Staff Engineer

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Staff Engineer in USA

Crusoe
Full time
Email

USA
10/29/2026
Report

San Francisco, CA

Responsibilities

Own the end-to-end design and architecture of the Managed Data Transfer service, including the job API, scheduler, transfer workers, storage integration, and network paths.
Evaluate, refactor, extend, or replace the production prototype and migrate existing customers without service disruption.
Define data-plane strategies for sharding, concurrency, straggler handling, checksum verification, and line-rate transfer benchmarking.
Own interfaces and schema contracts with Storage, Network, Kubernetes, IAM, Console, Billing, and Monitoring teams.
Design a pluggable transfer engine and regional worker pools for new cloud and Crusoe-internal transfers.
Evaluate open-source and vendor solutions before deciding what to build internally.
Set standards for reliability, observability, on-call, and operational excellence.
Partner with Product on scope, pricing trade-offs, milestones, and edge cases.
Lead architecture reviews, provide RFC feedback, and mentor engineers through direct coaching.

Requirements

8+ years of experience shipping production software, including leading a service from prototype to general availability.
Hands-on experience designing and operating data-intensive distributed systems at scale.
Understanding of object storage semantics, file systems, TCP throughput, and transfer performance profiling.
Experience evolving live systems while minimizing risk to existing customers.
Experience defining API boundaries and schema contracts with partner teams and negotiating agreements across teams.
Experience with customer-facing on-call and building maintainable, observable, predictable systems.
Proficiency in Go or another modern compiled language, with Go strongly preferred.
Ability to communicate architectural decisions effectively to engineers, product managers, and engineering managers.
Bonus: experience with bulk data transfer systems such as AWS DataSync, Google Storage Transfer Service, or rclone at petabyte scale.
Bonus: familiarity with cloud networking and interconnects such as AWS Direct Connect or GCP Interconnect.
Bonus: experience with cross-account cloud IAM and threat modeling for services handling customer credentials.
Bonus: depth with approximate nearest-neighbor indexing, including HNSW, IVF, product and scalar quantization, and DiskANN-style SSD indexes.
Bonus: experience with AI, HPC, or Physical AI data pipelines.

Benefits

Competitive compensation and equity packages, including Restricted Stock Units.
Paid time off, paid holidays, and leave of absence programs.
Comprehensive health, dental, and vision insurance.
Employer HSA contributions.
Paid parental leave.
Paid life insurance and short- and long-term disability coverage.
Professional development and tuition reimbursement.
Mental health and wellness support.
Commuter benefits for parking and transit.
Cell phone stipend.
401(k) retirement plan with company match up to 4% of salary.
Volunteer time off.
Global travel insurance and emergency assistance.
Daily meals allowance.
Additional location-specific perks and programs.

Salary: $215k - $260k/yr

Crusoe

As the AI factory company, Crusoe is on a mission to accelerate the abundance of energy and intelligence. The company provides a reliable, scalable, cost-effective, and energy-first solution for AI infrastructure. By harnessing large-scale energy resources, building AI-optimized data centers, and...

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