Staff Engineer, Backend Developer

About On Pay

OnPay is a fast‑growing software company headquartered in Atlanta, offering a modern cloud‑based payroll, HR, and benefits solution for small to midsize businesses. We’re currently seeking talented and curious individuals to join our team. We want to hear from you if you are interested in joining an exciting and fast‑growing company!

We are seeking a full‑stack Staff Engineer to join our Engineering team. As a Staff Software Engineer, you will focus on helping to deliver features and enhancements for our core payroll offerings  will work with product leaders, engineering leaders, and Customer Support teams to inform product direction and decisions. We are looking for a self‑starter willing to jump into existing processes and deliver at a high level for our customers.

We are also looking for a Staff Engineer with hands‑on experience with PHP and a willingness to help shape the direction of our codebase. This position is based in Atlanta, GA, and requires being in the office at least two days a week.

• Work with Product and Engineering leadership to map out new features and enhancements to existing core payroll products.
• Work closely with Customer Experience to ensure we deliver the best solutions for our core business functionality.
• Work with Customer Experience to troubleshoot ongoing customer issues.
• Frequently collaborate with teammates on best practices, payroll operations, and business processes.
• Collaborate with peers to identify and resolve architectural and technical trade‑offs.
• Document software systems and technical requirements to ensure peers can understand decisions made.
• Balance feature delivery with technology improvements.
• Help shape some of our Dev Ops and infrastructure processes.
• Foster an inclusive team environment.
• Seek and offer feedback on improvements.
• Strong desire to highlight others’ accomplishments.
• Follow standards to prevent security and performance issues.
• Writing unit tests to reduce manual QA and ensure we don’t introduce new or pre‑existing bugs.
• Participate in on‑call rotation and production support.
• Actively participates in meetings and creates cross‑team collaboration where necessary to address business goals.
• Creates and maintains internal documentation for the purpose and structure of the systems they’re working on. Carefully documents processes that aren’t clear.
• Teaches peers how to set up systems and drive execution plans for features and system improvements.
• Coordinates efforts across the team rather than working in a silo. Ensures that people feel included in varying projects and that their voices are heard.
• Keeps the team moving quickly by working on engineering efforts that aren’t glamorous.
• Proactively communicates issues and addresses necessary trade‑offs. Takes ownership of issues.
• Manages larger refactors and/or system upgrades and helps others to do the same or participate. Able to estimate the scope of work, and when those estimates are off, coordinate with stakeholders like Product Management to address risks and take ownership.
• Researches, creates proofs of concept, and introduces new technologies to the team.
• Owns the production operation and monitoring of the system and is aware of SLAs.
• Mentors others to accelerate their career growth and encourages them to participate.
• Challenges the team processes, looking for ways to improve them.
• Makes an impact on the whole team, not just on specific parts.

• Our company's top priorities are humility, hard work, honesty, and transparency.
• Be customer‑centric with everything you do. We put our customers first in everything we do.
• We aim to be great listeners and learners; there is always room for growth.
• Methodical approach to work. We are looking for someone who can dig into nitty‑gritty details to ensure we follow payroll laws and regulations appropriately.
• 7+ years of relevant experience.
• Prior Payroll or HRIS experience is a plus.
• PHP, Go, React, Docker, MySQL, Mongo, and Redis experience (preferred).
• JIRA, Confluence, Git Hub, and Jenkins experience (preferred).
• Strong background in cloud infrastructure and Dev Ops processes.
• Ability to balance business needs, technical priorities,…