Node Js Backend Developer

1 week ago

Kolkata, West Bengal, India Accosis Corporation Full time ₹ 15,00,000 - ₹ 25,00,000 per year

About the Role

We are looking for a highly skilled Software Developer to join our engineering team. The ideal candidate will have strong experience in building scalable microservices, real-time data processing systems, and high-throughput transaction platforms. You will collaborate with cross-functional teams to design, develop, and optimize mission-critical applications across fintech, AI/ML, and large-scale distributed systems.

Key Responsibilities

  • Design, build, and maintain microservices architectures using TypeScript, , and related frameworks.
  • Develop high-throughput data engines capable of handling millions of records with real-time processing.
  • Implement and optimize transaction systems including payouts, settlements, and chargebacks.
  • Build and integrate RESTful, GraphQL, and gRPC APIs for internal and external applications.
  • Deliver low-latency, event-driven systems leveraging Kafka, Redis, and BullMQ.
  • Contribute to UI development with React, , and Angular when needed.
  • Drive AI/ML integrations including Document AI, Gemini LLM, vector search, and speech synthesis.
  • Ensure systems are scalable, containerized, and deployed via Docker & Kubernetes.
  • Write optimized SQL queries and work with both SQL and NoSQL databases (MongoDB, Vector DBs).
  • Participate in architecture reviews, code reviews, and contribute to engineering best practices.

Qualifications

  • Bachelors/Master's degree in Computer Science, Engineering, or a related field (or equivalent hands-on experience).
  • Strong proficiency in TypeScript, , and modern backend frameworks.
  • Hands-on experience with distributed systems, microservices, and real-time data pipelines.
  • Solid knowledge of event-driven architectures (Kafka, Redis, BullMQ).
  • Familiarity with frontend frameworks (React, , Angular).
  • Exposure to AI/ML technologies (LLMs, Document AI, Vector DBs, Speech AI) preferred.
  • Good understanding of SQL/NoSQL databases and query optimization.
  • Experience with containerization and orchestration (Docker, Kubernetes).
  • Strong analytical, problem-solving, and collaboration skills.

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