Contract Staff Software Engineer-FireFox Layout
$185.05k - $217.7k per yearMozilla
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.
Preferred
- 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
#J-18808-LjbffrVacancy posted 18 hours ago
Similar jobs that could be interesting for youBased on the Contract Staff Software Engineer-FireFox Layout in Toronto, ON vacancy
$150k - $200k per year
...complex problems end-to-end. Design, develop, and maintain complex software applications. Lead the technical design and architecture of... ...Nice to haves ~8+ years of varying experiences as a Software Engineer. ~ Proficient in Python , Django , TypeScript , and...SuggestedFull time$160k - $220k per year
...are too, let's talk. Opportunity As a Staff Engineer on the OIG team, you will be involved... ...challenge of building enterprise-grade software that millions of users depend on. This... ...platforms Familiarity with workflow engines or approval/routing systems (e.g., finite...SuggestedLocal areaWorldwide$160k - $220k per year
...code development. Position Description We’re hiring a Staff Full-Stack Engineer to join the Integration Builder team within Okta... ...Kubernetes. Exposure to low-code/no-code tools, workflow engines, or visual development platforms. Interest in AI-assisted...SuggestedLocal areaWorldwide- ...Staff Software Engineer The global capital markets are among the largest markets in the world valued at $50T+ and growing. Transactions in these... ...data processing pipelines Define clear, efficient API contracts and contribute to service architecture decisions Design and...SuggestedLong term contractFull timeWork at officeLocal areaFlexible hours
$140.6k - $190.6k per year
...Job Description The Staff Software Engineer provides technical leadership across the Cloud Cost Management and Reporting portfolio, including home grown built tools for cost reporting, forecasting, optimization, software inventory, and related internal engineering tools...SuggestedLong term contractFull timeWork at officeLocal areaFlexible hours$160k - $220k per year
...higher-order integration patterns as the ecosystem of connected software (including AI agents) continues to grow. It's core... ...looks like as much as building it. About the Role As a Staff Software Engineer on the OIN team, you'll be a technical leader for a platform...Long term contractLocal areaWorldwide$140k - $175k per year
...research with AI? Join our Global Westlaw Engineering organization and help shape the next... ...customers around the globe. As an AI Staff Engineer, you will help define and build... ...specifications; mentor senior and junior software engineers; champion MLOps and LLMOps practices...Full timeWork at officeLocal areaWorldwideFlexible hours- ...used by accountants on real client work every day. As a Lead Software Engineer (Staff Engineer), you will own core backend and AI orchestration... ...Strong background in distributed systems: data modeling, API contracts, observability, resilience patterns, and performance tuning...Long term contractFull timeWork at officeLocal areaFlexible hours
- ...layer of application code which needs to cover everything from functionality to routine updates. We’re looking for a senior software engineer who loves working at the boundary between product code and infrastructure. This is not a traditional DevOps or SRE role. You’ll...Permanent employmentFull timeSummer workInternshipWork at officeRemote workWork from home
Motion
Toronto, ON6 days ago - ...to connect! Brief overview of the Motion product Runneth from our Co-Founder & CEO, Reza Khadjavi . About the Senior Software Engineer role As a Senior Software Engineer, you'll work across the stack: building features, designing and maintaining the APIs and services...Permanent employmentFull timeSummer workInternshipWork at officeRemote workWork from homeShift work
Motion
Toronto, ON6 days ago $160k - $220k per year
...excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Staff Software Engineer, Device Identity (Java) Device Identity and Access Organization The Device Identity and Access organization is at the forefront...Long term contractLocal areaWorldwide$160k - $220k per year
...flexible. We encourage ownership. We expect great things from our engineers and reward them with stimulating new projects, new technologies... ...About the Position This is an opportunity for experienced Software Engineers to join our fast growing Data Platform organization that...Local areaWorldwideFlexible hours- ...Thomson Reuters is looking for a Staff Software Engineer, AI Product Engineering to help shape and build the next generation of AI-powered software for tax and accounting professionals. You will join the CoCounsel for Tax & Accounting organization, working in a fast-moving...Full timeWork at officeLocal areaFlexible hours
$160k - $220k per year
...higher-order integration patterns as the ecosystem of connected software (including AI agents) continues to grow. It's core... ...looks like as much as building it. About the Role As a Staff Software Engineer on the OIN team, you'll be a technical leader for a platform...Long term contractLocal areaWorldwide- ...work of your career. About the team Product and Risk Data Engineering is Stripe's single source of truth data engineering layer for Payments... ...bonus, not a requirement. Minimum requirements This is a Staff-level role — that typically means 10+ years of experience...
