"Alerted.org

Description

We’re looking for an experienced **Senior Software Developer** to join our growing team. The ideal candidate is a strong full-stack engineer who is comfortable working across modern front-end frameworks and .NET back-end technologies. This is a great opportunity to contribute to the architecture, design, and development of scalable, secure, and high-performing business solutions.

Key Responsibilities

+ Design, develop, and maintain web applications using **.NET Core** , **Entity Framework Core** , and **ReactJS** .

+ Implement modern front-end experiences with **Vite** and other modern build tools.

+ Develop and maintain integrations and customizations within **SharePoint** (basic knowledge required).

+ Build and optimize **MS SQL** database structures, queries, and stored procedures.

+ Collaborate with product owners, UX/UI designers, and other developers to deliver high-quality software solutions.

+ Manage CI/CD pipelines and source control using **Azure DevOps** .

+ Participate in code reviews, technical planning sessions, and architecture discussions.

+ Troubleshoot, debug, and optimize application performance.

+ Follow best practices in security, scalability, and maintainability.

Required Skills & Experience

+ 10+ years of professional software development experience.

+ Active TS/SCI (or Eligible)

+ Bachelors in IT, Cybersecurity, Computer Science, Information Systems, Data Science, or Software Engineering OR Active CSSLP, GSEC, or CISSP-ISSAP

+ Strong proficiency in **C#** , **.NET Core** , and **Entity Framework Core** .

+ Experience with **ReactJS** and modern front-end workflows (including **Vite** ).

+ Solid understanding of **MS SQL Server** and relational database design.

+ Familiarity with **SharePoint** development and integration (basic level).

+ Proficiency with **Azure DevOps** , Git, and CI/CD pipelines.

+ Proficiency using **Visual Studio** and/or **Visual Studio Code** .

+ Strong problem-solving skills and the ability to work in a fast-paced, collaborative environment.

Nice to Have

+ Experience with Azure Cloud services.

+ Familiarity with containerization (Docker, Kubernetes).

+ Knowledge of modern authentication protocols (e.g., OAuth, OpenID Connect).

At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”

If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.

Original Posting:

October 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 $89,700.00 - $162,150.00

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.

REQNUMBER: R-00169652

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.