# Backend Engineer (Product, Infra)

**Company:** [SafetyKit](https://hotfix.jobs/companies/safetykit)
**Location:** San Francisco, CA
**Role:** Backend Engineering
**Experience:** 5+ years
**Skills:** AWS, serverless, AWS Lambda, step functions, rds aurora, aws cdk, TypeScript, Python
**Posted:** 2025-04-28

> Backend Engineer building scalable AI-agent infrastructure on AWS Serverless (Lambda, Step Functions, Aurora). Design high-performance systems, create monitoring/alerting, mentor team, and use codegen models to accelerate development while collaborating with AI/product teams.

## 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.

## Requirements
- Love language models.
- Patience to be rigorous.
- Act like an owner in everything you do.
- Pick things up unusually quickly.
- Love the weird little details of life in our customer’s companies.
- Care about your work and moving fast.
- Know more than you need to know with insatiable curiosity.

## Nice-to-Haves
- Experience with AWS Serverless products (Lambda, Step Functions, RDS Aurora).
- Obsessed with scaling without toil.
- Love AWS CDK.
- Work in TypeScript and a tiny amount of Python.

## Similar roles

- [Software Engineer, Networking](https://hotfix.jobs/jobs/4a079177-8578-4a2e-a09a-c2d2e6e0358e) - Tailscale - Remote - $163k – $226k/yr
- [Software Engineer III](https://hotfix.jobs/jobs/0fc328eb-c1b2-4dec-8a3a-b143f3c7d79f) - ZoomInfo - Bethesda, MD - $112k – $176k/yr
- [Distributed Systems Software Engineer](https://hotfix.jobs/jobs/0bdf8a98-9919-41f3-9ddd-28ee454bc843) - Confluent - Remote - $197k – $271k/yr
- [Product Engineer](https://hotfix.jobs/jobs/498ef149-7a26-44a0-b564-a9117498f710) - E2b - San Francisco, CA - $175k – $250k/yr
- [Distributed Systems Engineer](https://hotfix.jobs/jobs/aedb6421-f884-4088-a576-d590865229d6) - Cloudflare

**Apply:** https://hotfix.jobs/jobs/5033ff9a-8fa4-4b59-9869-7cc0477a208b
**Canonical:** https://hotfix.jobs/jobs/5033ff9a-8fa4-4b59-9869-7cc0477a208b