Senior Full Stack Engineer (Frontend Emphasis) — Lyft Ads chez Lyft

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive.

Lyft Ads is one of Lyft’s fastest-growing and most strategic businesses. Our mission is to build the world’s largest mobility media network - enabling brands to engage riders and drivers throughout their journeys and beyond.

We’re looking for a Senior Full-Stack Engineer with a strong frontend focus to help define and build the next generation of self-serve advertising tools. This role is ideal for someone who cares deeply about frontend architecture, user experience, and developer ergonomics, while still enjoying full-stack ownership and system-level thinking.

The Ads Campaign Management team owns the end-to-end campaign lifecycle for Lyft Ads - from planning and setup to optimization, troubleshooting, reporting, and billing. We build high-impact, in-house ad tech platforms that power both internal operations and external advertiser experiences at scale.

Our systems sit at the intersection of advertiser intent and ad delivery. We partner closely with teams across Ads Formats, Creatives, Audiences, Forecasting, Measurement, and Reporting to ensure our tooling is reliable, scalable, compliant, and delightful to use.

Why Lyft Ads?

• Build foundational products for one of Lyft’s most strategic growth areas
• Work on complex, real-world systems operating at meaningful scale
• Partner with strong product, design, and data teams
• Grow as a technical leader in a supportive, inclusive engineering culture
• See your work directly impact advertisers, brands, and Lyft’s business

Responsibilities:

• Lead the design and development of modern, high-quality frontend experiences for advertiser-facing and internal tools, with a strong focus on usability, performance, accessibility, and maintainability
• Own full-stack features end-to-end, collaborating closely with product managers, designers, and data partners to translate complex requirements into intuitive workflows
• Set frontend engineering standards and architecture, influencing patterns, tooling, testing strategy, and long-term technical direction across the team
• Mentor and support mid-level and junior engineers, providing thoughtful code reviews, technical guidance, and career growth support
• Drive operational excellence, helping automate workflows, reduce manual effort, and improve the reliability and scalability of campaign management systems

Experience:

• BSc/MSc in Computer Science, Computer Engineering, or equivalent practical experience.
• 5+ years of industry experience in frontend or full-stack engineering roles, with a demonstrated emphasis on frontend development.
• Proven experience building modern, production-grade frontend applications, ideally using React, TypeScript, Next.js, or similar frameworks.
• Strong command of frontend fundamentals: JavaScript/TypeScript, HTML, CSS, accessibility (a11y), performance optimization, and component architecture.
• Experience designing and consuming APIs (REST, GraphQL) and collaborating closely with backend services.
• Comfort working in a fast-paced, evolving environment, balancing technical excellence with delivery.
• Experience building or contributing to cloud-based systems (AWS) and collaborating within CI/CD and DevOps-enabled teams.
• Familiarity with distributed systems concepts, microservices, and data stores (SQL/NoSQL); hands-on backend expertise is a plus.

Preferred Experience:

• 2+ years of experience in Ads domain
• Familiarity with the main aspects required for a successful campaign - including, but not limited to Audiences, Creatives, Measurement, Forecasting, Ad Serving, Reporting, Billing, and OMS.
• Working knowledge of AI/ML/GenAI technologies and technique and apply them to the ad campaign lifecycle such as operations,forecasting,budgeting, creatives and sales processes.

Benefits:

• Extended health and dental coverage options, along with life insurance and disability benefits
• Mental health benefits
• Family building benefits
• Child care and pet benefits
• Access to a Lyft funded Health Care Savings Account
• RRSP plan to help save for your future
• In addition to provincial observed holidays, salaried team members are covered under Lyft's flexible paid time off policy. The policy allows team members to take off as much time as they need (with manager approval). Hourly team members get 15 days paid time off, with an additional day for each year of service 
• Lyft is proud to support new parents with 18 weeks of paid time off, designed as a top-up plan to complement provincial programs. Biological, adoptive, and foster parents are all eligible.
• Subsidized commuter benefits

Lyft is committed to creating an inclusive workforce that fosters belonging. Lyft believes that every person has a right to equal employment opportunities without discrimination because of race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, disability, pardoned record of offences, or any other basis protected by applicable law or by Company policy. Lyft also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.  Accommodation for persons with disabilities will be provided upon request in accordance with applicable law during the application and hiring process. Please contact your recruiter if you wish to make such a request.

Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule — Team Members will be expected to work in the office at least 3 days per week, including on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #Hybrid

The expected base pay range for this position in Toronto area is CAD $108,000 - CAD $135,000, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.