Front-End Software Engineer

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening for you, our next TS/SCI cleared Front-end Software Engineer to play a critical role on the DOMEX Technology Platform (DTP) Program where we support our client’s mission to centralize and standardize Tasking, Collection, Processing, Exploitation and Dissemination (TCPED) of Open Source Intelligence (OSINT) across the DoD and Intelligence Community (IC) enterprise. We integrate off the shelf and newly developed software to sustain and enhance the TCPED platform. We leverage cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge data exploitation, enrichment, triage, and analytics capabilities to Defense and IC members. DTP advances the state of the art in mission-focused big data analytics tools and micro-service development spanning the breadth of Agile sprints to multiyear research and development cycles.

While most work is conducted on-site at our client location in Bethesda, MD, we offer a flexible schedule and, occasionally, some tasks may be performed remotely.

Candidates must have a demonstrated ability to work in a dynamic and challenging environment and possess a solid understanding of the software development life cycle all while working within an Agile framework.

Primary Responsibilities: You will work closely with the team on the following key tasks

• Design, develop, test, and maintain modern user interfaces and business process workflows for TCPED workflows
• Write unit and integration tests; ensure high code coverage and reliability
• Build CI/CD pipelines for your services and deploy them in Kubernetes clusters
• Participate in design discussions, code reviews, and architecture planning
• Monitor and troubleshoot production issues with observability tools
• Contribute to technical documentation and knowledge sharing within the team
• Utilize software engineering and design methodologies appropriate to the development, integration, and production environment
• Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customers

Basic Qualifications (required):

• Bachelor’s degree in Computer Science, Information Systems, Engineering, Business, or a scientific or technical discipline, plus 4 - 8 years relevant experience. 
• Active Top Secret/SCI clearance and ability to obtain and maintain a CI Polygraph. 
• Experience with modern front-end libraries such as ReactJS, with a minimum of 2 years professional experience. 
• Strong proficiency in HTML, CSS, and JavaScript/TypeScript
• Solid understanding of HTTP web requests for fetching JSON data. 
• Solid understanding of API-driven UX/UI interfaces
• Excellent verbal and written communication skills and the ability to write well-documented code. 

You will wow us even more if you have some of these skills:

• Experience with Python and FastAPI framework for server side API development
• Experience with Node.js applications in a GitLab CI/CD processes
• Current DoD 8570.01M IAT Level II (or higher) certification, such as Security+, CySA+, SSCP, CCNA Security, or CISSP (or Associate)
• Ability to obtain and maintain Privileged User Account (PUA) certification
• Experience with building Docker images & deploying them in Kubernetes
• Experience with Amazon Web Services (AWS/C2S)
• Familiarity or experience with building applications around Large Language Models, Agentic AI

#NMECDTP-ALL

DTP

#NMECDTP-Leidos

#ASBA

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:

November 12, 2026

Pay Range:

Pay Range $87,100.00 - $157,450.00

The 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.