Senior Software Engineer — AI, Mentorship, Remote-First

greenhouse; United States; Remote; USD 92,000 - 118,000; Full time

Job summary

Greenhouse is seeking a Senior Software Engineer to own high-complexity projects end to end and mentor peers. You will collaborate with product and design to drive from conception to launch, and contribute across the full software lifecycle, delivering scalable core services.

You’ll work in a remote-first environment with opportunities to influence architecture, integrations, and agentic tooling. Strong skills in Ruby/JS stack and AI-enabled development are highly valued.

Qualifications

• 5+ years experience contributing production code.
• Experience leading or owning projects and driving them to completion.
• Experience with Ruby, C#, Java, or Python (Ruby preferred).
• Direct experience with AI and agentic software development (Claude code, Codex, etc).
• Strong understanding of Javascript or Typescript fundamentals, including React
• Experience working in the full stack.
• Strong understanding of architectural patterns.
• REST/web development experience.
• Experience partnering closely with Product and Design partners.
• Experience with Rails, preferred.
• Deep experience with integrations.
• Your own unique talents! If you don’t meet 100% of the qualifications outlined above, tell us why you’d be a great fit for this role in your cover letter.

Responsibilities

• Collaborate with Product Managers and Designers to define requirements and drive product development from conception to launch.
• Lead planning and execution of projects within triad (Product Manager, Designer, Engineering Lead).
• Contribute across the full software development lifecycle including implementation, delivery, and production support.
• Develop clean, efficient production code for core services.
• Work cross-functionally to deliver new features and enhancements.
• Mentor and guide junior and mid-level engineers.
• Lead team meetings to ensure progress and communication.
• Conduct thorough code reviews and provide constructive feedback.
• Maintain and improve code quality through testing and debugging.
• Add agentic capabilities to the hiring pipeline.

Skills

Production code (5+ yrs)

Project leadership

Ruby

C#

Java

Python

AI / agentic development

JavaScript/TypeScript

React

Full-stack

Architectural patterns

REST/Web

Rails

Integrations

Cross-functional collaboration

Claude

Codex

Tools

Claude

Codex

Job description

Greenhouse is seeking a Senior Software Engineer to own high-complexity projects end to end and mentor peers. You will collaborate with product and design to drive from conception to launch, and contribute across the full software lifecycle, delivering scalable core services.

You’ll work in a remote-first environment with opportunities to influence architecture, integrations, and agentic tooling. Strong skills in Ruby/JS stack and AI-enabled development are highly valued.