Software Engineer III

Chewy • Boston, MA

4d

About The Position

The Promotions team is responsible for building best-in-class tools and services that power high-quality, engaging promotion experiences for both shoppers and vendors across the entire customer journey—from promo creation and discovery to redemption and post-order workflows. As a Software Engineer III, you will design, enhance, and build scalable solutions that power critical partner and internal workflows. As a full-stack engineer, you will work across user-facing applications, backend services, and data-driven systems to solve complex business problems. You will take ownership of complex features end-to-end, influence system design, and drive engineering standard methodologies while mentoring Team Members and collaborating with multi-functional collaborators.

Requirements

• Bachelor’s degree in computer science, Computer Information Systems, or related field with 7+ years of software development experience (or Master’s degree with 5+ years of experience)
• Strong programming skills with experience in Java, and/or Kotlin
• 5+ years of experience building enterprise software applications using frameworks such as Spring Boot or WebFlux
• 5+ years of experience building and operating APIs and microservices in distributed systems
• 4+ years of experience working with SQL/NoSQL databases (e.g., PostgreSQL)
• 3+ years of experience with frontend technologies including JavaScript, HTML, and CSS
• Experience designing services and architecture aligned to standard processes and scalability requirements
• Hands-on experience with AWS cloud (EKS, Lambda, S3, RDS) and infrastructure as code (Terraform)
• Experience with CI/CD pipelines (Jenkins or similar)
• Experience with automated testing frameworks (e.g., Playwright)
• Strong understanding of algorithms, data structures, and system design
• Experience building high-performing, scalable systems in production environments
• Proven ability to provide technical leadership and mentor Team Members
• Experience fixing, triaging, and resolving production issues

Nice To Haves

• Experience developing user interfaces using React.js, including component design, state management, and API integration
• Experience working on enterprise or workflow-driven platforms
• Experience in e-commerce or retail domains
• Experience using GenAI tools (e.g., Cursor, Codex)
• Exposure to observability tools (Dynatrace, OpenTelemetry)

Responsibilities

• Design, build, and enhance high-complexity components and platforms with a focus on scalability, maintainability, performance, and resiliency
• Develop and integrate APIs and backend services using Java, or Kotlin in distributed systems environments
• Build and enhance user-facing components using modern web technologies (React, JavaScript, HTML, CSS)
• Partner with technical and business teams across multiple initiatives to deliver features and enhancements
• Contribute to code quality and architecture guidelines, promoting standard methodologies across the team
• Guide engineers and advise collaborators on system improvements, optimizations, and trade-offs
• Act as a technical point of contact, communicating project status, risks, and solutions
• Collaborate to identify, isolate, and resolve production issues and system malfunctions
• Lead by example, mentoring engineers and influencing engineering practices and hiring standards
• Actively participate in Agile ceremonies (grooming, planning, demos, retrospectives)
• Participate in on-call rotations and drive operational excellence

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
• discounts including 10% off pet insurance and 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

What This Job Offers

• Job Type: Full-time
• Career Level: Senior