Senior Frontend Engineer – Trading Platform

GoCharting

. Design and ship end-to-end features in the production terminal, and keep combine/parity paths aligned when needed .

Posted 10/6/2026full-timeSerbiaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in designing and shipping complex React Single Page Applications (SPAs) with a focus on performance optimization and debugging. Proficient in collaborating with cross-functional teams and mentoring peers on best practices in React and state management.

Highest-signal resume keywords

React SPA DevelopmentTypeScript/JavaScriptRedux ArchitectureDebugging Cross-Window StatePerformance Profiling

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ReactTypeScriptJavaScriptReduxDebuggingVirtualizationChartingWebsocketsPerformance ProfilingCanvas/SVG/WebGL

Soft Skills

Clear Written CommunicationMentoring

Tools & Technologies

WebpackVitestJestBitbucketGitHub

Industry Keywords

Market DataBroker IntegrationsRealtime UITradingHigh-Frequency UI

Tech Stack

Tools & technologies

JavaScriptJestReactReduxTypeScriptWebpack

About the role

Key responsibilities & impact

Design and ship end-to-end features in the production terminal, and keep combine/parity paths aligned when needed
Debug hard multi-tab, hydrate, and persistence races
Improve performance on large lists and busy charts through virtualization, subscription lifecycle improvements, and avoiding expensive Redux churn
Collaborate with product and design teams on UX
Write clear PRs and communicate risk on sync, auth, and adjacent broker paths
Mentor the team and raise the bar on React patterns, state boundaries, and fixing root causes

Requirements

What you’ll need

5+ years shipping complex React SPAs – hooks-first, with comfort in legacy class components
Strong TypeScript/JavaScript and Redux (or an equivalent global + local store architecture)
Experience with realtime / high-frequency UI – websockets, live lists, charting, trading, or similar
Proven debugging of cross-window state, persistence, or multi-store sync bugs
Comfort in a large monorepo – webpack, shared packages, long-lived feature branches
Clear written communication with product and peers
Chart products, market data, or broker integrations (nice-to-have)
Canvas/SVG/WebGL charting, WASM, transpilation (nice-to-have)
Virtualized lists (react-window etc.) and Emotion/styled UI systems (nice-to-have)
Vitest/Jest, and Bitbucket/GitHub workflows (nice-to-have)
Performance profiling in Chrome for long-lived trading sessions (nice-to-have)