terraform, Docker, etc.
• Experience with long-running agent/code orchestration platforms, such as Temporal.
• Mastery of storing state with structured databases, including Postgres.
• Strong knowledge of software engineering best practices and CI/CD tooling (CircleCI, GHA).

Responsibilities

• Drive the design and implementation of our foundational platforms and systems that will become the baseline for Scale’s capabilities.
• Collaborate with cross-functional teams to define and understand requirements, design, and deliver new features within a highly iterative and innovative software development lifecycle.
• Work within the team to lead the market in your team’s AI domain through experimentation with the latest techniques and technologies in this area.
• Proactively identify opportunities for and drive improvements to current programming practices, including process enhancements and tool upgrades.
• Present technical information to teams and stakeholders, providing guidance and insights on development processes and technologies.

Skills

Back-end systems

Distributed systems

AI technologies

Cloud platforms

RAG systems

Tools

Kubernetes

Terraform

Docker

Temporal

Postgres

CircleCI

GitHub Actions

Databricks

Snowflake

Zanzibar / Authz

Job description

Scale AI is seeking a Senior Platform Engineer to design and build foundational data platforms and the cloud infrastructure that powersScale's core AI tools. You will architect scalable systems and help redefine how engineers develop, test, and deploy software at Scale.

Collaboration with cross‑functional teams is essential as you drive feature delivery, lead innovations in AI data pipelines (RAG-style retrieval), and operate long‑running orchestration platforms such as Temporal on public clouds.