Front-End Development Engineer

Description

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 F ront-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’sdegree 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 Polygraph.

• Experiencewithmodern front-end libraries such asReactJS, with a minimum of 2 years professional experience.

• StrongproficiencyinHTML, CSS, andJavaScript/TypeScript

• Solid understanding of HTTP web requests for fetching JSONdata.

• Solid understanding of API-driven UX/UI interfaces

• Excellentverbal and writtencommunicationskillsand theability 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

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 $87,100.00 - $157,450.00

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 .

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected] .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (https://reportfraud.ftc.gov/#/) .

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.

REQNUMBER: R-00196898

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.