Harness Engineering jobs

Senior Data Scientist

Varite, Inc · Posted Nov 5, 2026

Open

Tampa, Florida, United States
Contract · Senior
$57–$61 per hour
8–10 years

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Senior Data Scientist

Varite, Inc · Posted Nov 5, 2026

Open

Tampa, Florida, United States
Contract · Senior
$57–$61 per hour
8–10 years

Apply with Referso

Senior Agentic AI Architect

Diverse Lynx · Posted Nov 5, 2026

Open

Tampa, Florida, United States
On-site
Contract · Senior
$65 per hour

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Senior Agentic AI Architect to design, build, and deploy enterprise-grade AI assistants and intelligent automation solutions using AWS AgentCore and Bedrock.

Compensation

Rate: $65/hr

Responsibilities

Agentic AI Development: Design and build intelligent AI agents capable of reasoning, planning, tool execution, and managing complex workflows with minimal human intervention.
AWS AgentCore (Mandatory): Hands-on experience building and deploying agents using AWS AgentCore, including Runtime, Memory, Gateway, Identity, Policy, and Observability capabilities.
Context Engineering (Mandatory): Design effective context management strategies covering memory retrieval, conversation summarization, knowledge injection, prompt versioning, and context window.

Skills

AWS AgentCore Context Engineering Harness Engineering AWS Bedrock Agentic AI Development

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Member of Technical Staff

Slingshot AI · Posted Nov 5, 2026

Open

London, England, United Kingdom +1 more
3+ years

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Member of Technical Staff focused on Machine Learning, responsible for shipping models, training infrastructure, harnesses and evals end-to-end for Ash.

Locations (2)

London, England, United Kingdom
New York City, New York, United States

Compensation

Competitive compensation (top of personal market) and meaningful equity

Responsibilities

Ship models, training infrastructure, harnesses and evals end-to-end
Design, build, and launch tech that differentiates Ash as a specialized model for mental health
Own and deliver value to users
Build feedback loops over features and learn from production performance
Collaborate closely with a small in-person team

Skills

LLMs fine-tuning harness engineering

Senior Agentic AI Architect

Artech LLC · Posted Nov 3, 2026

Open

Tampa, Florida, United States
On-site
Full-time · Senior
$55–$60 per hour
8–10 years

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Design and build intelligent AI agents capable of managing complex workflows and overseeing the full development lifecycle.

Compensation

Pay Rate: $55-$60/hr on W2/C2C

Responsibilities

Design and build intelligent AI agents
Integrate enterprise knowledge sources
Develop secure, scalable solutions on AWS
Own the complete development lifecycle
Implement testing and observability

Skills

AWS AgentCore Context Engineering Harness Engineering Python Multi-agent orchestration Proactive AI automation Enterprise knowledge ingestion RAG techniques EKS Docker

Senior Data Scientist

Senior Data Scientist

Compensation

Responsibilities

Requirements

Skills

Senior Agentic AI Architect

Compensation

Responsibilities

Skills

Member of Technical Staff

Locations (2)

Compensation

Responsibilities

Skills

Senior Agentic AI Architect

Compensation

Responsibilities

Skills

Benefits