# Senior Engineer, Knowledge Systems

**Company:** [Justworks](https://hotfix.jobs/companies/justworks)
**Location:** New York, NY
**Role:** Backend Engineering
**Salary:** $168k – $235k/yr
**Experience:** 7+ years
**Skills:** Go, Ruby on Rails, JavaScript, MySQL, Redis, Elasticsearch, Kafka, Temporal, AWS, Kubernetes, Docker, Terraform, Headless Cms, RAG, Contentful
**Posted:** 2026-04-29

> Builds foundational backend infrastructure for structured knowledge storage, headless CMS, APIs, and AI integrations. Partners with design/product teams; requires 7+ years experience in APIs, content systems, search, and leading complex implementations.

## Job Description

## Responsibilities

- Design and build foundational infrastructure for structured knowledge storage, versioning, and retrieval
- Partner with Content Design, Product, and Engineering to translate knowledge architecture into technical systems
- Stand up and configure headless CMS implementing knowledge operating model
- Develop APIs and services exposing structured knowledge to internal tools, AI assistants, and products
- Build integrations between knowledge systems and AI tooling, including RAG architectures
- Prototype with Git-based content, markdown workflows, and developer-friendly authoring
- Collaborate to identify opportunities for structured knowledge in product workflows and AI
- Evaluate and recommend technologies for knowledge storage and delivery
- Establish patterns for content versioning, governance, and metadata management
- Support internal enablement needs like SOPs, policies, decision trees
- Iterate on architecture as systems mature

## Technologies Used

**Core stack:**
- Golang, Ruby on Rails, JavaScript
- MySQL, Redis, ElasticSearch
- Kafka, Temporal
- AWS infrastructure
- Git, GitHub, Docker, Kubernetes, Terraform, CircleCI, DataDog

**Helpful experience:**
- Headless CMS (Contentful, Sanity, Strapi)
- Git-based content workflows, markdown repositories
- Knowledge retrieval systems, RAG architectures
- Search and indexing systems
- API-driven content platforms

## Qualifications

- 7+ years as software engineer building production systems
- Strong experience designing APIs and backend services for multiple consumers
- Experience with structured content systems, CMS, or knowledge management infrastructure
- Leading technical implementation of complex systems, coordinating engineers
- Designing/integrating information retrieval or search systems
- Familiarity with AI tooling, integrating LLM workflows with structured knowledge
- Designing systems modeling entity/policy relationships
- Strong collaboration with non-engineering partners
- Operate autonomously in ambiguous spaces

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**Apply:** https://hotfix.jobs/jobs/79a514a7-632f-4ff7-8691-67f9f18dbd96
**Canonical:** https://hotfix.jobs/jobs/79a514a7-632f-4ff7-8691-67f9f18dbd96