# Senior Software Engineer, Platform

**Company:** [Reducto](https://hotfix.jobs/companies/reducto)
**Location:** San Francisco, CA
**Role:** DevOps / SRE
**Salary:** $150k – $300k/yr
**Experience:** 5+ years
**Skills:** Python, LLMs, Streamlit, APIs, Document Processing, Pdfs, Spreadsheets, Prompt Engineering, Fine-Tuning, AI Agents
**Posted:** 2025-12-28

> Senior Software Engineer on the Platform team builds and optimizes core APIs and pipelines for document parsing using LLMs, integrates cutting-edge models, reduces latency/costs, and collaborates with ML engineers. Requires 5+ years experience with 2+ years in production LLMs and Python expertise.

## Job Description

## Responsibilities
- Integrating and optimizing LLM calls for structured extraction, form filling, and document understanding tasks
- Experimenting with new techniques and output structures to improve LLM accuracy and reduce latency
- Making improvements to API design and pre-processing algorithms (chunking, structured extraction, etc.) based on customer feedback
- Building and improving document processing pipelines that handle everything from PDFs to spreadsheets at scale
- Driving backend latency and costs down without sacrificing quality
- Building internal tooling and evals to better understand/analyze failure cases
- Working directly with the founders and customers to shape the product direction and engineering strategy

## Requirements
- 5+ years of experience building, hardening and scaling real world applications
- 2+ years of experience integrating LLMs into production systems
- Exceptional with **Python** (or deep understanding of another language)
- Build your own tools as needed (e.g., Streamlit app to test hypotheses or create datasets)
- Quantitative approach to building products; ability to debug, experiment, and iterate fast
- High bar for quality; hands-on with full development lifecycle

## Nice-to-Haves
- Prior experience founding a company or building products at early stages
- Experience with prompt engineering, fine-tuning, or building AI agents
- Experience delivering AI-powered products at internet scale
- Keep up with latest developments in ML/AI

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**Apply:** https://hotfix.jobs/jobs/ff84a673-5eec-4e85-b564-9d5867b9a4bb
**Canonical:** https://hotfix.jobs/jobs/ff84a673-5eec-4e85-b564-9d5867b9a4bb