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FriendliAI

Software Engineer – Python Developer Tools

Seoul
Level
Mid
Work type
On-site · Seoul

Not stated in the posting: salary, visa.

Open. First seen 2 October 2026.

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About the role

About the job

FriendliAI is hiring a Python Engineer to build developer tools for our users and internal engineers. The software developed by the engineer will be the primary way developers integrate with our inference and agent platform. Your work will remove friction for internal teams and external users. You’ll design ergonomic & stable APIs, reliable releases to PyPI, and drive top-tier developer experience across documentation, examples, and tooling. You’ll collaborate with frontend engineers on end-to-end workflows and partner with product & engineering teams.

Key Responsibilities

  • Own the Python SDK lifecycle. You will design APIs and implement the client side in the SDK.
  • Build and maintain a cross-platform CLI with a modern interface, including helpful error messages and good UX.
  • Manage packaging and distribution pipelines.
  • Develop and maintain internal developer tools related to DevOps.
  • Create examples, templates, and guides that help developers effectively utilize our software bundles.

Qualifications

  • 3+ years of professional Python engineering building libraries, SDKs, or developer tools used in production.
  • Demonstrated SDK/CLI ownership. Familiarity with API ergonomics and versioning, deprecation policies, telemetry, and debugging customer issues.
  • Strong Python fundamentals, including asyncio, typing, packaging, and testing.
  • Web API fluency in REST and gRPC.
  • Experience working with Python monorepos.
  • Clear written communication skills and capable of turning complex features into clean APIs and concise docs.

Preferred Experience

  • Maintainer or significant OSS contributor in Python libraries (tooling, SDK, CLI, etc.).
  • Experience with Python AST and Meta-programming, Packaging
  • Performance work (profiling, streaming, backpressure) or multi-platform build experience.
  • Cross‑language exposure (TypeScript/Node, Go).
  • Containers & local dev tooling (Docker); familiarity with Kubernetes basics.
  • Experience with LLM/agent SDKs or inference workflows.

Benefits

  • Flexible working hours
  • Daily lunch and dinner provided; unlimited snacks and beverages
  • Supportive and highly collaborative work environment
  • Health check-up support and top-tier equipment/hardware support
  • A front-row seat to the generative AI infrastructure revolution
  • Competitive compensation, startup equity, health insurance, and other benefits.
FriendliAI's standard text

About FriendliAI

FriendliAI is building the world’s best AI inference platform that makes large language and multi-modal models fast, efficient, and deployable at scale. We power high-throughput, low-latency AI workloads for organizations worldwide and integrate directly with Hugging Face, giving developers instant access to over 600,000 open-source models.

We are a small, fast-moving team doing work that matters at one of the most exciting moments in the history of technology. With our world-class inference engine, we are building a platform that the AI industry can actually rely on.

What this role asks for

Particular to this role

Docker · Golang · Node.js · TypeScript

Rare in FriendliAI's other 18 open postings.

In most of FriendliAI's ads

Generative AI · Hugging Face · Kubernetes · Python

Named in most of its open postings, whatever the role.

78% of this description is written for the role. The rest is FriendliAI's standard text, folded away below.

Compared with FriendliAI's other open jobs.

The team: Applied Engineering

This role is one of 4 open in Applied Engineering.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

Generative AI (4 of 4), Hugging Face (4 of 4), LLM (4 of 4), Python (4 of 4), Kubernetes (3 of 4), LangChain (3 of 4)

OTHER ROLES ON THIS TEAM

From the team and dates on FriendliAI's own job board.

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