Lead, Frontend Engineer

Conductor; Toronto; Hybrid; CAD 100,000 - 120,000; Full time

Job summary

A leading software company in Toronto is seeking a Lead Frontend Engineer to enhance their product functionality and optimize performance. You will lead a team, collaborate on architectural designs, and ensure high code quality. The ideal candidate will have over 7 years of frontend development experience, with a strong focus on technical leadership and security best practices. This role offers a four-day work week and the flexibility to work from anywhere, promoting a healthy work-life balance.

Benefits

Four-day work week

Work from Anywhere policy

Inclusive company culture

Focus on mental wellness

Qualifications

• 7+ years of experience as a frontend engineer with a focus on leadership.
• Experience in optimizing performance for large-scale applications.
• Strong background in implementing cloud-based solutions.

Responsibilities

• Mentor and guide fellow engineers, enhancing team collaboration.
• Design and implement scalable frontend solutions.
• Address performance bottlenecks in applications.
• Ensure adherence to security best practices.

Skills

Frontend development

Technical leadership

Performance optimization

Security best practices

Cloud services

API integration

Automated testing

Problem-solving

Tools

REST APIs

Webpack

Job description

Our mission is to continuously build the best, easiest-to-use, and most reliable software that empowers the world’s large enterprises and governments to solve their most critical problems.

Sensei Labs is seeking a Lead Frontend Engineer. As a core member of an Agileteam, your primary focus will be on developing new features that directly impact our product's functionality. In this role, you’ll also serve as a key technical leader, advancing the front-end technology stack, optimizing performance, and enhancing developer workflows. Your expertise in front‑end frameworks, rendering techniques, and architecture will shape both the immediate feature delivery and the long‑term evolution of our product, ensuring high standards of code quality and scalability across projects.

What You’ll Do

• Leadership and Mentorship:Actively mentor and guide fellow engineers, creating opportunities for learning and growth. Foster a collaborative and inclusive team environment that encourages open communication, embraces diverse perspectives, and promotes continuous improvement.
• Architect and Implement Frontend Solutions:Design and build new frontend functionality that enhances our platform, focusing on modularity, scalability, and performance.
• Optimize Frontend Performance:Diagnose and address performance bottlenecks, ensuring smooth and efficient operation across large‑scale applications.
• Improve Developer Experience:Implement new tools, libraries, and frameworks to improve developer productivity, simplify workflows, and increase the quality of the front‑end codebase.
• Enhance Security Measures:Ensure the frontend adheres to security best practices, protecting against common vulnerabilities such as XSS and CSRF.
• Collaborate on System Architecture:Work with peers and major stakeholders to create and review technical designs, ensuring alignment between front‑end and back‑end systems.
• Drive Frontend Standards:Advocate for and implement new technologies and approaches that optimize the efficiency and scalability of the frontend architecture.
• Maintain High Code Quality:Regularly contribute to the front‑end codebase, performing thorough code reviews to maintain high standards in code organization, simplicity, and readability.
• Test Automation:Improve the front‑end and UI testing infrastructure, ensuring robust automated testing and continuous integration pipelines for front‑end deployments.
• Enhance User Experience:Collaborate closely with product designers and other stakeholders to create front‑end features that deliver a seamless user experience.
• Scale and Optimize:Improve tooling and infrastructure for measuring and optimizing frontend performance in real‑world scenarios.

What We’re Looking For

• Experience in Frontend Development:7+ years of experience as a frontend engineer or in a similar role, with a strong emphasis on technical leadership.
• Performance and Security Focus:Proven experience in optimizing rendering performance for large‑scale applications and ensuring security best practices in front‑end development.
• Cloud and API Knowledge:Solid experience with cloud‑based environments and REST APIs, with a deep understanding of how front‑end systems interact with back‑end services.
• Automated Testing and CI/CD:Experience in building and maintaining writing unit and integration tests and ensuring robust front‑end testing practices.
• Scalability and Modularity:Demonstrated ability to design and implement scalable frontend architectures with modular components and performance optimization techniques.
• Proactive Problem Solver:Ability to work autonomously and make the right technical decisions to drive the business forward.

What Will Set You Apart

• Open‑Source Contributions:A history of contributing to open‑source projects or supporting the broader software engineering community.
• Advanced Knowledge:Expertise in advanced front‑end topics such as Webpack configuration, tree shaking, code splitting, and state management techniques.
• Collaboration Skills:Strong ability to explain complex technical concepts to both technical and non‑technical stakeholders.
• Cloud and Infrastructure Understanding:Familiarity with cloud services such as GCP and Azure, an understanding of how front‑end performance ties into cloud infrastructure and service scalability.

About Sensei Labs and Conductor

Conductor® empowers transformative journeys for the world's largest companies, government agencies, professional service firms, and private equity funds by providing a single source of truth, accountability, and governance on their terms.

Our mission is to continuously build the best, easiest-to-use, and most reliable software that empowers the world’s large enterprises and governments to solve their most critical problems. Our team uses modern, award‑winning digital tools to orchestrate work and foster collaboration. We thoughtfully select our work orchestration stack to empower all team members to work in the most productive and efficient way possible.

Four things every Sensei LOVES

• Four Day Week (4DW):Every Sensei enjoys a highly productive four‑day work week with Fridays off—without the expectation of working ten‑hour days. We focus on improving productivity so we can achieve our work in four days instead of five. We believe this fosters a culture where work‑life balance and mental wellness are priorities. Our team loves it, and we hope you will, too!
• Work from Anywhere (WFA) policy:Our Senseis can work from anywhere in the world as long as they have a laptop and a reliable internet connection. We're proud to break the stereotype that work only gets done when people show up at an office.
• Living our SENSEI values:Everything we do is guided by our SENSEI values: Selfless, Empathetic, Nimble, Skilled, Entrepreneurial, and Integrity. These values inform every aspect of our work—from this job description to hiring and promotions.
• "No Email" policy:At Sensei Labs, we rely on our Conductor platform and Microsoft Teams for communication. We’ve eliminated all unnecessary internal emails.

We continue to build an amazing, diverse team and inclusive culture. Our competitive advantage is rooted in our team members’ unique perspectives and experiences. We encourage you to apply even if you don't have all the qualifications listed but want to bring new ideas and perspectives to augment our team.

We’re very proud of our team’s achievements and the culture we’ve built together. If you’d like to hear more from our team, you can check out ourCareers Page and our reviews on Glassdoor (4.9 ⭐s out of 50+ reviews!). You’ll see quotes such as “Fantastic team, great leadership”, “Great culture, very diverse, excellent work‑life balance,” and “Amazing team!”.

We're committed to ensuring equal access to employment opportunities for all qualified candidates, including candidates of color, women, 2SLGBTQI+ candidates, candidates with family caregiving responsibilities, Indigenous candidates, immigrant candidates, and differently‑abled candidates. If you require accommodation during the application or interview process, please let us know, and we’ll work with you to ensure you have a positive experience.