Sr. Web Application Developer Security Clearance
Job in
Indianapolis, Marion County, Indiana, 46250, USA
Listed on 2026-08-30
Listing for:
Leidos
Full Time
position Listed on 2026-08-30
Job specializations:
-
Software Development
Full Stack Developer, AI Engineer (Applied/Software), Software Architect
Job Description & How to Apply Below
R
- Description We are seeking a highly experienced Senior Web Application Developer to serve as a technical leader, client liaison, and AI-enabled solutions engineer. This role requires a well-rounded full-stack background across modern web technologies, including but not limited to .NET/C#, JavaScript frameworks, cloud-native architectures, and emerging AI/ML integrations. The ideal candidate brings 8+ years of experience building scalable web applications, combined with hands-on experience incorporating AI/ML capabilities (e.g., generative AI, APIs, or data-driven models) into production systems.
This individual will act as a trusted advisor to clients, shaping technical direction while leading engineering teams to deliver innovative, secure, and high-performing solutions. Primary Responsibilities Full-Stack Architecture & Technical Leadership
* Lead the architecture, design, and development of modern web applications across a diverse technology stack, including .NET/C#, Node.js, and front-end frameworks (React, Angular, Vue).
* Design and implement scalable, cloud-native solutions using microservices and serverless architectures.
* Establish and enforce engineering best practices, coding standards, and architectural patterns across teams. AI/ML Integration & Intelligent Solutions
* Design and implement AI-enabled application features, such as:
* Integration with LLMs and AI APIs (e.g., Azure OpenAI, AWS Bedrock, or similar platforms)
* Intelligent search, summarization, recommendation systems, or automation workflows
* Collaborate with stakeholders to identify opportunities where AI can enhance user experience, decision-making, or operational efficiency.
* Ensure responsible and secure use of AI technologies, including data privacy, governance, and model evaluation. Client Engagement & Technical Strategy
* Serve as a primary technical interface to clients, translating business needs into scalable technical solutions.
* Lead solutioning sessions, architecture discussions, and technical briefings with stakeholders.
* Provide strategic guidance on modern web technologies, cloud adoption, and AI integration.
* Build strong client relationships as a trusted technical advisor. Advanced Web Application & API Development
* Oversee development of secure, high-performance web applications and RESTful APIs.
* Ensure interoperability and cross-platform integration across systems.
* Drive best practices in API design, versioning, and performance optimization. Cloud & Dev Ops Enablement
* Architect and deploy applications in AWS and Azure, leveraging serverless and containerized services.
* Lead CI/CD pipeline implementation and Dev Sec Ops practices.
* Optimize systems for scalability, reliability, and cost efficiency in cloud environments.
Team Leadership & Mentorship
* Mentor developers across multiple technology stacks, not limited to .NET.
* Lead code reviews, architecture reviews, and technical decision-making.
* Foster a culture of innovation, continuous learning, and engineering excellence.
Security, Performance & Quality
* Ensure applications meet modern security standards, including secure API design and cloud security best practices.
* Implement comprehensive testing strategies and performance monitoring.
* Continuously improve system resilience, scalability, and maintainability.
UI/UX & Modern Web Practices
* Collaborate with UI/UX teams to deliver responsive, accessible, and user-centric applications.
* Drive adoption of modern front-end architecture and performance optimization techniques.
Innovation & Continuous Improvement
* Stay current with emerging web and AI technologies, evaluating their applicability to client missions.
* Introduce new tools, frameworks, and AI capabilities to improve delivery and innovation. Basic Qualifications
* Must be able to obtain a Public Trust prior to starting (US Citizenship Required).
* Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
* 8+ years of experience in full-stack web application development, including .NET/C# and modern JavaScript frameworks.
* Demonstrated experience working across multiple…
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