Freelance NodeJS + GraphQL Developer

6 days ago

Chennai, Tamil Nadu, India ThreatXIntel Full time ₹ 8,00,000 - ₹ 12,00,000 per year

Company Description

ThreatXIntel is a startup cyber security company dedicated to protecting businesses and organizations from cyber threats. Our team of experienced professionals offers a range of services, including cloud security, web and mobile security testing, and DevSecOps. We're committed to delivering customized, affordable solutions to meet the specific needs of our clients. Our proactive approach continuously monitors and tests clients' digital environments to identify vulnerabilities before they can be exploited. Our mission is to provide exceptional cyber security services that give our clients peace of mind, so they can focus on growing their business.

We are seeking a highly skilled
Freelance Backend Engineer
with strong experience in
GraphQL (70%)
,
Yoga Schema
,
GraphQL Mesh
, and
AWS
to join our distributed engineering team. You will work on building scalable, high-performance APIs and backend services while also collaborating with frontend engineers using
React
.

Key Responsibilities

  • Design, develop, and maintain
    GraphQL APIs
    using
    NodeJS
    ,
    TypeScript
    ,
    GraphQL Yoga
    , and
    GraphQL Mesh
    .
  • Implement and optimize
    AWS Lambda
    ,
    DynamoDB
    ,
    SQS
    , and
    EventBridge
    integrations for backend workflows.
  • Build and deploy applications leveraging AWS-native CI/CD pipelines.
  • Collaborate with frontend engineers to integrate GraphQL APIs into
    React
    and
    React Native
    applications.
  • Ensure scalability, performance, and security across distributed systems.
  • Participate in code reviews, technical discussions, and architecture design sessions.

Required Skills

  • NodeJS
    and
    TypeScript
    : 3+ years of professional experience.
  • GraphQL
    : Deep understanding of schema design, resolvers, and query optimization.
  • GraphQL Yoga
    &
    GraphQL Mesh
    : Hands-on experience building modular and federated schemas.
  • AWS Components
    : Expertise with Lambda, DynamoDB, SQS, and EventBridge.
  • CI/CD
    : Experience with AWS CodePipeline, GitHub Actions, or similar tools.
  • Frontend Exposure
    : Familiarity with React and React Native for GraphQL integrations.
  • Strong understanding of API performance, caching, and error handling patterns.

Nice to Have

  • Experience with serverless architecture and Infrastructure as Code (IaC).
  • Knowledge of authentication and authorization (Cognito, JWT, etc.).
  • Familiarity with modern frontend tooling and design systems.

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