Senior Full Stack Application Developer

Leidos; Tampa (FL); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos in Tampa, FL seeks an experienced Senior Full Stack Application Developer to design, build, and maintain secure end-to-end solutions for a DoD Contract Management Tool.

The role requires on-site work with some remote capability and a TS clearance. You will collaborate across UI/UX, QA, and mission stakeholders, implement RESTful APIs, and uphold security standards including RMF and STIGs while advancing CI/CD pipelines.

Qualifications

• Bachelor Degree and 8 years of experience; additional years of experience may be substituted in lieu of a degree.
• 8+ years of full stack development experience supporting web-based applications.
• Advanced experience with front-end frameworks (React, Angular, or Vue.js)
• Back-end expertise with C#, Node.js, .NET Core, Java, or Python.
• Experience with SQL/PostgreSQL and NoSQL databases.
• Knowledge of DevSecOps, Git version control, and CI/CD tools (GitLab, Jenkins, etc.)
• Working knowledge of cloud platforms (AWS, Azure, or GovCloud).
• Advanced understanding of application security, RBAC, and API development.
• Experience working within DoD or federal IT environments.

Responsibilities

• Develop and maintain scalable, secure full stack applications using modern frameworks and cloud technologies
• Collaborate with UI/UX designers, QA teams, and mission stakeholders to define, develop, and implement financial tool capabilities
• Integrate with DoD financial management systems and ensure data compliance with government regulations
• Build RESTful APIs and microservices that ensure clean, secure data pipelines
• Apply secure coding practices in accordance with DoD STIGs and RMF guidelines
• Implement role-based access controls and maintain system integrity through audit-compliant design
• Participate in Agile sprint cycles, code reviews, testing, and release processes
• Support DevSecOps pipeline integration and CI/CD automation

Skills

React

Angular

Vue.js

C#

Node.js

.NET Core

Java

Python

SQL/PostgreSQL

NoSQL

RBAC

API development

DevSecOps

Git

CI/CD

AWS

Azure

GovCloud

Education

Bachelor Degree

Tools

GitLab

Jenkins

Job description

Description

Leidos is seeking an experienced Senior Full Stack Application Developer located in Tampa, FL.

Position Summary

This position will support a Contract Management Tool, a mission-critical platform designed to modernize financial planning, execution tracking, and audit readiness for the Department of Defense (DoD). This developer will be responsible for designing, building, and maintaining secure full-stack solutions that support program transparency, fiscal responsibility, and operational agility. This opportunity requires local, on-site support with some remote capability.

Clearance Requirements

Must have an active Top Secret security clearance. TS/SCI preferred; US Citizenship required.

Primary Responsibilities

• Develop and maintain scalable, secure full stack applications using modern frameworks and cloud technologies
• Collaborate with UI/UX designers, QA teams, and mission stakeholders to define, develop, and implement financial tool capabilities
• Integrate with DoD financial management systems and ensure data compliance with government regulations
• Build RESTful APIs and microservices that ensure clean, secure data pipelines
• Apply secure coding practices in accordance with DoD STIGs and RMF guidelines
• Implement role-based access controls and maintain system integrity through audit-compliant design
• Participate in Agile sprint cycles, code reviews, testing, and release processes
• Support DevSecOps pipeline integration and CI/CD automation

Basic Requirements

• Bachelor Degree and 8 years of experience; additional years of experience may be substituted in lieu of a degree.
• 8+ years of full stack development experience supporting web-based applications.
• Advanced experience with front-end frameworks (React, Angular, or Vue.js)
• Back-end expertise with C#, Node.js, .NET Core, Java, or Python.
• Experience with SQL/PostgreSQL and NoSQL databases.
• Knowledge of DevSecOps, Git version control, and CI/CD tools (GitLab, Jenkins, etc.)
• Working knowledge of cloud platforms (AWS, Azure, or GovCloud).
• Advanced understanding of application security, RBAC, and API development.
• Experience working within DoD or federal IT environments.

Preferred Qualifications

• Bachelor’s or Master’s degree in Computer Science, Information Systems, or related field.
• Familiarity with DoD budgeting processes (e.g., POM, O&M, RDT&E).
• Experience developing financial or audit-traceable platforms.
• Understanding of STIGs, ACAS scanning, RMF documentation, and system hardening.
• Prior work on software tools used for budget forecasting, contract execution, or manpower allocation.

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

September 2, 2026

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 $107,900.00 - $195,050.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay And Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.