AI Engineer - Search (Agents) at Sana

Stockholm, Stockholm County, Sweden

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Technology, Artificial IntelligenceIndustries

Requirements

Strong expertise in search engines, vector databases, embedding models, and ranking algorithms
Experience scaling search infrastructure to handle billions of documents in multi-tenant environments
Proficiency in designing hybrid retrieval pipelines combining semantic vector search with traditional IR techniques
Skills in building ranking systems that learn from user behavior
Ability to optimize full search stack including query understanding, indexing, and distributed retrieval
Experience establishing observability frameworks for search quality
Familiarity with tech stack: TypeScript, Node.js, Postgres, Redis, GCP/Kubernetes/Terraform

Responsibilities

Scale search infrastructure to billions of documents across multi-tenant environments
Design hybrid retrieval combining semantic vector search with traditional IR techniques
Build ranking systems that learn from user behavior to improve relevance
Optimize the full search stack—query understanding, indexing, and distributed retrieval
Establish observability frameworks to measure and improve search quality
Shape the future of knowledge discovery with product and design teams
Balance hands-on implementation with system design and mentorship

Skills

Key technologies and capabilities for this role

Search EnginesVector DatabasesEmbedding ModelsRanking AlgorithmsHybrid RetrievalSemantic SearchInformation RetrievalQuery UnderstandingIndexingDistributed Systems

Questions & Answers

Common questions about this position

What is the salary like for this AI Engineer role?

Sana offers a competitive salary complemented with a transparent and highly competitive compensation package.

Is this AI Engineer position remote or based in a specific location?

This information is not specified in the job description.

What key skills are required for the AI Engineer - Search role?

Strong expertise in search engines, vector databases, embedding models, and ranking algorithms is essential. Experience with hybrid retrieval pipelines combining semantic vector search and traditional IR techniques is also key.

What is the company culture like at Sana?

Sana has a talent-dense team of engineers and designers in Stockholm united by passion for building great products with deep technical excellence. They emphasize everyone being an owner, cutting out processes, maximizing impact, and valuing rapid prototyping and iteration.

What makes a strong candidate for this AI Engineer position?

Candidates with strong expertise in search engines, vector databases, embedding models, ranking algorithms, and experience scaling search infrastructure to enterprise volumes will stand out.

Sana

Health benefits for small businesses

About Sana

Sana Benefits provides health insurance solutions specifically designed for small businesses. Their offerings include comprehensive health plans that cover medical, dental, and vision needs, along with additional services like virtual care, maternity support, and lab imaging. These plans aim to be affordable and accessible, helping small businesses offer quality health benefits to attract and retain employees. Unlike traditional health insurance providers, Sana simplifies the management of these benefits, allowing businesses to easily handle tasks like open enrollment and employee changes. The company focuses on customer satisfaction, boasting a high renewal rate, which reflects its commitment to providing valuable services that meet the needs of small businesses.

Austin, TexasHeadquarters

2017Year Founded

$103.9MTotal Funding

SERIES_BCompany Stage

HealthcareIndustries

201-500Employees

Benefits

Competitive salary & equity

100% remote

Monthly WFH stipend

Flexible PTO

Medical, life, dental, & vision

Paid parental leave

Charity matching

Risks

Recent layoffs may impact service quality and customer satisfaction.

Expansion into new markets could lead to operational challenges and competition.

Transition to a combined health plan model may face integration challenges.

Differentiation

Sana offers $0 healthcare options, virtual care, and comprehensive health plans.

The company simplifies benefits management for small businesses, enhancing user experience.

Sana's high customer retention rate indicates strong customer satisfaction and loyalty.

Upsides

Expansion into Alabama and Wisconsin opens new markets and revenue opportunities.

Partnership with Miga enhances cardiovascular care, attracting more small business clients.

$60 million Series B funding supports technology investment and market expansion.

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