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Senior Fullstack Engineer - Trading Platform

Netherlands
Full Remote
This Job is No Longer Active This position is no longer accepting applications

We are seeking a Senior Fullstack Engineer to build and maintain React-based trading interfaces and TypeScript backend services for high-performance trading platforms. The role involves full feature ownership from crafting responsive real-time interfaces to designing APIs, data pipelines, and indexing solutions. Candidates must have 6+ years of professional experience with TypeScript, React, and Node.js/Bun, plus strong testing practices and cross-functional collaboration skills.

Key Highlights
Build and maintain React-based trading user interface with real-time WebSocket data
Design TypeScript backend services including REST APIs and WebSocket servers
Full feature ownership from frontend interfaces to backend data pipelines
6+ years professional fullstack experience with TypeScript and React required
Key Responsibilities
Build and maintain the React-based trading user interface
Implement dynamic, interactive interfaces for real-time data including live order book updates, price feeds, and trade executions via WebSockets
Own component architecture, state management, and responsive design
Optimize rendering, minimize load times, and ensure smooth low-latency interactions under heavy data loads
Design and maintain TypeScript services including REST APIs, WebSocket servers, and background services
Design and deliver event-driven pipelines that ingest and process pricing and account data
Own REST and WebSocket API contracts (OpenAPI/AsyncAPI specs) and maintain API documentation
Interact with on-chain data, index blockchain events, and bridge smart contracts with off-chain services
Develop and maintain comprehensive unit, integration, and end-to-end tests across frontend and backend systems
Uphold continuous integration quality gates and rigorous code review standards
Work closely with cross-functional teams including product, design, and quantitative specialists
Technical Skills Required
TypeScript React Node.js
Benefits & Perks
100% Remote
Competitive Compensation
Nice to Have
8+ years of fullstack experience in fintech or trading platforms
Experience with Rust or C++ for high-scalability web services
Familiarity with Web3 frontend stack (ethers.js, viem, client-side wallet integrations)
Knowledge of event-driven and messaging architectures (Kafka, Google Pub/Sub)
Experience with observability tools (Datadog, Prometheus, Winston logging)

Job Description

Our client is a dynamic, forward-thinking, fully remote organization with an ambitious roadmap and a strong commitment to engineering excellence.Seeking a to work at the intersection of frontend and backend development. In this role, the engineer will build and maintain both a React-based trading user interface and the TypeScript backend services that power high-performance trading platforms. The position involves full feature ownership—from crafting responsive, real-time interfaces to designing the APIs, data pipelines, and indexing solutions that feed them.
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