Senior Front-end Engineer
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Before you apply
LocationRemote
Work moderemote · United States
Typefull-time
SenioritySenior
Experience6+ yrs
DepartmentEngineering
Company size3+ people
PostedJan 16, 2026 · 9mo ago
Verified live2d ago
At a glanceSummarised by Seekless from the posting.
6+ years of professional front-end engineering experience
Expert-level mastery of React, Next.js, and TypeScript in high-performance environments
Deep understanding of front-end architecture, rendering behavior, and performance optimization
Proven experience with real-time data systems (WebSockets, streaming updates, event-driven UI)
Strong instincts around state management, data consistency, and UI correctness under load
Track record of shipping and maintaining features that operate at scale
Ability to make high-leverage technical decisions independently
Comfort reasoning about backend systems (Node.js, databases, cloud infrastructure); hands-on experience is a plus
Prior experience in fintech, trading platforms, or other latency-sensitive products
Open-source contributions or technically substantial side projects
Comfort operating in fast-moving, high-accountability startup environments
Skills
Next.js
React
TypeScript
REST
WebSocket
Node.js
PostgreSQL
Responsibilities
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Own the front-end architecture of a high-throughput, real-time trading application.
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Design, build, and maintain production-grade applications using Next.js, React, and TypeScript.
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Implement pixel-accurate, accessible, and responsive UI systems under strict performance budgets.
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Lead complex feature development end-to-end, from technical design to production rollout.
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Optimize rendering paths, state management, data flow, and bundle size for sub-second interactions.
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Integrate deeply with REST and WebSocket APIs powering live market data and execution flows.
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Collaborate tightly with product, design, and backend engineers on advanced trading workflows.
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Set and uphold engineering standards around code quality, testing, performance, and maintainability.
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Mentor other engineers and raise the bar for front-end execution across the team.
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Contribute across the stack when needed (API design, data models, infra tradeoffs).
Requirements
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6+ years of professional front-end engineering experience, with clear ownership of complex production systems.
•
Expert-level mastery of React, Next.js, and TypeScript in high-performance environments.
•
Deep understanding of front-end architecture, rendering behavior, and performance optimization.
•
Proven experience with real-time data systems (WebSockets, streaming updates, event-driven UI).
•
Strong instincts around state management, data consistency, and UI correctness under load.
•
Comfort reasoning about backend systems (Node.js, databases, cloud infrastructure); hands-on experience is a plus.
•
Track record of shipping and maintaining features that operate at scale.
•
Ability to make high-leverage technical decisions independently.
Non-Negotiable
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Speed — in execution, iteration, and UI responsiveness.
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Obsession with performance, not just aesthetics.
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High ownership, low ego, zero tolerance for sloppy systems.
Preferred
•
Prior experience in fintech, trading platforms, or other latency-sensitive products.
•
Open-source contributions or technically substantial side projects.
•
Comfort operating in fast-moving, high-accountability startup environments.
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