Pareto.AI · 3 weeks ago
Lead/Senior+ Front End Engineer
California
Full-time
Hybrid
Senior Level, Lead/StaffPareto.AI is on a mission to enable top talent around the world to participate in the development of cutting-edge AI models. They are seeking a Lead or Senior Frontend Engineer to develop next-generation human data collection platforms by building sophisticated user interfaces for AI/ML development, driving product strategy, and impacting the startup trajectory.
Software
Responsibilities
Owning – truly owning – the frontend from architecture and specifications through to ensuring reliable, high-quality, live deployments
Ability to understand, translate, breakdown and estimate the product roadmap into features, focusing on UI/UX implementation
Lead user testing sessions with stakeholders on some of the features you implement
An understanding of performance optimization (e.g., bundle size, load times, rendering) and an eye for code cleanliness
Contribute to maintaining a best-in-class quality pipeline, encompassing Linting, CI/CD, and usability/end-to-end tests
Qualification
Required
Solid understanding of React, TypeScript, and modern JavaScript/HTML/CSS best practices
Ability to understand, translate, breakdown and estimate the product roadmap into features, focusing on UI/UX implementation
Lead user testing sessions with stakeholders on some of the features you implement
Understanding of performance optimization (e.g., bundle size, load times, rendering) and an eye for code cleanliness
Contribute to maintaining a best-in-class quality pipeline, encompassing Linting, CI/CD, and usability/end-to-end tests
Ambition to be consistently testing and optimizing code and component performance
Professional experience that positions you to be flexible, reliable and move quickly
Proficiency in React (with Hooks and functional components) and modern front-end tooling like Vite, Webpack, or similar
Professional experience with TypeScript – this means true professional experience
Knowledge of different state management paradigms (e.g., Redux Toolkit, Zustand, Context API)
An eye for accessibility (WCAG) and cross-browser and cross-operating system compatibility
Familiarity with product and design lifecycles, collaborating with designers and product managers to translate mockups into pixel-perfect, scalable components
Proven ability to write high-quality, well-tested, and maintainable code, including robust unit and integration tests (e.g., Jest)
Familiarity with current trends and best practices in frontend development
Excellent communication skills and ability to work in a fast-paced environment
Preferred
Strong Django/Python experience so you can unblock yourself when necessary
Familiarity with component libraries and design systems (e.g., Storybook)
Experience with testing frameworks like Cypress or Playwright for end-to-end testing
Familiarity with or an interest in improving developer tooling
Familiarity with modern backend frameworks (Django/Python) and API integration (REST/GraphQL)
Company
Pareto.AI
Pareto.AI is a talent-first platform harnessing the top 0.01% of data labelers to deliver premium AI/LLM training data.
Founded in 2019
51-200 employees
H1B Sponsorship
Pareto.AI 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
2025 (7)
Funding
Current Stage
Growth StageTotal Funding
$5.1MKey Investors
MaC Venture CapitalFoothill Ventures
2022-03-14Seed· $4.5M
2021-01-21Seed
2020-01-01Pre Seed· $0.6M
Recent News
2024-06-05
2024-06-05
2024-06-05
Company data provided by crunchbase