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Mechanical Engineer 3
Kforce
Fremont, CA
- $65 to $70 USD / hour
Develop feasibility studies, test plans, and best-known methods to characterize and validate reaction-driven system performance
Added 2 mins ago
RU
Network / System Engineer III
Randstad USA
Plano, TX
- $59.75 to $69.75 USD / hour
Ensure that code adheres to strict standards for accessibility, security, object-oriented practices, and performance
Added 2 mins ago
Consulting Data & AI Engineer
Carrier Access IT
Cedar Rapids, IA
Evaluate AI use cases, build prototypes or proofs of concept, and test solutions for accuracy, reliability, performance, and business value.
Added 2 mins ago
Consulting Data & AI Engineer
Carrier Access IT
Clive, IA
Evaluate AI use cases, build prototypes or proofs of concept, and test solutions for accuracy, reliability, performance, and business value.
Added 2 mins ago
Consulting Data & AI Engineer
Carrier Access IT
Omaha, NE
Evaluate AI use cases, build prototypes or proofs of concept, and test solutions for accuracy, reliability, performance, and business value.
Added 3 mins ago
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Electrical Design Engineer
GPAC
Pocahontas, AR
- $80,000 to $110,000 USD / year
Highly competitive salary and performance bonuses.
Added 3 mins ago
Sr. Quality Engineer, New Product Development
BioTissue Holdings Inc
Miami, FL
The Senior Quality Engineer, New Product Development/Introduction is responsible for leading quality planning, risk management, validation, and compliance activities throughout the product…
Added 4 mins ago
Business Intelligence Engineer II, Amazon Freight
Amazon.com Services LLC
Bellevue, WA
We are seeking a Business Intelligence Engineer who is passionate about leveraging data to deliver actionable insights for Amazon Freight. Our ideal candidate is someone who has strong…
Added 5 mins ago
Intelligent Automation Engineer - Onsite - Shiloh IL
Silverthorne Advisory Group LLC
Scott AFB, IL
Silverthorne Advisory Group is seeking a motivated and technically skilled Intelligent Automation Engineer to support an exciting and growing opportunity within the Defense sector at Scott…
Added 5 mins ago
Modem System Test Engineer - Wireless Technologies and Ecosystems |
Apple
CA
We are seeking a passionate, detail-oriented Modem Systems Test Engineer with a focus on Wireless Coexistence (COEX). In this role, you will be at the forefront of validating multi-radio…
Added 8 mins ago
Area Field Engineer
Bechtel
Chandler, AZ
Schedule & performance ownership: Own area lookaheads, productivity, and critical path impacts; proactively remove constraints and drive recovery actions.
Added 8 mins ago
Senior Software Engineer, Agentic Systems
NVIDIA USA
Remote, United States
We are looking for a Senior Software Engineer to help build NeMo Platform, NVIDIA’s product for developing, evaluating, deploying, and operating AI systems at scale. This role will focus on…
Added 8 mins ago
Cybersecurity Engineer
Chugach Government Solutions
SAN DIEGO, CA
Drafts comprehensive test plans to assess and validate task or project completion, ensuring alignment with client expectations and industry standards.
Added 9 mins ago
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Staff / Senior Staff Test Automation Engineer
SciTec
Boulder, CO
- $102,000 to $157,000 USD / year
SciTec is seeking a Test Automation Engineer to design, build, and maintain a continuous deployment pipeline (Kubernetes manifests, Helm charts, ArgoCD, Ansible Playbooks) of an integrated…
Added 9 mins ago
Senior Product Engineer - Plant 10
Howmet Aerospace
Whitehall, MI
This Senior Product Engineer position will be located in our Plant 10 - Whitehall Casting Operation and will support manufacturing through process control, improvement initiatives, and…
Added 9 mins ago
MC
Cloud Engineer III
McDonald's Corporation
Chicago, IL
- $141,662 to $177,077 USD / year
…User Computing, and IT Service Management. The Cloud Security Engineer III role is part of the Cloud Ecosystem team and reports to the Senior Manager of Cloud Security Platform…
Added 9 mins ago
ESS, Principal Software & Data Engineer
SK Battery America
Troy, MI
The Principal Software & Data Engineer will be a foundational member of the Energy Management Systems (EMS) engineering organization, responsible for designing and building the software and…
Added 10 mins ago
OA
Software Engineer - Behaviors & Planning
Overland AI
Seattle, WA
- $160,000 to $190,000 USD / year
…research in robotics and machine learning, as well as a field-test forward ethos, to deliver combined capabilities for unit commanders. Our OverDrive autonomy stack enables ground vehicles…
Added 11 mins ago
Staff Software Development Engineer, Marine & RV/Camping
Storable
Seattle, WA
Storable is seeking a Staff Software Development Engineer to provide technical leadership across all products in our Marine and RV & Camping Divisions (Storable Marine and Newbook) and help…
Added 12 mins ago
Optical Engineer
Corning
Fairport, NY
The Optical Engineer is based in Fairport, NY. Corning designs and manufactures the Tropel® brand of high-end, laser-based flatness metrology tools there. These tools measure critical…
Added 12 mins ago
Software Engineer II (.Net Developer)
Paychex
Chicago, IL · Irving, TX · Tempe, AZ · Cincinnati, OH · Salt Lake City, UT · Rochester, NY · Saint Petersburg, FL
As a Software Engineer II you are critical to the team's success and delivery of MVI's. Your primary role includes system analysis, coding, testing, debugging, documenting, and installing…
Added 12 mins ago
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Systems Engineer I
Paychex
Webster, NY · Allentown, PA · High Point, NC · West Palm Beach, FL · Cincinnati, OH · Saint Petersburg, FL · Tempe, AZ · Phoenix, AZ
- $61,000 to $95,900 USD / year
The Systems Engineer installs, configures, maintains, and upgrades server hardware, operating systems, middleware, and supporting infrastructure. The role proactively monitors system…
Added 16 mins ago
Forward Deployed Engineer
DigiCert
Remote, United States
Write and ship production code. Build integrations, agents, and workflows with retrieval, tool use, and human-in-the-loop review. Test, deploy, and support what you ship.
Added 17 mins ago
Senior Project Manager
CEL - Critical Power
Wilmington, VA
…portfolio of projects, senior stakeholder relationships, financial performance, and the leadership of Project Managers. You will provide oversight across multiple projects while retaining…
Added 18 mins ago
Technical Specialist 2
GAI Consultants Inc
Homestead, PA
Plans, designs, and facilitates civil engineer project design tasks

