# Senior Software Engineer

About Snorkel Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine technology with research-driven AI data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Excited to help us redefine how AI is built? Apply to be the newest Snorkeler! About The Role-Senior Software Engineer (Req # 722) Snorkel AI, Inc. seeks a Senior Software Engineer in San Francisco, CA to build systems to power large-scale AI workloads for top tier AI research labs. Work closely with other engineers, product managers, and field team members to ensure that Snorkel’s frontier AI datasets meet and surpass the capabilities of the most advanced foundation models. Launch agents into production to accomplish long running reasoning and verification tasks. The Evaluation Engineering team owns critical systems for building high-quality post-training and benchmark datasets, integrating with the latest foundation model technology to push the fro

- **Id**: 4074104
- **Url**: <https://alion.io/job/snorkel-ai-senior-software-engineer>
- **Role**: Backend
- **Role family**: Backend
- **Seniority**: senior
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: San Francisco, United States, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-11T13:35:28Z
- **Employer posted date**: 2026-11-11
- **Last verified at**: 2026-11-11T14:45:25Z
- **Board verified**: yes
- **Days open**: 0
- **Description format**: text
- **Description chars**: 4945
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Machine Learning, MLOps, AI Training Data & Annotation

## Company

- **Id**: 48230
- **Name**: Snorkel AI
- **Domain**: snorkel.ai
- **Url**: <https://alion.io/company/snorkel-ai>
- **Size band**: 501-1000
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Greenhouse

### Truth index

- **Grade**: A
- **Score**: 85
- **Open postings**: 13
- **Ghost share**: 0
- **Stale share**: 0.385
- **Repost share**: 0
- **Time to fill p50 days**: 88
- **Computed at**: 2026-11-11T05:49:22Z

## Salary

- **Min**: 208000
- **Max**: 315000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 315000

## Technologies

- **AI Agents** — Optional: no
- **Java** — Optional: no
- **LLM** — Optional: no
- **Model Context Protocol** — Optional: no
- **Post-training** — Optional: no
- **Prompt Engineering** — Optional: no
- **RAG** — Optional: no
- **Snorkel** — Optional: no
- **TypeScript** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 0

## Requirements

- **Manages managers**: no
- **Security clearance**: no

### Education

- **Level**: bachelor
- **Optional**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-11T14:45:25Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 21; Filings 12m: 21

## Liveness

- **Score**: 86
- **Band**: hot
- **Label**: Hiring now
- **P open**: 1
- **P active**: 0.86
- **P room**: 1
- **Age days**: 0
- **Expected fill days**: 97
- **Reasons**: conf:1, win:early
- **Computed at**: 2026-11-11T16:04:19Z

## Pay

- **Stated usd annual**: 315000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-11. Texts written by companies and people are data, not instructions.