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Senior Infrastructure Engineer

macroscopeSan FranciscoEngineering
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Salary
Not listed
Job type
Full-time
Experience
Senior
Posted
6 Oct 2026
Status
Open · checked 7d ago

About this role

This role suits experienced backend professionals who thrive in an early-stage startup environment and want to build foundational platforms for AI-driven software development. Macroscope is hiring a Senior Infrastructure Engineer in San Francisco to scale the core services and inference platforms.

Role Overview

The Senior Infrastructure Engineer position at Macroscope involves shaping the foundation of core services and inference platforms in San Francisco. The professional in this role will design and implement distributed systems, infrastructure, and APIs that drive the main product while supporting large language model operations at scale.

Key Responsibilities

Design and implement distributed systems, infrastructure, and APIs for the core product.
Build infrastructure required to deploy and manage large language models at scale.
Lead projects centered on backend scalability, reliability, and performance.
Partner with the engineering team to set best practices for cloud infrastructure, continuous integration and deployment pipelines, observability, and production operations.
Collaborate with the machine learning research team to architect and build infrastructure for training, fine-tuning, and inference workloads.
Make architectural decisions alongside founders, engineers, and a designer.

Requirements

Experience architecting and operating distributed backend systems at scale.
Expertise in building resilient, performant, and maintainable backend services and APIs.
Proficiency with cloud environments, specifically Google Cloud Platform, covering networking, identity and access management, monitoring, and infrastructure as code.
Experience building or operating infrastructure for modern large language model workloads, such as inference serving, fine-tuning, and training workflows.
Experience leading backend or infrastructure projects and driving architectural decisions.
Hands-on experience with SQL databases, Postgres, caching layers, and messaging systems.
Familiarity with observability tools and practices including logging, metrics, tracing, and alerting.
Usage of artificial intelligence tools to accelerate engineering work and keep current with emerging technologies.

Nice to Have

Familiarity with techniques like LoRA and reinforcement learning.
Strong experience with Go.
Experience with Temporal or similar durable execution and workflow orchestration systems.

Skills and Tools

TypeScript
React
Go
Temporal
Google Cloud Platform
Postgres
Terraform
AST code walkers in Go, TypeScript, Swift, Python, and Rust

About the Company

Macroscope builds infrastructure for the next generation of software development, focusing on agent fleets, automated reviews, and codebase evolution tracking. Founded by former entrepreneurs who started and sold multiple companies and operated as product and engineering executives at public tech companies, the firm is backed by Lightspeed Venture Partners, Thrive Capital, Google Ventures, and Adverb.

How to Apply

Interested candidates should apply on the official company careers page.

Skills and tech stack

Questions candidates ask

Where is the Senior Infrastructure Engineer position located?

The role is located in San Francisco.

What primary backend programming language does Macroscope use?

The primary backend language is Go.

What cloud platform does the company utilize?

The company uses Google Cloud Platform.

Who supports Macroscope financially?

Macroscope is supported by investors including Lightspeed Venture Partners, Thrive Capital, Google Ventures, and Adverb.

What type of experience is needed for machine learning workloads?

Candidates need experience building or operating infrastructure for modern large language model workloads, including inference serving, fine-tuning, and training workflows.

Ready to apply?

The application is on the official macroscope careers page.

Apply on company site