UI Software Engineer

📍 Job Overview

Job Title: UI Software Engineer

Company: Peraton

Location: Herndon, Virginia, United States

Job Type: FULL_TIME

Category: Software Engineering / DevSecOps

Date Posted: April 14, 2026

Experience Level: 5-10 Years

Remote Status: On-site

🚀 Role Summary

• Design, develop, test, and optimize web services and modern JavaScript-based UIs within an Agile DevSecOps environment.

• Build and integrate RESTful APIs, adhering to API design best practices and data governance principles.

• Leverage a comprehensive DevSecOps pipeline including tools like JIRA, Git, Jenkins, SonarQube, Fortify, and Artifactory.

• Utilize monitoring and performance tools such as AppDynamics, CloudWatch, and Splunk to ensure application health and efficiency.

📝 Enhancement Note: While the title is "UI Software Engineer," the core responsibilities and required skills heavily emphasize API development, DevSecOps practices, and system integration, suggesting a role that bridges front-end development with back-end services and operational deployment. This is a crucial distinction for operations-minded candidates seeking roles with a broad impact on system lifecycle management.

📈 Primary Responsibilities

• Architect and implement scalable, high-performance RESTful APIs using Node.js, ensuring adherence to REST principles and data governance standards.

• Develop and maintain modern, responsive front-end applications utilizing JavaScript frameworks such as Vue.js or React, with a focus on user experience and performance optimization.

• Integrate front-end applications with back-end APIs, managing data flow through REST and JSON protocols.

• Actively participate in the full DevSecOps lifecycle, from development and testing to continuous integration and deployment (CI/CD) using tools like Jenkins and Artifactory.

• Employ test-driven development (TDD) methodologies and contribute to Agile sprint planning and execution, ensuring timely delivery of features and enhancements.

• Monitor application performance and troubleshoot issues using tools like AppDynamics, CloudWatch, and Splunk, proactively identifying and resolving bottlenecks.

• Collaborate with cross-functional teams, including security, operations, and other engineering disciplines, to ensure robust and secure application delivery.

• Contribute to the design and implementation of containerized workflows using technologies like OpenShift or Kubernetes, enhancing deployment flexibility and scalability.

📝 Enhancement Note: The responsibilities highlight a strong need for understanding the entire software development lifecycle within a DevSecOps framework, which is critical for operations professionals. Emphasis on "API design best practices and data governance principles" and "monitoring and performance tools" directly relates to operational efficiency, data integrity, and system reliability.

🎓 Skills & Qualifications

Education: Bachelor’s degree with 5+ years of relevant experience, OR Master’s degree with 3+ years of relevant experience, OR Ph.D. with 0+ years of relevant experience. An additional 4 years of experience may be considered in lieu of a degree.

Experience: Proven track record in developing and deploying complex web applications, with a strong focus on both front-end UI development and back-end API services within an Agile DevSecOps environment.

Required Skills:

• Core Development: Strong proficiency in JavaScript and Python for both front-end and back-end development.

• Front-End Frameworks: Expertise in modern JavaScript frameworks, specifically Vue.js or React.

• API Development: Significant experience in building and integrating RESTful APIs, understanding REST principles and JSON data formats.

• Back-End Technologies: Experience with Node.js for server-side development.

• Database Technologies: Proficiency with Neo4j (graph database) for data modeling and querying.

• Development Methodology: Demonstrated experience with Agile development methodologies and test-driven development (TDD).

• DevSecOps Tools: Familiarity with the DevSecOps pipeline, including JIRA for issue tracking, Git for version control, Jenkins for CI/CD, SonarQube for code quality, and Fortify for security scanning.

• Security Clearance: Active TS/SCI clearance with the ability to obtain and pass a polygraph.

Preferred Skills:

• Database Technologies: Knowledge of PostgreSQL for relational database management.

• Cloud Platforms: Experience with Cloud/AWS services for scalable infrastructure.

• Containerization & Orchestration: Familiarity with containerization platforms like OpenShift or Kubernetes for deployment and management.

• Monitoring & Logging: Experience with performance monitoring tools such as AppDynamics, CloudWatch, and Splunk for system observability.

📝 Enhancement Note: The explicit mention of a TS/SCI clearance and polygraph requirement is critical for candidates in the national security sector. For operations-focused roles, understanding how these security requirements impact development and deployment processes is essential. The blend of front-end, back-end, and DevSecOps tools indicates a need for a well-rounded engineer who understands the operational impact of their code.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• API Design & Implementation: Showcase examples of RESTful APIs designed and developed, highlighting data structures (JSON), endpoint definitions, and adherence to best practices for security and performance.

• Front-End Application Development: Present case studies of UI applications built with Vue.js or React, demonstrating user interface design, responsiveness, and integration with back-end services.

