Posted 6 months ago
Senior Frontend Engineer
@ Partyhat
Remote in Canada
Overview
Partyhat is hiring a Senior Frontend Engineer for a fully remote role building client-side architecture, a design system and high-performance UI for a global player experience. The work centres on React, Next.js, React Query with GraphQL and Styled Components, with a strong emphasis on performance and Web3 UX. The posting states full-time employment, on-call availability seven days a week, and compensation paid in digital assets (USDC/USDT).
Responsibilities:
- Design and scale a modular client-side codebase
- Build responsive product UI and interactive user flows
- Implement a reusable, themeable design system component library
- Optimize rendering performance, bundle size and load times
- Architect client-side state and integrate backend and real-time APIs
Requirements summary:
- Proven experience shipping production-grade web applications
- Elite hands-on mastery of React, Next.js, React Query (GraphQL) and Styled Components
- Profiling and Core Web Vitals expertise for performance work
- Understanding of Web3 wallet connections and digital asset UX
- Available 7 days a week for on-call hotfixes and releases
Tools & skills
Source and dates
Employer career site / ATS feed · ashby
- Employer posting date
- 2026-05-15
- First seen by our source
- 2026-10-08
- Source record updated
- 2026-10-09
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Hours per week | 40 (estimated) |
| Schedule | weekends |
| Travel | air: none · ground: none |
| Work setting | Home |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Partyhat
Saved company profile
Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.
We start and scale the companies of tomorrow.
Full company description
We build and invest in companies from the ground up, developing and launching new ventures internally from concept to brand, while backing founders at the seed stage who are shaping the future of culture and commerce. Our studio brings together design, engineering, and growth to turn emerging ideas into scalable global businesses, with investments focused on creator platforms, entertainment, and digital experiences with strong design and real market pull.
- LinkedIn followers
- 2,083
- People associated on LinkedIn
- 6
- Reported office locations
- 151 Calle de San Francisco, San Juan, Puerto Rico 00901, PR
- Other recorded names
- Partyhat
- Profile identifies a recruitment agency
- No
We build and invest in companies from the ground up, developing and launching new ventures internally from concept to brand, while backing founders at the seed stage who are shaping the future of culture and commerce. Our studio brings together design, engineering, and growth to turn emerging ideas into scalable global businesses, with investments focused on creator platforms, entertainment, and digital experiences…
| Field | Value |
|---|---|
| Industry | Technology, Information and Internet |
| Company size | 51-200 employees |
| Headquarters | San Juan, Puerto Rico |
| Organization type | Privately Held |
| Year founded | 2020 |
| Open jobs on Jobsy | 20 |
| View page |
The Mission
We need an elite Frontend Architect who can build world-class, high-fidelity digital interfaces with surgical precision. Your job is to engineer our client-side systems, implement a bulletproof design system, and craft the slick, responsive, and high-performance UI that defines our global player experience. This is a remote, high-availability role for a technical powerhouse who views frontend engineering as an art form and is comfortable operating at the absolute frontier of the Web3 economy.
We value visual craft, clean code, and engineering momentum over corporate credentials. Whether you have built decentralized applications from scratch or have led the frontend architecture for high-velocity consumer platforms, we care about your ability to ship. If you have the product judgment to optimize for every frame and the structural discipline to handle complex state and real-time APIs, we will give you the runway to build our visual future.
Key Responsibilities
Frontend Architecture: Design, scale, and maintain a modular, bulletproof client-side codebase that remains lean and fast under high user velocity.
Product UI Development: Transform complex visual assets and data logic into intuitive, highly responsive, and high-stakes user experiences that demand engagement.
Design System Implementation: Translate centralized visual guidelines into a reusable, pixel-perfect, and themeable component library built with absolute precision.
Performance Optimization: Maximize rendering efficiency, optimize bundle sizes, and eliminate layout shifts to ensure lightning-fast load times across global networks.
State Management: Architect robust client-side state logic, ensuring real-time data flows seamlessly and securely throughout the entire application layer.
API Integration: Connect complex backend systems and real-time data streams to the frontend UI, maintaining flawless data integrity and error-handling protocols.
The Technical Stack
You must possess elite-level, hands-on mastery of the following stack:
React: Advanced component design patterns, hooks optimization, and deep architectural intuition.
Next.js: Server-side rendering (SSR), static site generation (SSG), and advanced routing/caching mechanics.
React Query (GraphQL): Advanced server-state management, cache mutation strategies, and complex schema query orchestration.
Styled Components: Component-level CSS-in-JS styling architecture, rigorous theme implementation, and dynamic rendering optimization.
The Requirements
The "Visual Engineer": Proven experience shipping production-grade, highly polished web applications. You have an exceptional eye for detail, spacing, and smooth user flows.
Analytical Rigor: You don't guess when it comes to performance. You use browser profiling tools, core web vitals, and data metrics to track down and destroy rendering bottlenecks.
Hyper-Availability: This isn't a 9-to-5. We ship features when our global audience demands them. You must be available 7 days a week to handle real-time hotfixes, system deployments, and market surges.
Web3/Internet Culture Intuition: You understand the unique UX friction points of digital asset ecosystems, wallet connections, and fast-paced, digital-native environments.
Operational Excellence: Self-motivated and highly organized; you write clean, self-documenting code and can manage your development pipeline without hand-holding.
Operational Details
Location: Fully Remote.
Schedule: On-call 7 days a week (Requires high flexibility to handle real-time hotfixes and global release cycles).
Payment: All compensation is processed in digital assets (USDC/USDT).
Why Join Us?
We offer more than just a typical software engineering ticket-shuffling job; we offer the chance to architect the frontend of a global powerhouse.
Extreme Technical Autonomy: We value clean execution over red tape. You will have the freedom to design and optimize the visual engine within a high-speed environment.
Global Canvas: Your code will be touched, tested, and seen by thousands of users every single day across a worldwide landscape.
A Culture of Momentum: Join a team that moves at the speed of light. If your code is tested and ready to ship on a Sunday night, we push it to production.
High-Growth Upside: We value "potential over pedigree." For a senior engineer who takes extreme ownership of our product interface, there is a clear, unrestricted runway to lead the entire frontend organization.
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