Senior Web Application Developer

Leidos

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Indianapolis, IN
Salary
$107,900–$195,050 / yr
Posted
87 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $165k
This role $151k
$96k most similar roles pay here $219k

This role pays less than 65% of similar roles. Most pay $141,500–$188,125 — the shaded band above. At the midpoint, this role pays about $151k versus about $165k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 264 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 245 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Senior Web Application Developer

Sr. Web Application Developer The Sr. Web Application Developer serves as a technical leader, client liaison, and AI-enabled solutions engineer within the engineering team. This role involves designing and developing scalable web applications, managing full-stack architecture, and leading teams through code reviews and technical decision-making. The developer will build features such as intelligent search, summarization, and automation workflows while ensuring secure API designs and cloud-native architectures. Key technologies include .NET/C#, Node.js, Python, T-SQL, and front-end frameworks like React, Angular, or Vue. The role requires expertise in AWS and Azure environments, including serverless and containerized services, alongside DevSecOps practices. The position focuses on integrating AI/ML capabilities, such as LLMs via Azure OpenAI or AWS Bedrock, to solve complex problems while ensuring data privacy and high-performance standards across diverse client projects and mission-driven technical requirements.

What you'll do

  • Design and develop scalable web applications using .NET/C#, Node.js, and modern front-end frameworks.
  • Architect and deploy cloud-native solutions using microservices and serverless architectures on AWS or Azure.
  • Integrate AI/ML capabilities such as LLMs, intelligent search, and automation workflows into production systems.
  • Serve as a technical advisor to clients by translating business requirements into scalable technical solutions.
  • Lead engineering teams through code reviews, architectural decision-making, and technical mentorship.
  • Develop secure, high-performance RESTful APIs and ensure cross-platform interoperability.
  • Implement CI/CD pipelines and DevSecOps practices to optimize system reliability and performance.

What we're looking for

  • Must be a U.S. citizen and able to obtain a Public Trust clearance.
  • Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
  • 8+ years of experience in full-stack web application development using .NET/C# and modern JavaScript frameworks.
  • Hands-on experience integrating AI/ML capabilities, including LLMs and platforms like Azure OpenAI or AWS Bedrock.
  • Strong proficiency in T-SQL for writing and optimizing queries, stored procedures, and database objects.
  • Experience with cloud-native architectures on AWS and/or Azure, including serverless and containerized services.
  • Proven ability to lead engineering teams and serve as a technical advisor to clients.
  • Knowledge of DevSecOps, CI/CD pipelines, and secure application development practices.

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