Front-End Software Engineer

Peraton; Maryland; On-site; USD 90,000 - 120,000; Full time

Job summary

A specialized tech firm is seeking a Front-End Developer to work on-site in Maryland, focusing on building modern web applications for research efforts. The ideal candidate will have 3+ years of experience with HTML/CSS and JavaScript/TypeScript, as well as familiarity with React or similar frameworks. Responsibilities include designing user interfaces, integrating with backend services, and collaborating with a diverse team to deliver high-performance applications. A US Citizenship and an active TS/SCI w/ Polygraph is required for this position.

Qualifications

• Minimum of 3+ years of experience and a Bachelor's, or equivalent.
• US Citizenship with active/current TS/SCI w/ Polygraph required.
• Experience building data-rich user interfaces.

Responsibilities

• Design and develop modern UIs for research systems and dashboards.
• Integrate front-end applications with backend services.
• Collaborate with teams to ensure performance and usability standards.

Skills

HTML/CSS

JavaScript/TypeScript

React or Vue or Angular

RESTful APIs

SQL/NoSQL

Git

Python

UX Design

Education

Bachelor's degree in Computer Science or related discipline

Tools

Docker

Linux

Job description

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

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