Senior Software Engineer, Snorkel AI
AI/ML
$200-250k
3 days a week in office
The AI data research lab
Open for applications
The AI data research lab
501-1000 employees
Open for applications
$200-250k
3 days a week in office
501-1000 employees
Company mission
To empower everyone to solve their most impactful problems through data-centric AI.
Role
Who you are
- 4+ years experience in delivering AI/ML systems and services in a production setting for cloud-native applications
- Experience with distributed compute frameworks
- Experience with the modern AI stack, including improving LLM applications through evals, prompting, and agent scaffolding
- Ability to design and build efficient data storage, compute, and retrieval systems for AI/ML tasks
- Strong communication and coding skills with emphasis on designing for scale and robustness
- Experience owning the delivery of large multi-person projects
Desirable
- 8+ years of professional software engineering experience
- Experience with architecting and developing production web-scale systems (monitoring, telemetry, performance, reliability, triage and debug)
- Strong development and debugging skills in Python
- Experience with expert data annotation projects
- Experience developing evaluations and environments for complex multi-turn and multi-tool AI systems
What the job involves
- As a Software Engineer on the Evaluation Engineering team, you'll build systems to power large-scale AI workloads for top tier AI research labs
- You’ll 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
- You will 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 frontier of models used globally across coding, mathematics, law, medicine, and other advanced domains
- Own the architecture, design, development, and operations of large-scale systems designed for AI/ML tasks including distributed compute systems, data management systems, data engineering workflow systems, and end user experiences
- Recognize and act on opportunities to integrate the latest agentic and foundation model technologies to power eval workflows
- Prototype, optimize, and maintain scalable back-end services that will power new foundation model development tools
- Design extensible and testable interfaces between internal services including the underlying storage and data models
- Be an engaged team player in a customer-focused cross-functional environment where you will feel excited to take on whatever is most impactful for the company and product
- Work a hybrid schedule with 3 days per week in one of our offices in San Francisco or Redwood City
Our take
Demand for AI is increasing in almost every industry, but the machine learning that fuels it is tedious to set up. In order to train machine learning algorithms, training data must be labelled manually, and this contributes to expenses in time, money and resources when integrating AI within a business.
Snorkel AI develops programmatic approaches to data labelling in order to automate the setup process of machine learning and decrease the required timeframe for a business to begin providing AI services. In addition to these automated data categorization services, the company also integrates data training, management, and analysis into a unified AI-deployment platform.
The complex computer science behind AI setup has resulted in many businesses without computer science backgrounds being left behind, and Snorkel AI has set this as their target audience. And recently, the company raised some serious funding which it plans to use to expand the company;'s engineering, research, and go-to-market efforts.
Kirsty
Company Specialist at Welcome to the Jungle
Company
Funding (last 2 of 4 rounds)
May 2025
$100m
SERIES D
Aug 2021
$85m
SERIES C
Total funding: $235m
Company benefits
- Health: Snorkelers and their dependents are covered by comprehensive medical, dental, and vision plans.
- Wellness: All Snorkelers get a yearly wellness stipend to use on anything related to health and well-being.
- PTO and rest days: We provide unlimited personal time off so you can find your work-life balance. Plus, two company-wide rest days per quarter in addition to company holidays.
- One global team: From our headquarters in Redwood City, CA, to regional offices in San Francisco and New York, we work together as one global team.
- Events: Get to know your fellow Snorkelers outside of work! We host regular events and learning opportunities for our teams across our offices and virtually to connect, have fun, and grow.
- Family leave: Snorkel offers generous parental leave for both birthing and non-birthing parents based on eligibility.
Company HQ
Centennial, Redwood City, CA
Leadership
Alex Ratner
(Co-Founder & CEO)Studied at Harvard and received a PhD from Stanford. They are also an Assistant Professor at the University of Washington.
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