Paychex

Software Engineer II (.Net Developer)

Chicago, IL, United States
Irving, TX, United States
Tempe, AZ, United States
Cincinnati, OH, United States
Salt Lake City, UT, United States
Rochester, NY, United States
Saint Petersburg, FL, United States

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Job details

Apply by: Nov 6, 2027
Posting language: English
Posted: Nov 6, 2026

Original job description

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

As a Software Engineer II you are critical to the team's success and delivery of MVI's. Your primary role includes system analysis, coding, testing, debugging, documenting, and installing portions of new systems and modifying existing systems. To be successful in this role you need expertise in application and database design, as well as software implementation and graphical user interface design. Like the industry, we move fast. We need you to stay fresh with new technology, software and architecture so that you can innovate daily. As a Software Engineer II everyday will bring new technology challenges. Keep in mind that as an Agile team member you may be asked to step beyond coding and do whatever is necessary to help your team deliver in a sprint.

Responsibilities

Develop new applications, modify and maintain existing software, working closely with end-users, IT peers and management.
Make changes to prevent recurrence, modifying existing code and faulty files, writing and running special programs.
Participate in estimations, planning of feature releases, be involved in system feasibility check activities and developing design documentation.
Implement complex APIs using appropriate algorithms and data structures.
Extend features to existing software applications.
Analyze, design and develop complex business logic.
Develop UI components using JavaScript frameworks and optimize DOM rendering.
Participate in design and implementation of Database architecture.
Work together with peers, managers and quality assurance team to build a complete shippable product within the Agile methodology framework and track and report progress of deliverables.
Document the new applications, or the changes made to existing applications.
Participate in unit, integration, and business acceptance testing of the applications.
Develop automation for unit test cases for features.
Stimulate system load testing to identify performance issues, assess risk and highlight in a timely manner.
Fix defects identified during integration and user acceptance testing and complete defect root cause analysis.
Analyze production incidents and provide quick work around until it is fixed in future releases as well as troubleshoot application and system issues when required.
Monitoring event and exception logs for application to identify system issues and report and track any identified bugs.
Data validation & patching using SQL data query language.
Do whatever is necessary to get to your team's definition of done.
Stay current on emerging technologies.

Qualifications

in Bachelor's in computer science, computer engineering or related field. - Preferred
2 years of experience in a related area.
2 years of experience in at least one of these frameworks: C#, SQL, ASP.Net, PowerBuilder, HTML 5.0, CSS, or JavaScript Frameworks.
2 years of experience in front-end frameworks such as: MVC, Ember, Web Forms, Angular, KnockoutJS or Node.
Js.
2 years of experience in middleware pattern such as: REST, Class Libraries as a Layer, WCF or SOAP Web Services.
2 years of experience in data storage technology such as: Microsoft Entity Framework accessing the data, Relational Databases (SQL, Oracle, MySQL, etc.), or NoSQL Technologies (Hadoop, Mongo, etc.).
Ability to combine and integrate the above-mentioned elements as an effective full stack software developer.
Understanding of unit testing concepts and frameworks preferred.
Ability to be self-directed.
Familiar with an Agile environment.
Participation and familiarity with open source projects is a plus.

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.

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