Senior Backend Software Engineer - TS/SCI Eligible

Leidos LLC; Chantilly (VA); On-site; USD 108,000 - 195,000; Full time

Benefits offered by this job

Competitive compensation

Health and Wellness programs

Income Protection

Paid Leave

Retirement

Job summary

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE program supporting sponsor’s web-based applications. The role involves working with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers; backend emphasis on web services.

After a one-year onboarding, on-call duty rotation and core hours 9 AM–3 PM, five days a week, 40 hours total. Requires TS/SCI w/ Poly and 8+ years’ experience in backend development.

Qualifications

• Active TS/SCI with Polygraph is required.
• Strong Java programming skills / Java persistence API experience for complex database schemas.
• Java web services experience (JAX/WS).
• Strong Linux (CLI) knowledge.
• Experience in Agile environments and Spring Boot.
• Cloud experience with AWS is preferred, including Java integration with AWS services.
• Additional languages: Python, JavaScript, Bash, XML, JSON, YAML, SQL, PL/SQL.
• Software: GitHub/Git, ELK, Jenkins, Puppet, NAGIOS.

Responsibilities

• Support a 200+ FTE program with backend-focused development.
• Collaborate within a large team of developers, DevOPS, security, and data engineers.
• Develop and maintain web services and backend components.

Skills

Java programming

JAX/WS

Spring Boot

Linux CLI

Agile workflows

AWS

Python

JavaScript

SQL/PLSQL

Git / GitHub

ELK

Jenkins

Puppet

NAGIOS

Education

BS degree

Tools

GitHub / Git

ELK Stack

Jenkins

Puppet

NAGIOS

Job description

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE program supporting sponsor’s web-based applications. The role involves working with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers; backend emphasis on web services.

After a one-year onboarding, on-call duty rotation and core hours 9 AM–3 PM, five days a week, 40 hours total. Requires TS/SCI w/ Poly and 8+ years’ experience in backend development.