Software Engineer, Staff: Applied AI, Science & Engineering

engineeringjobs.net, Inc.; Seattle (WA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Generous vacation

Parental leave

Flexible working hours

Office space

Optional equity donation matching

Job summary

engineeringjobs.net, Inc. seeks a senior software engineer to build and harden agent harnesses, research workflows, and tool integrations. You will partner with experts to prototype, deploy, and communicate model performance across teams in Seattle, WA.

The role requires a strong background in software engineering, large language models, and customer-focused collaboration, with a bachelor’s degree or equivalent experience. Competitive compensation and flexible work options are offered.

Qualifications

• Requires 8+ years of software-building experience.
• Experience building systems with large language models.
• Bachelor's degree or equivalent combination of education, training, and experience is required.

Responsibilities

• Build and harden agent harnesses, research workflows, and evaluations.
• Prototype and deploy solutions, create reusable tools and processes.
• Communicate model performance and limitations to internal teams and stakeholders.

Skills

Software Engineering

Large Language Models

Agent Development

Tool Integration

Evaluation Design

Scientific Computing

Simulation

Numerical Methods

Optimization

Data Pipelines

Full-Stack Development

Research Workflows

Partner Engagement

Technical Communication

Rapid Prototyping

Systems Engineering

Education

Bachelor's degree or equivalent

Job description

Build and harden agent harnesses, research workflows, scientific tool integrations, and evaluations that enable Claude to perform verifiable science and engineering work. Work directly with partner experts to define problems, prototype and deploy solutions, create reusable tools and processes, and communicate model performance and limitations to internal teams and stakeholders.

Requirements: Requires 8+ years of software-building experience, strong engineering fundamentals across the stack, experience building systems with large language models, and the ability to work effectively with expert users. Relevant science or engineering experience, zero-to-one delivery experience, sound judgment about verification, and clear communication are important; a bachelor's degree or equivalent combination of education, training, and experience is required.

Key Skills: Software Engineering, Large Language Models, Agent Development, Tool Integration, Evaluation Design, Scientific Computing, Simulation, Numerical Methods, Optimization, Data Pipelines, Full-Stack Development, Research Workflows, Partner Engagement, Technical Communication, Rapid Prototyping, Systems Engineering

Benefits: Competitive Compensation, Optional Equity Donation Matching, Generous Vacation, Parental Leave, Flexible Working Hours, Office Space