Backend Software Engineer

Closr; San Francisco (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

engineeringjobs.net, Inc. is seeking a senior backend engineer to lead a small, high-caliber team in San Francisco. You will establish engineering standards and drive scalable systems using TypeScript, AWS, and latest AI techniques.

On-site in San Francisco; visa sponsorship is not available. You will design agentic systems and work with large language models and generative AI to deliver robust, performant backend solutions.

Qualifications

• Requires 5–10 years of backend engineering experience.
• Proficient in TypeScript and AWS.
• Designs agentic systems or works with LLMs and generative AI.
• On-site in San Francisco; visa sponsorship unavailable.
• Fluent English communication required.

Responsibilities

• Lead a small engineering team and set engineering excellence standards.
• Build scalable backend and agentic systems using LLMs and generative AI.

Skills

Backend engineering

TypeScript

AWS

Agentic systems

Large language models

Generative AI

Distributed systems

Large-scale data processing

Information retrieval

Asynchronous workflows

Algorithms

Data structures

System design

Technical leadership

English communication

Education

Bachelor's degree

Job description

Lead technical work on a small, high-caliber engineering team and establish standards for engineering excellence. Build scalable backend systems and agentic systems using large language models and generative AI.

Requirements:

Requires 5–10 years of backend engineering experience, industry experience with TypeScript and AWS, and at least 12 months of experience designing and building agentic systems or working with LLMs and generative AI. A formal degree is required; candidates must be fluent in English and able to work on-site five days a week in San Francisco, with no visa sponsorship available.

Key Skills:

Backend Software Engineering, TypeScript, AWS, Agentic Systems, Large Language Models, Generative AI, Distributed Systems, Large-Scale Data Processing, Information Retrieval, Asynchronous Workflows, Algorithms, Data Structures, System Design, Technical Leadership, English Communication