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Sr. Web Application Developer

LeidosIndianapolis, IN🇺🇸United StatesPosted Sep 28, 2026

Why This Role Stands Out

This hybrid Sr. Web Application Developer role at Leidos offers significant growth potential by leading innovative AI-enabled solutions and engaging directly with clients. You'll thrive if you have a strong full-stack background and a passion for integrating cutting-edge AI/ML technologies, with a competitive salary range of $107,900 - $195,050 yearly. Apply now to shape the future of web applications!

Quick Overview

Salary
$107.9k - $195.1k/yr
Seniority
Mid Senior
Employment type
Full Time
Work mode
Hybrid
Location
Indianapolis, IN, United States
Posted
2 weeks ago
MicroservicesNode.jsSQLT-SQLAWSAzureC#.NETJavaScriptLLM

Job Description

We're hiring on behalf of a Haystack partner!

The Role

  • Lead the architecture, design, and development of modern web applications using a diverse technology stack including .NET/C#, Node.js, and front-end frameworks.
  • Design and implement scalable, cloud-native solutions leveraging microservices and serverless architectures.
  • Integrate AI-enabled application features, such as LLM integration and intelligent search capabilities.
  • Serve as a primary technical interface to clients, translating business needs into scalable technical solutions.
  • Architect and deploy applications in cloud environments like AWS and Azure, leading CI/CD pipeline implementation.
  • Mentor developers and lead code and architecture reviews to foster a culture of innovation.

What You'll Need

  • 8+ years of experience in full-stack web application development, including .NET/C# and modern JavaScript frameworks.
  • Demonstrated experience working with multiple web technologies beyond .NET.
  • Strong hands-on experience with T-SQL, including writing and optimizing SQL queries.
  • Hands-on experience integrating or developing AI/ML capabilities, such as working with AI APIs or implementing intelligent application features.
  • Strong experience with AWS and/or Azure cloud platforms, including serverless architectures.
  • Proven ability to lead teams and engage directly with clients, with strong communication skills.

What's On Offer

  • Competitive annual salary ($107,900 - $195,050) plus potential for bonuses.
  • Opportunity to work with cutting-edge AI/ML technologies and cloud-native architectures.
  • Be a technical leader and trusted advisor to clients, shaping innovative solutions.
  • Comprehensive benefits package including health and wellness programs, income protection, paid leave, and retirement plans.

Apply via Haystack today!

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