Senior Software Engineer
Seaford, DE
Experience: 0
Category: Information Technology
Contractor Work Model: Remote
Brand: System One
Compensation Range: 120000.00 - 140000.00
Job ID: 380120
Date Posted: 10/09/2026
Shortcut: http://jobs.systemone.com/0Yj0hW
Job Title: Senior Software Engineer
Work Model: Remote – offsite
Hours: 40.0
Security Clearance: (not specified)
Responsibilities
- Design, develop, and maintain high-quality software applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and correct bottlenecks and fix bugs.
- Mentor junior team members and contribute to code reviews.
- Bachelor’s degree in Computer Science, Engineering, or related field.
- Proven experience in software development, preferably in a senior role.
- Strong proficiency in relevant programming languages and frameworks.
- Excellent problem-solving skills and attention to detail.
- Ability to work independently and collaboratively in a remote environment.
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#M-
#LI-
Ref: #431-IT Tampa
-
Sr Mechanical Engineer
Moon Township, PA
Job Title: Senior Mechanical Engineer Location: Moon Township, PA Type: Full-Time Compensation: $120,000.00 - $160,000.00 Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview Responsibilities Lead the developmen...
Date Posted: 10/08/2026 Recommended
-
Endpoint Systems Engineer
Melbourne, FL
Job Title: Endpoint Systems Engineer Location: Melbourne, FL Type: Contract To Hire Work Model: Hybrid – onsite and remote Overview As an Endpoint Systems Engineer, you will be responsible for designing, implementing, maintaining, and securing the ente...
Date Posted: 08/31/2026 Recommended
-
Endpoint Systems Engineer
Miramar, FL
Job Title: Endpoint Systems Engineer Location: Miramar, FL Type: Contract To Hire Compensation: $110,000.00 - $120,000.00 Work Model: Hybrid – onsite and remote Overview As an Endpoint Systems Engineer, you will be responsible for designing, implementi...
Date Posted: 07/27/2026 Recommended
-
Infrastructure Senior Engineer
Milford, DE
Job Title: Infrastructure Senior Engineer Work Model: Remote – Responsibilities Lead department initiatives including but not limited to new installations, upgrades, and support of servers, storage, firewalls, email, telecom, backup, data centers, mobi...
Date Posted: 09/16/2026 Recommended
-
Senior Software Engineer C#
Merrifield, Virginia
Senior Software Engineer C/C++ or C# Software Engineer Direct-Hire Location: Merrifield, VA – 4 days on-site/ 1 day remote Annual Salary Range: $105,000 to $120,000 plus benefits Federal End Customer: US Citizenship, eligibility for a Public Trust clea...
Date Posted: 09/08/2026 Recommended
-
Commissioning Engineer
Kemmerer, Wyoming
Job Title: Commissioning Engineer Location: Kemmerer, Wyoming Type: Contract Compensation: $69.00 - $115.00 Work Model: Onsite – onsite Overview System One is seeking multiple Commissioning Engineers to support our client for a 12 month contract. Initi...
Date Posted: 07/21/2026 Recommended
-
Fullstack Integration Engineer
NA, VA
Senior Full-Stack Integration Engineer Location: Remote – United States Experience: 5+ years of professional software engineering experience We are seeking a Senior Full-Stack Integration Engineer to design, build, and support cloud-based applications,...
Date Posted: 07/14/2026 Recommended
-
AI Engineer
Atlanta, Georgia
Job Title: AI Engineer Location: Atlanta, GA or the Washington, DC / Maryland / Virginia area Type: Direct Hire Compensation: $155,000.00 Work Model: Hybrid – onsite and remote Responsibilities Build and enhance production generative AI applications an...
Date Posted: 09/28/2026 Recommended
-
Primary Heat Transfer Engineer
Bellevue, WA
Job Title: Primary Heat Transfer Engineer Location: REMOTE Type: Contract Responsibilities Design of nuclear and industrial process systems and sub-systems from requirements through final design. Perform an array of analyses in support of design (therm...
Date Posted: 10/05/2026 Recommended
-
Manual QA Test Engineer
Knoxville , Tennessee
Job Title: Manual QA Test Engineer Location: Lafayette, Louisiana Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Develop and execute test cases, validate functionality across web and mobile platforms, and partner ...
Date Posted: 09/21/2026 Recommended
-
Manual QA Test Engineer
Lafayette, Louisiana
Job Title: Manual QA Test Engineer Location: Lafayette, Louisiana Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Develop and execute test cases, validate functionality across web and mobile platforms, and partner ...
Date Posted: 09/21/2026 Recommended
-
Senior Software Engineer
Huntsville, AL
Senior Software Engineer (Onsite) — Huntsville, AL Type: Contract-to-hire Work schedule: 40 hours/week Security clearance: Active Secret clearance or ability to obtain Pay rate: $117-125/HR Overview We’re hiring a Senior Software Engineer to lead and b...
Date Posted: 09/29/2026 Recommended
-
Packaging Engineer
Stamford, CT
Job Title: Packaging Engineer Location: Stamford, CT Work Model: Hybrid (Up to 2 days per week remote) Hours: M-F 8am-5pm Compensation: $75.00/hr Type: 2-year contract, Potential for extension or conversion to permanent Responsibilities Develops and de...
Date Posted: 10/02/2026 Recommended
-
Gas Distribution Engineer
Denver, Colorado
Job Title: Gas Distribution Engineer Location: Denver, Colorado Type: 12 month Contract Compensation: $42.00 - $44.50 per hour Work Model: Hybrid – onsite and remote Responsibilities • Support the planning, design, and execution of gas infrastructure p...
