Maintains and improves Firefox’s Layout code across CSS, page layout, APZ, text, and images. Responsibilities include fixing bugs and regressions, keeping tests green, diagnosing cross-platform issues, conducting code reviews, handling routine upkeep, and participating in planning and web-compatibility meetings. The role requires independent technical leadership in a large, mature, multithreaded C++ codebase.
You will take on the ongoing maintenance and routine engineering work in Firefox’s Layout area (CSS, page layout, APZ, text, images). Working independently at a tech-lead level, you keep the Layout code healthy.
Responsibilities- Own day-to-day Layout maintenance: fix bugs and regressions, keep tests green, handle incoming issues.
- Diagnose and fix Layout problems across platforms (Windows, macOS, Linux, Android).
- Carry code review and routine upkeep so the FTE engineers can focus on other mission critical projects. .
- Join planning and standards / web-compat meetings as needed.
Definition of done
A healthy Layout area, backlog and regressions kept down, with the team’s senior engineers freed to focus on critical Performance and Security issues.
Required qualifications
- Strong C++ (JavaScript and/or Rust a plus).
- Solid CSS and page-layout knowledge.
- Strong debugging and optimization in a multithreaded codebase.
- Able to work independently and lead technically in a large, mature codebase.
- Prior experience in web browser architecture and development.
- Prior Web standards experience.
- Mobile web development, profiling and debugging skills a plus.
- Proven experience in utilization of AI tools (Claude, ChatGPT, etc.) in the investigation, development, debugging, and/or testing of code is a plus.
Hiring Ranges:
Canada Tier 1 Locations
$185,045—$217,700 CAD
Canada Tier 2 Locations
$131,400—$154,600 CAD
Similar Jobs
Cloud • Information Technology • Security • Software • Cybersecurity
Drive new business for Cloudflare’s Enterprise services across Eastern Canada. Develop territory plans, identify target accounts, build sales pipelines, present technical value propositions, negotiate contracts, achieve revenue targets, maintain strategic customer and partner relationships, and engage stakeholders from technical teams through senior executives.
Top Skills:
Cloud SolutionsCloudflareComputer NetworkingCybersecurityIaasInternet InfrastructurePaasSaaS
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
Leads health technology assessment, value, and evidence strategy for Pfizer’s genitourinary oncology portfolio. Manages HEOR, real-world evidence, economic models, global value dossiers, registries, and evidence dissemination to support reimbursement and patient access. Partners with global, regional, country, and cross-functional oncology teams, oversees vendors and project teams, and communicates findings through publications and conferences.
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Leads business systems analysis and data engineering support for military sustainment digital services. The role gathers and documents requirements, maps workflows, defines reporting and data needs, supports ETL/ELT, SQL analysis, integrations, dashboards, testing, governance, and implementation readiness. It partners with government, program, supplier, operational, product, and technical stakeholders to improve readiness and operational performance, while mentoring junior analysts and maintaining requirements, process, data, and delivery documentation.
Top Skills:
AgileAmazon RedshiftAPIsAWSAzure SynapseConfluenceData ModelingDatabricksEtl/EltGitJIRALookerMiddlewarePower BIQlikSnowflakeSplunkSQLTableau
What you need to know about the Ottawa Tech Scene
The capital city of Canada and the nation's fourth-largest urban area, Ottawa has proven a rapidly growing global tech hub. With over 1,800 tech companies, many of which are leaders in their sectors, the city's tech talent now makes up more than 13 percent of its total workforce. This growth is driven not only by the big players like UL Solutions and Dropbox, but also by a thriving startup ecosystem, as new businesses emerge to follow in the footsteps of those that came before them.
