Senior Backend Engineer – Scalable Infra & AI Tax Engine

Sphere; San Francisco (CA); On-site; USD 230,000 - 260,000; Full time

Benefits offered by this job

On-site in San Francisco

Job summary

Sphere is building AI-native trade infrastructure in San Francisco and needs an experienced Platform/SRE engineer to tackle scaling, latency, and reliability at global scale.

You will partner with engineering and customers like Eleven Labs, Replit, Windsurf to design and ship resilient infrastructure using AWS, Kubernetes, Postgres, and real-time queues. SF on-site only, fast decision making, ownership, and on-call rotation.

Qualifications

• Experience managing Kubernetes clusters at scale on AWS/GCP/Azure.
• Experience shipping high-availability, high-load architectures.
• Experience with Postgres at scale.

Responsibilities

• Find solutions to Sphere's toughest scaling, performance, and latency problems.
• Define tooling with engineering to ship faster.
• Participate in an on-call rotation to resolve production events.
• Collaborate with customers/partners on latency and availability requirements.
• Influence and implement next-gen DB, real-time queue, and container orchestration.

Skills

Kubernetes at scale

AWS/GCP/Azure

PostgreSQL at scale

Python

Django

DevOps mindset

On-call experience

Tools

ECS

EKS

Amazon ALB

AWS SQS

Amazon Aurora PostgreSQL

ElastiCache Redis

S3

Job description

Sphere is building AI-native trade infrastructure in San Francisco and needs an experienced Platform/SRE engineer to tackle scaling, latency, and reliability at global scale.

You will partner with engineering and customers like Eleven Labs, Replit, Windsurf to design and ship resilient infrastructure using AWS, Kubernetes, Postgres, and real-time queues. SF on-site only, fast decision making, ownership, and on-call rotation.