# Front-End Engineer

**Company:** [Mark43](https://hotfix.jobs/companies/mark43)
**Location:** Boston, MA
**Role:** Frontend Engineering
**Salary:** $130k – $160k/yr
**Experience:** 4+ years
**Skills:** React, TypeScript, JavaScript, HTML, CSS, AWS, Azure, SQL, Redis, Elasticsearch
**Posted:** 2026-03-24

> Build front-end features using React and TypeScript for cloud-based public safety software, focusing on location services for first responders. Collaborate with product and design teams, improve architecture, and ensure code quality in a hybrid Boston role requiring 4+ years experience.

## Job Description

## What You’ll Do
- Work with Product Managers to understand requirements for new features in location services.
- Build features using React and TypeScript.
- Improve architectural strategy for front-end or backend to meet velocity needs.
- Review code from other engineers and submit your own for review via pull-request process.
- Meet with Product Designers to explain technical constraints.
- Collaborate with design and product teams to document feature requirements.
- Write clear, concise technical documentation.
- Test new technologies and discuss improvements to codebase and engineering practices.
- Nurture engineering culture focused on code quality and speed.

## What You’ll Need
- At least 4 years professional experience using **React** and **TypeScript** in production.
- Comfortable with agile development and thoroughly testing your own code.
- Write clear, concise code and intuitive documentation.
- Deep understanding of **databases**, **automated testing**, **Agile methodologies**.
- Deep experience designing and building infrastructure for complex cloud-based software applications (preferably **AWS** or **Azure**).
- Knowledge of or experience with **microservices architecture**.
- Extensive knowledge of **JavaScript** and frameworks, **HTML**, **CSS**, interest in new FE technologies.
- Knowledge of web architecture concepts including **HTTP** and **REST**.

## Compensation
- Target base annual salary: **$130,000-$160,000**.
- Plus bonus, stock options, health insurance, PTO, 401k.

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**Apply:** https://hotfix.jobs/jobs/62ec040c-dd5e-47fc-9c45-ee04b5aec788
**Canonical:** https://hotfix.jobs/jobs/62ec040c-dd5e-47fc-9c45-ee04b5aec788