• DevSecOps Workflow Integration: Provide documentation or examples illustrating contributions to CI/CD pipelines, including automated testing, code quality checks (SonarQube), and security scanning (Fortify) within a Git/Jenkins environment.

• System Performance & Monitoring: Include examples of how monitoring tools (e.g., Splunk, CloudWatch) were used to identify and resolve performance issues or to track key operational metrics.

Process Documentation:

• Workflow Design: Documented contributions to the design and optimization of development and deployment workflows, emphasizing efficiency gains and automation.

• Agile Development Practices: Evidence of participation in Agile ceremonies, sprint planning, and contributions to sprint backlogs, demonstrating an understanding of iterative development processes.

• Test-Driven Development (TDD): Examples of unit, integration, or end-to-end tests written to support TDD principles, ensuring code quality and maintainability.

• Data Governance & API Standards: Documentation illustrating adherence to data governance policies and API design standards in previous projects.

📝 Enhancement Note: For an operations-centric candidate, the portfolio should emphasize not just the what but the how. Detailing the processes used to build, test, deploy, and monitor applications is crucial. For instance, demonstrating how API design principles contribute to system stability or how DevSecOps tools enable faster, more reliable releases would be highly valuable.

💵 Compensation & Benefits

Salary Range: $104,000 - $166,000 per year. This range is determined by factors including, but not limited to, scope of responsibilities, individual experience, education, knowledge, skills, competencies, geographic location, and business/contract considerations.

Benefits:

• Health & Wellness: Comprehensive medical, dental, and vision insurance plans.

• Retirement Savings: 401(k) plan with company match.

• Paid Time Off: Generous vacation, sick leave, and holiday pay.

• Professional Development: Opportunities for training, certifications, and continued education relevant to software engineering and DevSecOps.

• Other Perks: Potential for overtime, shift differential pay, and a discretionary bonus, in addition to base pay.

Working Hours: The standard workweek is 40 hours. While the role is on-site, Peraton may offer flexibility in scheduling, particularly for individuals requiring overtime or specific shift arrangements.

📝 Enhancement Note: The provided salary range is a strong indicator for experienced UI engineers in the Herndon, VA area, especially within the defense and national security sector. For operations professionals, understanding how benefits like professional development and potential overtime tie into continuous learning and project demands is important.

🎯 Team & Company Context

🏢 Company Culture

Industry: National Security, Mission Capability Integration, Enterprise IT Provider. Peraton operates at the intersection of traditional and non-traditional threats across all domains.

Company Size: Peraton is a significant player in the national security sector, implying a large organizational structure with numerous specialized teams and projects. This size offers opportunities for broad impact and diverse career paths.

Founded: Peraton is described as a "next-generation" national security company, suggesting a focus on modern solutions and innovation, built upon a foundation of established expertise.

Team Structure:

• DevSecOps Focused: The team operates within an Agile DevSecOps environment, meaning collaboration is key across development, security, and operations functions.

• Cross-Functional Collaboration: This role requires significant interaction with other engineering disciplines, security analysts, and potentially operations personnel to ensure seamless integration and deployment.

• Project-Based Teams: Likely organized into project-specific teams, working on critical missions for government agencies and U.S. armed forces.

Methodology:

• Agile & DevSecOps: Core methodologies emphasizing iterative development, continuous integration, continuous delivery, and embedding security throughout the lifecycle.

• Data-Driven Decision Making: The role involves using monitoring and performance tools, indicating a culture that values data analysis for optimizing applications and infrastructure.

• API-Centric Design: Strong emphasis on building robust, well-governed APIs as foundational elements for application integration and data exchange.

Company Website: https://www.peraton.com/

📝 Enhancement Note: Peraton's focus on "missions of consequence" and operating at the "critical nexus between traditional and nontraditional threats" suggests a high-stakes, mission-driven environment. For operations professionals, this translates to a need for robust, reliable systems and a deep understanding of security protocols.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as an experienced UI Software Engineer, bridging development and operational deployment. It offers a path for engineers to deepen their expertise in DevSecOps, API architecture, and cloud infrastructure, which are foundational for many advanced operations roles.

Reporting Structure: The role likely reports to an Engineering Manager or Lead within a DevSecOps or Software Development team. Collaboration will extend across various functional groups within Peraton's extensive network.

Operations Impact: The engineer's work directly impacts the functionality, security, and operational readiness of critical national security applications. This includes ensuring applications are deployable, scalable, and performant within complex, often highly secure, environments.

Growth Opportunities:

• DevSecOps Specialization: Deepen expertise in CI/CD pipelines, containerization (Kubernetes, OpenShift), and security automation.

• Cloud Architecture: Develop skills in AWS or other cloud platforms, moving towards cloud engineering or architecture roles.

• API Strategy & Governance: Grow into roles focused on enterprise API management, design authority, and data governance.

