Software Engineer, Full Stack

Runloop; San Francisco (CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Competitive salary and equity

Comprehensive health, dental, and vision insurance

Opportunity to work on cutting-edge technology

Free lunch

Job summary

A pioneering AI technology firm in San Francisco is seeking a Software Engineer to build innovative AI-driven software engineering tools. The ideal candidate has over 3 years of experience, proficiency in Python, Java, and Typescript, and a passion for improving developer tools. You'll work on designing key platform components, creating intuitive APIs, and ensuring system scalability. Join us to shape the future of software engineering and make an impact in the AI domain.

Qualifications

• 3+ years of experience building performant products deployed at scale.
• Experience building developer platforms or APIs.
• Proficiency in Python, Java, and Typescript.
• Experience with cloud infrastructure and containerization.
• Strong problem-solving skills.
• Passion for developer tools.

Responsibilities

• Design and implement key components of our AI software engineering platform.
• Create intuitive APIs and developer tools.
• Build scalable and efficient systems.
• Implement security measures for AI agents.
• Work closely with product and design partners.
• Write maintainable and well-tested code.

Skills

Software engineering

Developer platforms

Python

Java

Typescript

Cloud infrastructure

Containerization

Orchestration technologies

Problem-solving

AI/ML concepts

Job description

About Runloop

Runloop.ai is building the foundational infrastructure for the next generation of AI development. We provide AI engineers and data scientists with lightning-fast, secure, and reproducible code sandboxes for agents. Our platform enables teams to experiment, iterate, and deploy their agents without the friction of environment setup and dependencies.

Founded by a team from Google, Stripe, and Vercel, we recently raised $7M in seed funding and are helping companies deploy AI coding agents up to 6 months faster. We are a small but mighty team (grew 4x in 2025) dedicated to building a rock-solid platform that underpins future AI-native innovation.

The Role

As a Software Engineer at Runloop, you\'ll be at the forefront of building a revolutionary platform that enables the next generation of AI-augmented software engineering tools. You\'ll work on cutting-edge features that solve unique challenges in AI agent orchestration, code execution and understanding, and seamless local-to-cloud development for AI-powered coding solutions, all wrapped in a developer friendly interface.

Responsibilities

• AI-Driven Product Development: Design and implement key components of our AI software engineering platform.

• Developer Experience: Create intuitive APIs, SDKs, and developer tools that make it easy for our users to build and scale their AI coding solutions on top of Runloop across the stack including our robust UI

• Scalability and Performance: Build highly scalable and efficient systems capable of handling the unique demands of AI-powered software engineering tools, including long-running AI jobs and extreme parallelization.

• Security and Compliance: Implement robust security measures to ensure the safe execution of AI agents and protect sensitive codebases.

• Product & Cross-Functional Collaboration: Work closely with product, design, and infrastructure partners to translate user needs into high-quality technical solutions. Participate in technical design discussions and contribute to roadmap planning.

• Quality, Testing & Iteration: Write maintainable, well-tested code. Improve code quality, developer workflows, and internal tooling to help the team move quickly and confidently.

Qualifications

• Strong background in software engineering, with 3+ years of experience building performant products or infrastructure deployed at scale.

• Experience building developer platforms or APIs.

• Proficiency in languages commonly used in AI and full stack development (e.g., Python, Java, Typescript).

• Experience with cloud infrastructure, containerization, and orchestration technologies.

• Strong problem-solving skills and ability to tackle novel technical challenges.

• Passion for developer tools and improving software engineering processes.

Bonus Points

• Familiarity with AI/ML concepts, particularly in the context of code generation or analysis.

Benefits

• Competitive salary and equity.

• Comprehensive health, dental, and vision insurance for you and your dependents

• Opportunity to work on cutting-edge technology and make a real impact on the future of software engineering.

• Free lunch

Location

• In office 4 days a week in San Francisco, optional 1 day a week WFH

Join Us!

If you\'re excited about shaping the future of AI-driven software engineering and empowering developers to build the next generation of AI powered coding tools, we want to hear from you. Join Runloop and be at the forefront of the AI revolution in software development.