# Senior Software Engineer, Product Foundations

**Company:** [Justworks](https://hotfix.jobs/companies/justworks)
**Location:** New York, NY
**Role:** Backend Engineering
**Salary:** $168k – $235k/yr
**Experience:** 5+ years
**Skills:** Go, Ruby on Rails, JavaScript, SQL, MySQL, Kafka, AWS, Redis, Elasticsearch, Docker, Kubernetes, Terraform
**Posted:** 2026-06-23

> Senior engineer independently owning large projects from discovery to launch, improving performance and scalability of high-volume systems, mentoring engineers, and collaborating with product and design teams.

## Job Description

## What You Will Work On
- Independently own large-scoped projects from initial discovery through launch with a focus on outcomes and customer impact
- Collaborate with a cross functional team to find solutions to customer challenges
- Improve the performance, reliability, and scalability of our existing systems
- Promote engineering excellence through technical leadership, knowledge-sharing and mentorship
- Add capabilities to our high-volume, fault-tolerant processing infrastructure
- Enhance our testing, monitoring and continuous deployment infrastructure
- Keep extremely sensitive data compartmentalized and secure

## How You Will Do Your Work
- Good judgment: exercise critical thinking, analyze and assess problems, identify patterns, understand risks, develop mitigation strategies, and take ownership of outcomes
- Resourcefulness: take a can-do approach, optimize what you have in the face of obstacles
- Teamwork and communication: documentation, collaboration, relationship-building, listening, empathy, recruiting, and evangelism
- Influence and leadership: foster knowledge-sharing, collaboration, mentorship, and forward-thinking
- Skills and knowledge: actively learn and apply domain knowledge and best practices

## Qualifications
- Minimum of 5 years of professional hands-on experience
- Mastery of modern server side languages, Golang is a plus but not required
- Proficiency with SQL
- Proficiency with cloud infrastructure management, preferably AWS
- Experience supporting and mentoring other engineers and acting as a "force multiplier"
- Experience working closely with designers and product managers

## Technologies Used
- Golang, Ruby on Rails, Javascript, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, DataDog

## Compensation and Benefits
- Base wage range for this position based in our New York City Office is targeted at $167,500.00 to $235,000.00 per year
- Actual compensation is based on multiple factors including skill set, level of relevant experience, and specific work location

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**Apply:** https://hotfix.jobs/jobs/b946d7a7-a5b1-4a36-9f26-47a06dd39b02
**Canonical:** https://hotfix.jobs/jobs/b946d7a7-a5b1-4a36-9f26-47a06dd39b02