# Sr Software Engineer, Applications

**Company:** [Basis](https://hotfix.jobs/companies/basis)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $119k – $186k/yr
**Experience:** 5+ years
**Skills:** React, Ruby on Rails, Java, JavaScript, SQL, Postgres, MySQL, Redis, MongoDB, Docker, Kubernetes, AWS, Kafka, RabbitMQ, Git
**Posted:** 2026-04-28

> Senior software engineer builds and leads development of web applications using React and Ruby on Rails, owns full project lifecycle, and mentors on best practices. Requires 5+ years experience, strong SQL/data modeling, and modern dev tools including AI workflows.

## Job Description

## Ways You'll Contribute

- Leading projects spanning our entire tech stack while demonstrating and mentoring others on our best practices and high-quality standards.
- Demonstrating strong collaboration through pull requests, demos, and working relationships. Give and receive feedback positively, identify risks and blockers as they arise.
- Taking ownership over deliverables, quality, and support across your team's systems and components. Being accountable for driving projects from ideation through production.
- Demonstrating a deep understanding of your team's business domain. Use your knowledge to identify risks and blockers during planning discussions. Ensure feasibility and alignment between business goals and technical implementation.
- Bringing a positive attitude to work and embody Basis' core principles.

## What You Bring to the Table

- 5 years or more of professional software experience.
- Experience planning and building production-level web applications using **React** and **Ruby on Rails**.
- Experience leveraging modern development practices, including AI-assisted and agentic workflows.
- Strong grasp of data modeling, **SQL**, query optimization, tuning for read/write performance and scalability.
- Experience or willingness to learn **Java**.
- Experience with entire development cycle of projects.
- Knowledge and fluency in the tools used to build and maintain software: **Git**, **Unix/Linux** environments, and automated testing tools.

## Bonus Points

- Bachelor's degree in computer science, Engineering or related field.
- Enthusiastic growth-oriented mindset.
- Excited by a fast-paced product development environment.
- Passion for Ad-Tech.

## Our Tech Stack

**Ruby**, **Java**, **JavaScript**, **React.js**

**PostgreSQL**, **MySql**, **Redis**, **MongoDB**

**Docker**, **Kubernetes**, **AWS**

**Kafka**, **RabbitMQ**

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**Apply:** https://hotfix.jobs/jobs/1fc37833-e3f6-4a1b-9942-1fc90e1d1e69
**Canonical:** https://hotfix.jobs/jobs/1fc37833-e3f6-4a1b-9942-1fc90e1d1e69