$160k - $220k per year
...shapes how developers experience identity. Software is increasingly built by developers... ...the one calling it. We're looking for an engineer who already builds with those skills. We... ...people. The opportunity We're hiring a Staff Software Engineer to build the platform surfaces...Local areaWorldwideShift work$160k - $220k per year
...codebase and architecture. Orchestrate and lead major technical projects, across teams as necessary. Mentor and coach less experienced engineers on sound engineering practices and technical leadership. Serve as a subject matter expert on all building scalable, reliable and...Local areaWorldwide$185k - $231.5k per year
...and Experience team is a product-focused engineering team responsible for one of the company's... ...About the Role We are looking for a Staff Backend Engineer to join our team. As a Staff... ...have deep experience applying AI in the software development ~ You are Product-Minded...Long term contractFull timeWork at officeLocal areaImmediate startRemote work$83.11k - $124.47k per year
...the Silicon in Silicon Valley. No one else is this obsessed with engineering a brighter future. Every day, we create world changing... ...Life at Intel ~ Diversity at Intel As a member of the Layout Team, you will be part of the team designing custom high speed analog...Full timeInternshipLocal areaWorldwide$140.6k - $190.6k per year
...We're looking for a Lead Engineer to join the CoCounsel Application Experience team and play a hands-on technical leadership role in building... ...includes: Technical Experience: 6+ years of professional software engineering experience building and shipping production web applications...Full timeWork at officeLocal areaFlexible hours$134.5k - $195.1k per year
...Competencies Typically 10+ years of progressive experience in software engineering, including experience leading large-scale technical... ...required Advanced degree preferred Responsibilities The Staff Software Engineer will serve as a senior technical leader within...Full timeInternship- ...career. About the team Risk Engineering builds the systems that... ...subsidiaries. What you'll do As a Staff Engineer on Financial Crimes... ...regulation into working software. Responsibilities Define... ...infrastructure, policy enforcement engines, and reviewer tooling...
$164.6k - $235.1k per year
...related to full funnel user acquisition and growth, including SEO user registration, onboarding, and account management. As a Staff Engineer (L5) on this team, you act as the technical leader for one or more Growth areas. You own the technical architecture and direction,...Long term contractRemplacementFull timeTemporary workWork at officeLocal areaFlexible hours2 days per week$185k - $231.5k per year
...About the Team DoorDash is building the world's most reliable on-demand, logistics engine for delivery! We're looking for experienced engineers to join our fast-growing engineering team to help us develop a 24x7, global infrastructure system that powers DoorDash’s three-...Full timeLocal area$164.6k - $235.1k per year
...About the Role: We are looking for a Staff Engineer to steer the technical evolution of our... ...clear system boundaries and integration contracts with adjacent platforms. Design interfaces... ...ambiguous requirements into working software that users see and trust. Bias toward iteration...Long term contractRemplacementFull timeTemporary workInternshipLocal areaFlexible hours$88k - $132k per year
...product teams, analysts, and other engineers to design and build systems and application software that enable a robust, usable API... ...Partners closely with a Senior Staff engineer on architecture and... ...providers/modules, docs outputs) using contract tests, golden tests, and spec...Contract workFull timeWork at office$140k - $175k per year
...Thomson Reuters products power professionals shaping the world across legal, tax, accounting, and audit. As a Lead Software Engineer AI (Staff Engineer AI) on Cloud Audit Suite, you will own backend and AI orchestration systems that transform frontier models into reliable,...Long term contractFull timeWork at officeLocal areaFlexible hours$140k - $175k per year
...Responsibility: About the team We are looking for brilliant staff DevOps engineers who have a passion for consumer products and want to join an... ..., and micro services are at the core of our stable of software that's reinventing mobility. Be a member of a small team of...Full timeWork at officeLocal areaRemote work$200k per year
...clutch.ca. About the Role Platform Engineering is becoming a strategic investment at Clutch... ...we're looking for our first dedicated Staff Platform Engineer to help define what... ..., and modern CI/CD platforms. ~ Strong software engineering mindset with experience building...Long term contractPermanent employmentFull timeTemporary workInternship3 days per week$109.4k - $191.5k per year
...It all started when engineer Fred Luddy wrote code that automated... ...operate cloud-native platforms for software validation, release validation... ...teams. The Role As a Staff SRE, you'll set the technical... ...management. Service virtualization, contract testing, and synthetic testing...Contract workPermanent employmentFull timeManual laborWork at officeImmediate startRemote workFlexible hoursShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Contract Staff Software Engineer-FireFox Layout. Be the first to apply!
Related searches
- contract process engineer Toronto, ON
- contract devops engineer Toronto, ON
- software support Toronto, ON
- software Toronto, ON
- software trainer Toronto, ON
- remote software Toronto, ON
- software qa Toronto, ON
- software asset management analyst Toronto, ON
- junior software developer .net Toronto, ON
- embedded software Toronto, ON