# Software Engineer I (Backend)

**Company:** [WHOOP](https://hotfix.jobs/companies/whoop)
**Location:** Boston, MA
**Role:** Backend Engineering
**Experience:** 0+ years
**Skills:** Java, Kafka, Postgres, AWS, REST APIs, Git, SQL, Distributed Systems, Event-Driven Architectures
**Posted:** 2026-02-19

> Entry-level backend engineer contributing to services and APIs powering WHOOP's member features using Java, Kafka, Postgres, and AWS. Collaborates cross-functionally to build scalable, reliable systems with professional backend experience or equivalent.

## Job Description

## Responsibilities

- Contribute to the development and maintenance of backend services and APIs that power WHOOP’s member-facing features using technologies such as **Java**, **Kafka**, **Postgres**, and **AWS**.
- Collaborate with cross-functional partners across Product, Design, Data Science, and Engineering to translate requirements into well-scoped technical solutions.
- Write clean, maintainable, and well-tested code while participating in code reviews to continuously improve engineering quality and standards.
- Support the operation and monitoring of production systems, helping to troubleshoot issues and ensure reliability, scalability, and performance.
- Break down feature requirements into actionable tasks, identify risks early, and iterate quickly to deliver value to members.
- Contribute to technical documentation and knowledge sharing to support team velocity and long-term maintainability.

## Qualifications

- Professional experience in backend software development (internship, co-op, or academic project experience acceptable).
- Experience building or interacting with **RESTful APIs** and relational databases (e.g., **Postgres** or similar SQL-based systems).
- Proficiency in an object-oriented programming language such as **Java**, or demonstrated ability to quickly learn new backend technologies.
- Familiarity with version control systems such as **Git** and standard development workflows.
- Understanding of fundamental computer science concepts including data structures, algorithms, and system design basics.
- Interest in distributed systems, event-driven architectures (e.g., **Kafka** or similar technologies), and cloud platforms such as **AWS**.
- Strong problem-solving skills and a growth mindset, with a willingness to seek feedback and continuously improve.
- Effective communication skills and the ability to collaborate within a cross-functional team environment.

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**Apply:** https://hotfix.jobs/jobs/25561554-035d-4aee-b270-81e2fe9d36d4
**Canonical:** https://hotfix.jobs/jobs/25561554-035d-4aee-b270-81e2fe9d36d4