Full-Stack Engineer (High-Performance Web Systems)

About this role

What You Will Do

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Legacy Transformation: Reverse-engineer complex business logic from C# WPF systems and architect modern, scalable equivalents in a web-native environment.

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Data Pipeline Engineering: Architect and optimize the end-to-end WebSocket pipeline, implementing advanced techniques like binary serialization (Protobuf), message routing, and bounded channel queuing.

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High-Frequency UI: Develop real-time data visualizations and grids that handle thousands of updates per second with zero UI lag using Web Workers and custom rendering strategies.

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Infrastructure Collaboration: Partner with trading and infra teams to bridge the gap between low-latency backend services and the end-user experience.

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Quality & Resilience: Establish automated testing frameworks for real-time systems and provide tier-2 production support to ensure 24/7 system reliability.

Requirements

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Backend Expertise:

• 5+ years of professional experience in .NET / C# development, specifically with ASP.NET Core Web API.

• Strong proficiency with Entity Framework Core and MSSQL (or similar relational databases).

• Experience implementing and managing Redis or similar caching solutions.

• Familiarity with message brokers such as RabbitMQ, Kafka, or other pub/sub systems.

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Frontend Mastery:

• Deep proficiency in Vue.js (Vue 3) and TypeScript.

• Experience with Pinia for state management and Tailwind CSS for styling.

• Hands-on experience with high-performance data grid libraries (e.g., VXE Table).

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Real-Time Systems & Performance:

• Proven track record building real-time applications using WebSockets, SSE, or similar streaming technologies.

• Expertise in high-performance rendering techniques: virtual scrolling, efficient DOM updates, and handling massive real-time datasets.

• Experience with Web Workers for offloading CPU-intensive tasks to maintain UI responsiveness.

• Knowledge of Protobuf serialization and working with binary data protocols.

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Architecture & Security:

• Solid understanding of modern authentication systems, including OAuth 2.0, SAML, and SSO.

• Ability to establish and maintain automated testing practices and frameworks.

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Preferred Qualifications:

• Previous experience in FinTech, Crypto, or Financial Services.

• Experience building or maintaining trading platforms or high-frequency data dashboards.

Originally posted on Himalayas