• Technical Leadership: Progress to Senior Engineer, Lead Engineer, or Architect positions, mentoring junior developers and guiding technical strategy.

📝 Enhancement Note: For operations professionals, this role is a strong stepping stone. The emphasis on DevSecOps, API governance, and cloud technologies aligns perfectly with the skills needed for roles like DevOps Engineer, Site Reliability Engineer (SRE), or Cloud Operations Specialist. The national security context adds a layer of complexity and demand for rigorous operational standards.

🌐 Work Environment

Office Type: This position is strictly on-site in Herndon, VA, indicating a traditional office environment.

Office Location(s): Herndon, Virginia, a hub for technology and government contracting in the Northern Virginia region.

Workspace Context:

• Collaborative Spaces: The DevSecOps environment likely fosters collaboration, with shared workspaces and meeting areas designed for team interaction.

• Technology Access: Engineers will have access to necessary development tools, high-performance computing resources, and secure network access required for national security projects.

• Team Interaction: Frequent interaction with fellow engineers, security specialists, and potentially operations and project management teams is expected.

Work Schedule: Standard 40-hour workweek, with the possibility of overtime given the mission-critical nature of the projects. The on-site requirement ensures direct access to secure facilities and collaborative teams.

📝 Enhancement Note: The on-site requirement is crucial for roles involving sensitive government data and clearances. It also implies a highly structured work environment where adherence to security protocols and collaborative workflows is paramount.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A review of your resume and qualifications, focusing on required skills and security clearance.

• Technical Assessment: Likely includes coding challenges (JavaScript, Python, API design) and discussions on DevSecOps principles and tools. Candidates may be asked to walk through a code sample or discuss a past project.

• Behavioral & Situational Interviews: Questions assessing teamwork, problem-solving, adherence to process, and how you handle challenges within a DevSecOps and Agile framework.

• Security & Clearance Verification: Thorough verification of TS/SCI clearance and suitability for polygraph.

• Final Interview: Potentially with hiring managers or senior leadership to assess cultural fit and overall suitability for the role and Peraton's mission.

Portfolio Review Tips:

• Focus on Operations Impact: When presenting your UI and API work, emphasize how your contributions led to improved operational efficiency, enhanced system reliability, or better data security.

• Quantify Achievements: Use metrics whenever possible. For example, "Reduced API latency by X%," "Improved deployment success rate by Y% through CI/CD automation," or "Implemented security checks that identified Z vulnerabilities."

• Showcase DevSecOps Integration: Clearly demonstrate your experience with tools like Jenkins, Git, SonarQube, and Fortify. Explain how you integrated these into your development workflow.

• Explain Technical Decisions: Be prepared to articulate why you chose specific technologies (Vue.js vs. React, Node.js, Neo4j) and how those choices supported project requirements and operational goals.

Challenge Preparation:

• Coding Exercises: Practice JavaScript and Python coding problems, focusing on algorithms, data structures, and common API patterns.

• API Design Scenarios: Be ready to design a simple REST API for a given use case, considering resources, endpoints, request/response formats, and security.

• DevSecOps Scenarios: Prepare to discuss how you would troubleshoot a deployment failure using logs or how you would integrate a new security scanner into an existing pipeline.

📝 Enhancement Note: The emphasis on security clearance and the on-site requirement will likely shape the interview process, potentially involving more in-depth security vetting and in-person assessments. Candidates should be prepared to discuss their understanding of secure coding practices and operational resilience in a sensitive environment.

🛠 Tools & Technology Stack

Primary Tools:

• Front-End Frameworks: Vue.js, React (proficiency in at least one required).

• Back-End Runtime: Node.js.

• API Development: REST, JSON protocols.

• Databases: Neo4j (required), PostgreSQL (preferred).

• Programming Languages: JavaScript, Python.

Analytics & Reporting:

• Monitoring: AppDynamics, CloudWatch, Splunk for performance monitoring, logging, and issue identification.

• Code Quality & Security: SonarQube for static code analysis, Fortify for application security testing.

CRM & Automation:

• Version Control: Git.

• CI/CD & Orchestration: Jenkins, Artifactory (for artifact management).

• Containerization: OpenShift, Kubernetes (preferred).

• Project Management: JIRA for Agile sprint workflows.

📝 Enhancement Note: This technology stack is highly relevant for operations roles focused on application lifecycle management, performance monitoring, and infrastructure automation. Understanding how these tools integrate within a DevSecOps framework is key for success.

👥 Team Culture & Values

Operations Values:

• Mission Focus: A strong commitment to supporting national security missions, understanding the critical impact of reliable and secure software.

• Excellence & Precision: Striving for high-quality code, robust system design, and meticulous attention to detail, especially in security-sensitive environments.

• Collaboration & Teamwork: Fostering a collaborative spirit within Agile and DevSecOps teams to achieve shared objectives.

• Continuous Improvement: Embracing Agile principles and DevSecOps practices to constantly refine processes, enhance efficiency, and improve application performance.

• Security Consciousness: Embedding security considerations into every stage of the development lifecycle.

Collaboration Style:

• Cross-Functional Integration: Expect to work closely with security engineers, system administrators, network engineers, and other software developers.

• Open Communication: An environment that encourages open dialogue, feedback exchange, and proactive problem-solving.

• Agile Cadence: Regular participation in stand-ups, sprint planning, reviews, and retrospectives to maintain alignment and drive progress.

📝 Enhancement Note: Peraton's mission-driven culture is paramount. For operations professionals, this means understanding that system uptime, data integrity, and security are not just metrics but critical components of national security.

⚡ Challenges & Growth Opportunities

Challenges:

• Security Compliance: Navigating and adhering to stringent government security regulations and clearance requirements within a DevSecOps pipeline.

• Complex Integrations: Integrating diverse systems and applications within a large, complex national security infrastructure.

• Rapid Evolution: Keeping pace with evolving technologies, threat landscapes, and evolving mission requirements in the national security sector.

• Performance Optimization: Ensuring high performance and scalability for applications that may handle sensitive and high-volume data.

Learning & Development Opportunities:

• Advanced DevSecOps Training: Opportunities to gain certifications and expertise in Kubernetes, OpenShift, cloud security, and advanced CI/CD tooling.

• Specialized Technology Exposure: Working with unique databases like Neo4j and advanced monitoring tools provides niche skill development.

• Government Contracting Expertise: Gaining insight into the unique operational and contractual environments of government contracting.

• Mentorship Programs: Access to experienced engineers and architects for guidance on career progression and technical skill development.

📝 Enhancement Note: The challenges presented are common in the defense and national security sector, requiring a resilient and adaptable approach. The growth opportunities are directly aligned with developing specialized skills highly valued in both government and commercial operations roles.

💡 Interview Preparation

Strategy Questions:

• DevSecOps Integration: "Describe a time you integrated a new security tool into a CI/CD pipeline. What challenges did you face, and how did you overcome them?" (Prepare to discuss tools like SonarQube, Fortify, Jenkins).

• API Design & Governance: "How would you design a RESTful API for a system that needs to handle sensitive user data? What security and governance principles would you apply?" (Focus on REST standards, data validation, authentication/authorization).

• Performance Troubleshooting: "You notice a significant increase in API latency. What steps would you take to diagnose and resolve the issue, using tools like Splunk or AppDynamics?" (Outline a systematic debugging process).

Company & Culture Questions:

• Mission Alignment: "Why are you interested in working for Peraton and supporting national security missions?" (Research Peraton's mission and articulate your alignment).

• Agile Experience: "Describe your experience working in an Agile DevSecOps team. How do you contribute to sprint planning and retrospectives?" (Highlight collaboration and continuous improvement).

• Security Clearance Importance: "How do you view the importance of security clearances and protocols in your daily work?" (Emphasize understanding and commitment to security).

Portfolio Presentation Strategy:

• Focus on Impact: For each project, clearly state the problem, your solution, the technologies used, and the operational impact (e.g., improved efficiency, reduced errors, enhanced security).

• Demonstrate Process: Walk through your workflow. If showcasing an API, show the design phase, development, testing (unit/integration), and how it fits into a deployment pipeline.

• Tool Proficiency: Explicitly mention and, if possible, demonstrate familiarity with the required tools (Git, Jenkins, JIRA, etc.). Explain how you leverage them for efficiency and quality.

• Security Integration: Highlight any security considerations or implementations within your projects, especially if they involved compliance or sensitive data.

📝 Enhancement Note: Candidates should be prepared to discuss their understanding of the operational implications of software development, especially in a high-security environment. Demonstrating an awareness of how code impacts system stability, security, and deployment processes will be highly valued.

📌 Application Steps

To apply for this UI Software Engineer position:

• Submit your application through the Peraton careers portal link provided.

• Tailor Your Resume: Emphasize your experience with JavaScript, Python, Vue.js/React, Node.js, Neo4j, RESTful APIs, and DevSecOps tools (JIRA, Git, Jenkins, SonarQube, Fortify). Quantify achievements where possible.

• Prepare Your Portfolio: Select 2-3 key projects that best showcase your UI development, API design, and DevSecOps integration skills. Be ready to articulate the operational impact of your work.

• Practice Technical & Behavioral Questions: Review common interview questions for software engineers, focusing on Agile, DevSecOps, and problem-solving scenarios. Prepare specific examples from your experience.

• Research Peraton: Understand Peraton's mission, values, and its role in national security. Be ready to discuss why you are a good fit for their culture and objectives.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.