Software Engineer II (Backend, Growth)

Whoop • Boston, MA

4d

About The Position

We are seeking a Software Engineer II with a focus on Backend and Growth to join our team. In this role, you will collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services. You will be responsible for building, maintaining, and optimizing APIs and infrastructure that support our acquisition funnels, e-commerce experiences, and membership growth experiments. The ideal candidate will write well-tested, maintainable code using technologies such as Java, Kafka, Postgres, and AWS. You will also break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments. Additionally, you will contribute to backend architecture discussions and the implementation of scalable, high-availability services that support millions of users. Working with data scientists and analytics engineers to support experimentation and measure performance, as well as participating in code reviews and collaborating on best practices with your engineering peers, will be key aspects of this role.

Requirements

• Professional backend engineering experience in a production environment.
• Proficiency in building APIs and working with relational databases (e.g., RESTful APIs, Postgres).
• Experience with event-driven systems and asynchronous processing tools such as Kafka or SQS.
• Skilled in writing comprehensive tests and clear documentation.
• Demonstrated ability to work cross-functionally and communicate clearly with technical and non-technical stakeholders.
• A growth mindset and eagerness to learn from feedback and new challenges.

Nice To Haves

• Experience with A/B testing frameworks or growth-focused engineering initiatives.

Responsibilities

• Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services.
• Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership growth experiments.
• Write well-tested, maintainable code using technologies such as Java, Kafka, Postgres, and AWS.
• Break down feature requirements into actionable tasks, prioritize work, and consistently deliver on sprint commitments.
• Contribute to backend architecture discussions and implementation of scalable, high-availability services that support millions of users.
• Work with data scientists and analytics engineers to support experimentation and measure performance.
• Participate in code reviews and collaborate on best practices with your engineering peers.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed