# Senior Software Engineer, Full-Stack

**Company:** [Greenlight](https://hotfix.jobs/companies/greenlight)
**Location:** Remote
**Role:** Fullstack Engineering
**Experience:** 3+ years
**Skills:** Node.js, React, Next.js, Remix, Rest, Express, AWS, Kubernetes, Kotlin
**Posted:** 2026-03-12

> Develop full-stack features for web registration flow, including experimentation and analytics integration. Requires 3+ years experience with Node.js, React, REST APIs, focusing on scalability and performance in fast-paced environment.

## Job Description

## Technologies
- Node.js
- React, NextJS, Remix
- REST, Express
- AWS, Kubernetes (EKS)
- Kotlin (Preferred)

## Day-to-Day Responsibilities
- Build new experiences for the Greenlight Registration Flow, collaborating with domain teams, product managers, and designers to improve user growth.
- Support and evolve the existing registration architecture in a fast-moving, iterative process focused on growth.
- Work with product and design teams to add incremental features while balancing tech debt.
- Scale and maintain backend services for new features and growing user base.
- Improve platform reliability and availability.

## Requirements
- BS degree in Computer Science or equivalent
- 3+ years software development experience
- Ability to context switch and prioritize in fast-paced environment
- Strong focus on performance, scalability, and observability
- Experience building single page applications with modern framework
- Experience building REST APIs
- Recent experience with Node.js backend services
- Ability to operate in fast, iterative development using build/measure/learn principles

## Preferred
- Experience with A/B testing and experimentation
- Experience with modern MarTech tools (Segment, Optimizely, Mixpanel)

## Similar roles

- [Senior Software Engineer, Payments](https://hotfix.jobs/jobs/3edee253-8427-4e12-b55f-afb2e740f9a7) - Tabs - New York, NY - $175k – $240k/yr
- [Senior Software Engineer, Merchant Onboarding](https://hotfix.jobs/jobs/962cc2a3-1529-46fe-8a13-31421cfa6099) - Tabs - New York, NY - $175k – $240k/yr
- [Senior Product Engineer](https://hotfix.jobs/jobs/14eae565-668e-4dd2-8ef5-7f9d17f8b04c) - Aurelian - Seattle, WA - $160k – $220k/yr
- [Senior Engineer I](https://hotfix.jobs/jobs/80080784-8380-4326-9fe1-939045313800) - SimplePractice - Santa Monica, CA - $217k – $217k/yr
- [Senior Software Engineer](https://hotfix.jobs/jobs/94e7e994-885e-43c4-a0e2-593f02a641c3) - Carbon - Sunnyvale, CA - $158k – $238k/yr

**Apply:** https://hotfix.jobs/jobs/1dc70411-fc54-4e22-860a-a83938cd5087
**Canonical:** https://hotfix.jobs/jobs/1dc70411-fc54-4e22-860a-a83938cd5087