Senior Software Engineer

Greenhouse · Ontario · Engineering

Posted 2026-09-19

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Greenhouse is searching for a Senior Software Engineer to join our team!

As a member of the Greenhouse Engineering team, you will actively contribute to a swift software release cycle building products that make hiring work for everyone! You'll join as a Senior Software Engineer to own high complexity, often ambiguous projects end to end. Partnering closely with your manager, product, and design, you’ll provide technical guidance and mentorship across the team and bring real fluency building with AI/agentic tools.

Learn more about our engineering culture here!

Who will love this job

A mentor - you're passionate about guiding and developing your peers, always ready to share your knowledge, lead projects, and contribute to the team's collective success

A doer – you're driven to get things done, act with agility, and adapt seamlessly to dynamic environments

A Pragmatic Architect – you have a strong bias for action and you evaluate trade-offs between performance and maintainability, choosing patterns that simplify complexity for the long term

A problem solver – you think about the bigger picture, connect the dots, and efficiently resolve issues

An excellent communicator – you have a knack for explaining technical processes concisely (even to non-engineers), and work well with cross-functional teams

An AI fluent engineer – you already use tools like Claude to move faster, and you're excited to build on that experience

What you’ll do

Collaborate closely with Product Managers and Designers to define requirements and drive product development from conception to launch

Lead the planning and execution of projects within your triad (Product Manager, Designer, and Engineering Lead), effectively scoping and prioritizing work

Contribute across the entire software development lifecycle,  including implementation, delivery, technical project/product management, and production support

Develop clean, efficient, maintainable, and scalable production code for our core services

Work cross-functionally with engineering teams to deliver new features and enhancements

Mentor and guide junior and mid-level engineers, fostering their growth and development

Actively participate in and lead team meetings, such as stand-ups, grooming sessions, and retrospectives, to ensure effective communication and progress

Conduct thorough code reviews, providing constructive feedback to peers to uphold code quality and best practices

Maintain and improve code quality through comprehensive testing and debugging

Add agentic capabilities to the hiring pipeline

You should have

5+ years experience in contributing production code (required)

Experience leading or owning projects and driving them to completion (required)

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, a plus

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

Applicants must be legally eligible to work in Canada as of the start date chosen by the Company. We are unable to support sponsorship at this time.

For purposes of processing or administering your employment relationship, personal information that you provide to the Company may be transferred to and accessed by an affiliate in the United States or elsewhere, or to agents and contractors (such as payroll companies, insurance companies, information technology consultants, etc.) that provide services to the Company.

The national pay range for this role is $129,000 - $164,500 CAD. Individual compensation will be commensurate with the candidate's experience and qualifications. Certain roles may be eligible for additional compensation, including stock option awards, bonuses, and merit increases. Additionally, certain roles have the opportunity to receive sales commissions that are based on the terms of the sales commission plan applicable to the role.

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