Senior Software Developer
At a glance
Senior Software Engineering role at Leidos. Chantilly · full-time · $107,900–$195,050 base.
techroles summary, based on the employer's posting.
What you'll do
- Build backend components for web applications, with web services likely taking priority over full-stack work
- Use Java and persistence tools to work with complex database structures and deliver Java web services
- Work with developers and DevOps, security, systems, and data engineers on an Agile team
- After a year of onboarding, take a one-week on-call turn to resolve system issues outside normal hours
What you bring
- An active TS/SCI clearance with polygraph is required
- A bachelor’s degree and at least eight years of experience, or additional experience in place of the degree
- Six to ten years of developer experience with a backend focus, plus strong Java and Java persistence API skills
- Experience with Java web services, Linux command-line work, Agile team processes, and Spring frameworks or Boot
Who this fits
This senior role suits a backend-focused developer comfortable contributing across the stack and collaborating with a large engineering team. Core hours run from nine to three, five days a week, within a forty-hour work week. After the first year, you’ll join a weekly on-call rotation and handle issues that arise outside regular hours.
From the employer
Leidos is seeking a Senior Software Developer-SME for a 200+ FTE technical development program supporting the Sponsor’s Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers. The developer will be full stack knowledgeable, but will likely be focused on technical backend work (e.g., web services).
The candidate must have 6-10 years of demonstrable developer experience with a backend emphasis. Additionally, after a one-year onboarding period, the candidate will be required to be included in an on-call, one week duty rotation that will require them to address any system issues that occur after normal working hours.
Core hours are from 9 AM to 3 PM daily, five days per week, with a forty-hour work week.
Required Quals
- Active TS/SCI with Polygraph is required.
- BS degree and 8+ years experience. Additional experience in lieu of degree
- Strong Java programming skills / Java persistence API experience for complex database schemas
- Java web services experience (JAX/WS)
- Strong understanding, knowledge of Linux (CLI)
- Experience in working on teams utilizing Agile workflows and processes
- Working knowledge of the Spring frameworks/Boot
Desired Quals
- Experience with development in Cloud-based environments (e.g., AWS), Java integration with AWS services
- Databases: Oracle, Oracle RDS
- Frameworks: Vue.js, Bootstrap/Vuetify
- Additional programming/scripting languages:
- Python, JavaScript, Bash, XML, JSON, YAML, SQL and PL/SQL
- Software:
- GitHub / Git, ELK (Elasticsearch, Logstash, Kibana), Jenkins, Puppet, NAGIOS
FIP
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
August 11, 2026For 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 $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and 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.
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