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Description

Leidos is seeking **Software Engineers** to support the Catena project. In this hands-on position, you will work collaboratively to architect, design, build, deliver, and enhance highly available, scalable systems using modern technologies. You will play a key role in shaping the future of our front-end and back-end architecture, ensuring seamless deployment within an AWS environment using Serverless frameworks and GitLab CI pipelines.

This role is 100% remote but proximity to the Washington Metro Area is preferred.

_This posting is for multiple opportunities ranging in years of experience. Level of opportunity, including compensation, will be matched to a candidate’s experience._

Primary Responsibilities:

+ Design, develop, and maintain scalable and efficient front-end and back-end systems using modern programming languages and frameworks.

+ Write clean, maintainable, and well-documented code following best practices and coding standards.

+ Develop and maintain APIs, microservices, and server-side logic using languages like Java, Python, Node.js, or similar.

+ Deploy applications to cloud environments (e.g., AWS, Azure, Google Cloud) and ensure scalability and reliability.

+ Implement database solutions, including schema design, queries, and optimization for relational (e.g., PostgreSQL, MySQL) or non-relational (e.g., MongoDB, DynamoDB) databases.

+ Write unit, integration, and end-to-end tests to ensure code quality and functionality.

+ Collaborate with QA teams to identify and resolve bugs and performance bottlenecks.

+ Conduct peer code reviews to ensure quality, consistency, and adherence to best practices.

+ Provide constructive feedback to team members and incorporate feedback into your own work.

+ Debug and resolve technical issues across the stack, ensuring minimal downtime and optimal performance.

+ Identify and implement solutions to improve system reliability and user experience.

+ Communicate with internal team members across multiple areas and client team members.

+ Provide assistance and support for less experienced team members.

Basic Qualifications:

+ US Citizenship; Ability to obtain a DoD Secret security clearance.

+ Bachelor's degree with 4+ years of experience or a Master's degree with 2+ years of experience as a minimum qualification.

+ Experience developing software systems using Java or Python.

+ Proficiency in front-end development using React and Typescript.

+ Experience with Infrastructure as code tools like Terraform.

+ Experience developing and deploying software into cloud environments, particularly AWS.

+ Demonstrated experience working in a DevOps environment with a CI/CD pipeline.

+ Demonstrated experience with serverless frameworks for building scalable applications.

+ Strong verbal and written communication skills and the ability to interact at multiple levels of the organization from program teams to Sector leadership.

+ Expertise in GitLab CI/CD, with experience in creating pipelines for automated testing, deployment, and monitoring.

Preferred Qualifications:

+ Knowledge of supply chain logistics platforms and experience building systems that optimize workflows, inventory management, and resource allocation.

+ Recent experience within the National Security or Department of Defense with an understanding of those missions and operating environments.

+ Experience integrating AI/ML into software development.

+ Experience developing software systems in secure environments.

+ Scaled Agile Development experience or other formal Agile experience.

+ Certifications in Cloud technologies (AWS, Azure, Google Cloud, etc.) or Security technologies (CISSP, Security+, etc.).

+ Understanding of Leidos technology investments (e.g. IRAD).

+ Experience implementing solutions for multiple customers.

EIO2024

Come break things (in a good way). Then build them smarter.

We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.”

Original Posting:

September 29, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $85,150.00 - $153,925.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

\#Remote

REQNUMBER: R-00167655

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.