# Senior Backend Engineer (Staff)

**Company:** [SafetyKit](https://hotfix.jobs/companies/safetykit)
**Location:** San Francisco, CA
**Role:** Backend Engineering
**Skills:** AWS Lambda, Aws Step Functions, Amazon Rds, Aws Cdk, TypeScript, Python, Serverless Architecture, Infrastructure As Code, Monitoring, Alerting Systems
**Posted:** 2025-04-08

> Designs scalable AWS serverless infrastructure for AI agents in enterprise B2B SaaS, enabling rapid development by engineers and models. Leads technical decisions, mentors team, and drives best practices using TypeScript and CDK.

## Job Description

## Responsibilities
- Design and build scalable, high-performance infrastructure.
- Design architectures that allow both engineers and language models to quickly create, test, and deploy application code.
- Create reliable monitoring, logging, and alerting systems to ensure platform stability and performance.
- Mentor teammates and lead technical decision-making across the organization.
- Collaborate with AI and product teams to translate complex requirements into elegant technical solutions.
- Drive engineering best practices, including code reviews, testing strategies, and documentation.
- Use codegen models to move 10x faster than you did two years ago.

## Technologies
- AWS Serverless products (Lambda, Step Functions, RDS Aurora)
- AWS CDK
- TypeScript
- Python

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**Canonical:** https://hotfix.jobs/jobs/4f4baba7-9356-4ee4-8a33-c3dbc776eb23