Senior Software Engineer

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Senior Software Engineer in USA new

Crusoe
Full time
Email

USA
11/04/2026
Report

San Francisco, CA

Responsibilities

Own the end-to-end design, development, and operation of IAM services for authorization, authentication, identity federation, and identity lifecycle.
Design solutions for complex platform-level authentication and authorization scenarios, including fine-grained access to cloud resources.
Build low-latency, fault-tolerant, highly available services operating on the critical path for API requests.
Apply OAuth2/OIDC, RBAC/ABAC, session management, credential management, and security best practices.
Contribute to company-wide architecture decisions supporting security, reliability, and maintainability.
Collaborate with product, design, security, and SRE teams to evaluate tools, frameworks, and customer needs.
Mentor engineers, conduct code reviews, and improve hiring and onboarding practices.

Requirements

Bachelor’s degree in Computer Science or a related field, or equivalent practical experience.
5+ years of software development experience, primarily with Go and gRPC or an equivalent compiled language.
Experience designing and scaling fault-tolerant distributed systems and managed cloud services.
Hands-on experience building authentication and authorization into production services, including OAuth2/OIDC, RBAC/ABAC, sessions, credentials, secrets management, encryption, and TLS.
Experience operating production services with on-call responsibilities, observability, metrics, logging, alerting, and latency-focused reliability practices.
Strong API design experience with gRPC and REST, plus experience modeling multi-tenant identity hierarchies.
Experience mentoring engineers and providing constructive code reviews.
Ability to collaborate cross-functionally and communicate complex technical ideas to customers and business stakeholders.
Preferred experience with Ory, SpiceDB, OpenFGA, SAML, JWT, identity federation, SCIM, WebAuthn, Kubernetes, Docker, Terraform, CI/CD systems, multi-tenant isolation, audit or SOC 2 compliance, AI-agent identity, GPU or AI cloud infrastructure, or open-source security, identity, and distributed-systems projects.

Benefits

Competitive compensation, bonus, and equity packages including Restricted Stock Units.
Paid time off, paid holidays, leave programs, and paid parental leave.
Comprehensive health, dental, and vision insurance; HSA contributions; paid life insurance; and short- and long-term disability coverage.
Professional development, tuition reimbursement, mental health and wellness support, commuter benefits, and a cell phone stipend.
401(k) retirement plan with company match up to 4% of salary.
Volunteer time off, global travel insurance, emergency assistance, daily meals allowance, and location-specific perks.

Salary: $170k - $205k/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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