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Leidos

Expert Software Engineer

Leidos

Published 16 May 2026
USA
131K - 237K USD Annual
Full Time

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Role Highlights

Languages used

XML

Key skills

AI
Prompt Engineering
Distributed Systems
Web Services
Product Owner
Software Systems
Automated Testing
LLMs
Authentication
Cloud
Scrum
Agile
Backend
Data
IAM

Tools, Libraries and Frameworks

Rest
AWS
Jira
SpringBoot
EC2
Git
Jenkins
JSON
Docker
Elasticsearch
Java Spring

Description

The role involves creating new features for legacy applications and building new applications to meet evolving mission needs. The developer works with product owners and business analysts to translate business requirements into technical solutions. Responsibilities include analyzing and decomposing complex software systems to create designs focused on scalability, testability, and performance. The team operates within a Scrum agile framework to deliver incremental enhancements on a three-week cycle. Developers participate in planning deliverables, grooming the backlog, and performing operations and maintenance duties. The position requires being on-call for after-hours support on a rotating basis.

Required Qualifications and Skills

The role requires an active TS/SCI with Polygraph clearance. Candidates must possess a Bachelor of Science degree and at least 12 years of relevant experience, though additional experience may be accepted in lieu of a degree. Necessary technical expertise includes Java, Springboot, and Amazon Web Services for backend development. Applicants must demonstrate experience in translating business requirements into technical designs, working within Scrum agile teams, and managing data in XML, JSON, and YAML formats.

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Leidos

Size

33167

Founded

HQ

Reston, US

Public/Private

Public Company

Description

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. Our 47,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022. 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 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, visit careers.leidos.com for our latest opportunities.

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