Principal Frontend Engineer - US

Location: Massachusetts, Maryland, or Greater Austin, TX 
Team: Product & Engineering
Employment Type: Full-Time, Remote

About VulnCheck

VulnCheck is transforming vulnerability intelligence by helping security teams act faster and with more confidence. Our platform delivers early, high-quality exploit intelligence, deep asset correlation, and contextual insights to help organizations stay ahead of emerging threats.

About the Role 

We're looking for a Principal Frontend Engineer to own and evolve the systems that power VulnCheck's user-facing products. This is a hands-on role where you'll drive the direction of the product UI and collaborate closely with your teammates to shape how customers experience VulnCheck's intelligence. Although this is a 100% remote role, candidates must be located in Massachusetts, Maryland, or Greater Austin, TX.

What You'll Do

• Own the product UI end-to-end: design, architecture, development, and continuous improvement
• Drive frontend direction—establishing patterns, component systems, and design standards
• Write clean, maintainable code across the stack (frontend-first, with backend context as needed)
• Partner closely with Product to translate requirements into polished user experiences
• Improve performance, accessibility, and reliability of customer-facing interfaces
• Participate in technical design discussions and contribute to frontend architecture decisions
• Debug and resolve production UI issues with durable, thoughtful solutions
• Mentor other engineers on frontend best practices and contribute to engineering culture
• Support Marketing and other teams across the company as relates to web frontend needs

What You'll Bring

• 5+ years of experience building and shipping production web platforms
• Strong proficiency in modern frontend frameworks (Nuxt/Vue preferred)
• Full-stack competence—comfortable working across the codebase, backend experience a plus
• Experience owning a product UI or web property end-to-end
• Solid understanding of web performance, accessibility, and browser compatibility
• Ability to work closely with Product and translate visual direction into high-quality implementations
• Strong ownership mindset—you notice what's broken and fix it without being asked
• Clear communication and ability to collaborate cross-functionally

Preferred Qualifications

• Experience in B2B SaaS or developer-facing products
• Familiarity with design systems or component library ownership
• Background in cybersecurity or technical data products
• Experience in high-growth or startup environments

What We Offer

We believe people do their best work when they feel supported, trusted, and valued. VulnCheck offers benefits designed to meet a wide range of needs and lifestyles:

Benefits and Perks

• Unlimited PTO
• 401k plan with 100% match on first 3%, then 50% of the next 3-5% of compensation
• Comprehensive healthcare coverage
• Generous paid parental leave
• Remote friendly environment with flexibility
• Expense reimbursement for Cell Phone & Internet 
• Ongoing professional development, coaching, and learning resources
• Opportunities for career advancement within a fast-growing team

Why Join Us

Built on over two decades of cybersecurity experience, our team of experts understands the intricacies of vulnerabilities, their exploitation in the wild, and how to leverage this data to build more effective cybersecurity products that produce better outcomes for organizations.

VulnCheck gives organizations a tactical advantage by providing best-in-class exploit & vulnerability intelligence information. We have a sense of duty to protect the critical infrastructure we rely on including medical devices, power grids and telecommunication networks. We were founded in 2021 in Lexington, Massachusetts.

VulnCheck has a transparent, collaborative, and supportive culture - we are looking for people who have a growth mindset, are curious and innovative. Our team is smart, but humble, hardworking, and supportive.

VulnCheck is proud to be an Equal Employer Opportunity employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. VulnCheck is committed to working with and providing reasonable accommodations to applicants with physical and mental disabilities. *Even if your experience doesn’t perfectly align with the job description, we encourage you to apply—we value potential just as much as a perfect resume.

Position Overview

We are seeking a Senior Full Stack AI Application Engineer (Frontend Emphasis) with to design and build sophisticated web applications that surface advanced AI capabilities to internal and external stakeholders.

This role is responsible for creating polished, intuitive, and high performance user interfaces that enable engineers, operators, and executives to interact effectively with data, analytics, and AI powered systems.

Key Responsibilities

• Design and build internal AI enabled web applications using modern frontend frameworks
• Develop real time dashboards and data visualizations for monitoring operations and supporting leadership decision making
• Create conversational AI interfaces that allow natural language interaction with data and systems
• Architect responsive and accessible frontend components for use across multiple device types and environments
• Implement real time data updates using streaming technologies for live telemetry and system status
• Establish and maintain a frontend design system and reusable component library
• Develop customer facing, partner oriented application features with configurable theming and branding
• Implement authentication, authorization, and role based access control user flows
• Optimize frontend performance when working with large or complex datasets
• Collaborate closely with backend engineers and AI/ML teams to define APIs, data contracts, and integration patterns

