Sr. UIUX Front-End Development Engineer
Sr. UIUX Front-End Development Engineer
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$ 104650 - 189175
1 Vacancy
Job Description
Are you ready to join the 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. We are seeking a skilled Sr. UI/UX Front-End Engineer. You will develop high-quality web applications using a state-of-the-art technology stack in support of an emerging program. The DOMEX Technology Platform (DTP) program is a next generation platform utilizing AI to provide cutting edge data enrichment triage and analytics capabilities to Defense and Intelligence Community partners. While most tasks are conducted on-site at our client location in Bethesda MD we offer a flexible work schedule and occasional remote work. The percentage of remote work will vary based on client requirements/deliverables.
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.
You will work closely with end users analysts software and data engineers and data scientists on the following key tasks:
- Develop and maintain web applications using ReactJS and Python.
- Coding testing and debugging new and/or existing web applications.
- Implementing and refining user interfaces.
- Conducting thorough unit testing via automated tooling.
- Collaborating with other team members (internal and external) to ensure optimal performance and usability.
- Peer reviewing code written by fellow team members.
- Utilizing virtualization technologies like Docker and Podman.
You bring enthusiasm and initiative while having the ability to work well with people from different disciplines with varying degrees of technical experience and meet the following qualifications:
- Bachelors degree in Computer Science Information Systems Engineering Business or a scientific or technical discipline plus 8-12 years relevant experience.
- Experience with modern front-end libraries such as ReactJS and/or Angular with a minimum of 2 years professional experience.
- Strong proficiency in HTML CSS and JavaScript.
- Solid understanding of HTTP web requests for fetching JSON data.
- Excellent verbal and written communication skills and the ability to write well-documented code.
- Must possess an Active Top Secret/SCI clearance and ability to obtain and maintain a Poly.
You will wow us even more if you have some of these:
- A genuine passion for creating great user experiences.
- Experience with writing frontend unit tests.
- Experience with writing backend web API services especially Python.
- Experience coding in other languages such as Python.
- Familiarity with NoSQL datastores such as Elasticsearch.
- Familiarity with performance optimization techniques.
- Up to date with emerging front-end technologies.
#NMECDTP-Leidos
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
September 15 2025For 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 $104650.00 - $189175.00The 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.
Required Experience:
Senior IC
Employment Type
Full-Time
