Senior Software Engineer - Hybrid, 4-Day Summer Weeks

CARFAX, Inc.; London; Hybrid; CAD 93,000 - 139,000; Full time

Benefits offered by this job

401(k) / DCPP matching

Annual bonus program

4-day summer work weeks

Casual, dog-friendly office

Competitive benefits

Job summary

CARFAX, Inc. in London, Ontario, is seeking a Senior Software Engineer to join a fast-paced, mission-driven team.

The role focuses on building high-quality, scalable systems with a strong emphasis on architecture, security, and performance across full-stack technologies. Expect collaborative, cross-functional work with PMs, architects, and operations in a hybrid model requiring 2 days per week in the London office.

Qualifications

• 5+ years in software design and development of complex systems.
• Full Stack experience with front-end and back-end technologies.
• Experience with REST or GraphQL APIs and modern frontend libraries.
• Experience with Kubernetes, Docker and cloud services (AWS).
• Knowledge of SQL and NoSQL databases and CI/CD pipelines.
• Ability to lead, mentor engineers and work in a matrix environment.

Responsibilities

• Develop high-performing, robust code for complex systems in a modern stack.
• Collaborate with Architects, UX designers, PMs, and support teams.
• Participate in design decisions, research new technologies, and prototype.
• Apply testing, CI/CD, and monitoring to ensure quality and reliability.
• Contribute to architecture, security, and performance improvements.
• Mentor colleagues and share knowledge across guilds and teams.

Skills

Full Stack software development

Leadership & mentoring

Matrix team collaboration

Agile / Scrum practices

High-performance coding

System design & architecture

Tools

Kubernetes

Docker

GitLab CI/CD

AWS

REST / GraphQL

MySQL / Mongo / DynamoDB / Elasticsearch

Job description

CARFAX, Inc. in London, Ontario, is seeking a Senior Software Engineer to join a fast-paced, mission-driven team.

The role focuses on building high-quality, scalable systems with a strong emphasis on architecture, security, and performance across full-stack technologies. Expect collaborative, cross-functional work with PMs, architects, and operations in a hybrid model requiring 2 days per week in the London office.