Senior Full Stack Engineer, Sponsored Ads

Chewy•Boston, MA

3d•Hybrid

About The Position

Our Opportunity: Chewy's Sponsored Ads business is growing rapidly, and we're looking for an experienced Senior Full Stack Engineer to help drive the evolution of our advertising platform. This role focuses on building scalable, high-performance systems that power key ad capabilities for both advertisers. You'll lead frontend development efforts, mentor junior engineers, and play a critical role in shaping one of Chewy’s fastest-growing revenue streams. As an experienced Software Engineer with a background in frontend and full-stack development. You excel in working on backend and frontend services with technologies like Typescript, Python, Java and both SQL/NoSQL databases. You have expertise in CI/CD pipelines (Jenkins), cloud environments (AWS), and authentication services. Your hands-on experience and track record ensure you can build and ship new applications or features to existing applications, quickly and efficiently. Launched in 2022, Chewy's Sponsored Ads platform enables vendors to promote their products on-site and offsite, significantly contributing to Chewy’s revenue growth. The Ads Demand team owns the frontend and backend of the Advertiser portal which enables advertisers create, manage and optimize their ad campaigns. We are based in Boston and Seattle.

Requirements

Bachelor's degree in Computer Science or related field (or equivalent experience).
5-10 years of experience as a Software Engineer, with a strong focus on backend development using modern languages and frameworks including Typescript, Java, Python, SpringBoot, NextJS and React
Proven experience building scalable, highly available systems.
Experience integrating AI/ML models working alongside Data Science team.
Ninja coding and debugging skills
Passion for data-driven development, observability, and metrics.
Knowledge of professional software engineering practices including coding standards, code reviews, source control, build processes, testing, and operations
Solid understanding of CS fundamentals: object-oriented design, algorithms, and problem-solving
Excellent verbal and written communication skills.

Nice To Haves

Experience in Ad Tech and/or e-commerce.
Experience with Scrum, XP or other agile methodologies.
Experience with full stack development
Familiarity with AWS cloud services, including serverless computing, data processing, and storage solutions.

Responsibilities

Lead project delivery and system architecture for full stack services, while mentoring junior engineers and promoting engineering excellence across the team.
Design and implement scalable, low-latency services in Typescript, Java, Python, powering core advertising capabilities such as auction processing, targeting, and performance tracking.
Develop robust and well-documented RESTful APIs to support campaign management, reporting, and integration with advertiser-facing tools.
Build resilient systems with strong observability, leveraging automated testing, monitoring, and CI/CD pipelines using infrastructure-as-code tools like Terraform.
Collaborate closely with product managers, data scientists, and fellow engineers to build systems that support real-time and asynchronous workflows.
Drive technical design reviews, conduct code reviews, and lead initiatives to improve platform reliability, performance, and scalability.
Take ownership of project estimation and delivery, partnering with stakeholders to deliver high-impact features that enhance the advertiser and customer experience on the Chewy Ads platform.

Benefits

401k
new hire and annual equity grant
annual bonus
medical/Rx insurance
vision insurance
dental insurance
life insurance
disability insurance
hospital indemnity insurance
critical illness insurance
accident insurance
parental leave
family services benefits
backup dependent care
flexible spending accounts
telemedicine
pet adoption reimbursement
employee assistance program
10% off pet insurance
20% off at Chewy.com
unlimited PTO, subject to manager approval
six paid holidays per year
paid sick and family leave in compliance with applicable state and local regulations