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Software Engineer II (.Net Developer)

Paychex

Listing collected from Paychex's career site. NextChapter is independent of Paychex.

Chicago, IL · Posted November 10, 2026

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About the job

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

Designs, develops and troubleshoots software programs for computer based systems. Responsibilities

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

Design and develop test automation code

Complete well-defined, complex program changes

Perform basic analysis and design for clearly defined requirements

Contribute to 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

Monitor progress against task estimates to provide status

Provide technical support and troubleshooting for applications across environments

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

Qualifications

Bachelor's Degree in Computer related discipline or equivalent work experience 1 year of experience in Related field and experience using one or more programming language(s).

Information Technology - Preferred

Quality Assurance - Preferred

Management - Preferred

Scheduling - Preferred

Knowledge Transfer - Preferred

Software Engineering - Preferred

Unit Testing - Preferred

User Acceptance Testing (UAT) - Preferred

Technical Support - Preferred

Version Control - Preferred

Requirements Specifications - Preferred

Change Management - Preferred

Project Performance - Preferred

Agile Methodology - Preferred

Software Development - Preferred

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.

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

Design and develop test automation code

Complete well-defined, complex program changes

Perform basic analysis and design for clearly defined requirements

Contribute to 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

Monitor progress against task estimates to provide status

Provide technical support and troubleshooting for applications across environments

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

Bachelor's Degree in Computer related discipline or equivalent work experience 1 year of experience in Related field and experience using one or more programming language(s).

Information Technology - Preferred

Quality Assurance - Preferred

Management - Preferred

Scheduling - Preferred

Knowledge Transfer - Preferred

Software Engineering - Preferred

Unit Testing - Preferred

User Acceptance Testing (UAT) - Preferred

Technical Support - Preferred

Version Control - Preferred

Requirements Specifications - Preferred

Change Management - Preferred

Project Performance - Preferred

Agile Methodology - Preferred

Software Development - Preferred