 Qualifications

 Education

• Bachelor’s degree in Computer Science or a related field

Experience

• A minimum of 5 years of frontend focused full stack development experience
• Equivalent professional experience may be considered in lieu of formal education

Preferred Qualifications

• Experience delivering enterprise or B2B SaaS applications
• Background in AI enabled products, conversational interfaces, or intelligent copilots
• Experience with advanced or 3D data visualization technologies
• Exposure to product development from concept through production at scale
• Familiarity with real time streaming or event driven architectures

Soft Skills

• Strong interpersonal and collaboration skills across technical and non technical teams
• Excellent written and verbal communication skills
• Proven ability to translate complex technical concepts into intuitive user experiences
• Meticulous attention to detail to ensure high quality, accurate deliverables
• Strong problem solving, ownership, and adaptability in fast paced environments

Technology Stack

• Modern frontend frameworks and languages (e.g., React, TypeScript, modern CSS)
• Data visualization libraries and mapping solutions
• State management, component libraries, and design system tooling
• API integration with backend services and real time data protocols
• Authentication and access control frameworks
• Familiarity with common backend technologies and languages

Physical Requirements

• Ability to work in a standard office or remote environment
• Ability to use a computer and multiple monitors for extended periods
• Ability to participate in design discussions, code reviews, and collaborative meetings

This job description may not be inclusive to the duties and responsibilities listed. Additional tasks may be assigned to the employee from time to time or the scope of the job may change as needed by business demands. 

Applicants must be authorized to work for any employer in the U.S. without sponsorship. We are unable to provide sponsorship for work visas of any kind at the time of hire, or at any point during employment. This includes, but is not limited to: F1-OPT, F1-CPT, H-1B, TN, J-1, etc

Your Role:

Tenable is looking for a Senior Software Engineer, UI to join the Vulnerability Management product development team. As a Senior Software Engineer, UI will drive projects end-to-end, collaborate on product requirements with Product Managers, architect and implement technical solutions, and ensure continued success after deployment. You will lead and participate in design reviews and architecture discussions. You write pragmatic code and strive for simplicity, while bringing technical insights into how to refine and improve the system, ultimately ensuring performance, stability, and an exceptional end user experience.

Your Opportunity:

• Work within a fast growing development team on an innovative product, Vulnerability Management, that is utilizing cutting edge front end technologies
• Have high-impact by helping the team deliver on our next-generation enterprise web application
• Own your projects end-to-end including design, development, testing, and deployment
• Embrace and implement modern front-end technologies and frameworks
• Promote innovative and elegant software design while actively driving the team toward better practices and solutions with a focus on security, reliability, testability and maintainability
• Collaborate with an amazing group of cross functional team members including product management, design and other engineers in your Agile team
• Take responsibility and ownership of your projects
• Perform code and design reviews

What You'll Need:

• 5+ years of relevant work experience
• 3+ years working with React
• Familiarity with unit and end to end testing for JS/React
• Solid understanding of Javascript and CSS concepts and techniques
• Experience debugging web application errors through the use of tools such as Chrome Dev Tools, etc
• Experience working through the software development life cycle on software development teams and the associated tools (git, Jira, confluence, etc.)
• Successfully deployed code/features, multiple times, while working in an Agile environment
• Knowledge of browser versions, their quirks and the solution to said quirks
• Ability to communicate and collaborate with other engineers and cross functional team members
• Willingness to take ownership of project priorities, deadlines and deliverables
• Experience owning a project and coaching engineers through a project’s lifecycle
• Understanding of how design systems and component libraries work
• Have a lets-get-it-done mindset and be nimble

And Ideally:

• Keen grasp of the functional programming paradigm
• Use of virtualization and/or container technology (i.e. Docker)
• Experience with visualization tools (Visx, Fusion Charts, d3)
• Passion for keeping current on trends related to frontend architectures, performance techniques, accessibility, localization, security and web design/user experience
• Comfortable working on a team that experiments with its processes and practices as well as evolving them when necessary

#LI-Hybrid

#LI-MS1

Overview

Black Canyon Consulting (BCC) is searching for a Business Analyst to support the delivery and modernization of mission-critical, web-based digital resources for a federal government client. This role will play a critical part in ensuring the quality, reliability, and backward compatibility of a modernized, enterprise-scale platform.

The QA Engineer will work closely with Product, Business Analysts (BAs), Engineers, User Experience (UX), and client stakeholders to validate requirements, define test strategies, and ensure new functionality meets both user expectations and feature parity with the legacy system. This role requires strong analytical skills, attention to detail, and a collaborative mindset, as well as hands-on experience with automated and manual testing in Agile environments.

 Duties & Responsibilities: