External Job Posting Title Front-End Software Engineer
$104k - $166kPeraton
Responsibilities Peraton Labs is seeking a poly cleared Front-End Developer to join our team in support of a mission-focused research program with our Maryland customer. In this role, you will build compelling, intuitive, and high-performance web applications used across a diverse set of internal R&D efforts and customer-facing demonstrations. You’ll collaborate closely with engineers, researchers, and government stakeholders to deliver modern user experiences that sit on top of complex data, services, and prototype systems. This position supports a dynamic team of Peraton Labs, customer, and subcontractor personnel. The ideal candidate is creative, self-sufficient, process-improvement oriented, and able to learn quickly while delivering production-quality interfaces in a fast-paced environment. This position requires full-time on-site work at a customer site near College Park, MD. Key responsibilities may include: Design and develop modern UIs using HTML/CSS and JavaScript/TypeScript, delivering clean, usable interfaces for research systems, dashboards, analytic tools, and prototype applications Build and evolve front-end features by designing and coding improvements to existing applications (add capabilities, improve usability, or increase performance) Integrate front-end applications with backend services, including RESTful APIs and related service interfaces Develop and implement data access patterns (as appropriate), including collaborating on the creation of queries for existing or proposed databases/data repos (SQL/NoSQL) Collaborate with technical staff to implement UI-driven workflows that ensure end-to-end performance and functional standards are met in relation to latency, throughput, responsiveness, and data-fidelity Assist with test and verification activities, including developing and executing test procedures for UI components and prototype workflows Analyze system workflows and user needs by conferring with internal teams, evaluating data usage and processes, and identifying problem areas to propose practical improvements Modify existing software to correct deficiencies, adapt to new hardware and environments, or improve performance, stability, and user experience Support technical leadership- this may include leading a feature area, mentoring teammates, owning a UI subsystem, or coordinating UI deliverables across a small effort This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process. Qualifications Minimum qualifications Minimum of 3+ years of experience and a Bachelors, 1+ years and a Masters, or a PhD in Computer Science or related discipline. 4 additional years of experience may be used in lieu of a degree for a total of 7 years of experience Professional experience building applications using HTML/CSS and JavaScript/TypeScript Experience with at least one modern front-end framework such as React, Vue, or Angular Experience consuming and integrating RESTful APIs in a full-stack environment Working knowledge of SQL and/or NoSQL concepts Familiarity with modern development workflows: Git-based version control, code review, issue tracking, and basic CI/CD concepts Working familiarity (via professional use, academic work, or personal projects) with Python and other programming languages Ability to operate effectively in a secure, mission-oriented environment and deliver clear written and verbal communication while working directly with technical stakeholders and government customers US Citizenship with an active/current TS/SCI w/ Polygraph is a requirement for this position Preferred qualifications Experience building data-rich UIs (analytics dashboards, data exploration tools, workflow orchestration UIs) Familiarity with data visualization libraries and patterns Experience with real-time or streaming interfaces Strong testing background: unit, integration, and end-to-end UI tests Experience with design, development, test, verification, and certification of operational software in sensitive mission environments Working knowledge of Linux, containers (Docker), and developer tooling in constrained/secure environments Experience improving UX through accessibility, response design, and user-centered iteration with stakeholders Demonstrated ability to rapidly learn new technologies and apply them to novel research prototypes Target Salary Range $104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. EEO Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law. #J-18808-Ljbffr Peraton
$86k - $138k
Responsibilities Peraton is looking to hire a Software Engineer in the Washington DC Metro area. This role will be a remote position. At times the role will also require travel to the Quantico client site when necessary. What you’ll do: Develop technical solutions to...SuggestedContract workLocal areaRemote workShift work$104k - $166k
Peraton is seeking a poly cleared Front-End Developer to join our team in Maryland. The successful candidate will build high-performance web applications supporting mission-focused research. The role requires proficiency in HTML/CSS and JavaScript along with experience...Suggested$108k - $195k
# Front-end Senior Software EngineerTightFull TimeseniorWashington, District of Columbia, USPosted Yesterday##... ...is hiring a Front-end Senior Software Engineer. This is a full-time role in Washington. Part of Tight's Frontend hiring, posted yesterday. Full responsibilities,...SuggestedFull timeWork at office- ...Job Title Full Stack Developer - US citizens only Description... ...Communicate with end users, team lead, and... ...architecture Build the front‑end of applications... ...scripting support for Jira Software Cloud, Confluence Cloud... ...requiring custom code, external API calls, and the use...SuggestedWork at officeRemote workFlexible hours2 days per week
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$140k - $200k
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Flexible for occasional telework - must be local to work location. About The Role Peraton is seeking a highly skilled Sr. Front-end Software Engineer to support our Federal Strategic Cyber program. Location: Arlington, VA - hybrid telework/remote work environment. Must...Contract workTemporary workLocal areaRemote workFlexible hoursShift work- TryApplyNow in Chevy Chase, Maryland, is looking for a Front-End Software Engineer 3 to support the DOMEX Technology Platform. You will develop high-quality web applications for a DoD program using modern technology stacks, primarily onsite in Bethesda, MD, with some remote...Remote workFlexible hours
$85.91k - $170k
...Number : SRPOW002298 Posted : April 1, 2026 Full-Time... ..., USA Description Job Title: Sr Full Stack... ...Developer will own the end-to-end development lifecycle... ...authentication. Integrate external services and data... ...BS in Computer Science, Engineering, or similar degree. Experience...Full timeContract workWork experience placementRemote workFlexible hours- SourcePro Search is looking for a Front-End WebApp Software Developer (Junior) in Washington, DC. The role involves designing and enhancing web applications used across the Intelligence Community, enabling real-time data updates for informed decision-making. Applicants...
