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# Senior Backend Engineer (Infrastructure)

- **Company:** Sphere Corporation
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Amazon S3, Microsoft Azure, Databases, Django Web Framework, Python (Programming Language), PostgreSQL, Microsoft Message Queuing, Redis, Transaction Data, Amazon ElastiCache, System Availability, Backend, Juniper, Containerization, Stripe, Kubernetes, Low Latency, Terraform, Data Pipelines
- **Published:** October 30, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-backend-engineer-infrastructure-san-francisco-ca--ee4c1afe-dab0-4634-8136-5106cc0fcca7

## About the Role

Artificial Intelligence (AI), Interpret Regulations, Juniper Networks M-Series, Problem Solving Skills, Machine Tool, Team Player, On Call, Redis, Best Practices, Amazon Web Services (AWS), * Experience managing k8s clusters in AWS/GCP/Azure at scale

 * Extensive experience shipping high-quality architectures for mission critical systems (focus on high availability, high load, low latency)
 * Experience with Postgres at scale

NICE TO HAVES

 * Experience working with large volumes of transaction data. You'll be getting very familiar with it!
 * Strong experience in Python. Our core application backend and data pipeline services are built with Python and Django
 * Passionate about developer experience
 * Very strong attention to detail. When you work with numbers this is a non-negotiable - it's not enough to be 99% right., * You're a Dog. You've been underestimated, gone through struggle, and never stopped running. You have a chip on your shoulder and enormous drive. You look at Stripe, Deel, and Flexport all punting on compliance and think: good, that means the opportunity is ours. Hunger beats pedigree.

## Description

* The problem keeps compounding.Expanding into input tax, withholding, e-invoicing, tariffs - each multiplies the complexity. Tens of millions of transactions today, billions ahead., * Find solutions to Sphere's toughest scaling, performance, and latency problems
 * Work closely with engineering team to define tooling to help us ship even faster
 * Participate in an On Call rotation to solve critical production events
 * Work directly with customers like Eleven Labs, Replit, Windsurf, and partners like Stripe, Chargebee, on their latency and availability requirements.

Within months:

 * Influence and implement the next generation of Sphere's database, real-time queue, and container orchestration infrastructure
 * Work across our engineering organization to introduce and scale best practices with cloud-native technologies like Amazon ALB, ECS/EKS, Temporal, AWS SQS, Amazon Aurora PostgreSQL, Elasticache Redis, and S3
 * Build abstractions within Terraform to simplify the architecture and increase velocity and ownership