Senior Backend Development Specialist

2 days ago

Kollam, Kerala, India beBeeBackend Full time ₹ 1,50,00,000 - ₹ 2,00,00,000
Backend Engineer Position

As a backend engineer, you will be responsible for designing and implementing the backend foundation that powers our entire platform.

Our company is seeking a highly skilled backend developer with in-depth expertise in Node.js and NestJS to design and deliver high-performance systems that handle real-time financial data, low-latency execution pipelines, and mission-critical APIs.

This is a hands-on, builder role where you will create systems that integrate with frontend apps, AI engines, and external brokerage APIs. You will bring a DIY founder mindset, taking ownership of backend reliability, security, and scalability in an equity-only environment.

Key Responsibilities:
  • Design and implement microservices using Node.js and NestJS.
  • Build real-time APIs and services over REST, WebSockets, and gRPC to support live trading, portfolio updates, and event-driven alerts.
  • Define clear API contracts and generate Swagger/OpenAPI documentation.
  • Ensure seamless integration with mobile frontend, AI/ML services, and data pipelines.
  • Implement authentication and authorization (JWT, OAuth2).
  • Integrate secure practices for handling financial and personal data (KYC, 2FA, PCI/DSS awareness).
  • Design systems that can scale horizontally under heavy load.
  • Ensure fault tolerance, failover mechanisms, and efficient resource utilization.
Required Skills:
  • 10+ years of backend development experience, with strong proficiency in Node.js and NestJS.
  • Proven expertise in designing and implementing microservices and API-driven architectures.
  • Hands-on experience building low-latency, high-performance systems.
  • Solid knowledge of REST, WebSockets, gRPC, and event-driven architectures.
  • Experience with Swagger/OpenAPI, API lifecycle management, and contract-first development.
  • Strong understanding of cloud-native practices, containerization, and CI/CD pipelines.
  • Familiarity with financial/trading systems is a significant plus.
  • Deep knowledge of security practices (JWT, OAuth2, KYC workflows, PCI compliance awareness).
  • A DIY builder and founder mindset: resourceful, entrepreneurial, and willing to operate in ambiguity.
  • Willingness to work in an equity-only startup environment.

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