- TryApplyNow is seeking a Senior Front-end Software Developer to work on AI-powered finance applications in Arlington, Virginia. In this full-time role, you will be responsible for developing responsive user interfaces and collaborating with cross-functional teams to deliver...Full timeWork at officeFlexible hours
$125k - $150k
GovCIO is hiring a Senior Front End Developer to join their Digital Services team, fully remote within the Continental USA. The role requires strong skills in React, Redux, and JavaScript/TypeScript, as well as experience with Ruby on Rails and Drupal. The position offers...Remote jobFlexible hours$191k - $253k
...forefront of incubating and maturing high‑potential, software‑defined, AI‑native offerings that meet the... ..., AI, Motion Planning, Hardware, Test Engineering, Space, Networking, and Vehicle hardware, we craft cutting‑edge, end‑to‑end systems that redefine mission success....Full timeWork experience placementRemote work- Medium is seeking a Front-End Developer to design and develop modern web applications. You will build responsive interfaces using React, Node.js, and TypeScript while collaborating with UX designers and product teams. The role requires an active Top-Secret clearance. You...Flexible hours
- Synergy ECP is searching for a Front-End Developer to enhance user-focused web applications that support mission operations. You... ...backend services. The ideal candidate should have 8 years of software engineering experience and a strong foundation in React, Node.js, and...Flexible hours
$108k - $200k
...via Dice's Frontend hiring, posted today. applications are still... ...following. Apply via Dice today!Job Title: Senior React Frontend... ...including backend developers, QA engineers, product owners, and... ...Defense & Aerospace* Enterprise Software / SaaS* Education Technology...Full time$104k - $166k
Peraton, located in College Park, Maryland, is hiring a Front-End Software Engineer for a full-time position. The role involves designing and developing modern UIs, collaborating with a dynamic team, and integrating applications with backend services. Candidate must have...Full time$131.3k - $237.35k
...TS/SCI cleared Senior DevOps Software Engineer to play a critical role on... ...affinity rules Familiarity with external-secrets, ArgoCD, cert-... ...else dares. Original Posting: June 22, 2026 For U.S... ...billion for the fiscal year ended January 3, 2025. For more information...Local areaImmediate startRemote workFlexible hours- ...suburban Maryland - BI provides end-to-end solutions in... ...development, consulting, and re-engineering across all major technologies... ...Develops and maintains internal and external JAVA web based applications,... ...integration of hardware and software systems, and generation of...Night shiftWeekend work
$143.7k - $194.4k
# Front End Development Engineer, One MHS Software Controls and ScienceAmazonBe an Early ApplicantFull TimemidArlington, Virginia, USPosted Today## Resume Keywords to IncludeMake sure these keywords appear in your resume to improve ATS scoringJavaScriptTypeScriptHTMLCSSReactAngularAWSAgileSign...InternshipWorldwideFlexible hours$100k - $140k
...employees and government contractors, our AI-infused software and deep domain expertise help contract shops, cost engineers, 1102s, program managers, and budgeting... ...thrive. Role Overview :We are seeking a skilled Front-End Engineer with strong experience in building modern...Remote jobContract workFor contractorsWork at officeLocal areaWorldwide- ...Washington, D.C. is seeking an experienced Front-End Developer to build high-performance user... ...with UX designers and backend engineers to ensure seamless integration with .NET... ...services. The ideal candidate has extensive software development experience and a strong understanding...
- The position of Front-End Developer requires expertise in React, Node.js, and modern front-end practices. You will work closely with various teams to deliver high-performance user interfaces, ensuring seamless integration with backend services. This role offers competitive...
$125k - $155k
TryApplyNow is hiring a Senior Front-End Developer to work in Washington, DC. This full-time role demands expertise in building responsive... ...candidate will collaborate with UX designers and backend engineers while upholding coding standards and troubleshooting issues. The...Full time$100.8k - $245.5k
Job order - J0626-1308 - Permanent Full Time Title UI Java/Python Developer, Mid-Level TS/SCI with Poly REQUIRED Category Software Development/ Engineering City Arlington, Virginia, United States Job Description CGI Federal has an exciting opportunity for an UI Human...Permanent employmentFull timeWork at officeLocal area$100k - $140k
Unison Software, Inc. is seeking a Front-End Engineer to develop modern web applications using React and TypeScript. The position requires strong proficiency in component-driven architecture and front-end best practices, with a focus on performance and maintainability....Remote job- ...make a personal impact as a Full Stack Software Developer, supporting customer activities... ...documentation. Integrate web applications with external authentication identity providers using... ...Education : Bachelor's Degree (Computer Engineering, Computer Science, Electrical...
$108k - $156k
# Front End EngineerRune TechnologiesBe an Early ApplicantFull TimemidArlington... ...hiring a mid-level Front End Engineer. This is a full-time role in... ...'s Frontend hiring, posted today. applications are still... ...builds mission-critical software for military logistics and sustainment...Full timeFor contractorsWork at office- ...Job Title: Senior Front-End Developer (Angular 15, Mobile, JavaScript, Node.js, Git, Reactive JS) Key Responsibilities: Front-End Development... .... Education: Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. Preferred...
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