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Anyscale

Staff Software Engineer, Ray Core

Location
San Francisco
Arrangement
Hybrid
Employment type
Full-time
Level
Staff
Posted
17 September 2026 (13 days ago)

Checked 11 days agoApplications go to the employer, never to RoleSprint

About this role

ABOUT ANYSCALE:

At Anyscale https://www.anyscale.com/, we're on a mission to democratize distributed computing and make it accessible to software developers of all skill levels. We’re commercializing Ray https://docs.ray.io/en/latest/, a popular open-source project that's creating an ecosystem of libraries for scalable machine learning. Companies like OpenAI https://thenewstack.io/how-ray-a-distributed-ai-framework-helps-power-chatgpt/, Uber https://www.uber.com/blog/horovod-ray/, Spotify https://engineering.atspotify.com/2023/02/unleashing-ml-innovation-at-spotify-with-ray/, Instacart https://www.youtube.com/watch?v=3t26ucTy0Rs&list=PLzTswPQNepXmLUiL4F_1VHrPcCz1OeILw&index=23&pp=iAQB, Cruise https://www.youtube.com/watch?v=gj0BqvfX_wI&list=PLzTswPQNepXmLUiL4F_1VHrPcCz1OeILw&index=46&pp=iAQB, and many more, have Ray in their tech stacks to accelerate the progress of AI applications out into the real world.

With Anyscale, we’re building the best place to run Ray, so that any developer or data scientist can scale an ML application from their laptop to the cluster without needing to be a distributed systems expert.

Proud to be backed by Andreessen Horowitz, NEA, and Addition https://www.wsj.com/articles/ai-startup-anyscale-adds-99-million-to-andressen-horowitz-led-funding-round-11661254200 with $250+ million raised to date.

WHAT YOU'LL DO

- Own a major technical area of Ray Core end to end, defining the roadmap, identifying the most important technical problems, and driving execution through production.

- Lead large, technically complex projects spanning multiple engineers, teams, and/or organizations.

- Set technical direction and make architectural decisions for distributed computing infrastructure used by demanding production workloads.

- Design, build, and evolve core distributed-systems primitives rather than simply integrating existing platforms or frameworks.

- Work on problems involving areas such as distributed execution, scheduling, resource management, fault tolerance, concurrency, networking, storage, or system performance.

- Stay hands-on with implementation and debugging in a systems-oriented codebase, while raising the technical bar for the engineers around you.

- Help shape the longer-term architecture and evolution of Ray Core as our workloads and scale continue to grow.

WHAT WE'RE LOOKING FOR

- 6+ years of software engineering experience, with a track record of increasing technical ownership.

- Experience leading substantial projects end to end, including defining the problem, creating a roadmap, making architectural decisions, driving implementation, and owning the outcome in production.

- Experience leading projects that are larger than a single-engineer effort, typically spanning multiple engineers and lasting multiple quarters.

- Deep experience with distributed systems and computer systems.

- Strong systems programming experience in languages such as C++, Rust, Java, or similar lower-level languages.

- Strong understanding of systems concepts such as multithreading/concurrency, distributed coordination, resource management, fault tolerance, performance, or networking.

- Experience building foundational systems such as databases, streaming systems, distributed runtimes, operating systems, schedulers, storage systems, Spark, Kafka, or similar infrastructure is highly relevant.

- A track record of mentoring engineers and raising the technical bar of the teams around you.

- Nice to have: Contributions to open-source infrastructure projects.

WHY ANYSCALE

- We're on a mission to make scalable computing effortless. Ray is the AI Compute Engine at the center of some of the world's most powerful AI platforms

- Our tech is in production at companies like OpenAI, Uber, Spotify, Instacart, and Cruise

- We're backed by Andreessen Horowitz, NEA, and Addition, with $250M+ raised to date

- Recent partnerships with Azure, CoreWeave, and Google Cloud are putting AI-native compute directly into enterprise environments

- Competitive salary and equity, plus health/dental/vision coverage (many plans up to 99% employer-covered)

- We offer flexible time off, paid parental leave, and mental health support

Anyscale Inc. is an Equal Opportunity Employer. Candidates are evaluated without regard to age, race, color, religion, sex, disability, national origin, sexual orientation, veteran status, or any other characteristic protected by federal or state law.

Work location

  • San Francisco

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About this listing

Published on Ashby under the board identifier Anyscale, which is the name the employer’s own job board carries. RoleSprint has not verified the company’s registered or trading name, so it is shown exactly as published rather than tidied up.

RoleSprint is not the employer and not a recruiter. Applications are made on the employer’s own site and never reach us; what RoleSprint does is help you decide whether a role is worth your time and prepare for it if it is.

Published 17 September 2026, last checked 11 days ago. A posting stops being advertised here 90 days after the employer published it, and one the employer takes down is marked closed rather than quietly removed.

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