Senior II Frontend Engineer jobs in United States
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Ethyca · 22 hours ago

Senior II Frontend Engineer

Ethyca is redefining trust in the age of AI by building automated data privacy infrastructure. As a Senior II Frontend Engineer, you will lead technical initiatives, architect sophisticated user interfaces, and mentor other engineers while delivering high-impact features that enhance data governance and privacy rights for enterprises.

Artificial Intelligence (AI)ComplianceData GovernanceDeveloper ToolsPrivacy
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H1B Sponsor Likelynote

Responsibilities

Technical Leadership & Architecture
Lead the design and implementation of major frontend components and systems, from complex data visualization dashboards to intuitive consent management interfaces to high-performance data grids
Make critical decisions about component architecture, state management, and technology choices that will scale to support Fortune 500 customers managing billions of privacy requests
Identify architectural risks and performance bottlenecks before they become issues; propose solutions that keep us ahead of customer needs
Champion best practices in code quality, testing, accessibility, and documentation; raise the bar for the entire team
Build & Ship High-Impact Features
Write clean, maintainable, well-tested code that serves millions of users and meets enterprise-grade reliability and performance standards
Take projects from concept through design, implementation, testing, deployment, and iteration; driving outcomes, not just completing tasks
Balance speed and excellence; ship rapidly while maintaining high standards for code quality, design polish, and user experience
Leverage AI-assisted tools to accelerate development, improve code quality, and enhance productivity across the development lifecycle
Collaboration & Mentorship
Provide technical guidance, code reviews, and architectural mentorship to help other engineers level up their skills
Lead project planning sessions, write detailed technical specifications, and ensure alignment across engineering, product, and design
Support the open source community through thoughtful PR reviews, issue triage, and helping users troubleshoot complex problems
Work closely with Product, Design, and Customer Success to ensure technical solutions align with business goals and customer needs
Operational Excellence
Design interfaces and components that handle enterprise workloads with demanding performance requirements, browser compatibility, and accessibility standards
Use metrics, monitoring, and analytics to inform architectural choices and user experience improvements
Take ownership of production systems; respond to incidents quickly and drive post-mortems that prevent future issues
Identify inefficiencies in development workflows, tooling, and processes; propose and implement solutions

Qualification

TypeScriptReactAnt DesignJestCypressWebpackFigmaSketchD3.jsReduxPythonNode.js

Required

8+ years building production-grade web applications with modern frontend frameworks, with proven track record of delivering complex technical projects
Expert-level proficiency with TypeScript, React, and modern frontend development; deep understanding of performance optimization, state management, and React ecosystem best practices
Strong experience with Ant Design component library, building reusable component systems, and maintaining design system consistency
Proficient with Storybook for component development and documentation; experienced in building and maintaining component libraries
Passionate about automated testing; experienced with Jest for unit/integration testing and Cypress for end-to-end testing, maintaining high test coverage
Comfortable with modern build tools (Webpack, Vite), bundling strategies, and frontend performance optimization
Strong eye for design and user experience; able to collaborate effectively with designers and push for better user experiences
Experience with design tools (Figma, Sketch) and translating designs into pixel-perfect implementations
Understanding of accessibility standards (WCAG 2.1) and building inclusive interfaces for all users
Experience with data visualization libraries (D3.js, Recharts, Plotly) for building complex dashboards and analytics interfaces
Proven ability to design component architectures for scale, maintainability, and reusability; make sound technical tradeoffs between complexity, time, and quality
Tackle ambiguous, complex problems with innovative solutions; comfortable diving deep into unfamiliar codebases or technologies
Track record of helping other engineers grow through code reviews, pairing, documentation, and technical guidance
Drive initiatives from concept to completion without waiting to be told what to do; comfortable with autonomy and accountability
Strong technical writing skills; produce clear documentation, technical specs, and design proposals that bring clarity to complex topics
Thrive in distributed team environments; experienced working across time zones with async communication as default
Self-directed and productive in remote settings; proactive about over-communicating and keeping stakeholders informed
Comfortable with fast-paced environments where priorities shift; embrace rapid iteration and continuous delivery

Preferred

Hands-on experience with AI coding tools (GitHub Copilot, Cursor, etc.) to accelerate development and improve code quality
Built AI-powered features or worked with ML models in production environments
Experience integrating large language models into user interfaces or building AI-assisted user experiences
Built and operated applications serving millions of users with stringent performance, accessibility, and browser compatibility requirements
Understanding of enterprise security practices, authentication/authorization patterns, and compliance requirements (WCAG, SOC 2)
Experience designing interfaces that serve multiple large enterprise customers with complex data visualization and workflow requirements
Thrived at Series A-C startups where you wore multiple hats and moved fast with limited resources
Shipped products or major features from scratch that moved key business metrics
Found creative solutions with constraints; comfortable with ambiguity and changing priorities
Comfortable working across the stack; can contribute to backend codebases (Python, Node.js) when needed
Experience with state management libraries (Redux, Zustand, Jotai) and complex application state patterns
Track record of identifying and resolving performance bottlenecks in frontend applications
Expert at bundle optimization, code splitting, lazy loading, and frontend performance tuning
Experience contributing to or maintaining open source projects; understand community dynamics and collaboration workflows
Demonstrate your technical skills through open source contributions, side projects, or technical writing
Enjoy helping others troubleshoot issues, reviewing PRs, and engaging with developer communities

Company

Ethyca

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Ethyca is a privacy engineering platform that enables engineers to develop and ship privacy as a feature of any system.

H1B Sponsorship

Ethyca has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (2)
2021 (1)

Funding

Current Stage
Early Stage
Total Funding
$37.5M
Key Investors
IA Ventures
2024-12-05Series A· $10M
2021-11-03Series A· $7.5M
2020-06-11Series A· $13.5M

Leadership Team

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Cillian Kieran
Founder & CEO
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Neville Samuell
CTO
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Company data provided by crunchbase