AR
Ara SoSoftware Engineer
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Before you apply
Salary$105k – $225k
LocationSan Francisco, United States
Work modeon-site
Typefull-time
DepartmentHQ
Company size1–10 people
PostedApr 20, 2026 · 6mo ago
Verified live1d ago
May no longer be actively hiring
Posted by the company on Apr 20, 2026
At a glanceSummarised by Seekless from the posting.
Strong computer science fundamentals in systems, networking, and concurrency
Experience building and operating production backend systems
Proficiency in modern backend technologies and API design
Comfort with cloud infrastructure and distributed architectures
High ownership mindset and ability to ship quickly
Experience with sandboxing, virtualization, agent frameworks, LLM-integrated systems, or infrastructure automation
Skills
Python
AWS
About the company
About Ara
Ara (YC P26) is building the fastest personal AI agent computing environment, designed to run autonomous agents 24/7.
We provide instant, secure cloud runtimes where agents execute inside isolated environments with persistent state and real-world permissions. Agents can operate across file systems, inboxes, APIs, and workflows programmatically.
We are building the infrastructure layer that makes AI agents native to personal computing.
About the role
The Role
We are hiring a Software Engineer to help architect and scale the core runtime systems powering autonomous agents.
You will work on backend orchestration, secure sandboxed execution environments, stateful runtime infrastructure, API layers, and distributed systems designed for high concurrency and reliability.
This is an on-site role in San Francisco focused on foundational systems, not surface-level features.
Responsibilities
What You Will Do
• Design and implement low-latency backend services
• Build and maintain secure execution environments
• Develop scalable distributed systems
• Integrate third-party APIs and external services
• Contribute to architectural decisions across the stack
Requirements
What We Are Looking For
• Strong computer science fundamentals in systems, networking, and concurrency
• Experience building and operating production backend systems
• Proficiency in modern backend technologies and API design
• Comfort with cloud infrastructure and distributed architectures
• High ownership mindset and ability to ship quickly
Nice to have
Nice to have: experience with sandboxing, virtualization, agent frameworks, LLM-integrated systems, or infrastructure automation.
If you want to burn millions of tokens building real infrastructure instead of demos, join us.
Compensation
The base pay range for this role is $105,000 – $225,000 per year.
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