# Software Engineer II (Backend, Platform)

**Company:** [WHOOP](https://hotfix.jobs/companies/whoop)
**Location:** Boston, MA
**Role:** Backend Engineering
**Experience:** 2+ years
**Skills:** Java, Python, C#, REST APIs, Microservices, Kafka, RabbitMQ, Postgres, MySQL, AWS, Docker, Kubernetes
**Posted:** 2025-09-24

> Builds and maintains scalable backend systems and APIs for WHOOP's platform, ensuring reliability, security, and performance. Requires 2-4 years backend experience with Java/Python/C#, RESTful APIs, microservices, and cloud infrastructure.

## Job Description

## Responsibilities
- Design, develop, and maintain robust, scalable backend systems that power WHOOP’s core infrastructure and member experience.
- Collaborate with product managers, data engineers, frontend developers, and other cross-functional partners to deliver features that enhance member engagement.
- Build and maintain APIs to enable seamless integration with frontend applications and third-party services.
- Ensure system reliability, scalability, and performance through effective testing, monitoring, and optimization.
- Implement secure coding practices and contribute to designing systems that safeguard member data.
- Stay current with backend technologies and contribute to improving team engineering standards and best practices.

## Qualifications
- 2-4 years of backend software development experience, ideally in languages like **Java**, **Python**, or **C#**.
- Experience designing and building **RESTful APIs** and **microservices**.
- Exposure to event-driven architecture (messaging/streaming tech such as **Kafka**, **RabbitMQ**).
- Familiarity with database design and management (e.g., **PostgreSQL**, **MySQL**, or NoSQL databases).
- Understanding of cloud infrastructure (**AWS**, **GCP**, or **Azure**).
- Familiarity with cybersecurity principles (data privacy, authentication, and authorization) is a plus but not required.
- Strong problem-solving skills and ability to work in a fast-paced environment.
- Good communication skills and ability to collaborate across teams.

## Bonus Qualifications
- Experience working with infrastructure as code and developer enablement platforms.
- Familiarity with containers and orchestration (e.g., **Docker**, **Kubernetes**).
- Background in cloud security or incident response.
- Exposure to building translation or localization platforms to support multi-language content delivery.
- Hands-on experience with observability tools (logging, monitoring, alerting) in production environments.

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