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Lion Federal · 2 weeks ago

Software Developer SME, ACTIVE TS/SCI with FS Poly Required

Chantilly, VA

Full-time

Onsite

Senior Level, Lead/Staff

15+ years exp

Lion Federal is a fast-growing technology company supporting U.S. federal missions through secure, modern, and scalable solutions. They are seeking an experienced Software Developer SME to support mission-critical systems, focusing on modernizing legacy applications and building cloud-based solutions in an Agile environment.

Cloud ComputingConsultingSoftware

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Design, develop, and maintain software applications in cloud environments (AWS)

Modernize and transition legacy applications to cloud-based architectures

Develop and maintain RESTful APIs and full-stack applications

Work with Java, Spring Boot, Angular (TypeScript), and Elasticsearch

Build and manage custom ETL processes

Write scripts to deploy and configure applications in EC2 environments

Collaborate with cross-functional teams using Agile/Scrum methodologies

Perform unit testing, peer code reviews, and automated testing (e.g., Selenium)

Support containerized and virtualized environments

Mentor junior developers and contribute to engineering best practices

Qualification

JavaSpring BootAWSAngular (TypeScript)RESTful APIsETL developmentGitJenkinsSeleniumLinux command-lineAgile/ScrumUI/UX principlesAutomation frameworksContainerizationMentoring