Intern Remote Full Stack Php Developer Jobs in Atlanta, GA

About OnPay

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!

Learn more at OnPay.com

If you’re someone who thrives in a fast-moving environment and loves helping businesses succeed, this is the perfect time to join a high-growth SaaS company that’s redefining what payroll software should be.

The Role

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 at OnPay. You 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.

What You’ll Do

• 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 DevOps 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 of it

What You Bring

• 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, GitHub, and Jenkins experience (preferred).

• Strong background in cloud infrastructure and DevOps processes.

• Ability to balance business needs, technical priorities, and customer needs.

• Familiarity with software testing best practices.

• Hands-On Experience with AWS, GCP, MySQL, Mongo, and Linux

Why OnPay?

• Momentum that matters: We’re backed by over $100MM in new funding and scaling rapidly.

• Market-leading product: OnPay consistently ranks among the highest-rated payroll solutions, earning top marks for usability, customer satisfaction, and support.

• Lead engine that delivers: Our marketing and partner network drives thousands of qualified leads monthly — you’ll always have warm opportunities to close.

• Remote flexibility: Work from anywhere in the U.S., or join our collaborative HQ team in Atlanta’s Ponce City Market if you reside in the Atlanta metro area.

• Competitive compensation: Base salary + bonus + stock options = real upside for high performers.

• Comprehensive benefits: 4 weeks PTO + paid holidays, Medical/Dental/Vision, Short- & Long-Term Disability, Life Insurance, Fertility Benefits, Parental Leave, and a 401(k) with company match.

• Growth culture: Join a team with deep employee benefits experience, payroll expertise, market momentum, and a genuine commitment to helping employees grow their careers.

• Client-first ethos: OnPay is built on a culture of transparency and service — from our transparent pricing to our commitment to making small business simpler.

Location & Compensation

• Flex, Remote | Atlanta HQ optional

• Compensation includes a $145,000 - $195,000. Final offer amounts are determined by multiple factors, including candidate experience and expertise, and may vary from the amounts listed above.

Recruiting Fraud Alert:

To all candidates: your personal information and online safety are top of mind for us. At OnPay, recruiters only direct candidates to apply through our official career page at careers.onpay.com

Recruiters will never request payments or ask for financial account information or sensitive information like social security numbers. If you are unsure if a message is from OnPay, please email careers@onpay.com

OnPay is proud to be an equal opportunity workplace dedicated to pursuing and hiring a diverse workforce. We want candidates from multiple backgrounds and lifestyles to create a broader set of perspectives. We make all employment decisions without regard to gender, sexual orientation, gender identity, race, color, religion, age, pregnancy, national origin, veteran status, disability, or any other classification protected by applicable laws.