Software Engineer III

Paychex

Webster, New York; Cincinnati, Ohio; Allentown, Pennsylvania

Posted October 23, 2026

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Paychex is reimagining how businesses manage their workforce by bringing payroll, HR, benefits, and advisory services together into a single connected HCM platform. As Paychex and Paycor come together, we're combining innovative technology, data-driven insights, AI, and human expertise to help organizations work smarter, support their people, and achieve better business outcomes. This is an exciting time to join our team as we continue to invest in innovation, simplify client experiences, and shape the future of work. At Paychex, you'll have the opportunity to grow your career, make a meaningful impact, and be part of something bigger as One Paychex.

Overview

Validates requirements, performs analysis and design for system improvements and new applications. Represents the department by leading work and providing guidance to others.

The Unified Service Development (USD) team builds and supports the applications and reporting data that power client service and operations across the business. The team maintains web applications and services, along with a large portfolio of SQL Server databases, ETL pipelines, and reporting data feeds, and is actively modernizing these systems onto containerized platforms such as OpenShift. The team also builds internal AI-enabled developer tooling and uses AI-assisted development in day-to-day work.

Responsibilities

• Develop, test, deploy, maintain and improve software to meet requirements

• Complete complex program changes; self-directed

• Perform comprehensive analysis and design for broadly defined requirements

• Make significant technical contributions; contribute to technical direction

• Provide estimates required for user stories based on business requirements, specifications and designs

• Comply with and contribute to SDLC standards and CD/CI procedures to ensure consistency; introduce new standards and opportunities for improvements

• Monitor progress against task estimates to provide status

• Provide technical support and troubleshooting for applications across environments, including high impact production issues

• Maintain existing code base, monitoring for failures in non-prod environments

• Support changes during quality assurance, user acceptance testing, and post implementation to ensure integrity of application

• Share technical expertise; guide and mentor others to maximize team effectiveness and quality

• Build and support web applications and services in .NET and related technologies

• Deploy and support containerized applications on OpenShift, including monitoring and troubleshooting across environments

• Design, build, and maintain ETL processes and scheduled data loads that deliver reporting data to downstream consumers

• Develop and optimize SQL Server databases, queries, stored procedures, and SQL Agent jobs that support applications and reporting

• Help modernize legacy ETL workloads (e.g., SSIS) into containerized solutions on OpenShift, including shared libraries, orchestration, validation, and monitoring

• Manage work in Jira, source code in Bitbucket (branching, pull requests, code review), and technical documentation in Confluence, including designs and operational/support procedures

• Use AI-assisted development tools (e.g., Claude Code, GitHub Copilot) to improve productivity, quality, and test coverage, while critically reviewing and validating AI-generated code

Qualifications

• Bachelor's Degree in Computer related discipline or equivalent work experience

• 3 years of experience in related field

Desired Skills and Technical Experience

Application development

• .NET Framework / .NET

• React

• Node.js

• Unit testing and test automation

Data and ETL

• SQL Server, Azure and relational databases (T-SQL, stored procedures, querying from an application)

• ETL development and reporting data (SSIS a plus; Python-based ETL a plus; Data Bricks a plus)

• Data validation, error handling, and monitoring of scheduled data loads

Platform and delivery

• OpenShift and containerization

• CI/CD pipelines (Jenkins)

• Jira, Bitbucket, and Confluence

AI-assisted development

• Experience with AI-assisted software development, including agentic coding tools (e.g., Claude Code, GitHub Copilot)

• Ability to effectively prompt and direct AI tools, critically review and validate generated code, and integrate them into testing, code review, and security practices

• Familiarity with MCP servers or building AI-enabled tooling is a plus

Compensation

In the spirit of pay transparency, we are excited to share that the starting base pay range for this position is $93,590 - $147,070. Please keep in mind that this range is the base pay only and does not consider other components that make up the total rewards package for the position. If you are hired at Paychex, your overall compensation will be determined based on factors such as geographic location, skills, education, and/or experience which may result in total compensation outside of this range.

Live the Paychex Values

• Act with uncompromising integrity.

• Provide outstanding service and build trusted relationships.

• Drive innovation in our products and services and continually improve our processes.

• Work in partnership and support each other.

• Be personally accountable and deliver on commitments.

• Treat each other with respect and dignity.

What's in it for you?

• We value your well-being: We provide over 21 comprehensive rewards, including medical coverage, virtual wellness classes, tuition reimbursement, 401(k) + employer match, adoption assistance, financial assistance, and much more.

• We value your time: From paid time off to company holidays, culture days, and comprehensive work-life balance programs, we will ensure you have the flexibility you need to be your best.

• We value your development: Our award-winning training and development programs empower our employees with ongoing learning opportunities to give you the building blocks to grow your career.

• We value your perspective: Our company culture reflects the diversity of our employees. We want you to be you and your voice to be heard.

• We value our communities: We offer paid time off for volunteerism and promote many company-wide and local initiatives that benefit organizations you care about.

Note: The benefits described apply to full-time employees. Benefits for part-time, contract, and intern roles may vary.

Not sure if you meet every requirement?

At Paychex, we know that great talent comes in many forms. If you're passionate about the role but don't check every box, we still encourage you to apply. You might be the right fit - either for this position or another opportunity with us.

Paychex is an equal opportunity employer. We are committed to fostering a respectful and inclusive workplace where all individuals are treated fairly and evaluated based on their qualifications, experience, and merit. We comply with all applicable federal, state, and local laws prohibiting discrimination in employment.