The Senior Software Engineer will serve as an experienced technical contributor solving complex technical issues and driving innovation within the team. This individual will play a key role in leading technical projects mentoring engineers and ensuring the delivery of secure high-quality software solutions. The role also emphasizes leveraging AI-assisted coding tools such as Claude Code to enhance productivity and innovation.
Key Responsibilities :
Lead the design development testing and maintenance of software solutions using C#.
Develop software that adheres to industry security standards and enhances security compliance.
Utilize AI-assisted coding tools such as Claude Code to streamline development processes and enhance code quality.
Evaluate and troubleshoot complex technical issues providing guidance to engineers and Field Service Engineers.
Interact with customers to understand requirements and provide technical solutions.
Develop project estimates for budgeting and scheduling including allocations for sustaining engineering and technical debt remediation.
Required Skills :
Desired Skills :
Education :
Come break things (in a good way). Then build them smarter.
Were the tech company everyone calls when things get weird. We dont wear capes (theyre a safety hazard) but we do solve high-stakes problems with code caffeine and a healthy disregard for how its always been done.
Original Posting : December 29 2025
For U.S. Positions : While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range :
Pay Range $107900.00 - $195050.00
The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience :
Senior IC
Key Skills
Spring,.NET,C / C++,Go,React,OOP,C#,AWS,Data Structures,Software Development,Java,Distributed Systems
Employment Type : Full-Time
Experience : years
Vacancy : 1
Monthly Salary Salary : 107900 - 195050
Senior Software Engineer • Vista, California, USA