Who We Are
Tenet3® is a digital knowledge management company based in Dayton, Ohio. We have deep roots in cybersecurity, system trustworthiness, and software/hardware assurance. We develop software products involving advanced machine learning and property graph representations to enhance human cognition. Tenet3 is a recognized leader in creating novel solutions for managing knowledge about complex systems. Our capabilities put data in context so that teams can generate meaningful insights. We leverage our knowledge management platform, MeTRA®, and sophisticated AI/ML tooling to rapidly build digital knowledge graphs using open data standards that make them accessible and usable across the lifecycle. Tenet3 is growing by applying our knowledge management platform to systems assurance, cybersecurity, and engineering change analyses.
Why Work Here
At Tenet3, our employee’s contributions are highly visible, valued, and rewarded. Be part of a team that supports both your personal and professional growth. Our team thrives in a collaborative, growth-oriented environment where we’re continuously pushing the boundaries of what’s possible. If you’re looking to work in a place that combines cutting-edge technology with a strong sense of culture and team spirit, and amazing benefits, then we are the place for you!
The Role
We are seeking a Senior Frontend Software Engineer to drive the delivery of large, complex UI features, lead architecture and design improvements, and mentor engineers across the team. Working as a senior technical contributor, this role focuses on advancing modern front-end technologies, design systems, and user-centered engineering while contributing significantly to technical strategy. You will have the opportunity to lead major UI initiatives, promote scalable architecture and accessibility, and elevate engineering best practices across the organization.
The ideal candidate is a seasoned engineer (7+ years) who understands that front-end architecture is the bridge between technical feasibility and exceptional user experience. This position will lead complex UI initiatives, mitigate technical debt, and ensure our front-end ecosystem is performant, accessible, and built for long-term scalability.
Essential Responsibilities
Lead the implementation of large-scale frontend features with minimal oversight
Design reusable architecture patterns and contribute to the evolution of shared tooling and design systems
Identify and resolve performance bottlenecks and accessibility issues at a systemic level
Serve as a mentor to associate and mid-level engineers, providing technical guidance, code review feedback, and pair programming support
Collaborate with cross-functional partners and design teams to clarify ambiguous requirements and align UI implementation with product strategy
Influence roadmap priorities through technical feasibility insights and proactive risk mitigation
Utilize Advanced Front-End Technologies to:
Build interactive 2D/WebGL frontends using Pixi.js and optimize performance via Web Workers
Integrate AI developer workflows and AI capabilities into front-end applications
Optimize applications using code splitting, lazy loading, performance profiling tools, and CI/CD testing frameworks
Required Skills & Qualifications
Advanced Front-End Architecture: Deep technical expertise in JavaScript, TypeScript, React, HTML, CSS, and modern front-end architectural patterns.
Tooling, Testing & Workflow: Experience with testing frameworks (e.g., Playwright, Vitest, Jest, React Testing Library), modern build tools/bundlers (e.g., Vite, Webpack), CI/CD pipelines, and AI developer workflows.
Specialized Graphics & Performance: Hands-on experience building interactive 2D/WebGL frontends using Pixi.js, optimizing browser performance via Web Workers, and utilizing profiling tools.
Engineering Experience & Mentorship: 7+ years (or equivalent demonstrated depth) of experience in front-end software engineering, with a proven track…