Senior Full-Stack Engineer - LLM-Powered Code Review PoC

San Francisco, California, US on site Until 8/21/2026 5+ years exp First posted May 30, 2026 Last posted May 30, 2026
Job description

Job Title: Senior Full-Stack Engineer (Freelance/Contract)

NexaFlow is seeking a Senior Full-Stack Engineer to develop a proof-of-concept code review tool powered by large language models (LLMs).

Key Responsibilities:
- Design and implement a prototype tool that leverages LLMs to automatically review pull requests.
- Integrate LLM APIs (OpenAI/Anthropic) to identify bugs, security vulnerabilities, and code style issues in code submissions.
- Post contextual feedback directly on pull requests.
- Handle the entire development process independently, from architecture through deployment.
- Collaborate remotely with the NexaFlow team as needed.

Requirements:
- 5+ years of full-stack development experience.
- Proficiency in integrating LLM APIs such as OpenAI or Anthropic.
- Experience developing code review tools and working with CI/CD pipelines.
- Strong ability to independently manage end-to-end product development.
- Backend expertise in Python or Node.js.
- Frontend experience with React or Vue.
- Familiarity with Docker-based deployment.

Additional Information:
- This is a freelance/contract position, not a full-time employment role.
- Location: San Francisco (remote friendly).

About this role

Summary

Develop a prototype code review tool using LLMs, APIs, and full-stack development skills.

Job title

Senior Full-Stack Engineer - LLM-Powered Code Review PoC

Experience level

5+ years

Minimum experience

5+ years exp

Industry

software

Location requirements

Remote work allowed, based in San Francisco

Salary

Not specified

Management role

No

Skills & keywords

Required skills

full-stack developmentAPI integrationPythonNode.jsreactvuedocker

Preferred skills

None specified

Specializations

full-stackLLMsAPI integrationreactvue
Locations

Structured locations inferred from the posting.

San Francisco, CA, USA

Hybrid City