Junior – Mid .NET Software Developer

Description Junior – Mid .NET Software DeveloperLocation: Hybrid/onsite in Bethesda, MD – onsite 2-3 days All candidates MUST:Be local to the DC Metro area ANDBe a US Citizen or US Person (Green Card Holder) in the United States for the current three consecutive years with the ability to obtain a Public Trust Clearance We are seeking a Jr/Mid level .NET Software Developer to join our task force supporting the Government Health and Safety Solutions Operation in Bethesda, MD. This role supports mission-critical federal health enterprise systems and provides the opportunity to work on modern, scalable solutions in both on-prem and Azure cloud environments.Position OverviewThe selected candidate will research, design, develop, and maintain enterprise applications for our Leidos clients using Microsoft .NET technologies and Azure cloud services. This role involves full lifecycle development in an Agile environment, following secure development practices and modern DevSecOps methodologies.ResponsibilitiesDesign, develop, test, and maintain scalable, secure, and maintainable enterprise applicationsDevelop .NET applications on Microsoft Azure, including Azure Functions, Web APIs, and Logic AppsWrite clean, defect-free code following software engineering best practices (code reuse, refactoring, CI/CD, secure coding, TDD)Support software configuration management and understand software component interfaces and dependenciesBuild and maintain CI/CD pipelines using GitHub Actions, DevSecOps, and the Azure platformCollaborate with customers, analysts, architects, DBAs, operations, and testers in an Agile Scrum environmentContribute proactively to software quality, continuous improvement, and cloud modernization initiativesGain and apply working knowledge of Azure AI Foundry and Copilot Studio to support intelligent and AI-enabled application capabilitiesKey Technical ResponsibilitiesDesign and develop applications using MVC, .NET Core, REST, XMLDevelop C# applications using Microsoft Visual Studio and ORM frameworksBuild Windows console applications using object-oriented principlesDevelop and maintain SQL Server, MySQL database scripts using SQL and T-SQLDesign and develop responsive web user interfaces using HTML5, JavaScript, Bootstrap, jQueryDesign and develop graphs and charts using Telerik UI and third-party componentsDesign and implement Web Services, WCF, and Web APIsImplement middleware and application-level security and authenticationDevelop reports and dashboards using Power BI and SSRSRequired Education Experience & SkillsBachelor’s degree in Computer Science, Information Technology, or a related discipline2-4 years of relevant professional experienceStrong experience with C#, MVC, .NET Core, , Entity FrameworkExperience developing RESTful and SOAP-based web servicesExperience developing .NET applications in Microsoft AzureHands-on experience with Azure Functions, Web APIs, and Logic AppsExperience building enterprise-scale applications using databases, Windows services, and web servicesStrong understanding of object-oriented design and C# console application developmentFront-end experience with HTML5, CSS3, JavaScript, Bootstrap, jQuery, AJAXExperience with Telerik UI or similar third-party UI frameworksStrong experience with SQL Server, T-SQL, stored procedures, and functionsExperience creating reports and dashboards using Power BI and SSRSProficiency with Git and modern source control practicesFamiliarity with Azure DevSecOps and cloud security best practicesWorking knowledge of Azure AI Foundry and Copilot Studio, or willingness to learnAbility to multitask and thrive in a fast-paced, dynamic environmentStrong verbal and written communication skillsPreferred QualificationsExperience working in federal or healthcare environmentsMicrosoft Certified: DevOps Engineer ExpertAzure certifications are a plusIf you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.Original Posting:January 30, 2026For 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 $69,550.00 - $125,725.00The Leidos pay range for this job level is a general guideline only and 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.About LeidosLeidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit .Pay and BenefitsPay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at /careers/pay-benefits.Securing Your DataBeware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Created: 2026-02-01