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Lead Backend Engineer

Lead Backend Engineer

Weekday AIDelhi, DL, IN
8 days ago
Job type
  • Quick Apply
Job description

This role is for one of the Weekday's clients

Salary range : Rs 1200000 - Rs 2500000 (ie INR 12-25 LPA)

Min Experience : 2 years

Location : NCR

JobType : full-time

We are seeking a seasoned Lead Backend Engineer to drive the backend architecture and development for a high-performance crypto exchange platform. This role involves leading backend systems that power wallet services, trade execution, order matching, and real-time transactions. You will collaborate with cross-functional teams to build scalable, secure, and reliable services that meet both technical and business requirements.

Requirements

Key Responsibilities

  • Lead backend development efforts across key platform components such as wallets, matching engine, order management, and transaction processing
  • Architect high-availability, low-latency backend systems using microservices or service-oriented architecture
  • Ensure engineering best practices in code quality, system scalability, observability, performance optimization, and security
  • Collaborate with product managers, frontend developers, and QA teams to define, build, and deliver RESTful and WebSocket APIs
  • Own the entire service lifecycle, from design to deployment, monitoring, and incident resolution
  • Design data models for core exchange elements such as balances, order books, and transactions with an emphasis on performance and accuracy
  • Implement secure practices for authentication, authorization, and key management, especially in wallet infrastructure
  • Mentor junior developers, conduct technical reviews, and contribute to hiring efforts

Core Requirements

  • 6+ years of backend development experience, including 2+ years in a senior or technical leadership capacity
  • Expertise in one or more of : Node.js, Golang, Rust, or equivalent modern backend languages
  • Deep experience in building real-time transactional systems like trading engines, order books, or payment processors
  • Proficient with PostgreSQL, Redis, Kafka / RabbitMQ, and designing event-driven systems
  • Solid understanding of RESTful APIs and WebSocket communication
  • Experience with containerization (Docker) and orchestration (Kubernetes)
  • Familiarity with blockchain concepts including wallet architecture, smart contracts, and token handling
  • Hands-on experience with secure key management and integration with custody services (e.g., Fireblocks, BitGo)
  • Skilled in working with CI / CD pipelines and cloud platforms like AWS or GCP

    • Preferred Qualifications

  • Background in financial systems, high-frequency trading, or exchange platforms
  • Knowledge of cryptographic principles, cold / hot wallet design, and transaction signing
  • Awareness of regulatory and security frameworks (KYC, AML, access control, audit logging)
  • Experience with DevOps practices, Terraform, Helm, or infrastructure-as-code tooling
  • Exposure to third-party integrations such as blockchain explorers, identity management tools, or liquidity providers

    • Skills

    Node.js

  • Golang
  • Java
  • PostgreSQL
  • Redis
  • Kafka
  • WebSockets
  • Microservices
  • Kubernetes
  • Blockchain
  • Security
  • Wallet Infrastructure
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    Lead Backend Engineer • Delhi, DL, IN