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Salary: USD 131,000 - 169,000 / annual
Justworks is an HR and payroll platform helping businesses streamline HR operations, benefits administration, and compliance. This Backend Software Engineer role is a senior individual contributor position focused on building and maintaining large-scale, fault-tolerant systems that handle sensitive financial and HR data.
You will independently own large-scoped projects from discovery through launch, with emphasis on customer impact and outcomes. Key responsibilities include:
- Owning end-to-end project delivery for complex backend systems
- Collaborating with cross-functional teams (product, design, operations) to solve customer challenges
- Improving performance, reliability, and scalability of existing infrastructure
- Providing technical leadership through mentorship and knowledge-sharing with junior engineers
- Enhancing high-volume, fault-tolerant processing infrastructure for financial transactions
- Strengthening testing, monitoring, and continuous deployment pipelines
- Ensuring sensitive data security and compartmentalization
The role emphasizes technical judgment, resourcefulness, teamwork, and alignment with company values (Camaraderie, Openness, Grit, Integrity, Simplicity). You'll work with a modern tech stack in a data-driven, iterative environment.
Tech stack: Golang, Ruby on Rails, JavaScript, MySQL, Kafka, AWS, Git, Memcache, Redis, ElasticSearch, Docker, Terraform, Kubernetes, CircleCI, DataDog.
QUALIFICATIONS:
- Minimum 3 years of professional software development experience
- Proficiency in server-side languages: Python, Java, Node.js, or Ruby (Go experience is a plus)
- Solid SQL skills and understanding of database fundamentals
- Experience with cloud platforms, preferably AWS (basic deployment and monitoring)
- Demonstrated interest in mentoring junior developers and contributing to team knowledge-sharing
- Experience collaborating with designers and product managers on feature development
