# Software Engineer II (Backend, Enterprise)

**Company:** [WHOOP](https://hotfix.jobs/companies/whoop)
**Location:** Boston, MA
**Role:** Backend Engineering
**Experience:** 2+ years
**Skills:** Java, REST APIs, Postgres, AWS, React, System Design, Authentication, Observability
**Posted:** 2026-05-15

> Backend-focused Software Engineer II building and owning core Enterprise APIs, authentication, and services on AWS with Java and PostgreSQL. Requires 2+ years experience in production backend systems and strong system design skills.

## Job Description

## Responsibilities
- Own and evolve foundational systems for WHOOP Enterprise, starting with Enterprise APIs, authentication, and account management
- Design, build, and maintain backend services and APIs that support enterprise use cases and external integrations
- Collaborate closely with design, analytics, and engineering partners to translate ambiguous product needs into scalable technical solutions
- Define and influence technical direction, system architecture, and implementation standards for the Enterprise platform
- Build systems with a strong emphasis on security, privacy, reliability, and correctness, appropriate for enterprise customers
- Develop and maintain observability, monitoring, and operational practices to ensure system stability
- Consistently deliver high-quality, well-tested code following best practices in software design and development
- Help establish engineering foundations that scale, including documentation, patterns, and mentorship as the team grows

## Requirements
- 2+ years of professional software engineering experience, with a strong foundation in backend development
- Experience building and owning production backend systems and RESTful APIs (Java preferred)
- Familiarity with authentication, authorization, and identity or account management concepts
- Experience working with relational databases such as PostgreSQL
- Experience designing and operating services in cloud environments (AWS)
- Comfort working across the stack, including contributing to web applications leveraging AI tools (e.g., React), even if backend is your primary strength
- Strong system design skills, with experience building scalable, reliable, and maintainable software
- Ability to operate effectively in fast-paced, high-ambiguity environments with minimal product process
- Strong independent problem-solving skills and a sense of ownership over outcomes
- Clear communicator who collaborates well across disciplines and can articulate technical tradeoffs
- Builder mindset with interest in helping shape and scale a platform and team over time

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**Apply:** https://hotfix.jobs/jobs/0138cfd0-73e5-4ce3-b966-0d810a5a6105
**Canonical:** https://hotfix.jobs/jobs/0138cfd0-73e5-4ce3-b966-0d810a5a6105