# Senior Software Engineer, Full Stack

**Company:** [Brex](https://hotfix.jobs/companies/brex)
**Location:** Seattle, WA
**Role:** Fullstack Engineering
**Salary:** $192k – $240k/yr
**Experience:** 7+ years
**Skills:** Java, Kotlin, Python, React, TypeScript, SQL, NoSQL, REST APIs, GraphQL, webpack
**Posted:** 2026-03-24

> Build and scale full-stack infrastructure for task workflows, notifications, and automations at Brex. Requires 7+ years experience with backend (Java/Kotlin/Python), frontend (React/TypeScript), distributed systems, and APIs.

## Job Description

## Responsibilities

- Work with engineers across the company to build new features and products end-to-end
- Own problems end-to-end, thinking through everything from user experience, data models, scalability, operability and ongoing metrics.
- Provide technical leadership to team by driving roadmap direction, architectural design and mentorship
- Work side-by-side with user-facing teams (Sales, Support) to best understand the needs of our customers.
- Tune and polish features to a high degree of excellence.
- Identify and implement reliability and performance improvements
- Uphold our high engineering standards and bring consistency to the codebases, infrastructure, and processes you will encounter

## Requirements

- **7+ years** of professional experience designing, developing, and deploying full-stack products
- Strong proficiency in backend programming languages (**Java**, **Kotlin**, **Python**)
- Experience architecting, building, and maintaining scalable, high-availability distributed systems
- Experience designing and optimizing **SQL** and/or **NoSQL** databases, including data modeling, query performance tuning, and schema design
- Experience building and maintaining **RESTful APIs** and/or **GraphQL** services
- Experience with modern frontend technologies and tools like **ES6+**, **React**, **TypeScript**, and **Webpack**

## Bonus Points

- Experience collaborating with cross-functional stakeholders and specialists in product, design, and operations
- Experience driving initiatives at a broader level across an organization or company
- Experience running in-product experiments, **A/B testing**
- Experience and interest in leveraging **AI** developer tools

## Compensation

Expected salary range: **$192,000 - $240,000** base pay (depending on location, skills, experience, market demands, and internal pay parity). Equity and other compensation may be provided.

## Similar roles

- [Senior Full-stack Engineer](https://hotfix.jobs/jobs/5c7171eb-8197-447a-8f3d-b820ff64b8ae) - Zoox - Foster City, CA - $192k – $263k/yr
- [Senior Software Engineer, Full Stack](https://hotfix.jobs/jobs/7588da11-d49b-42e9-a433-2100475974c1) - Brex - New York, NY - $192k – $240k/yr
- [Senior Software Engineer, Full Stack](https://hotfix.jobs/jobs/04c5a30d-d2a9-437a-865f-2fe37373982c) - Brex - San Francisco, CA - $192k – $240k/yr
- [Senior Software Engineer, Product](https://hotfix.jobs/jobs/998ec734-005d-48c7-a275-56a3301c3226) - Brex - New York, NY - $192k – $240k/yr
- [Senior Software Engineer, Product](https://hotfix.jobs/jobs/41f55382-5f5f-4b1c-a739-131431c7145c) - Brex - Seattle, WA - $192k – $240k/yr

**Apply:** https://hotfix.jobs/jobs/4065fcc2-9a21-4c26-a765-526954dcaabb
**Canonical:** https://hotfix.jobs/jobs/4065fcc2-9a21-4c26-a765-526954dcaabb