Experienced full‑stack developer needed to design, implement, and sustain mission‑focused web applications for defense customers. You will deliver robust backend services in .NET, craft responsive front‑end experiences with Vue.js, and design/optimize SQL Server databases. Work is performed within disciplined SDLC, change‑control, and secure delivery processes supporting deployed systems and field users.
This position can be worked remote, but strong preference will be given to candidates local to Newport News, VA
Key responsibilities
- Design and implement backend APIs and services using C# (.NET Core / ASP.NET) that meet performance, reliability, and security requirements.
- Develop responsive, component‑based UIs with Vue.js, Nuxt, Tailwind and other modern tooling.
- Design, optimize, and maintain SQL Server schemas, stored procedures, indexes, and query performance.
- Integrate applications with authentication/authorization systems (OAuth2/JWT, SAML) and external services.
- Produce clear technical documentation, and deployment artifacts for controlled and/or air‑gapped environments.
- Participate in code reviews and bug triage. Mentor junior engineers and coordinate knowledge transfer.
- Collaborate with product, QA, and systems teams to meet contract milestones and accreditation needs.
Required qualifications
- Bachelor’s Degree with 4–6 years professional software development experience with demonstrable work in full‑stack projects. 4 additional years of experience in lieu of degree
- U.S. citizenship and ability to obtain/maintain a TS/SCI clearance
- Strong proficiency in C# and .NET Core / ASP.NET development.
- Practical experience building front ends with Vue.js (or comparable modern JS/TS frameworks) and modern front‑end tooling.
- Solid experience with SQL and relational database design.
- Familiarity with RESTful API design, HTTP, JSON, and authentication patterns (Open API/Swagger).
- Experience with Git and collaborative development workflows, branching, and pull requests.
- Strong debugging, problem‑solving, and communication skills; ability to work within structured, audited processes.
Preferred qualifications
- Experience with Microsoft SQL Server: schema design, T‑SQL, procedures, performance tuning.
- Exposure to CI/CD and DevSecOps toolchains (Azure DevOps, GitLab CI, automated test suites).
- Experience with TypeScript, unit/integration testing frameworks, and front‑end component libraries.
- Experience packaging and deploying software into constrained or air‑gapped environments.
- Familiarity with performance and load testing tools and practices.
- Experience mentoring or leading small engineering teams and supporting junior staff growth.
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.
Original Posting:October 8, 2025For 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.
The 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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
