> Markdown version of [/jobs/ext/202631-sr-net-software-developer](https://www.wearedevelopers.com/jobs/ext/202631-sr-net-software-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr .NET Software Developer - **Company:** Leidos, Inc. - **Location:** United States - **Experience:** Expert - **Salary:** $107,900.0 - $195,050.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), .NET Framework, Agile Methodology, Unit Testing, C Sharp (Programming Language), Cascading Style Sheets (CSS), Cloud Database, Continuous Delivery, Continuous Integration, Relational Databases, DevOps, Language Integrated Query, Entity Framework, JSON, PostgreSQL, Microsoft SQL Server, MySQL, Object-Oriented Software Development, Oracle (Applications), Software Engineering, Software Systems, SonarQube, SQL Databases, TypeScript, Web Applications, Extensible Markup Language (XML), Backend, AngularJS, Bitbucket, Web Technologies, Front End Software Development, Restful APIs, Jenkins, Programming Languages, Microservices - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=8586cd95a304ccb3 ## About the Role To be successful in this role, you will need extensive knowledge of languages and the software development lifecycle. Ability to obtain a Public Trust Security Clearance Suitability (To be eligible for Public Trust Security Clearance, one must be either a U.S. Citizen OR a U.S. Permanent Resident/Green Card holder who has resided in the U.S.A for the past 3 years.), * Bachelors degree and a minimum of 8 years of prior relevant experience. Additional years of experience or education will be considered in place of a degree. * Experience delivering entire projects or processes spanning multiple technical areas. * Deep understanding of software lifecycle. * Working knowledge of Agile Development, continuous integration, and continuous delivery methodologies and tools. * Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques. Must have: * The ability to complete tasks independently with minimal direct supervision. * The ability to work and collaborate effectively within a multi-disciplined engineering team. * Experience working with the .NET framework, Entity framework and Linq * Experience working with Angular 9 or greater * Experience working with languages (C#) * Experience working with basic web technologies (XML, REST, JSON) * Experience working with frontend web technologies (Javascript, Typescript, HTML, SCSS) * Hands-on experience in DevOps and CI/CD tools integrations (Bitbucket, SonarQube, Etc.) * Experience with Microservice Architecture * Experience with writing and implementing Unit Tests * Experience working with Agile Development methodologies. * Experience with leveraging Cloud data services * Experience working with at least one Relational Database Management System (PostgreSQL, Oracle, MySQL, SQL Server, etc.). * Experience working with a Jenkins pipeline. If 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. ## Description * Develop, enhance, and maintain .NET applications and handle front and backend development procedures. * Perform tasks using SQL database systems * Design, configure, develop, and implement enhancements and production fixes to existing systems. * Develop and implement new systems and ensure their configuration is handled correctly. * Use development best practices and appropriate patterns to develop required software solutions. * Create and maintain technical documentation, including user manuals and guides. * Formulate and define system scope and objectives based on the individual needs of each user. * Analyze and revise existing system logic difficulties and ensure that technical knowledge of all phases of application systems is maintained. * Develop, maintain, and support existing web applications and analyze and convert business requirements as needed. * Perform object-oriented analysis and design, and diligent testing to ensure optimal performance of all assigned systems and system modules. ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) ## Related Articles - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)