Software Engineer III

Guidewire Software•Mississauga, ON

2d•CA$108,000 - CA$135,000•Remote

About The Position

We are growing our engineering team and are looking for an experienced, product-minded Software Engineer to help build and scale our platform. This role is ideal for someone who enjoys ownership, values clean and reliable systems, and thrives in a fast-moving, collaborative environment. Our technology stack includes Python, FastAPI, TypeScript, React, and AWS. At Guidewire, we foster a culture of curiosity, innovation, and responsible use of AI—empowering our teams to continuously leverage emerging technologies and data-driven insights to enhance productivity and outcomes. On the ProNavigator team at Guidewire, we’re tackling unique and complex challenges every day. You’ll collaborate closely with talented colleagues as we build a leading-edge platform and help our clients do their best work. Our culture is grounded in hard work, creativity, collaboration, and high performance. We’re looking for teammates who are curious, willing to try new things, comfortable sharing their opinions, able to move fast, and eager to think creatively.

Requirements

5+ years of experience building, shipping, and operating SaaS or enterprise web applications in production environments.
Strong proficiency in Python and/or TypeScript, with experience working across modern web stacks.
Hands-on experience building and operating platform software using Kubernetes, and cloud-native services, ideally on AWS.
Familiarity with infrastructure-as-code and observability tooling.
Deep commitment to software engineering best practices, including automated testing, CI/CD, code reviews, and clean, maintainable code.
Excellent communication skills with the ability to clearly articulate technical concepts to both technical and non-technical audiences.
A continuous-learning mindset and curiosity to evaluate and adopt new tools or technologies when they deliver meaningful value.
Demonstrated ability to embrace AI and apply it to your current role as well as data-driven insights to drive innovation, productivity, and continuous improvement.
Engineers who take ownership, collaborate openly, and are motivated by building systems that make a real impact for users.

Responsibilities

Design, build, and ship well-tested, high-quality code across both front-end and back-end services.
Design and implement new platform capabilities and continuously improve existing systems.
Optimize performance, reliability, and scalability as our customer base and data volumes grow.
Improve CI/CD pipelines, deployment processes, and observability to support rapid and safe iteration.
Review code and collaborate with team members to elevate engineering quality across the team.
Actively contribute to our engineering culture through shared learning, technical discussions, and continuous improvement initiatives.