Jobs in the United States

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Added 2 mins ago
Software Engineer
Calvert Systems Engineering Inc
Bellevue, NE
As a Software Engineer, you will be responsible for serving as the primary expert in a specialized technical area, such as information technology or a specific software application, and act…
Added 4 mins ago
Clerk II - Day Shift - Lebanon, IN
GXO Logistics
Lebanon, IN
Ensure packaging, routing and systems work is completed quickly and accurately
Added 5 mins ago
Senior Embedded Software Engineer - Platform Software
Intuitive
Sunnyvale, CA
We’re looking for a high energy, experienced embedded software engineer to take technical ownership
Added 7 mins ago
SO
Data Analytics and Systems Engineer (Systems Engineer II) - 61167545
State of South Carolina
West Columbia, SC
- $67,728 to $121,890 USD / year
About the RoleYou’ll turn complex education data and business needs into reports, dashboards, and working data systems that people can use.
Added 13 mins ago
AB
Systems Engineer - HPC and GPU Infrastructure
Absolute Business Solutions Corp
Bethesda, MD
- $90,000 to $170,000 USD / year
ABSC has an exciting opening for a TS/SCI-cleared Systems Engineer specializing in high-performance computing and GPU infrastructure supporting DIA-NDOC under the DTP contract. You will…
Added 15 mins ago
Jr. Software Test & Evaluation Engineer (Cleared) - 30980
Huntington Ingalls Industries
Virginia Beach, VA
HII’s System Integration group is seeking a Software Test Engineer to join our Integrated Training Systems Software Development team. This full-time, on-site position is located in Virginia…
Added 15 mins ago
Global Red Team Senior AI Engineer, Vice President
MUFG Bank, Ltd.
Jersey City, NJ · Tempe, AZ
Lead adversarial testing of AI and LLM systems (e.g., prompt injection, tool misuse, data leakage, and guardrail bypass).
Added 19 mins ago
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ISP/OSP Technician
TEKsystems
Columbus, OH
- $22 to $30 USD / hour
Strip, prep, terminate, and test fiber optic cabling
Added 25 mins ago
Software Engineer, Flight Software (Starship)
SpaceX
Cape Canaveral, FL · Brownsville, TX
As a Software Engineer on the Starship software team, you will design, develop, and test software that is used to both control and simulate SpaceX flight systems. You will engage with other…
Added 33 mins ago
Cybersecurity Engineer
Chugach Government Solutions
SAN DIEGO, CA
Identifies technology limitations and deficiencies in existing systems and associated processes, procedures, and methods.
Added 35 mins ago
RF
Senior Security Engineer
RTA FLeet
Remote, United States
- $160,000 to $185,000 USD / year
RTA is looking for a Senior Security Engineer to protect every layer of our tech stack and culture. Our Fleet360 platform is a multi-tenant SaaS on AWS. Hundreds of fleets rely on it,…
Added 37 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 44 mins ago
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Electronics Test Engineer II
Form Energy, Inc
Berkeley, CA
- $97,221 to $121,518 USD / year
Form Energy is hiring a Electronics Test Engineer II for the AMU (Auxiliary Management Unit) to join our BMS Test team. In this role, you will be responsible for executing design…
Added 1 hour ago
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Quality Engineer II
Actalent
Cudahy, WI
- $45 to $60 USD / hour
Job Description: Quality Engineer IIThis Quality Engineer II role focuses on driving robust quality processes within a fast-growing manufacturing environment that produces switchgear,…
Added 1 hour ago
Senior Ground Systems Engineer - Structures & Mechanisms
Rocket Lab Corporation
Wallops Island, VA
SENIOR GROUND SYSTEMS ENGINEER – STRUCTURES AND MECHANISMS
Added 1 hour ago
Commercial Data Software Engineer II/III
Targan Inc
Raleigh, NC
The Data Team Software Engineer designs, develops, deploys, and supports software solutions that enable TARGAN's products, data platforms, and business operations. This role develops…
Added 1 hour ago
Staff Optical Engineer
Intuitive
Sunnyvale, CA
Experience in practical lab methods to test optical phenomena associated with light sources, spatial light modulators, and complex optical systems
Added 1 hour ago
Data Services Technician
Range
Sundance, WY
d. Perform repairs in access /transport carrier systems and other department related equipment utilizing specialized test equipment.
Added 1 hour ago
Software Engineer II
Western Governors University
Salt Lake City, UT
As a Software Engineer II, you will help research, design, develop, test, and implement applications and software systems that support WGU’s mission. You will contribute to an experienced…
Added 1 hour ago
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Software Engineer II, AI Security
Tanium
Durham, NC
- $154,000 to $236,000 USD / year
Tanium is seeking a Software Engineer II to help build a new AI Security solution that enables the world's largest enterprises to secure AI agents and the endpoints they run on. In this…
Added 1 hour ago
RF Engineer
Vast
Long Beach, CA
Vast is looking for a RF Engineer, reporting to the Director of RF Engineering, to support the development of the systems that will be required for the design and build of human-rated space…
Added 2 hours ago
AS
Test Engineer II
Air Squared Manufacturing, LLC
Thornton, CO
- $82,000 to $98,000 USD / year
We are seeking a Test Engineer II to join our growing team. This role is focused on designing test stands and testing new scroll compressors and vacuum pump designs, including liquid-cooled…
Added 2 hours ago
Software Development Engineer II, AWS IAM AuthRuntimeClient
Amazon Development Center U.S., Inc.
Arlington, VA
The AuthRuntimeClient (ARC) team at Amazon Web Services (AWS) is looking for a Software Development Engineer to build, deliver, and maintain complex products that delight our customers and…
Added 2 hours ago
Electrical Test Engineer (Starfall)
SpaceX
Hawthorne, CA
Want to design test systems at a speed never before seen in the industry? At SpaceX, we are designing systems to test avionics in a matter of weeks, not months or years! The Avionics Test…
Added 2 hours ago
Client Enablement Engineer
Kraken
New York City, NY
…You’ll have the ownership and responsibilities of a software engineer, alongside ownership of a client relationship. You have the ability to work confidently with clients and guide them…

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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