Junior Software Developer jobs in United States
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Leidos · 3 weeks ago

Junior Software Developer

positionUnited States
timeFull-time
remoteRemote
seniorityEntry Level
money$70K/yr - $126K/yr
date2+ years exp

Leidos is a tech company that focuses on solving high-stakes problems with innovative solutions. They are seeking a junior software developer to build and sustain mission-focused web applications for defense customers, contributing across the stack with technologies like .NET and Vue.js.

ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware
badNo H1BnoteSecurity Clearance RequirednoteU.S. Citizen Onlynote

Responsibilities

Full-stack development: Implement backend services in C# (.NET/ASP.NET) and front-end features in Vue.js and Nuxt, integrating with SQL Server
Secure coding: Apply best practices, input validation, logging, and error handling aligned to audit requirements
Data and APIs: Build RESTful APIs, write T-SQL queries and stored procedures for reliability and performance
Team collaboration: Work with QA, and DevOps to meet SLAs, resolve defects, and support fielded systems

Qualification

C# (.NET/ASP.NET)Vue.jsSQL ServerRESTGit workflowsSecure codingJavaScript/TypeScriptUnit/integration testingCI/CDAPI integrationUX fundamentals

Required

U.S. citizenship and ability to obtain/maintain a TS/SCI DoD security clearance as required by contract
Bachelor's Degree with 2 years of applicable experience or 4 additional years of experience in lieu of degree
Basic experience with C# (.NET/ASP.NET), JavaScript/TypeScript, Vue.js or similar framework, and SQL Server
Understanding of REST, HTTP, JSON, and relational database design
Familiar with Git workflows and pull requests
Writes readable, tested code; receptive to feedback and code reviews
Familiarity with secure coding concepts and least-privilege design

Preferred

Experience with unit/integration testing and basic performance profiling
Exposure to CI/CD (Azure DevOps, GitLab CI, Jenkins) and work item tracking (Jira/Azure Boards)
Experience consuming external services and handling auth flows (OAuth/JWT)
Ability to build accessible, responsive UIs with component libraries and state management

Company

Leidos

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Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health.
dateFounded in 1969
location
Reston, Virginia, USA
people-size10001+ employees
web-link
https://www.leidos.com/

Funding

Current Stage
Public Company
Total Funding
unknown
2025-02-20Post Ipo Debt
2013-09-17IPO

Leadership Team

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James Carlini
Chief Technology Officer
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Theodore Tanner
Chief Technology Officer
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Recent News

Fortune
Fortune 500 Power Moves: Which executives gained and lost power this week
2025-12-20
MarketScreener
Leidos Names Theodore Tanner Chief Technology Officer
2025-12-16
Benzinga.com
Citigroup, Leidos Holdings And More On CNBC's 'Final Trades'
2025-12-16
Company data provided by crunchbase