Software Engineer

Leidos

Quick summary

Work type: On-site
Location: Reston, VA
Posted: 3 days ago
Nearby: 99+ roles within 25 mi

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Salary context

How this pay compares to similar roles

Similar $172k

$120k most similar roles pay here $220k

This listing doesn't post a salary. Most similar roles pay $132,963–$210,300.

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 237 open roles on FindRole.

Listed pay typically runs $107,900–$195,050 across 230 roles with salary data.

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At a glance

TL;DR · Software Engineer

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Leidos seeks a Software Engineer to join its dynamic R&D team, focusing on developing advanced Knowledge Management solutions that drive data-driven decision-making in critical national security missions. This role involves designing and building scalable platforms using data engineering, AI, and full-stack development techniques, including modern web applications, ETL pipelines, and secure cloud deployments. The ideal candidate will have experience with software development, system design, and proficiency in languages like Python, Java, or JavaScript/TypeScript, along with familiarity with React/Angular for front-end and FastAPI for back-end frameworks. Knowledge of cloud platforms (AWS), data management systems, and Generative AI APIs is essential, as is the ability to work in a fast-paced environment and collaborate effectively across teams.

Skills

Python Java C++ React Angular FastAPI SQL NoSQL AWS Docker ETL Generative AI OpenAI Anthropic pytest Playwright Linux Unix Jest CI/CD

What you'll do

Design and develop Knowledge Management systems including data pipelines, ontologies, and AI-enabled platforms.
Build modern web applications (front-end and back-end) to support search, discovery, and analysis functionalities.
Develop and maintain ETL pipelines and data lake architectures for efficient data management.
Integrate AI/ML capabilities, including Generative AI and LLM APIs, into software solutions.
Ensure software quality through rigorous testing, validation, and performance optimization processes.

What we're looking for

Experience in software development and system design with computer science principles.
Proficiency in Python, Java, C++, R, JavaScript/TypeScript, React/Angular, FastAPI.
Expertise in data pipelines, ETL processes, SQL/NoSQL databases, cloud platforms (AWS).
Knowledge of Generative AI/LLM APIs and software testing frameworks.
Ability to work in secure, cloud-based, containerized environments with Linux/Unix and Windows.
U.S. Citizenship required; TS/SCI clearance eligibility preferred.

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