Node JS Developer

Webskitters, an award-winning CMMI Level 3 web design company, combines 15+ years of expertise

Fintech and Trading experience

The role transcends general backend development to include critical performance engineering and financial domain knowledge.

Here is a comprehensive job description template:

Role Summary

Node.js Developer

Key Responsibilities

1. Low-Latency Backend Development (Trading Focus)

• Design and develop

  high-throughput, low-latency backend services

  and APIs using Node.js and TypeScript to support real-time trading operations.
• Implement and manage

  WebSocket-based communication systems

  to deliver real-time market data, price feeds, and execution results to the frontend with minimal delay.
• Optimize server-side performance by managing

  asynchronous operations

  , memory, and CPU usage, ensuring systems are stable under heavy trading volumes.
• Utilize Node.js clustering capabilities to distribute load across multiple CPU cores effectively.

2. API, Data & Infrastructure

• Design, implement, and maintain

  RESTful and event-driven APIs

  for core functionalities like order management, risk management, and account services.
• Implement efficient

  database systems

  (e.g., PostgreSQL, MongoDB, Redis) and optimize complex queries to support real-time data retrieval for dashboards and reporting.
• Integrate third-party financial APIs (e.g., payment gateways, market data feeds) and external microservices into the application.
• Work with cloud services (AWS, Google Cloud) and

  DevOps teams

  to manage containerized deployments (Docker/Kubernetes) and CI/CD pipelines.

Required Skills and Qualifications

• Experience:

  3+ years of proven experience in backend development, with significant hands-on expertise in

  Node.js/TypeScript

  .

• Performance Engineering:

  Direct experience in performance-critical applications, optimizing latency, and working with

  WebSocket

  or similar real-time communication protocols.

• Fintech/Trading Domain:

  Familiarity with concepts like

  order management, risk management, real-time financial markets,

  and derivatives is strongly preferred.

• Technologies:

  Strong command of JavaScript (ES6+), TypeScript, and Node.js frameworks (e.g.,

  Express.js, NestJS

  ).

• Database:

  Proficiency with both relational (PostgreSQL, MySQL) and NoSQL databases (MongoDB, Redis), including schema design and optimization.

• DevOps:

  Familiarity with

  Docker

  and cloud platforms (AWS, Azure).

Preferred Qualifications

• Experience with

  microservices architecture

  and distributed systems.
• Familiarity with event streaming technologies like

  Apache Kafka

  or RabbitMQ.
• Knowledge of

  algorithmic trading

  or high-frequency trading (HFT) principles.
• Experience in a TDD (Test-Driven Development) environment using frameworks like Mocha or Jest.