Senior Backend Software Engineer – AI

Senior Backend Software Engineer – AI

Location:

San Francisco, CA

Work Arrangement:

On-site, 5 days/week

Employment Type:

Full-time

Compensation:

$225,000–$275,000 + potential flexibility based on experience

Our client is hiring a

Senior Backend Software Engineer

for a fast-growing AI company building next-generation AI-powered products. This is an opportunity to work on complex backend systems and help shape highly technical products in a fast-moving environment.

What You’ll Do

• Design and build scalable backend systems, including distributed systems, data processing, information retrieval, and asynchronous workflows.
• Develop infrastructure for agentic workflows and AI-powered applications.
• Build reliable APIs and backend services using

TypeScript and AWS

.

• Work with technologies such as S3, Lambda, RDS, SQS, ECS, FastAPI, Docker, and CI/CD.
• Make architectural decisions around scalability, reliability, performance, and observability.
• Collaborate with engineering and cross-functional teams to deliver new product capabilities.
• Write high-quality, maintainable code and contribute to engineering standards and best practices.
• Take ownership of projects and operate effectively in a fast-paced startup environment.
• Help define technical direction and mentor or guide other engineers when appropriate.

What They are Looking For

• 5–10 years

of professional backend software engineering experience.

• Strong industry experience with

TypeScript and AWS

.

• Proven experience designing and building

scalable backend systems

.

• At least

12 months of professional experience working with agentic systems, LLMs, or generative AI

.

• Experience working in an early-stage or high-growth technology company.
• Strong understanding of software architecture, algorithms, data structures, and system design.
• Clear written and verbal communication skills in English.
• Ability to work independently, take ownership, and make sound technical decisions.
• A formal degree in a relevant field or equivalent qualifying academic background.

Nice to Have

• Experience serving as a technical lead or helping establish engineering standards.
• Experience with AI infrastructure, agentic workflows, or large-scale data processing.
• Experience working on highly distributed or real-time systems.

Work Location

This role is on-site five days per week in San Francisco, CA . Candidates must be able to work from the San Francisco office on a full-time basis.