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Senior Backend Engineer (Node.js / TypeScript / Fastify)

0 years

0 Lacs

india

Posted:8 hours ago| Platform: Linkedin logo

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Skills Required

node.js typescript ai workflow automation automate crm erp communication design power devops model inference data architecture drive code mentoring security reliability algorithms slack shopify hubspot twilio postgresql kafka authentication api jwt aws debugging github integration openai compensation cutting orchestration portfolio

Work Mode

On-site

Job Type

Full Time

Job Description

About Zoft.ai

AI workflow automation platform

next-generation backend for AI-driven automation

  • We’re looking for a

    Senior Backend Engineer

    who can think like a

    founder or CTO

    — someone who loves crafting scalable architectures, optimizing performance, and building systems that thousands of businesses can rely on.


Your Role

  • Architect & develop

    high-performance backend services using

    Node.js (TypeScript, Fastify, Express)

    .
  • Build

    multi-app integrations

    across third-party platforms (CRM, ERP, communication tools, e-commerce, etc.).
  • Design

    scalable APIs and event-driven microservices

    to power AI workflows and automation logic.
  • Work closely with

    AI, product, and DevOps teams

    to integrate model inference, vector search, and real-time data processing.
  • Lead

    system design discussions

    , evaluate trade-offs, and implement robust architecture patterns (CQRS, Pub/Sub, Clean Architecture).
  • Optimize backend performance with

    asynchronous patterns

    , caching, and queueing systems.
  • Drive

    technical ownership

    across services — from design to deployment.
  • Participate in

    code reviews, mentoring, and open-source collaboration

    .
  • Ensure

    security, reliability, and scalability

    of backend systems in production.


Requirements

  • Deep expertise in

    Node.js

    ,

    TypeScript

    , and frameworks like

    Fastify

    or

    Express

    .
  • Strong fundamentals in

    data structures, algorithms, and system design

    .
  • Proven experience in

    multi-app / third-party integrations

    (e.g., Slack, Shopify, HubSpot, Twilio, Stripe, etc.).
  • Strong knowledge of

    asynchronous programming

    ,

    event-driven design

    , and

    distributed systems

    .
  • Experience with

    PostgreSQL / MongoDB

    ,

    Redis

    , and message queues (

    BullMQ / Kafka / RabbitMQ

    ).
  • Solid understanding of

    authentication, authorization

    , and

    API security

    standards (OAuth2, JWT, etc.).
  • Hands-on experience with

    Docker

    ,

    CI/CD pipelines

    , and

    cloud environments

    (AWS/GCP).
  • Excellent debugging and

    performance optimization

    skills.

  • Open-source contribution

    or active GitHub presence is a major plus.

    • Bonus Skills

    • Experience with

      workflow automation engines

      (like n8n, Temporal, or Airflow).
    • Understanding of

      AI integration layers

      (OpenAI, LangChain, vector DBs, RAG systems).
    • Background in

      building APIs for multi-tenant SaaS

      platforms.
    • Familiarity with

      serverless systems

      ,

      WebSockets

      , and

      real-time streaming APIs

      .
    • Startup or

      founder/CTO experience

      (preferred).

    • Why Join Us

    • Build core infrastructure for

      AI and automation at scale

      .
    • Work with a

      founder-led team

      passionate about product, performance, and impact.
    • Competitive compensation with

      potential equity

      for early engineers.
    • Freedom to innovate, propose architecture decisions, and own what you build.
    • Access to

      cutting-edge AI tech

      , workflow orchestration systems, and global-scale integration challenges.


    How to Apply

    GitHub / LinkedIn / resume

    founder@zoftai.com

    — subject: Senior Backend Engineer - Node.js / TypeScript

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