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Staff Applied AI Engineer

StackBlitzRemoteEngineering
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Salary
Not listed
Job type
Full-time
Work mode
Remote
Posted
30 Jan 2026
Status
Open · checked 7d ago

About this role

StackBlitz is seeking a remote Staff Applied AI Engineer to lead the technical direction of AI agents that transform natural language into production-ready applications. This role suits an experienced engineer passionate about shaping next-generation software development tools for a global user base.

Role Overview

As a Staff Engineer on the AI team at StackBlitz, the chosen candidate will lead the technical direction of AI agents powering Bolt.new. The position involves solving complex challenges such as maintaining context across large codebases, orchestrating multi-step workflows, and handling everything from simple UI tweaks to architectural decisions. The work directly shapes the experience of millions of users building full-stack web and mobile apps right in the browser without traditional code.

Key Responsibilities

Define AI agent architecture by setting technical direction for context management, workflow orchestration, and scaling.
Lead multi-model strategy by building evaluations and selection criteria across providers like OpenAI, Anthropic, and Google, while partnering with provider teams to test new capabilities.
Build tool-use and workflow foundations by designing safe, reliable interfaces for tool calling and evaluating frameworks like Vercel AI SDK and LangGraph.
Drive cross-team execution by aligning product, design, and engineering, resolving tradeoffs, and mentoring engineers to raise AI engineering standards.
Establish data and evaluation standards by owning dataset methodology and eval harnesses to turn failure modes into measurable improvements.
Drive research and innovation through experimentation with prompting, context handling, and post-training, sharing learnings externally when appropriate.

Requirements

Deep LLM experience building and scaling production LLM systems with a strong grasp of capabilities, limits, and emergent behavior.
Advanced prompt engineering expertise with the ability to set best practices and mentor across models and use cases.
Strong software engineering fundamentals focused on designing scalable systems and pragmatic architectural decisions.
Strategic execution capability to drive ambiguous, high-scope work end-to-end and influence across multiple teams.
Systems thinking mindset to spot technical, communication, or process debt and improve team velocity.
Model and agent literacy tracking coding-agent and LLM advances while understanding model tradeoffs and the agent lifecycle.
Data-driven leadership through building data collection and evaluation harnesses to translate insights into measurable improvements.
Strong verbal and written English communication skills for frequent collaboration with team members, stakeholders, and customers.

Nice to Have

Fine-tuning and alignment experience with LLMs including SFT, RLHF, RLAIF, DPO, and ORPO.
Machine learning background with an understanding of ML fundamentals and experience utilizing model evaluation metrics.
Open-source contributions involving the creation, contribution to, or maintenance of open-source AI and ML projects.
Research background featuring experience reading and implementing techniques sourced from AI and ML research papers.
External presence highlighted by conference speaking, technical content publishing, or organization representation in industry forums.

Skills and Tools

Node.js
LLMs
OpenAI, Anthropic, Google models
Vercel AI SDK
LangGraph

About the Company

StackBlitz is the creator of WebContainers, the innovative technology enabling Node.js to run directly inside the browser. The company powers a fast online IDE utilized by over 1 million developers every month and developed Bolt.new, an AI-powered app builder that enables users to create, edit, and deploy full-stack web and mobile applications instantly. StackBlitz operates as a fully remote, globally distributed, and collaborative team building the future of software development.

How to Apply

Interested candidates should visit the official StackBlitz careers page or website to submit an application for the Staff Applied AI Engineer role.

Skills and tech stack

Node.jsLLM

Questions candidates ask

What is the primary focus of the Staff Applied AI Engineer role?

The role focuses on leading the technical direction of AI agents that turn natural language into production-ready applications for Bolt.new by StackBlitz.

Is this position remote?

Yes, StackBlitz operates as a fully remote and globally distributed team, and candidates do not need to be located in the U.S.

Are there specific degree requirements for this position?

No, applicants do not need a college degree to apply for this role.

What specific skills and technologies are highlighted in the job details?

The job details highlight experience with Node.js, LLMs, prompt engineering, multi-model strategies across providers like OpenAI, Anthropic, and Google, as well as frameworks like Vercel AI SDK and LangGraph.

How should I apply for this job?

Candidates can apply directly through the official StackBlitz company careers page.

Ready to apply?

The application is on the official StackBlitz careers page.

Apply on company site