Senior Fullstack Engineer (Frontend-focused)
Grade: Senior
Salary: 4500-6000 USD
Skills: Node.js, React, WebSocket, gRPC, TypeScript, Fullstack / Node.js / JavaScript / TypeScript
Company URL:
Description:
What you will do
Build real-time trading interfaces on top of streaming market data and develop internal Node.js services.
Implement proposed solutions using TypeScript, React, RxJS, Node.js, gRPC, WebSocket, PixiJS, AG Grid, and Ant Design.
Develop internal AI tooling, such as MCP server tools, LLM-powered CI agents, or internal skills for routine engineering workflows.
Ensure quality and reliability of developed solutions using automated testing.
Document implemented modules and technical decisions.
Maintain and improve implemented solutions according to business needs and feedback.
Skills and experience
5+ years of professional full-stack development experience, with senior-level expertise in React and strict TypeScript, as well as solid hands-on experience with Node.js.
Production experience with WebSocket and gRPC.
Real-time and performance: experience with reactive data streams, frontend and backend optimization, memory management, and high-load grids/streams.
Experience designing architecture for data storage, data delivery, and pagination.
Practical experience building developer-facing LLM tools or automations, such as MCP servers/tools, LLM skills/subagents, LLM-powered CI workflows, or similar agent-based tooling.
English: B2 or higher.
Nice to have
Trading or fintech domain experience.
Observability: Prometheus, Grafana, Loki.
PixiJS/WebGL experience.
Playwright.
