Senior Software Engineer

Sorry, this job was removed at 08:21 p.m. (CST) on Wednesday, Sep 17, 2025
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Boston, MA
Hybrid
eCommerce • Healthtech • Pet • Retail • Pharmaceutical
At Chewy, our mission is to be the most trusted and convenient destination for pet parents and partners, everywhere.
The Role
Our Opportunity:
Chewy is looking for a Senior Software Engineer to join our Outbound Simulation and Planning technology team. As a key member of a dynamic engineering team, you will lead the design, build scalable applications and manage large datasets to improve our customers' delivery experience and optimize Chewy's Fulfilment Operations. In this role, you will demonstrate your technical expertise to deliver robust engineering designs and implementations that align with business objectives. You will combine an understanding of software development, simulation, and data transformation. Additionally, you will a technical lead on complex initiatives work as part of a multi-functional team to develop the next-generation distributed simulation and predictive systems, tackling critical challenges within our fulfillment networks. The ideal candidate will understand our business goals, innovate rapidly, and deliver high-quality and high-impact functionality.
What You'll Do:
  • Design, develop and implement highly performant simulation systems with large data volumes.
  • Be responsible for delivering projects, designing systems, and mentoring junior engineers.
  • Participate in team's roadmap planning and estimation process, ensure project are delivered according to the estimation.
  • Write clean, maintainable, and efficient code following standard methodologies in software engineering. Ensure that all code is well-documented and undergoes rigorous peer review.
  • Advocate for and implement software engineering standard processes that enable automated testing and continuous integration/continuous deployment (CI/CD).
  • Leverage and champion operational excellence that enable system observability and alerting. Continuously measure system availability and optimize system performance.
  • Collaborate with multi-functional teams, including data scientists, product managers, and operational business collaborators, to deliver effective solutions that meet business objectives.

What You'll Need:
  • Bachelor's Degree (Computer Science, Engineering or related field) or equivalent work experience.
  • 8+ years of professional software development experience focusing on Python or Java.
  • Strong proficiency SQL, working with large datasets and data engineering.
  • Excellent problem-solving skills and the ability to work independently and deliver through others in a fast-paced environment.
  • Ability to simultaneously support multiple high priority projects in a fast-paced environment.
  • Proven ability to analyze business requirements and translate them into code.
  • Experience leading the design (data structures, algorithms, performance, reliability, and scalability) and development of new applications.
  • Proven experience building distributed, highly available and highly-performant systems
  • Experience designing and implementing scalable RESTful services and APIs.
  • Experience with containerization and configuration management.
  • Experience building high-quality systems, including unit and integration testing and continuous integration / continuous deployment (CI/CD) pipelines.
  • Experience with cloud-native technology stacks such as AWS, Azure, GCP
  • Excellent oral and written communication skills including collaboration with both technical and non-technical customers.
  • Strong time management and organizational skills.
  • Team-oriented and have a customer first approach.

Bonus:
  • Experience in supply chain tech and/or e-commerce domain.

We're building something special. Join us and help build the future. We'd love to hear from you!
#LI-SA2
Chewy is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, ancestry, national origin, gender, citizenship, marital status, religion, age, disability, gender identity, results of genetic testing, veteran status, as well as any other legally-protected characteristic. If you have a disability under the Americans with Disabilities Act or similar law, and you need an accommodation during the application process or to perform these job requirements, or if you need a religious accommodation, please contact [email protected].
To access Chewy's Customer Privacy Policy, please click here.
To access Chewy's California CPRA Job Applicant Privacy Policy, please click here.

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The Company
HQ: Boston, MA
17,800 Employees
Year Founded: 2011

What We Do

We view pets and pet parents as family and are obsessed with meeting their needs and exceeding customer expectations through every interaction. Behind the scenes, our talented teams are made up of innovators, delighters, big-thinkers and of course, passionate pet people—creating a place where you'll be empowered to build, grow and unleash your fullest potential.

We don’t just stand by our company mission—we’re obsessed with it. We seek to be the most trusted and convenient destination for pet parents and partners, everywhere. And we’re constantly finding new ways to do just that.

At Chewy, we understand pet parenthood is full of joyful highs and anxious lows. That’s why we’re here, standing alongside pet parents, providing everything their pets need for a happy, healthy life. We’re a leading online source for pet products, supplies, and prescriptions. We offer a broad selection of high-quality products and services at competitive prices with an exceptional level of customer care and a personal touch.

Since launching in 2011, we’ve combined the personalized service of your neighborhood pet store with the convenience and speed of e-commerce. We pride ourselves on being the only brand available 24/7/365 to support pet parents throughout their journey.

We have a rich history of being recognized for our deep care and personalization while going above and beyond for our customers and their pets.

We view pets and their people as more than just customers and look forward to meeting their needs and exceeding expectations through every interaction. With Chewy, no one pet-parents alone.

Our culture is for those who thrive on delivering results and becoming your best—no matter your role or location. At Chewy, our Operating Principles serve as a common language, or framework, that connects two of Chewy's most valuable elements—our people and our culture. The Operating Principles guide our character, capabilities, imagination, and methods for execution in support of our company's mission.

Why Work With Us

We're proud to be one of the fastest growing e-commerce companies of all time.

With growth comes the exciting opportunity to be a part of a world-class organization of engineering, product, and design team members, responsible for driving our latest innovations and designing "out-of-the Chewy box" experiences.

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