Date Posted: 09/09/2026 Recommended
-
Sr. Materials Engineer
Bellevue, WA
Job Title: Senior Materials Engineer Type: Long term Contract Compensation: $55.00 - $91.00 per hour Work Model: Remote – offsite Responsibilities Interface with project teams to provide material selection, processes, and requirements for reactor devel...
Date Posted: 10/05/2026 Recommended
-
Mechanical Engineer PE III
Coppell, TX
Job Title: Mechanical Engineer PE III Location: Coppell, TX Type: Direct Hire Compensation: $135,000.00 to $200,000.00 Work Model: Hybrid – onsite and remote Overview The Mechanical Professional Engineer III (PE III) serves as a senior technical leader...
Date Posted: 10/07/2026 Recommended
-
Nuclear Safety Analysis Engineer
Bellevue, WA
Job Title: Senior Safety Analysis Engineer Location: Bellevue, WA Type: Contract Compensation: $46.00 - $77.00 per hour Work Model: Remote – offsite Hours: 40.0 hours per week Responsibilities: Develop and update the nuclear power plant commissioning t...
Date Posted: 09/28/2026 Recommended
-
Senior Nuclear Safety Analysis Methods Engineer
Bellevue, WA
Job Title: Senior Nuclear Safety Analysis Methods Engineer Type: Contract (yearlong) Compensation: $69 - $115 hourly Contractor Work Model: Fully Remote Paid holidays and PTO System One is seeking a Senior Safety Methods Engineer to perform design and ...
Date Posted: 10/07/2026 Recommended
-
Mid Level Software Engineer C#
Merrifield, Virginia
Mid-Level Software Engineer C/C++ or C# Software Engineer Direct-Hire Location: Merrifield, VA – 4 days on-site/ 1 day remote Annual Salary Range: $95,000 to $105,000 plus benefits Federal End Customer: US Citizenship, eligibility for a Public Trust cl...
Date Posted: 09/08/2026 Recommended
-
Electrical Engineer
Weston, FL
Job Title: Electrical Engineer Location: Weston, FL Type: Contract Compensation: $53 - $58.61/hour Work Model: Onsite Hours: 40 Responsibilities Lead the electrical design and development of a major robotic subsystem. Translate product and system needs...
Date Posted: 09/18/2026 Recommended
-
Electrical Engineer
Weston, FL
Job Title: Electrical Engineer Location: Weston, FL Type: Contract Compensation: $53 - $58.61/hour Work Model: Onsite Hours: 40.0 Responsibilities Lead the electrical design and development of a major robotic subsystem. Translate product and system nee...
Date Posted: 09/18/2026 Recommended
-
Senior AI Software Engineer
Dallas, Texas
Job Title: Senior AI Software Engineer Location: Dallas, Texas Type: Direct Hire Work Model: Hybrid – onsite and remote Overview We're growing rapidly and are looking for Senior AI Software Engineers experience to join our Texas Business Unit. We're a ...
Date Posted: 09/20/2026 Recommended
-
Design Engineer Sr.
El Segundo, CA
Job Title: Design Engineer Sr. Location: On-site or Remote: Remote - Must be willing to relocate to Southern CA (El Segundo, CA) OR Austin, TX Type: 6-month contract with possibility of extension Compensation: $130 - $133 per hour Responsibilities • De...
Date Posted: 10/08/2026 Recommended
-
Network Automation Engineer
Cary, NC
Job Title: Network Automation Engineer Location: Cary, NC Type: Contract (Fully remote on eastern time schedule) Compensation: $75.00 per hour (USD 130,000 - USD 160,000 - yearly) Responsibilities Develop and maintain Python applications that connect t...
Date Posted: 09/11/2026 Recommended
-
Senior Mechanical Engineer (Vessels)
Bellevue, WA
Job Title: Senior Mechanical Engineer (Vessels) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Senior Mechanical Engineer to create design soluti...
Date Posted: 08/17/2026 Recommended
-
Senior System Safety Engineer
Tulsa, OK
Job Title: Senior System Safety Engineer Location: Tulsa, OK Type: Direct Hire Compensation: $175,000.00 Work Model: Remote – offsite Hours: 40.0 Security Clearance: Not specified i Overview The Senior System Safety Engineer is a hands-on technical lea...
Date Posted: 10/01/2026 Recommended
-
Linux Systems Engineer
Hollywood, Florida
Job Title: Linux Systems Engineer Location: Melbourne, FL Type: Contract To Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview System One is looking for a Linux Systems Engineer in either Melbourne or Mir...
Date Posted: 08/06/2026 Recommended
-
Linux Systems Engineer
Melbourne, FL
Job Title: Linux Systems Engineer Location: Melbourne, FL Type: Contract To Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview System One is looking for a Linux Systems Engineer in either Melbourne or Mir...
Date Posted: 07/27/2026 Recommended
-
Thermal Analysis Engineer
Bellevue, WA
Job Title: Thermal Analysis Engineer Type: Contract (6 months) Compensation: $52 - $85 hourly Contractor Work Model: Fully Remote System One is seeking a highly motivated Thermal Analysis Engineer. Tasks Perform thermal model development and/or model m...
Date Posted: 09/22/2026 Recommended
-
I&C Design Engineer
Bellevue, WA
Job Title: Design Engineer Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Remote Overview: We are seeking a talented and experienced Design Engineer specializing in Instrumentation and Control (I&C) for a contract opportunity with...
Date Posted: 09/03/2026 Recommended
⚠️ Protecting Job Seekers from Identity Scams
At System One, your privacy and security are important to us. As job-related scams continue to target job seekers, we want to help you recognize and avoid common recruitment fraud. Identity theft scams often involve individuals, also known as "scammers," posing as recruiters or employers to obtain sensitive personal information, such as Social Security numbers, bank account details, or copies of driver’s licenses, with the goal of stealing identities, accessing financial accounts, or creating fraudulent accounts in a victim’s name.