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HomeCompaniesHamsterSenior Javascript Engineer

Senior Javascript Engineer

Hamster · San Francisco · Hybrid · Active · Ashby

Job facts

FieldValue
CompanyHamster
TitleSenior Javascript Engineer
Normalized title-
Department / teamEngineering / Engineering
LocationSan Francisco, CA, United States
Work modelHybrid / Hybrid
Employment typeFull Time
Salary-
Statusactive
ATS providerAshby
Posted / first seen / 2026-05-29
Changed / last seen2026-05-29 / 2026-06-06

Related slices

PageWhat it containsOpen
Company jobsActive postings from Hamster.Open
Company breakdownsRole, location, ATS, and work model facets for this company.Open
ATS provider jobsActive postings observed through Ashby.Open
Provider filtered searchThe same provider as a filtered job collection.Open
City jobsActive postings in San Francisco.Open
Department jobsActive postings in Engineering.Open
Work model jobsActive Hybrid postings.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyHamster
Source10db27eb-f9f9-4aa1-89ea-b9b8e0cf6b54
ATS providerAshby

Description

You will need a strong background in modern JavaScript frameworks and a deep understanding of full-stack development. You will be instrumental in designing, developing, and maintaining scalable and high-performance applications, with a particular focus on integrating cutting-edge AI capabilities. Responsibilities Lead the design, development, and deployment of complex web applications using Next.js and NestJS. Develop robust and efficient backend services with Node.js, interacting with PostgreSQL databases. Implement and maintain real-time messaging solutions. Apply expertise in AI prompt engineering to optimize interactions with large language models. Contribute to the training and fine-tuning of machine learning models. Develop and integrate features related to embedding, chunking, and Retrieval Augmented Generation (RAG). Write clean, maintainable, and well-documented code in TypeScript. Collaborate closely with product managers, designers, and other engineers to define, design, and ship new features. Mentor junior engineers and contribute to best practices within the team. Participate in code reviews to ensure code quality and adherence to standards. Required Skills and Qualifications Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. 5+ years of experience as a JavaScript Engineer, with a focus on full-stack development. Proficiency in TypeScript. Strong experience with PostgreSQL. Extensive experience with Next.js for front-end development. Demonstrated experience with NestJS for backend development. Proven experience with AI prompt engineering. Familiarity with model training concepts and practices. Experience implementing and managing real-time messaging systems. Understanding and practical application of embedding and chunking techniques. Experience with Retrieval Augmented Generation (RAG) implementation. Solid understanding of software design principles, data structures, and algorithms. Excellent problem-solving skills and attention to detail. Strong communication and interpersonal skills. Preferred Qualifications Experience with cloud platforms (AWS, Azure, GCP). Familiarity with containerization technologies (Docker, Kubernetes). Experience with testing frameworks (e.g., Jest, React Testing Library).

Full job record

Job ID2c72ae0fc55040e09065d4ee2d0a41be6522a951
Org ID1cbea026-8c70-43e4-8125-ca6b6e61b204
Source ID10db27eb-f9f9-4aa1-89ea-b9b8e0cf6b54
Board ID10db27eb-f9f9-4aa1-89ea-b9b8e0cf6b54
Providerashby
Provider Job Key32526e80-82c9-45ce-a0a2-ad8810452f1d
TitleSenior Javascript Engineer
Normalized Title
Statusactive
Activeyes
Location TextSan Francisco
DepartmentEngineering
TeamEngineering
Employment Typefull_time
Workplace Typehybrid
Remote Policyhybrid
CountryUnited States
RegionCA
CitySan Francisco
Salary Raw
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://jobs.ashbyhq.com/hamster/32526e80-82c9-45ce-a0a2-ad8810452f1d
Apply URLhttps://jobs.ashbyhq.com/hamster/32526e80-82c9-45ce-a0a2-ad8810452f1d/application
First Seen At2026-05-29 05:17:49Z
Last Seen At2026-06-06 19:14:51Z
Last Checked At2026-06-06 19:14:51Z
Last Changed At2026-05-29 05:17:49Z
Inactive At
Source Posted At
Source Updated At
Raw Payload Uris3://job-postings-prod-raw-590183727216/raw/provider=ashby/board=hamster/date=2026-06-06/2026-06-06T19-14-50-628Z-5c18dbe075342115310b537bc8f639cd3db084c5a5701b5638b4c970b627e39d.json
Event Fields
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  "last_changed_at": "2026-05-29T05:17:49.555Z",
  "active_status": "active"
}
Parsed Structured
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  "remote_policy": "hybrid",
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  "salary_currency": null
}
Extensions
{}
Native Structured
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  "address": null,
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  "isListed": true,
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  "location": "San Francisco",
  "updatedAt": null,
  "apiVersion": "ashby-non-user-graphql-v1",
  "department": "Engineering",
  "publishedAt": null,
  "workplaceType": "Hybrid",
  "employmentType": "FullTime",
  "secondaryLocations": [
    {
      "location": "Auckland"
    }
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}
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GET https://api.bluedoor.sh/job-postings/v1/orgs/1cbea026-8c70-43e4-8125-ca6b6e61b204JSON
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